/* ============================================================
   OPERIX DESIGN SYSTEM v2
   Dark Industrial Theme — Heavy, Glowing, Premium
   Colours: bg #080810 | card #0f0f1a | teal #00d4aa | amber #f59e0b
   Font: Rajdhani (display) + Inter (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@500;600;700&family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --bg-base:        #2C2C2C;
  --bg-card:        #0f0f1a;
  --bg-card-hover:  #141422;
  --bg-sidebar:     #09090f;
  --bg-input:       #161625;
  --bg-modal:       #0d0d1a;

  --border:         rgba(255,255,255,0.07);
  --border-hover:   rgba(0,212,170,0.4);
  --border-teal:    rgba(0,212,170,0.25);
  --border-amber:   rgba(245,158,11,0.25);

  --teal:           #00d4aa;
  --teal-dim:       rgba(0,212,170,0.14);
  --teal-glow:      rgba(0,212,170,0.30);
  --teal-glow-sm:   rgba(0,212,170,0.18);
  --teal-dark:      #00a884;
  --teal-bright:    #00ffcc;

  --amber:          #f59e0b;
  --amber-dim:      rgba(245,158,11,0.14);
  --amber-glow:     rgba(245,158,11,0.30);
  --amber-bright:   #fbbf24;

  --red:            #ef4444;
  --red-dim:        rgba(239,68,68,0.14);
  --red-glow:       rgba(239,68,68,0.20);
  --green:          #22c55e;
  --green-dim:      rgba(34,197,94,0.14);
  --blue:           #3b82f6;
  --blue-dim:       rgba(59,130,246,0.14);
  --purple:         #a855f7;
  --purple-dim:     rgba(168,85,247,0.14);

  --text-primary:   #eeeef8;
  --text-secondary: #9090a8;
  --text-muted:     #9090a8;
  --text-teal:      #00d4aa;
  --text-amber:     #f59e0b;

  --sidebar-width:  240px;
  --topbar-height:  60px;

  --radius-sm:      6px;
  --radius-md:      10px;
  --radius-lg:      14px;
  --radius-xl:      18px;

  /* Stronger shadows */
  --shadow-card:    0 2px 8px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.05);
  --shadow-hover:   0 8px 32px rgba(0,0,0,0.7), 0 0 0 1px rgba(0,212,170,0.25), 0 0 20px rgba(0,212,170,0.08);
  --shadow-teal:    0 0 30px rgba(0,212,170,0.35), 0 0 60px rgba(0,212,170,0.12);
  --shadow-teal-sm: 0 0 12px rgba(0,212,170,0.40);
  --shadow-amber:   0 0 30px rgba(245,158,11,0.35), 0 0 60px rgba(245,158,11,0.12);
  --shadow-amber-sm:0 0 12px rgba(245,158,11,0.40);

  --transition:     all 0.2s ease;
}

/* ── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-base);
  background-image:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(0,212,170,0.05) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 90% 110%, rgba(245,158,11,0.04) 0%, transparent 50%);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: #2a2a3a; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--teal-dark); }

/* ============================================================
   LAYOUT
   ============================================================ */

.app-wrapper { display: flex; min-height: 100vh; }

/* ── Sidebar ───────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-sidebar);
  border-right: 1px solid rgba(0,212,170,0.08);
  display: flex;
  flex-direction: column;
  z-index: 1002;
  transition: transform 0.3s ease;
  overflow-y: auto;
  overflow-x: hidden;
}

/* Sidebar has a subtle top glow edge */
.sidebar::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--teal), transparent);
  opacity: 0.6;
}

.sidebar-brand {
  padding: 12px 20px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.sidebar-brand-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #080810;
  flex-shrink: 0;
  box-shadow: var(--shadow-teal-sm);
}

.sidebar-brand-name {
  font-family: 'Rajdhani', sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 2px;
  text-transform: uppercase;
  line-height: 1;
}

.sidebar-brand-sub {
  font-size: 9px;
  color: var(--teal);
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.7;
  margin-top: 2px;
}

.sidebar-section { padding: 10px 12px 6px; }

.sidebar-section-label {
  font-size: 9px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 0 10px;
  margin-bottom: 8px;
}

.sidebar-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  white-space: nowrap;
  border-left: 2px solid transparent;
}

.sidebar-link i {
  font-size: 15px;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
  transition: var(--transition);
}

.sidebar-link:hover {
  background: var(--teal-dim);
  color: var(--teal);
  border-left-color: rgba(0,212,170,0.4);
}

.sidebar-link:hover i { color: var(--teal); filter: drop-shadow(0 0 4px var(--teal)); }

.sidebar-link.active {
  background: linear-gradient(90deg, rgba(0,212,170,0.12), rgba(0,212,170,0.04));
  color: var(--teal);
  border-left-color: var(--teal);
  box-shadow: inset 0 0 20px rgba(0,212,170,0.05);
}

.sidebar-link.active i {
  color: var(--teal);
  filter: drop-shadow(0 0 6px var(--teal));
}

.sidebar-footer {
  margin-top: auto;
  padding: 12px;
  border-top: 1px solid var(--border);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  border: 1px solid var(--border);
}

.sidebar-user-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), var(--purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-name {
  font-size: 12px; font-weight: 600; color: var(--text-primary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sidebar-user-role { font-size: 10px; color: var(--text-muted); }

.sidebar-logout {
  color: var(--text-muted); font-size: 14px; text-decoration: none;
  transition: var(--transition); padding: 4px; border-radius: 4px;
}
.sidebar-logout:hover { color: var(--red); }

/* ── Main Content ──────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1; min-height: 100vh;
  display: flex; flex-direction: column;
}

/* ── Top Bar ───────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-height);
  background: rgba(9,9,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky; top: 0; z-index: 1001;
}

.topbar-left { display: flex; align-items: center; gap: 16px; }

.sidebar-toggle {
    display: none;
    position: relative;
    z-index: 1002;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 22px;
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.sidebar-toggle:hover { color: var(--teal); background: var(--teal-dim); }

.topbar-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 22px; font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 1px;
}

.topbar-subtitle { font-size: 11px; color: var(--text-muted); }

.topbar-right { display: flex; align-items: center; gap: 12px; }
.topbar-time { font-size: 12px; color: var(--text-muted); font-variant-numeric: tabular-nums; }

.topbar-badge {
  display: flex; align-items: center; gap: 5px;
  padding: 4px 12px; border-radius: 20px;
  font-size: 11px; font-weight: 600;
}

.badge-online {
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(34,197,94,0.2);
  box-shadow: 0 0 10px rgba(34,197,94,0.15);
}

.badge-online::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--green);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* ── Page Content ──────────────────────────────────────────── */
.page-content { padding: 24px; flex: 1; }

/* ============================================================
   KPI STAT CARDS — Heavy with real corner clips
   ============================================================ */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 22px 20px 18px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  position: relative;
  overflow: visible; /* allow clip corners to show */
}

/* Accent top bar */
.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.kpi-card.teal::before   { background: linear-gradient(90deg, var(--teal), transparent); box-shadow: 0 0 12px rgba(0,212,170,0.5); }
.kpi-card.amber::before  { background: linear-gradient(90deg, var(--amber), transparent); box-shadow: 0 0 12px rgba(245,158,11,0.5); }
.kpi-card.red::before    { background: linear-gradient(90deg, var(--red), transparent); box-shadow: 0 0 12px rgba(239,68,68,0.5); }
.kpi-card.green::before  { background: linear-gradient(90deg, var(--green), transparent); box-shadow: 0 0 12px rgba(34,197,94,0.5); }
.kpi-card.blue::before   { background: linear-gradient(90deg, var(--blue), transparent); box-shadow: 0 0 12px rgba(59,130,246,0.5); }
.kpi-card.purple::before { background: linear-gradient(90deg, var(--purple), transparent); box-shadow: 0 0 12px rgba(168,85,247,0.5); }

/* SciFi corner clips — bright L-shaped brackets */
.kpi-corner-tl, .kpi-corner-tr, .kpi-corner-bl, .kpi-corner-br {
  position: absolute;
  width: 14px; height: 14px;
  border-style: solid;
  pointer-events: none;
}

