/* ── CSS Variables / Theme ─────────────────────────────────────────── */
:root,
[data-theme="dark"] {
  --bg: #06070d;
  --bg-card: rgba(255,255,255,0.028);
  --bg-card-hover: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.07);
  --border-hover: rgba(255,255,255,0.12);
  --text-primary: #f1f3fa;
  --text-secondary: #8891aa;
  --text-label: #3e4560;
  --accent: #f97316;
  --accent-light: #fb923c;
  --accent-glow: rgba(249,115,22,0.3);
  --secondary: #6366f1;
  --teal: #14b8a6;
  --success: #22c55e;
  --danger: #f43f5e;
  --warning: #f59e0b;
  --sidebar-bg: rgba(0,0,0,0.3);
  --glass-blur: 20px;
  --input-bg: rgba(255,255,255,0.04);
  --shadow: 0 4px 30px rgba(0,0,0,0.3);
  --shadow-hover: 0 8px 40px rgba(0,0,0,0.4);
  --chart-text: #8891aa;
  --overlay: rgba(0,0,0,0.7);
  --scrollbar-bg: rgba(255,255,255,0.03);
  --scrollbar-thumb: rgba(255,255,255,0.1);
}

[data-theme="light"] {
  --bg: #f0f2f5;
  --bg-card: rgba(255,255,255,0.85);
  --bg-card-hover: rgba(255,255,255,0.95);
  --border: rgba(0,0,0,0.08);
  --border-hover: rgba(0,0,0,0.12);
  --text-primary: #1a1d2e;
  --text-secondary: #5a5f7a;
  --text-label: #8a8fa8;
  --accent: #f97316;
  --accent-light: #ea580c;
  --accent-glow: rgba(249,115,22,0.15);
  --sidebar-bg: rgba(255,255,255,0.9);
  --input-bg: rgba(0,0,0,0.03);
  --shadow: 0 4px 30px rgba(0,0,0,0.06);
  --shadow-hover: 0 8px 40px rgba(0,0,0,0.1);
  --chart-text: #5a5f7a;
  --overlay: rgba(0,0,0,0.3);
  --scrollbar-bg: rgba(0,0,0,0.03);
  --scrollbar-thumb: rgba(0,0,0,0.1);
}

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

html {
  font-size: 15px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Background effects */
body::before {
  content: '';
  position: fixed;
  top: -40%;
  right: -20%;
  width: 80vmax;
  height: 80vmax;
  background: radial-gradient(circle, rgba(249,115,22,0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  bottom: -30%;
  left: -20%;
  width: 70vmax;
  height: 70vmax;
  background: radial-gradient(circle, rgba(99,102,241,0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Dotted grid overlay */
body::before, body::after { z-index: 0; }
#sidebar, #main { position: relative; z-index: 1; }

/* ── Scrollbar ─────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--scrollbar-bg); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ── Glass Card ────────────────────────────────────────────────────── */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  padding: 24px 30px;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

.glass-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
  background: var(--bg-card-hover);
}

/* ── Typography ────────────────────────────────────────────────────── */
.page-title {
  font-size: 34px;
  font-weight: 900;
  letter-spacing: -1px;
  background: linear-gradient(135deg, #f1f3fa, rgba(241,243,250,0.6));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="light"] .page-title {
  background: linear-gradient(135deg, #1a1d2e, rgba(26,29,46,0.6));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title {
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

.eyebrow {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.eyebrow-bar {
  display: inline-block;
  width: 24px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--accent-glow);
}

.card-header {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
}

.card-accent-tick {
  display: inline-block;
  width: 3px;
  height: 14px;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 6px var(--accent-glow);
}

.card-subtitle {
  margin-left: auto;
  font-weight: 400;
  font-size: 11px;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-label);
}

/* ── Layout ────────────────────────────────────────────────────────── */
#sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: 252px;
  height: 100vh;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: width 0.3s ease, transform 0.3s ease;
  overflow-y: auto;
}