.kpi-corner-tl { top: -1px; left: -1px; border-width: 3px 0 0 3px; border-radius: 4px 0 0 0; }
.kpi-corner-tr { top: -1px; right: -1px; border-width: 3px 3px 0 0; border-radius: 0 4px 0 0; }
.kpi-corner-bl { bottom: -1px; left: -1px; border-width: 0 0 3px 3px; border-radius: 0 0 0 4px; }
.kpi-corner-br { bottom: -1px; right: -1px; border-width: 0 3px 3px 0; border-radius: 0 0 4px 0; }

.kpi-card.teal .kpi-corner-tl,
.kpi-card.teal .kpi-corner-tr,
.kpi-card.teal .kpi-corner-bl,
.kpi-card.teal .kpi-corner-br {
  border-color: var(--teal);
  filter: drop-shadow(0 0 4px var(--teal));
}

.kpi-card.amber .kpi-corner-tl,
.kpi-card.amber .kpi-corner-tr,
.kpi-card.amber .kpi-corner-bl,
.kpi-card.amber .kpi-corner-br {
  border-color: var(--amber);
  filter: drop-shadow(0 0 4px var(--amber));
}

.kpi-card.red .kpi-corner-tl,
.kpi-card.red .kpi-corner-tr,
.kpi-card.red .kpi-corner-bl,
.kpi-card.red .kpi-corner-br {
  border-color: var(--red);
  filter: drop-shadow(0 0 4px var(--red));
}

.kpi-card.green .kpi-corner-tl,
.kpi-card.green .kpi-corner-tr,
.kpi-card.green .kpi-corner-bl,
.kpi-card.green .kpi-corner-br {
  border-color: var(--green);
  filter: drop-shadow(0 0 4px var(--green));
}

.kpi-card:hover {
  transform: translateY(-3px);
  background: var(--bg-card-hover);
  box-shadow: 0 12px 40px rgba(0,0,0,0.7), 0 0 0 1px rgba(0,212,170,0.2);
}

.kpi-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 17px;
  margin-bottom: 16px;
}

.kpi-icon.teal   { background: var(--teal-dim);   color: var(--teal);   box-shadow: var(--shadow-teal-sm); }
.kpi-icon.amber  { background: var(--amber-dim);  color: var(--amber);  box-shadow: var(--shadow-amber-sm); }
.kpi-icon.red    { background: var(--red-dim);    color: var(--red);    box-shadow: 0 0 12px rgba(239,68,68,0.4); }
.kpi-icon.green  { background: var(--green-dim);  color: var(--green);  box-shadow: 0 0 12px rgba(34,197,94,0.4); }
.kpi-icon.blue   { background: var(--blue-dim);   color: var(--blue); }
.kpi-icon.purple { background: var(--purple-dim); color: var(--purple); }

.kpi-value {
  font-family: 'Rajdhani', sans-serif;
  font-size: 38px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
  letter-spacing: 1px;
}

.kpi-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 600;
}

.kpi-sub {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

/* ============================================================
   CARDS (chart cards etc.)
   ============================================================ */

.mk-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  overflow: hidden;
}

.mk-card:hover {
  border-color: var(--border-teal);
  box-shadow: var(--shadow-hover);
}

.mk-card-header {
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.mk-card-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 18px; font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 1px;
  text-transform: uppercase;
  display: flex; align-items: center; gap: 8px;
}

.mk-card-title i { color: var(--teal); font-size: 14px; filter: drop-shadow(0 0 4px var(--teal)); }
.mk-card-body { padding: 20px; }

/* Chart card — ALL four corner brackets */
.mk-chart-card {
  position: relative;
  overflow: visible;
}

.mk-chart-card::before,
.mk-chart-card::after,
.mk-chart-card .corner-bl,
.mk-chart-card .corner-tr {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  border-color: var(--teal);
  border-style: solid;
  pointer-events: none;
}

.mk-chart-card::before {
  top: -1px; left: -1px;
  border-width: 3px 0 0 3px;
  border-radius: 4px 0 0 0;
  filter: drop-shadow(0 0 5px var(--teal));
}

.mk-chart-card::after {
  bottom: -1px; right: -1px;
  border-width: 0 3px 3px 0;
  border-radius: 0 0 4px 0;
  filter: drop-shadow(0 0 5px var(--teal));
}

/* ============================================================
   TANK GAUGE — Outstanding, heavy, glowing
   ============================================================ */

.tank-gauge-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 0 4px;
}

/* Glow halo behind gauge */
.tank-gauge-wrap::before {
  content: '';
  position: absolute;
  width: 200px; height: 100px;
  background: radial-gradient(ellipse, rgba(245,158,11,0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  margin-top: -10px;
}

.tank-gauge-svg {
  overflow: visible;
  filter: drop-shadow(0 0 16px rgba(245,158,11,0.3));
}

.tank-gauge-value {
  font-family: 'Rajdhani', sans-serif;
  font-size: 46px;
  font-weight: 700;
  fill: var(--text-primary);
  letter-spacing: 1px;
}

.tank-gauge-label {
  font-size: 10px;
  fill: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* tank-meta rules consolidated at bottom of file */

.tank-warning {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 14px;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: 20px;
  font-size: 11px; color: var(--red); font-weight: 600;
  margin-top: 14px;
  box-shadow: 0 0 12px rgba(239,68,68,0.2);
  animation: warning-pulse 2s infinite;
}

@keyframes warning-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 12px rgba(239,68,68,0.2); }
  50% { opacity: 0.7; box-shadow: 0 0 20px rgba(239,68,68,0.4); }
}

/* ============================================================
   CHARTS
   ============================================================ */

.chart-container {
  position: relative;
  width: 100%;
  height: 280px;
}

.chart-container-tall { height: 320px; }
.chart-container-sm   { height: 200px; }

.chart-pagination { display: flex; align-items: center; gap: 8px; }

.chart-page-btn {
  width: 28px; height: 28px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: var(--transition); font-size: 13px;
}

.chart-page-btn:hover:not(:disabled) {
  border-color: var(--teal);
  color: var(--teal);
  background: var(--teal-dim);
  box-shadow: var(--shadow-teal-sm);
}

.chart-page-btn:disabled { opacity: 0.3; cursor: not-allowed; }

.chart-page-info {
  font-size: 11px; color: var(--text-muted);
  min-width: 60px; text-align: center;
}

.range-toggle {
  display: flex; gap: 4px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 3px;
}

.range-btn {
  padding: 4px 12px;
  border-radius: 4px; border: none;
  background: transparent; color: var(--text-muted);
  font-size: 11px; font-weight: 600; cursor: pointer;
  transition: var(--transition); font-family: 'Inter', sans-serif;
}

.range-btn.active, .range-btn:hover {
  background: var(--teal-dim);
  color: var(--teal);
  box-shadow: inset 0 0 8px rgba(0,212,170,0.1);
}

/* ============================================================
   CHARTS GRID
   ============================================================ */

.charts-grid { display: grid; gap: 16px; margin-bottom: 24px; }
.charts-grid-2 { grid-template-columns: 1fr 1fr; }
.charts-grid-3 { grid-template-columns: 2fr 1fr; }

/* ============================================================
   DONUT CHART SUMMARY BOXES
   ============================================================ */

.donut-summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 16px;
}

.donut-summary-box {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  text-align: center;
}

.donut-summary-label {
  font-size: 10px; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px;
}

.donut-summary-val {
  font-family: 'Rajdhani', sans-serif;
  font-size: 18px; font-weight: 700; color: var(--text-primary);
}

.donut-summary-val.teal  { color: var(--teal); }
.donut-summary-val.amber { color: var(--amber); }

/* ============================================================
   FORMS
   ============================================================ */

.form-page { max-width: 680px; margin: 0 auto; }

.form-page-header { margin-bottom: 28px; }

.form-page-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 30px; font-weight: 700;
  color: var(--text-primary);
  display: flex; align-items: center; gap: 10px;
  letter-spacing: 1px;
}

.form-page-title i { color: var(--teal); filter: drop-shadow(0 0 6px var(--teal)); }
.form-page-sub { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

.mk-form-group { margin-bottom: 20px; }

.mk-label {
  display: block; font-size: 11px; font-weight: 700;
  color: var(--text-secondary); margin-bottom: 7px;
  text-transform: uppercase; letter-spacing: 1px;
}

.mk-label .required { color: var(--red); margin-left: 2px; }

.mk-input, .mk-textarea, .mk-select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  padding: 11px 14px;
  transition: var(--transition);
  outline: none;
  -webkit-appearance: none;
}

.mk-input::placeholder, .mk-textarea::placeholder { color: var(--text-muted); }

.mk-input:focus, .mk-textarea:focus, .mk-select:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px var(--teal-glow), 0 0 12px rgba(0,212,170,0.15);
  background: #1a1a28;
}

.mk-input.error, .mk-textarea.error {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(239,68,68,0.2);
}

.mk-textarea { resize: vertical; min-height: 90px; }

.mk-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238b8ba0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.mk-select option { background: var(--bg-card); }

.field-error {
  font-size: 11px; color: var(--red);
  margin-top: 5px; display: flex; align-items: center; gap: 4px;
}

.input-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.mode-toggle {
  display: flex; gap: 0;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden; margin-bottom: 20px;
}

.mode-toggle-btn {
  flex: 1; padding: 11px 16px;
  border: none; background: transparent;
  color: var(--text-muted);
  font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 600;
  cursor: pointer; transition: var(--transition);
  display: flex; align-items: center; justify-content: center; gap: 7px;
}

.mode-toggle-btn.active {
  background: var(--teal-dim);
  color: var(--teal);
  border-bottom: 2px solid var(--teal);
  box-shadow: inset 0 0 16px rgba(0,212,170,0.08);
}

.mode-toggle-btn:hover:not(.active) {
  color: var(--text-primary);
  background: rgba(255,255,255,0.03);
}

.form-section { display: none; animation: fadeIn 0.2s ease; }
.form-section.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   BUTTONS
   ============================================================ */

.mk-btn {
  display: inline-flex; align-items: center;
  justify-content: center; gap: 7px;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 13px; font-weight: 600;
  cursor: pointer; border: 1px solid transparent;
  transition: var(--transition);
  text-decoration: none; white-space: nowrap;
}

.mk-btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

.mk-btn-primary {
  background: var(--teal); color: #080810; border-color: var(--teal);
}
.mk-btn-primary:hover {
  background: var(--teal-bright);
  border-color: var(--teal-bright);
  box-shadow: var(--shadow-teal);
  transform: translateY(-1px);
}

.mk-btn-amber {
  background: var(--amber); color: #080810; border-color: var(--amber);
}
.mk-btn-amber:hover {
  background: var(--amber-bright);
  box-shadow: var(--shadow-amber);
  transform: translateY(-1px);
}

.mk-btn-outline {
  background: transparent; color: var(--text-secondary); border-color: var(--border);
}
.mk-btn-outline:hover {
  border-color: var(--teal); color: var(--teal);
  background: var(--teal-dim);
  box-shadow: var(--shadow-teal-sm);
}

.mk-btn-danger {
  background: var(--red-dim); color: var(--red); border-color: rgba(239,68,68,0.3);
}
.mk-btn-danger:hover { background: var(--red); color: white; }

.mk-btn-sm { padding: 6px 12px; font-size: 12px; }
.mk-btn-lg { padding: 14px 30px; font-size: 15px; }

.btn-loading { position: relative; pointer-events: none; }
.btn-loading::after {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-left: 8px;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   MODALS
   ============================================================ */

.mk-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s ease;
}

.mk-modal-overlay.active { opacity: 1; pointer-events: all; }

.mk-modal {
  background: var(--bg-modal);
  border: 1px solid rgba(0,212,170,0.15);
  border-radius: var(--radius-xl);
  padding: 28px;
  max-width: 440px; width: 90%;
  box-shadow: 0 24px 80px rgba(0,0,0,0.7), 0 0 40px rgba(0,212,170,0.08);
  transform: scale(0.95);
  transition: transform 0.2s ease;
}

.mk-modal-overlay.active .mk-modal { transform: scale(1); }

.mk-modal-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 22px; font-weight: 700;
  color: var(--text-primary); margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
  letter-spacing: 0.5px;
}

.mk-modal-title i { color: var(--teal); filter: drop-shadow(0 0 5px var(--teal)); }
.mk-modal-title.danger i { color: var(--red); filter: drop-shadow(0 0 5px var(--red)); }

.confirm-grid {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px; margin-bottom: 20px;
  display: grid; gap: 8px;
}

.confirm-row {
  display: flex; justify-content: space-between;
  align-items: center; font-size: 13px;
}

.confirm-label { color: var(--text-muted); }
.confirm-value { color: var(--text-primary); font-weight: 600; }
.confirm-value.highlight { color: var(--teal); font-size: 22px; font-family: 'Rajdhani', sans-serif; }
.confirm-value.amber { color: var(--amber); }
.confirm-value.warning { color: var(--red); }

.confirm-warning-box {
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.25);
  border-radius: var(--radius-sm);
  padding: 10px 14px; font-size: 12px; color: var(--amber);
  margin-bottom: 16px; display: flex; gap: 8px; align-items: flex-start;
}

.mk-modal-actions { display: flex; gap: 10px; justify-content: flex-end; }

/* ============================================================
   FLASH MESSAGES
   ============================================================ */

.flash-container {
  position: fixed; top: 72px; right: 20px;
  z-index: 1500;
  display: flex; flex-direction: column; gap: 8px;
  max-width: 340px;
}

.flash-msg {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13px; font-weight: 500;
  display: flex; align-items: center; gap: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  animation: slideIn 0.3s ease;
  cursor: pointer; border: 1px solid transparent;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

.flash-msg.success { background: #0a2018; border-color: rgba(34,197,94,0.3); color: var(--green); box-shadow: 0 0 16px rgba(34,197,94,0.15); }
.flash-msg.danger  { background: #200a0a; border-color: rgba(239,68,68,0.3); color: var(--red); box-shadow: 0 0 16px rgba(239,68,68,0.15); }
.flash-msg.warning { background: #201508; border-color: rgba(245,158,11,0.3); color: var(--amber); box-shadow: 0 0 16px rgba(245,158,11,0.15); }
.flash-msg.info    { background: #080f20; border-color: rgba(59,130,246,0.3); color: var(--blue); }

/* ============================================================
   TABLES
   ============================================================ */

.mk-table-wrap { overflow-x: auto; border-radius: var(--radius-md); }

.mk-table { width: 100%; border-collapse: collapse; font-size: 13px; }

.mk-table th {
  background: rgba(0,212,170,0.05);
  color: var(--text-muted);
  font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.2px;
  padding: 11px 14px; text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--border-teal);
}

.mk-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary); vertical-align: middle;
}

.mk-table tr:hover td { background: rgba(0,212,170,0.03); }
.mk-table tr:last-child td { border-bottom: none; }

.mk-table .td-primary { color: var(--text-primary); font-weight: 500; }
.mk-table .td-teal    { color: var(--teal); font-weight: 600; }
.mk-table .td-amber   { color: var(--amber); font-weight: 600; }
.mk-table .td-actions { white-space: nowrap; text-align: right; }

/* Tabs */
.mk-tabs {
  display: flex; gap: 4px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 4px;
  margin-bottom: 20px; overflow-x: auto;
}

.mk-tab {
  padding: 8px 16px;
  border-radius: var(--radius-sm); border: none;
  background: transparent; color: var(--text-muted);
  font-family: 'Inter', sans-serif; font-size: 12.5px; font-weight: 600;
  cursor: pointer; transition: var(--transition);
  text-decoration: none; white-space: nowrap;
}

.mk-tab.active, .mk-tab:hover {
  background: var(--teal-dim);
  color: var(--teal);
}

/* Pagination */
.mk-pagination {
  display: flex; align-items: center;
  justify-content: center; gap: 6px; padding: 16px;
}

.mk-page-btn {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-input); color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: var(--transition);
  font-size: 12px; text-decoration: none;
}

.mk-page-btn:hover, .mk-page-btn.active {
  border-color: var(--teal); color: var(--teal);
  background: var(--teal-dim); box-shadow: var(--shadow-teal-sm);
}