#sidebar.collapsed {
  width: 60px;
}

#sidebar.collapsed .brand-text,
#sidebar.collapsed .nav-label,
#sidebar.collapsed .nav-group-label,
#sidebar.collapsed .sidebar-agents-label,
#sidebar.collapsed .sidebar-agent-row,
#sidebar.collapsed .version-badge {
  display: none;
}

.sidebar-inner {
  padding: 20px 16px;
  flex: 1;
}

.sidebar-collapse-btn {
  position: absolute;
  bottom: 16px;
  right: -12px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  border: none;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  box-shadow: 0 0 10px var(--accent-glow);
}

#main {
  margin-left: 252px;
  min-height: 100vh;
  transition: margin-left 0.3s ease;
}

#main.sidebar-collapsed {
  margin-left: 60px;
}

/* ── Brand ─────────────────────────────────────────────────────────── */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 4px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.brand-title {
  font-weight: 800;
  font-size: 15px;
  letter-spacing: -0.3px;
}

.brand-sub {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: -1px;
}

.version-badge {
  margin-left: auto;
  font-size: 10px;
  font-weight: 700;
  background: rgba(99,102,241,0.15);
  color: var(--secondary);
  padding: 2px 8px;
  border-radius: 20px;
  border: 1px solid rgba(99,102,241,0.2);
  white-space: nowrap;
}

/* ── Navigation ────────────────────────────────────────────────────── */
.nav-group { margin-bottom: 16px; }

.nav-group-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-label);
  padding: 0 12px;
  margin-bottom: 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 12px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  text-align: left;
  font-family: inherit;
}

.nav-item:hover {
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
}

.nav-item.active {
  background: rgba(249,115,22,0.08);
  color: var(--accent);
  font-weight: 600;
}

.nav-item.active .nav-glow {
  position: absolute;
  left: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
  box-shadow: 0 0 8px var(--accent-glow);
}

.nav-item .nav-glow { display: none; }
.nav-item.active .nav-glow { display: block; }

.nav-icon { font-size: 16px; width: 20px; text-align: center; }

/* ── Sidebar Agents ────────────────────────────────────────────────── */
.sidebar-agents {
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-top: auto;
}

.sidebar-agents-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-label);
  padding: 0 12px;
  margin-bottom: 8px;
}

.sidebar-agent-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 12px;
  font-size: 12.5px;
}

.sidebar-agent-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.agent-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}

.agent-dot.online { background: var(--success); box-shadow: 0 0 6px rgba(34,197,94,0.5); }
.agent-dot.standby { background: var(--warning); }
.agent-dot.issues,
.agent-dot.idle { background: var(--text-label); }

.agent-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 20px;
}

.agent-badge.online { background: rgba(34,197,94,0.1); color: var(--success); }
.agent-badge.standby { background: rgba(245,158,11,0.1); color: var(--warning); }
.agent-badge.idle,
.agent-badge.issues { background: rgba(62,69,96,0.2); color: var(--text-secondary); }
.agent-badge.lead { background: rgba(249,115,22,0.1); color: var(--accent); }
.agent-badge.ready { background: rgba(99,102,241,0.1); color: var(--secondary); }
.agent-badge.build { background: rgba(244,63,94,0.1); color: var(--danger); }

/* ── Top Bar ───────────────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px 10px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

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

.theme-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  color: var(--text-primary);
  transition: all 0.2s;
}

.theme-toggle:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
}

.gateway-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  color: var(--success);
  background: rgba(34,197,94,0.08);
  padding: 5px 14px;
  border-radius: 20px;
  border: 1px solid rgba(34,197,94,0.15);
}

.gateway-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 10px rgba(34,197,94,0.6);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ── Content ───────────────────────────────────────────────────────── */
.content {
  padding: 24px 32px 40px;
}

/* ── Subtab Bar ────────────────────────────────────────────────────── */
.subtab-bar {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4px;
  width: fit-content;
}

.subtab-btn {
  padding: 7px 18px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s;
}