/* ============================================================
   BADGES
   ============================================================ */

.mk-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 8px; border-radius: 20px;
  font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.5px;
}

.mk-badge-teal   { background: var(--teal-dim);   color: var(--teal);   border: 1px solid rgba(0,212,170,0.2); }
.mk-badge-amber  { background: var(--amber-dim);  color: var(--amber);  border: 1px solid rgba(245,158,11,0.2); }
.mk-badge-red    { background: var(--red-dim);    color: var(--red);    border: 1px solid rgba(239,68,68,0.2); }
.mk-badge-green  { background: var(--green-dim);  color: var(--green);  border: 1px solid rgba(34,197,94,0.2); }
.mk-badge-purple { background: var(--purple-dim); color: var(--purple); }

/* ============================================================
   ACTIVITY FEED
   ============================================================ */

.activity-list { display: flex; flex-direction: column; gap: 0; }

.activity-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 0; border-bottom: 1px solid var(--border);
}

.activity-item:last-child { border-bottom: none; }

.activity-dot {
  width: 8px; height: 8px; border-radius: 50%;
  margin-top: 5px; flex-shrink: 0;
}

.activity-dot.teal  { background: var(--teal); box-shadow: 0 0 8px var(--teal); }
.activity-dot.amber { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.activity-dot.blue  { background: var(--blue); }

.activity-text { flex: 1; }
.activity-main { font-size: 13px; color: var(--text-primary); line-height: 1.4; }
.activity-meta { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ============================================================
   ALERT BOXES
   ============================================================ */

.alert-box {
  border-radius: var(--radius-md);
  padding: 12px 16px; font-size: 13px;
  display: flex; align-items: flex-start; gap: 10px;
  margin-bottom: 10px; border: 1px solid transparent;
}

.alert-box i { margin-top: 1px; flex-shrink: 0; }

.alert-box.warning { background: rgba(245,158,11,0.08); border-color: rgba(245,158,11,0.25); color: var(--amber); }
.alert-box.danger  { background: rgba(239,68,68,0.08);  border-color: rgba(239,68,68,0.25);  color: var(--red); }
.alert-box.success { background: rgba(34,197,94,0.08);  border-color: rgba(34,197,94,0.25);  color: var(--green); }
.alert-box.info    { background: rgba(59,130,246,0.08); border-color: rgba(59,130,246,0.25); color: var(--blue); }

/* ============================================================
   AUTH PAGES
   ============================================================ */

.auth-page {
  min-height: 100vh; background: var(--bg-base);
  display: flex; align-items: center; justify-content: center; padding: 20px;
  background-image: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(0,212,170,0.04) 0%, transparent 70%);
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid rgba(0,212,170,0.12);
  border-radius: var(--radius-xl);
  padding: 36px; width: 100%; max-width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6), 0 0 40px rgba(0,212,170,0.06);
}

.auth-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }

.auth-logo-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; color: #080810;
  box-shadow: var(--shadow-teal-sm);
}

.auth-logo-name {
  font-family: 'Rajdhani', sans-serif;
  font-size: 26px; font-weight: 700;
  color: var(--text-primary); letter-spacing: 2px;
  text-transform: uppercase;
}

.auth-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 28px; font-weight: 700;
  color: var(--text-primary); margin-bottom: 6px; letter-spacing: 0.5px;
}

.auth-sub { font-size: 13px; color: var(--text-muted); margin-bottom: 28px; }

/* ============================================================
   UTILITY CLASSES
   ============================================================ */

.text-teal      { color: var(--teal) !important; }
.text-amber     { color: var(--amber) !important; }
.text-red       { color: var(--red) !important; }
.text-white     { color: var(--white) !important; }
.text-green     { color: var(--green) !important; }
.text-muted     { color: var(--text-muted) !important; }
.text-secondary { color: var(--text-secondary) !important; }

.mt-0 { margin-top: 0; } .mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; } .mt-4 { margin-top: 32px; }
.mb-0 { margin-bottom: 0; } .mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; } .mb-4 { margin-bottom: 32px; }

.d-flex { display: flex; } .d-grid { display: grid; }
.align-center { align-items: center; } .justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; } .gap-2 { gap: 16px; } .gap-3 { gap: 24px; }
.w-100 { width: 100%; } .text-right { text-align: right; } .text-center { text-align: center; }

.divider { height: 1px; background: var(--border); margin: 20px 0; }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .charts-grid-2 { grid-template-columns: 1fr; }
  .charts-grid-3 { grid-template-columns: 1fr; }
}


@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .kpi-value { font-size: 22px; }
  .kpi-card { padding: 14px; }
  .auth-card { padding: 24px; }
  .mk-modal { padding: 20px; }
  .flash-container { right: 10px; left: 10px; max-width: none; }
}

/* ============================================================
   TANK GAUGE CARD — Proper sizing & responsive SVG
   ============================================================ */

/* The gauge card body should be compact, not an empty island */
.tank-gauge-card-body {
  padding: 16px 20px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* SVG fills the card width, scales proportionally */
.tank-gauge-svg {
  width: 100%;
  max-width: 420px;
  height: auto;
  overflow: visible;
  filter: drop-shadow(0 0 20px rgba(245,158,11,0.25));
}

/* Glow halo behind gauge arc */
.tank-gauge-wrap {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;   /* centres everything including the meta row */
  gap: 0;
  position: relative;
}

.tank-gauge-wrap::before {
  content: '';
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 50%;
  background: radial-gradient(ellipse, rgba(245,158,11,0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.tank-gauge-svg { position: relative; z-index: 1; }

/* Meta row below gauge */
.tank-meta {
  display: inline-flex;
  gap: 0;
  margin-top: 4px;
  /* do NOT use width:100% — keeps the group tight at any zoom */
  justify-content: center;
  border-top: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  padding-top: 0;
  align-self: center;
}

.tank-meta-item {
  flex: 0 0 auto;        /* fixed size, never stretch */
  width: 100px;
  text-align: center;
  padding: 12px 8px 8px;
  border-right: 1px solid var(--border);
}

.tank-meta-item:last-child { border-right: none; }

.tank-meta-val {
  font-family: 'Rajdhani', sans-serif;
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
}

.tank-meta-lbl {
  font-size: 9px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 2px;
}

/* Warning badge */
.tank-warning {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.5px;
  box-shadow: 0 0 16px rgba(239,68,68,0.2);
  animation: warning-pulse 2s infinite;
}

/* ============================================================
   OPERIX LOGO IMAGE — sidebar & auth
   ============================================================ */

.sidebar-brand-logo {
  width: 180px;
  height: 100px;
  object-fit: contain;
  flex-shrink: 0;
  /* No background box needed — logo has its own mark */
  filter: drop-shadow(0 0 8px rgba(0,212,170,0.5));
}

.auth-logo-img {
  width: 150px;
  height: 100px;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(0,212,170,0.5));
}

/* ============================================================
   MOBILE CHART OVERFLOW FIX
   Paste these rules into your mekano.css, either replacing
   your existing responsive section or adding at the very bottom.
   ============================================================ */

/* ── Prevent any chart or card bleeding outside viewport ────── */
.mk-card,
.mk-chart-card,
.chart-container,
.chart-container-tall,
.chart-container-sm {
  max-width: 100%;
  box-sizing: border-box;
}

/* Chart canvas must never overflow its container */
canvas {
  max-width: 100% !important;
  box-sizing: border-box;
}

/* ── 1024px — two-column grids collapse to one ──────────────── */
@media (max-width: 1024px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .charts-grid-2 { grid-template-columns: 1fr; }
  .charts-grid-3 { grid-template-columns: 1fr; }
}

/* ── 768px — full mobile layout ─────────────────────────────── */
@media (max-width: 768px) {
  /* Sidebar collapses off-screen */
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); box-shadow: 4px 0 20px rgba(0,0,0,0.5); }
  .sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 999; }
  .sidebar-overlay.active { display: block; }
  .sidebar-toggle { display: flex; }
  .main-content { margin-left: 0; }

  /* Page padding tighter */
  .page-content { padding: 12px; }

  /* KPI grid — 2 columns */
  .kpi-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .kpi-value { font-size: 26px; }
  .kpi-card { padding: 16px 14px; }

  /* ALL chart grids force single column on mobile */
  .charts-grid,
  .charts-grid-2,
  .charts-grid-3 {
    grid-template-columns: 1fr !important;
    gap: 12px;
  }

  /* Chart heights — shorter on mobile */
  .chart-container        { height: 220px; }
  .chart-container-tall   { height: 260px; }
  .chart-container-sm     { height: 180px; }

  /* Cards — remove horizontal overflow entirely */
  .mk-card,
  .mk-chart-card {
    overflow: hidden;
    width: 100%;
    max-width: 100%;
  }

  /* Card body padding tighter */
  .mk-card-body { padding: 14px; }
  .mk-card-header { padding: 12px 14px; }

  /* Card title smaller on mobile */
  .mk-card-title { font-size: 14px; }

  /* Forms — single column inputs */
  .input-row { grid-template-columns: 1fr; gap: 12px; }

  /* Topbar */
  .topbar { padding: 0 14px; }
  .topbar-title { font-size: 16px; }

  /* Tabs */
  .mk-tabs { gap: 2px; }
  .mk-tab { padding: 7px 10px; font-size: 11.5px; }

  /* Tank gauge meta row — smaller on mobile */
  .tank-meta-item { width: 80px; }
  .tank-meta-val { font-size: 20px; }

  /* Donut summary grid stays 2 columns but smaller */
  .donut-summary-grid { gap: 6px; }
  .donut-summary-val { font-size: 14px; }

  /* Quick action buttons wrap cleanly */
  .mk-btn { padding: 9px 14px; font-size: 12px; }

  /* Modal full-width on small screens */
  .mk-modal { padding: 20px; width: 95%; }
}

/* ── 480px — very small phones ───────────────────────────────── */
@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .kpi-value { font-size: 22px; }
  .kpi-card { padding: 14px 12px; }

  .page-content { padding: 10px; }

  .chart-container      { height: 200px; }
  .chart-container-tall { height: 240px; }
  .chart-container-sm   { height: 160px; }

  .auth-card { padding: 24px; }
  .flash-container { right: 8px; left: 8px; max-width: none; }

  /* Hide clock on very small screens to save topbar space */
  .topbar-time { display: none; }
}

@media (max-width: 768px) {
  .mk-card-header {
    flex-wrap: wrap;
    gap: 8px;
  }

  .mk-card-header > div {
    flex-wrap: wrap;
    gap: 6px;
  }
}

/* ============================================================
   THEME TOGGLE BUTTON
   ============================================================ */
.theme-toggle {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 14px;
  transition: var(--transition);
  flex-shrink: 0;
}
.theme-toggle:hover {
  border-color: var(--teal);
  color: var(--teal);
  background: var(--teal-dim);
}

/* ============================================================
   FOOTER
   ============================================================ */
.app-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
  width: 100%;
}
.app-footer-left { display: flex; align-items: center; gap: 16px; }
.app-footer-brand {
  font-family: 'Rajdhani', sans-serif;
  font-size: 14px; font-weight: 700;
  color: var(--teal);
  letter-spacing: 1.5px; text-transform: uppercase;
}
.app-footer-copy { font-size: 11px; color: var(--text-muted); }
.app-footer-links { display: flex; align-items: center; gap: 20px; }
.app-footer-link { color: var(--text-muted); text-decoration: none; font-size: 11px; transition: var(--transition); }
.app-footer-link:hover { color: var(--teal); }
.app-footer-sep { width: 1px; height: 12px; background: var(--border); }

@media (max-width: 768px) {
  .app-footer { flex-direction: column; align-items: flex-start; padding: 14px 16px; }
}

/* ============================================================
   TOPBAR FIX
   ============================================================ */
.topbar-left {
  display: flex; align-items: center; gap: 16px;
  min-width: 0; flex: 1; overflow: hidden;
}
.topbar-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 22px; font-weight: 700;
  color: var(--text-primary); letter-spacing: 1px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.topbar-subtitle {
  font-size: 11px; color: var(--text-muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.topbar-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

@media (max-width: 900px) { .topbar-subtitle { display: none; } }
@media (max-width: 600px) { .topbar-title { font-size: 16px; } .topbar-time { display: none; } }

/* ============================================================
   LIGHT THEME
   ============================================================ */
[data-theme="light"] {
  --bg-base:        #EEF2EF;
  --bg-card:        #FFFFFF;
  --bg-card-hover:  #F5F8F5;
  --bg-sidebar:     #1B3A2D;
  --bg-input:       #E8EDEA;
  --bg-modal:       #FFFFFF;

  --border:         #C8D5CC;
  --border-hover:   #2D6A4F;
  --border-teal:    #2D6A4F;
  --border-amber:   #92620A;

  --teal:           #2D6A4F;
  --teal-dim:       #D4E8DE;
  --teal-glow:      #2D6A4F;
  --teal-glow-sm:   #2D6A4F;
  --teal-dark:      #1B3A2D;
  --teal-bright:    #40916C;
  --amber:          #92620A;
  --amber-dim:      #F5E6C8;
  --amber-glow:     #92620A;
  --amber-bright:   #B07D1A;
  --white:          #FFFFFF;
  --red:            #991B1B;
  --red-dim:        #FEE2E2;
  --red-glow:       #991B1B;
  --green:          #1B4332;
  --green-dim:      #D8F3DC;
  --blue:           #1E3A5F;
  --blue-dim:       #DBEAFE;
  --purple:         #4C1D95;
  --purple-dim:     #EDE9FE;

  --text-primary:   #0D1F17;
  --text-secondary: #2D4A3A;
  --text-muted:     #5A7A68;
  --text-teal:      #2D6A4F;
  --text-amber:     #92620A;

  --shadow-card:    0 1px 4px rgba(0,0,0,0.07), 0 2px 8px rgba(0,0,0,0.05);
  --shadow-hover:   0 4px 16px rgba(0,0,0,0.12), 0 0 0 2px #2D6A4F;
  --shadow-teal:    none;
  --shadow-teal-sm: none;
  --shadow-amber:   none;
  --shadow-amber-sm:none;
}

[data-theme="light"] body {
  background-color: #EEF2EF;
  background-image: none;
}

[data-theme="light"] ::-webkit-scrollbar-track { background: #EEF2EF; }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: #8FAF9A; border-radius: 10px; }
[data-theme="light"] ::-webkit-scrollbar-thumb:hover { background: #2D6A4F; }

/* ── Sidebar — dark top gradient into forest green ─────────── */
[data-theme="light"] .sidebar {
  background: linear-gradient(
    180deg,
    #0F2018 10%,
    #13271e 24%,
    #1B3A2D 40%,
    #1B3A2D 100%
  );
  border-right: 1px solid rgba(255,255,255,0.05);
}

/* Remove the top glow line — gradient replaces it */
[data-theme="light"] .sidebar::before { display: none; }

/* Logo brand area — no filter/glow, sharp and clear */
[data-theme="light"] .sidebar-brand {
  border-bottom: none;  /* remove the white divider line */
  padding-bottom: 8px;
}
[data-theme="light"] .sidebar-brand-logo {
  filter: none;  /* remove the teal drop-shadow glow */
}

/* Section labels */
[data-theme="light"] .sidebar-section-label { color: rgba(255,255,255,0.38); }

/* Nav links */
[data-theme="light"] .sidebar-link { color: rgba(255,255,255,0.72); border-left-color: transparent; }
[data-theme="light"] .sidebar-link:hover {
  background: rgba(200,150,42,0.15);
  color: #C8962A;
  border-left-color: rgba(200,150,42,0.6);
}
[data-theme="light"] .sidebar-link.active {
  background: rgba(200,150,42,0.18);
  color: #C8962A;
  border-left-color: #C8962A;
}
[data-theme="light"] .sidebar-link i { color: rgba(255,255,255,0.55); }
[data-theme="light"] .sidebar-link.active i,
[data-theme="light"] .sidebar-link:hover i { color: #C8962A; filter: none; }