.subtab-btn.active {
  background: var(--accent);
  color: white;
  box-shadow: 0 0 12px var(--accent-glow);
}

.subtab-btn:hover:not(.active) {
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
}

/* ── Hero Panel ────────────────────────────────────────────────────── */
.hero-panel {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(var(--glass-blur));
  margin-bottom: 24px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(249,115,22,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(99,102,241,0.05) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  display: flex;
  justify-content: space-between;
  padding: 32px 36px;
  gap: 40px;
}

.hero-greeting {
  font-size: 36px;
  font-weight: 900;
  letter-spacing: -1px;
  background: linear-gradient(135deg, #f1f3fa, rgba(241,243,250,0.5));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="light"] .hero-greeting {
  background: linear-gradient(135deg, #1a1d2e, #5a5f7a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-date {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.hero-chips {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.chip {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
}

.chip.success {
  background: rgba(34,197,94,0.08);
  color: var(--success);
  border: 1px solid rgba(34,197,94,0.15);
}

.chip.info {
  background: rgba(99,102,241,0.08);
  color: var(--secondary);
  border: 1px solid rgba(99,102,241,0.15);
}

.chip-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

.hero-figures {
  display: flex;
  gap: 24px;
  align-items: center;
  flex-shrink: 0;
}

.hero-figure {
  text-align: center;
}

.hero-figure-value {
  font-size: 36px;
  font-weight: 900;
  letter-spacing: -2px;
  background: linear-gradient(135deg, #f1f3fa, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="light"] .hero-figure-value {
  background: linear-gradient(135deg, #1a1d2e, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-figure-label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
  margin-top: 2px;
}

/* ── Stat Cards Row ────────────────────────────────────────────────── */
.stat-cards-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(var(--glass-blur));
  overflow: hidden;
  transition: all 0.3s ease;
}

.stat-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.stat-card-topline {
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--stat-accent, var(--accent)), transparent);
}

.stat-card-inner {
  padding: 20px 24px 24px;
}

.stat-card-icon {
  font-size: 24px;
  margin-bottom: 8px;
}

.stat-card-value {
  font-size: 42px;
  font-weight: 900;
  letter-spacing: -3px;
  background: linear-gradient(135deg, #f1f3fa, var(--stat-accent, var(--accent)));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

[data-theme="light"] .stat-card-value {
  background: linear-gradient(135deg, #1a1d2e, var(--stat-accent, var(--accent)));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-card-label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
  margin-top: 4px;
}

/* ── Analytics Grid ────────────────────────────────────────────────── */
.analytics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

/* ── Agent Breakdown ───────────────────────────────────────────────── */
.agent-breakdown-body {
  display: flex;
  gap: 20px;
  align-items: center;
}

.radial-gauge-container { flex-shrink: 0; }

.radial-gauge-svg {
  width: 200px;
  height: 200px;
}

.agent-legend { flex: 1; }

.agent-legend-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 0;
  font-size: 13px;
}

.agent-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.agent-legend-name { color: var(--text-secondary); flex: 1; }
.agent-legend-count { color: var(--text-primary); font-weight: 700; }
.agent-legend-pct { color: var(--text-label); font-size: 11px; min-width: 40px; text-align: right; }

/* ── Heatmap ───────────────────────────────────────────────────────── */
.heatmap-body { }

.heatmap-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.heatmap-label {
  width: 72px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
}

.heatmap-cells {
  display: flex;
  gap: 2px;
  flex: 1;
}

.heatmap-cell {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 3px;
  min-width: 6px;
  transition: opacity 0.2s;
}

.heatmap-cell:hover {
  opacity: 1 !important;
  transform: scale(1.3);
  z-index: 2;
}

/* ── Calendar ──────────────────────────────────────────────────────── */
.calendar-body {
  margin-bottom: 20px;
}

.calendar-month {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: 4px;
}

.calendar-weekdays span {
  text-align: center;
  font-size: 10px;
  font-weight: 700;
  color: var(--text-label);
  padding: 4px 0;
}

.calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}

.calendar-day {
  text-align: center;
  font-size: 12px;
  padding: 4px 0;
  color: var(--text-label);
  border-radius: 4px;
}

.calendar-day.current-month {
  color: var(--text-primary);
  font-weight: 500;
}

.calendar-day.today {
  background: var(--accent);
  color: white;
  font-weight: 700;
  box-shadow: 0 0 8px var(--accent-glow);
}

.agent-status-list {
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.agent-status-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 0;
  font-size: 12.5px;
}

.agent-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.agent-status-name { flex: 1; color: var(--text-primary); font-weight: 500; }
.agent-status-state { color: var(--success); font-size: 11px; font-weight: 600; }

/* ── Bottom Grid ───────────────────────────────────────────────────── */
.bottom-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
}

.chart-container { min-height: 200px; }
#activityChart { min-height: 200px; }

/* ── Feed ──────────────────────────────────────────────────────────── */
.feed-list { }

.feed-item {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

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

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

.feed-content { flex: 1; }

.feed-action {
  font-size: 13px;
  color: var(--text-primary);
}

.feed-action b { color: var(--accent); }

.feed-meta {
  display: flex;
  gap: 12px;
  font-size: 11px;
  color: var(--text-label);
  margin-top: 2px;
}

/* ── Page Section ──────────────────────────────────────────────────── */
.page-section {
  margin-bottom: 24px;
}

/* ── Agent Summary Strip ───────────────────────────────────────────── */
.agent-summary-strip {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 24px;
  backdrop-filter: blur(var(--glass-blur));
}

.summary-item {
  text-align: center;
  flex: 1;
  border-right: 1px solid var(--border);
  padding: 0 8px;
}

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

.summary-value {
  display: block;
  font-size: 32px;
  font-weight: 900;
  letter-spacing: -2px;
  background: linear-gradient(135deg, #f1f3fa, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

[data-theme="light"] .summary-value {
  background: linear-gradient(135deg, #1a1d2e, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.summary-label {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ── Agent Cards Grid ──────────────────────────────────────────────── */
.agent-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.agent-card {
  text-align: center;
  padding: 24px 16px;
}

.agent-card-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  margin: 0 auto 10px;
  background: var(--bg-card);
}

.agent-card-name {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 2px;
}

.agent-card-role {
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.agent-card-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.agent-card-badge.online { background: rgba(34,197,94,0.1); color: var(--success); border: 1px solid rgba(34,197,94,0.15); }
.agent-card-badge.standby { background: rgba(245,158,11,0.1); color: var(--warning); border: 1px solid rgba(245,158,11,0.15); }
.agent-card-badge.idle { background: rgba(62,69,96,0.1); color: var(--text-secondary); border: 1px solid var(--border); }
.agent-card-badge.lead { background: rgba(249,115,22,0.1); color: var(--accent); border: 1px solid rgba(249,115,22,0.15); }
.agent-card-badge.ready { background: rgba(99,102,241,0.1); color: var(--secondary); border: 1px solid rgba(99,102,241,0.15); }
.agent-card-badge.build { background: rgba(244,63,94,0.1); color: var(--danger); border: 1px solid rgba(244,63,94,0.15); }

.agent-card-ring {
  margin: 8px auto;
}

.ring-gauge {
  width: 80px;
  height: 80px;
}

.agent-card-tasks {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 8px 0;
}

.agent-card-model {
  font-size: 10px;
  color: var(--text-label);
  margin-bottom: 4px;
}

.agent-card-last {
  font-size: 10px;
  color: var(--text-label);
}

/* ── Progress Bar ──────────────────────────────────────────────────── */
.progress-bar {
  height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  margin-top: 6px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 2px;
  transition: width 0.5s ease;
}

/* ── Agent Stats Grid ──────────────────────────────────────────────── */
.agent-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.stats-2x2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.stat-tile {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
}