/* Footer user block */
[data-theme="light"] .sidebar-footer { border-top-color: rgba(255,255,255,0.08); }
[data-theme="light"] .sidebar-user { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.08); }
[data-theme="light"] .sidebar-user-name { color: #FFFFFF; }
[data-theme="light"] .sidebar-user-role { color: rgba(255,255,255,0.45); }
[data-theme="light"] .sidebar-logout { color: rgba(255,255,255,0.4); }
[data-theme="light"] .sidebar-logout:hover { color: #C8962A; }

/* ── Topbar — filled forest green ─────────────────────────── */
[data-theme="light"] .topbar {
  background: #1B3A2D;
  border-bottom: none;
  backdrop-filter: none;
}

/* ── Topbar — dark side gradient into forest green ─────────── */
[data-theme="light"] .topbar {
  background: linear-gradient(
    90deg,
    #0F2018 10%,
    #13271e 24%,
    #1B3A2D 40%,
    #1B3A2D 100%
  );
}


/* Topbar title and subtitle — white text */
[data-theme="light"] .topbar-title { color: #FFFFFF; }
[data-theme="light"] .topbar-subtitle { color: rgba(255,255,255,0.55); }

/* Topbar right — generator switcher button */
[data-theme="light"] #genSwitcherBtn {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  color: #FFFFFF;
}
[data-theme="light"] #genSwitcherBtn:hover {
  background: rgba(200,150,42,0.2);
  border-color: #C8962A;
  color: #C8962A;
}
[data-theme="light"] #genSwitcherBtn i { color: #C8962A !important; }

/* Topbar clock */
[data-theme="light"] .topbar-time { color: rgba(255,255,255,0.6); }

/* Online badge */
[data-theme="light"] .badge-online {
  background: rgba(200,150,42,0.2);
  color: #C8962A;
  border-color: rgba(200,150,42,0.4);
  box-shadow: none;
}
[data-theme="light"] .badge-online::before { background: #C8962A; box-shadow: none; }

/* Theme toggle in green topbar */
[data-theme="light"] .theme-toggle {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.8);
}
[data-theme="light"] .theme-toggle:hover {
  background: rgba(200,150,42,0.2);
  border-color: #C8962A;
  color: #C8962A;
}


/* Sidebar toggle button (mobile) in green topbar */
[data-theme="light"] .sidebar-toggle { color: rgba(255,255,255,0.8); }
[data-theme="light"] .sidebar-toggle:hover { color: #C8962A; background: rgba(200,150,42,0.15); }

/* Gen switcher dropdown */
[data-theme="light"] #genSwitcherDropdown {
  background: #FFFFFF;
  border-color: #2D6A4F;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

/* ── Cards ────────────────────────────────────────────────── */
[data-theme="light"] .mk-card {
  background: #FFFFFF;
  border: 1px solid #C8D5CC;
  box-shadow: var(--shadow-card);
}
[data-theme="light"] .mk-card:hover {
  border-color: #2D6A4F;
  box-shadow: 0 4px 16px rgba(0,0,0,0.09), 0 0 0 1px #2D6A4F;
}
[data-theme="light"] .mk-card-title { color: #0D1F17; }
[data-theme="light"] .mk-card-title i { color: #2D6A4F; filter: none; }

/* Corner brackets */
[data-theme="light"] .mk-chart-card::before,
[data-theme="light"] .mk-chart-card::after,
[data-theme="light"] .mk-chart-card .corner-bl,
[data-theme="light"] .mk-chart-card .corner-tr { border-color: #2D6A4F; filter: none; }
[data-theme="light"] .kpi-corner-tl,
[data-theme="light"] .kpi-corner-tr,
[data-theme="light"] .kpi-corner-bl,
[data-theme="light"] .kpi-corner-br { filter: none; }

/* ── KPI Cards — all filled, no white ─────────────────────── */
[data-theme="light"] .kpi-card::before { box-shadow: none; }

/* TEAL (card 1) — forest green, white text */
[data-theme="light"] .kpi-card.teal {
  background: #2D6A4F; border-color: #2D6A4F;
  box-shadow: 0 2px 8px rgba(45,106,79,0.2);
}

/* ── TEAL (card 1) — dark bottom gradient into forest green ─────────── */
[data-theme="light"] .kpi-card.teal {
  background: linear-gradient(
    0deg,
    #0F2018 0%,
    #13271e 4%,
    #1B3A2D 10%,
    #2D6A4F 100%
  );
}

[data-theme="light"] .kpi-card.teal::before { background: rgba(255,255,255,0.12); }
[data-theme="light"] .kpi-card.teal .kpi-value,
[data-theme="light"] .kpi-card.teal .kpi-label { color: #FFFFFF; }
[data-theme="light"] .kpi-card.teal .kpi-sub { color: rgba(255,255,255,0.80); border-top-color: rgba(255,255,255,0.2); }
[data-theme="light"] .kpi-card.teal .text-teal { color: #C8962A !important; }
[data-theme="light"] .kpi-card.teal .kpi-icon.teal { background: rgba(255,255,255,0.18); color: #FFFFFF; box-shadow: none; }
[data-theme="light"] .kpi-card.teal .kpi-corner-tl,
[data-theme="light"] .kpi-card.teal .kpi-corner-tr,
[data-theme="light"] .kpi-card.teal .kpi-corner-bl,
[data-theme="light"] .kpi-card.teal .kpi-corner-br { border-color: rgba(255,255,255,0.35); }

/* AMBER (card 2) — rich gold, dark text, subtext clearly dark */
[data-theme="light"] .kpi-card.amber {
  background: #C8962A; border-color: #C8962A;
  box-shadow: 0 2px 8px rgba(200,150,42,0.25);
}
/* AMBER (card 2) — dark bottom gradient into amber ─────────── */
[data-theme="light"] .kpi-card.amber {
  background: linear-gradient(
    0deg,
    #443310 0%,
    #624b17 4%,
    #80601d 10%,
    #C8962A 100%
  );
}

[data-theme="light"] .kpi-card.amber::before { background: rgba(255,255,255,0.12); box-shadow: none; }
[data-theme="light"] .kpi-card.amber .kpi-value,
[data-theme="light"] .kpi-card.amber .kpi-label { color: #FFFFFF; }
/* Subtext on amber — force near-black for readability */
[data-theme="light"] .kpi-card.amber .kpi-sub { color: #FFFFFF !important; border-top-color: rgba(0,0,0,0.15); }
[data-theme="light"] .kpi-card.amber .kpi-sub span,
[data-theme="light"] .kpi-card.amber .kpi-sub .text-muted { color: #FFFFFF !important; }
[data-theme="light"] .kpi-card.amber .kpi-icon.amber { background: rgba(255,255,255,0.25); color: #1B2A0D; box-shadow: none; }
[data-theme="light"] .kpi-card.amber .kpi-corner-tl,
[data-theme="light"] .kpi-card.amber .kpi-corner-tr,
[data-theme="light"] .kpi-card.amber .kpi-corner-bl,
[data-theme="light"] .kpi-card.amber .kpi-corner-br { border-color: rgba(0,0,0,0.25); }

/* GREEN (card 3, tank OK) — deep forest, white text */
[data-theme="light"] .kpi-card.green {
  background: #1B4332; border-color: #1B4332;
  box-shadow: 0 2px 8px rgba(27,67,50,0.2);
}
/* ── GREEN card 3 — dark top gradient into forest green ─────────── */
[data-theme="light"] .kpi-card.green {
  background: linear-gradient(
    0deg,
    #0F2018 0%,
    #13271e 4%,
    #1B3A2D 10%,
    #2D6A4F 100%
  );
}


[data-theme="light"] .kpi-card.green::before { background: rgba(200,150,42,0.35); box-shadow: none; }
[data-theme="light"] .kpi-card.green .kpi-value,
[data-theme="light"] .kpi-card.green .kpi-label { color: #FFFFFF; }
[data-theme="light"] .kpi-card.green .kpi-sub { color: rgba(255,255,255,0.80); border-top-color: rgba(255,255,255,0.15); }
[data-theme="light"] .kpi-card.green .text-green,
[data-theme="light"] .kpi-card.green .text-white { color: #ffffff !important; }
[data-theme="light"] .kpi-card.green .kpi-icon.green { background: rgba(200,150,42,0.25); color: #C8962A; box-shadow: none; }
[data-theme="light"] .kpi-card.green .kpi-corner-tl,
[data-theme="light"] .kpi-card.green .kpi-corner-tr,
[data-theme="light"] .kpi-card.green .kpi-corner-bl,
[data-theme="light"] .kpi-card.green .kpi-corner-br { border-color: #C8962A; }

/* RED (card 3 when tank low) — deep red, white text */
[data-theme="light"] .kpi-card.red {
  background: #832a2a; border-color: #832a2a;
  box-shadow: 0 2px 8px rgba(127,29,29,0.2);
}
/* ── Red card 3 — dark top gradient into forest green ─────────── */
[data-theme="light"] .kpi-card.red {
  background: linear-gradient(
    0deg,
    #551b1b 0%,
    #551b1b 5%,
    #551b1b 10%,
    #832a2a 100%
  );
}

[data-theme="light"] .kpi-card.red::before { background: rgba(255,255,255,0.10); box-shadow: none; }
[data-theme="light"] .kpi-card.red .kpi-value,
[data-theme="light"] .kpi-card.red .kpi-label { color: #FFFFFF; }
[data-theme="light"] .kpi-card.red .kpi-sub { color: #FFFFFF; border-top-color: rgba(255,255,255,0.15); }
[data-theme="light"] .kpi-card.red .kpi-icon.red { background: rgba(255,255,255,0.15); color: #FFFFFF; box-shadow: none; }
[data-theme="light"] .kpi-card.red .kpi-corner-tl,
[data-theme="light"] .kpi-card.red .kpi-corner-tr,
[data-theme="light"] .kpi-card.red .kpi-corner-bl,
[data-theme="light"] .kpi-card.red .kpi-corner-br { border-color: rgba(255,255,255,0.3); }

/* LAST KPI CARD (4th, always amber in dashboard) — forest green like card 1 */
/* The 4th kpi-card.amber on dashboard — override to green */
[data-theme="light"] .kpi-grid .kpi-card.amber:last-child {
  background: #2D6A4F; border-color: #2D6A4F;
  box-shadow: 0 2px 8px rgba(45,106,79,0.2);
}

/* ── last child — dark bottom gradient into forest green ─────────── */
[data-theme="light"] .kpi-grid .kpi-card.amber:last-child {
  background: linear-gradient(
    0deg,
    #0F2018 0%,
    #13271e 4%,
    #1B3A2D 10%,
    #2D6A4F 100%
  );
}
[data-theme="light"] .kpi-grid .kpi-card.amber:last-child .kpi-value,
[data-theme="light"] .kpi-grid .kpi-card.amber:last-child .kpi-label { color: #FFFFFF; }
[data-theme="light"] .kpi-grid .kpi-card.amber:last-child .kpi-sub { color: rgba(255,255,255,0.80) !important; border-top-color: rgba(255,255,255,0.2); }
[data-theme="light"] .kpi-grid .kpi-card.amber:last-child .kpi-sub span,
[data-theme="light"] .kpi-grid .kpi-card.amber:last-child .text-amber { color: #ffffff !important; }
[data-theme="light"] .kpi-grid .kpi-card.amber:last-child .kpi-icon.amber { background: rgba(200,150,42,0.25); color: #C8962A; box-shadow: none; }
[data-theme="light"] .kpi-grid .kpi-card.amber:last-child .kpi-corner-tl,
[data-theme="light"] .kpi-grid .kpi-card.amber:last-child .kpi-corner-tr,
[data-theme="light"] .kpi-grid .kpi-card.amber:last-child .kpi-corner-bl,
[data-theme="light"] .kpi-grid .kpi-card.amber:last-child .kpi-corner-br { border-color: rgba(255,255,255,0.35); }
[data-theme="light"] .kpi-grid .kpi-card.amber:last-child::before { background: rgba(255,255,255,0.12); box-shadow: none; }

/* KPI hover */
[data-theme="light"] .kpi-card:hover { transform: translateY(-3px); }

[data-theme="light"] .kpi-card.teal:hover {
  background: linear-gradient(
    0deg,
    #080F0B 0%,
    #0F1A12 4%,
    #142B1E 10%,
    #245940 100%
  );
}

[data-theme="light"] .kpi-card.amber:hover {
  background: linear-gradient(
    0deg,
    #2C200A 0%,
    #4A350E 4%,
    #624514 10%,
    #A87A22 100%
  );
}

[data-theme="light"] .kpi-card.green:hover {
  background: linear-gradient(
    0deg,
    #080F0B 0%,
    #0F1A12 4%,
    #142B1E 10%,
    #245940 100%
  );
}

[data-theme="light"] .kpi-card.red:hover {
  background: linear-gradient(
    0deg,
    #3A1010 0%,
    #3A1010 5%,
    #3A1010 10%,
    #6B2020 100%
  );
}

[data-theme="light"] .kpi-grid .kpi-card.amber:last-child:hover {
  background: linear-gradient(
    0deg,
    #080F0B 0%,
    #0F1A12 4%,
    #142B1E 10%,
    #245940 100%
  );
}

[data-theme="light"] .kpi-card .kpi-sub strong,
[data-theme="light"] .kpi-card .kpi-sub span.text-teal,
[data-theme="light"] .kpi-card .kpi-sub span.text-muted {
  font-weight: 700;
  font-size: 12px;
}

[data-theme="light"] .kpi-card.amber .kpi-sub {
  font-weight: 600;
  font-size: 12px;
  color: #FFFFFF !important;
}

/* ── Fuel gauge — clean, no glow, arc visible ─────────────── */
[data-theme="light"] .tank-gauge-svg { filter: none; }
[data-theme="light"] .tank-gauge-wrap::before { display: none; }

/* Background track arcs — soft visible grey */
[data-theme="light"] .tank-gauge-svg path:first-child { stroke: #D8E5DC !important; }
[data-theme="light"] .tank-gauge-svg path:nth-child(2) { stroke: #C8D5CC !important; }

/* Active arc — keep JS colour, just remove filter */
[data-theme="light"] #tankGaugeArc {
  filter: none !important;
  stroke-width: 18 !important;  /* slightly thicker so it shows clearly */
}
[data-theme="light"] #tankGaugeDot { filter: none !important; r: 7; }

/* Text */
[data-theme="light"] .tank-gauge-svg text { fill: #0D1F17 !important; }
[data-theme="light"] .tank-gauge-svg line { stroke: #C8D5CC !important; }

/* Tank meta */
[data-theme="light"] .tank-meta { border-top: 2px solid #2D6A4F; }
[data-theme="light"] .tank-meta-item { border-right-color: #C8D5CC; }
[data-theme="light"] .tank-meta-val { color: #0D1F17; }
[data-theme="light"] .tank-meta-val.text-amber { color: #92620A !important; }
[data-theme="light"] .tank-meta-val.text-teal  { color: #2D6A4F !important; }
[data-theme="light"] .tank-meta-lbl { color: #5A7A68; }

/* Tank warning */
[data-theme="light"] .tank-warning {
  background: #FEE2E2; border: 2px solid #991B1B;
  color: #991B1B; animation: none; box-shadow: none;
}

/* ── Inputs ───────────────────────────────────────────────── */
[data-theme="light"] .mk-input,
[data-theme="light"] .mk-textarea,
[data-theme="light"] .mk-select { background: #F5F8F5; border: 1px solid #C8D5CC; color: #0D1F17; }
[data-theme="light"] .mk-input::placeholder,
[data-theme="light"] .mk-textarea::placeholder { color: #8FAF9A; }
[data-theme="light"] .mk-input:focus,
[data-theme="light"] .mk-textarea:focus,
[data-theme="light"] .mk-select:focus { background: #FFFFFF; border-color: #2D6A4F; box-shadow: 0 0 0 3px rgba(45,106,79,0.15); }
[data-theme="light"] .mk-input.error { border-color: #991B1B; box-shadow: 0 0 0 3px rgba(153,27,27,0.12); }

/* ── Buttons ──────────────────────────────────────────────── */
[data-theme="light"] .mk-btn-primary { background: #2D6A4F; border-color: #2D6A4F; color: #FFFFFF; }
[data-theme="light"] .mk-btn-primary:hover { background: #1B4332; border-color: #1B4332; box-shadow: none; transform: translateY(-1px); }
[data-theme="light"] .mk-btn-amber { background: #C8962A; border-color: #C8962A; color: #1B2A0D; }
[data-theme="light"] .mk-btn-amber:hover { background: #B07D1A; border-color: #B07D1A; box-shadow: none; }
[data-theme="light"] .mk-btn-outline { border: 1.5px solid #C8D5CC; color: #2D4A3A; background: #FFFFFF; }
[data-theme="light"] .mk-btn-outline:hover { border-color: #2D6A4F; color: #2D6A4F; background: #D4E8DE; box-shadow: none; }
[data-theme="light"] .mk-btn-danger { background: #FEE2E2; color: #991B1B; border: 1px solid #FECACA; }
[data-theme="light"] .mk-btn-danger:hover { background: #991B1B; color: #FFFFFF; border-color: #991B1B; }

/* ── Badges ───────────────────────────────────────────────── */
[data-theme="light"] .mk-badge-teal   { background: #D4E8DE; color: #1B4332; border-color: #2D6A4F; }
[data-theme="light"] .mk-badge-amber  { background: #F5E6C8; color: #92620A; border-color: #C8962A; }
[data-theme="light"] .mk-badge-red    { background: #FEE2E2; color: #7F1D1D; border-color: #991B1B; }
[data-theme="light"] .mk-badge-green  { background: #D8F3DC; color: #1B4332; border-color: #2D6A4F; }
[data-theme="light"] .mk-badge-purple { background: #EDE9FE; color: #4C1D95; border-color: #6D28D9; }

/* ── Alert boxes ──────────────────────────────────────────── */
[data-theme="light"] .alert-box.success { background: #D8F3DC; border-color: #2D6A4F; color: #1B4332; }
[data-theme="light"] .alert-box.danger  { background: #FEE2E2; border-color: #991B1B; color: #7F1D1D; }
[data-theme="light"] .alert-box.warning { background: #F5E6C8; border-color: #C8962A; color: #92620A; }
[data-theme="light"] .alert-box.info    { background: #DBEAFE; border-color: #1E3A5F; color: #1E3A5F; }

/* ── Flash messages ───────────────────────────────────────── */
[data-theme="light"] .flash-msg.success { background: #D8F3DC; border-color: #2D6A4F; color: #1B4332; box-shadow: none; }
[data-theme="light"] .flash-msg.danger  { background: #FEE2E2; border-color: #991B1B; color: #7F1D1D; box-shadow: none; }
[data-theme="light"] .flash-msg.warning { background: #F5E6C8; border-color: #C8962A; color: #92620A; box-shadow: none; }
[data-theme="light"] .flash-msg.info    { background: #DBEAFE; border-color: #1E3A5F; color: #1E3A5F; box-shadow: none; }

/* ── Tables ───────────────────────────────────────────────── */
[data-theme="light"] .mk-table th { background: #D4E8DE; color: #1B4332; font-weight: 700; border-bottom: 2px solid #2D6A4F; }
[data-theme="light"] .mk-table td { border-bottom: 1px solid #E2EDE6; color: #2D4A3A; }
[data-theme="light"] .mk-table .td-primary { color: #0D1F17; font-weight: 600; }
[data-theme="light"] .mk-table .td-teal    { color: #1B4332; }
[data-theme="light"] .mk-table .td-amber   { color: #92620A; }
[data-theme="light"] .mk-table tr:hover td { background: #EAF4EE; }

/* ── Tabs ─────────────────────────────────────────────────── */
[data-theme="light"] .mk-tabs { background: #D4E8DE; border: 1px solid #C8D5CC; }
[data-theme="light"] .mk-tab { color: #2D4A3A; font-weight: 600; }
[data-theme="light"] .mk-tab.active { background: #2D6A4F; color: #FFFFFF; }
[data-theme="light"] .mk-tab:hover:not(.active) { background: #BDD9C8; color: #1B4332; }

/* ── Pagination ───────────────────────────────────────────── */
[data-theme="light"] .mk-page-btn { background: #FFFFFF; border: 1px solid #C8D5CC; color: #2D4A3A; }
[data-theme="light"] .mk-page-btn:hover,
[data-theme="light"] .mk-page-btn.active { background: #2D6A4F; border-color: #2D6A4F; color: #FFFFFF; box-shadow: none; }

/* ── Chart controls ───────────────────────────────────────── */
[data-theme="light"] .chart-page-btn { background: #FFFFFF; border: 1px solid #C8D5CC; color: #2D4A3A; }
[data-theme="light"] .chart-page-btn:hover:not(:disabled) { background: #D4E8DE; border-color: #2D6A4F; color: #1B4332; box-shadow: none; }
[data-theme="light"] .range-toggle { background: #D4E8DE; border: 1px solid #C8D5CC; }
[data-theme="light"] .range-btn { color: #2D4A3A; }
[data-theme="light"] .range-btn.active { background: #2D6A4F; color: #FFFFFF; }
[data-theme="light"] .range-btn:hover:not(.active) { background: #BDD9C8; color: #1B4332; }
[data-theme="light"] .chart-page-info { color: #2D4A3A; }

/* ── Mode toggle ──────────────────────────────────────────── */
[data-theme="light"] .mode-toggle { background: #D4E8DE; border: 1px solid #C8D5CC; }
[data-theme="light"] .mode-toggle-btn { color: #2D4A3A; }
[data-theme="light"] .mode-toggle-btn.active { background: #2D6A4F; color: #FFFFFF; border-bottom: 2px solid #1B4332; }

/* ── Modals ───────────────────────────────────────────────── */
[data-theme="light"] .mk-modal-overlay { background: rgba(13,31,23,0.65); }
[data-theme="light"] .mk-modal { background: #FFFFFF; border: 1px solid #C8D5CC; box-shadow: 0 20px 60px rgba(0,0,0,0.15); }
[data-theme="light"] .mk-modal-title { color: #0D1F17; }
[data-theme="light"] .mk-modal-title i { color: #2D6A4F; filter: none; }
[data-theme="light"] .mk-modal-title.danger i { color: #991B1B; filter: none; }
[data-theme="light"] .confirm-grid { background: #F5F8F5; border: 1px solid #C8D5CC; }
[data-theme="light"] .confirm-label { color: #5A7A68; }
[data-theme="light"] .confirm-value { color: #0D1F17; }
[data-theme="light"] .confirm-value.highlight { color: #2D6A4F; }
[data-theme="light"] .confirm-value.amber { color: #92620A; }
[data-theme="light"] .confirm-warning-box { background: #F5E6C8; border-color: #C8962A; color: #92620A; }

/* ── Activity feed ────────────────────────────────────────── */
[data-theme="light"] .activity-item { border-bottom: 1px solid #E2EDE6; }
[data-theme="light"] .activity-main { color: #0D1F17; }
[data-theme="light"] .activity-meta { color: #5A7A68; }
[data-theme="light"] .activity-dot.teal  { background: #2D6A4F; box-shadow: none; }
[data-theme="light"] .activity-dot.amber { background: #C8962A; box-shadow: none; }

/* ── Forms ────────────────────────────────────────────────── */
[data-theme="light"] .mk-label { color: #2D4A3A; }
[data-theme="light"] .field-error { color: #991B1B; }
[data-theme="light"] .form-page-title { color: #0D1F17; }
[data-theme="light"] .form-page-title i { color: #2D6A4F; filter: none; }
[data-theme="light"] .form-page-sub { color: #5A7A68; }
[data-theme="light"] .divider { background: #C8D5CC; }

/* ── Auth card ────────────────────────────────────────────── */
[data-theme="light"] .auth-card { background: #FFFFFF; border: 1px solid #C8D5CC; box-shadow: 0 4px 24px rgba(0,0,0,0.08); }
[data-theme="light"] .auth-title { color: #0D1F17; }
[data-theme="light"] .auth-sub   { color: #5A7A68; }

/* ── Footer ───────────────────────────────────────────────── */
[data-theme="light"] .app-footer { background: #FFFFFF; border-top: 1px solid #C8D5CC; }
[data-theme="light"] .app-footer-brand { color: #2D6A4F; }