.stat-tile-value {
  display: block;
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 4px;
}

.stat-tile-value.success { color: var(--success) !important; -webkit-text-fill-color: var(--success) !important; }
.stat-tile-value.warning { color: var(--danger) !important; -webkit-text-fill-color: var(--danger) !important; }

.stat-tile span:last-child {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ── Buttons ───────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 13px 26px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: white;
  font-size: 14px;
  font-weight: 800;
  font-family: inherit;
  cursor: pointer;
  box-shadow: 0 0 20px var(--accent-glow);
  transition: all 0.25s ease;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 0 30px var(--accent-glow);
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 22px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255,255,255,0.03);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

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

/* ── Inputs ────────────────────────────────────────────────────────── */
.input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  transition: all 0.2s;
  outline: none;
}

.input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.input::placeholder { color: var(--text-label); }

.textarea {
  resize: vertical;
  min-height: 80px;
}

/* ── Chat Layout ───────────────────────────────────────────────────── */
.chat-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 16px;
  height: calc(100vh - 200px);
  min-height: 400px;
}

.chat-agent-list {
  overflow-y: auto;
}

.chat-agent-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.chat-agent-item:hover {
  background: rgba(255,255,255,0.04);
}

.chat-agent-item.active {
  background: rgba(249,115,22,0.08);
  color: var(--accent);
  font-weight: 700;
}

.chat-agent-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.chat-agent-dot.online { background: var(--success); }
.chat-agent-dot.standby { background: var(--warning); }
.chat-agent-dot.idle,
.chat-agent-dot.issues { background: var(--text-label); }

.chat-pane {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.chat-message {
  margin-bottom: 16px;
}

.chat-message.user {
  text-align: right;
}

.chat-bubble {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.5;
  max-width: 80%;
  text-align: left;
}

.chat-message.agent .chat-bubble {
  background: var(--bg);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.chat-message.user .chat-bubble {
  background: var(--accent);
  color: white;
  border-bottom-right-radius: 4px;
}

.chat-time {
  font-size: 10px;
  color: var(--text-label);
  margin-top: 4px;
}

.chat-typing {
  display: flex;
  gap: 4px;
  padding: 10px 0;
}

.typing-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-label);
  animation: typingBounce 1.4s ease-in-out infinite;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

.chat-input-row {
  display: flex;
  gap: 8px;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
}

.chat-input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.chat-input:focus {
  border-color: var(--accent);
}

.chat-input::placeholder { color: var(--text-label); }

/* ── Upload ────────────────────────────────────────────────────────── */
.upload-layout {
  max-width: 600px;
}

.upload-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.upload-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.upload-subject-row {
  display: flex;
  gap: 8px;
}

.upload-dropzone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--input-bg);
}

.upload-dropzone:hover,
.upload-dropzone.drag-over {
  border-color: var(--accent);
  background: rgba(249,115,22,0.04);
}

.dropzone-icon {
  font-size: 32px;
  margin-bottom: 8px;
}

.dropzone-text {
  font-size: 13px;
  color: var(--text-secondary);
}

.file-input-hidden { display: none; }

.upload-btn {
  align-self: flex-start;
}

.upload-progress {
  display: flex;
  align-items: center;
  gap: 12px;
}

.upload-progress .progress-bar {
  flex: 1;
  height: 6px;
}

.upload-note {
  font-size: 11px;
  color: var(--text-label);
  font-style: italic;
}

/* ── Notes ─────────────────────────────────────────────────────────── */
.notes-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 16px;
  min-height: 400px;
}

.notes-sidebar {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.notes-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 8px;
}

.notes-file-item {
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.notes-file-item:hover {
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
}

.notes-file-item.active {
  background: rgba(249,115,22,0.08);
  color: var(--accent);
  font-weight: 600;
}

.notes-reader {
  overflow-y: auto;
  max-height: 600px;
}

.notes-content {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-primary);
}

.notes-content h1, .notes-content h2, .notes-content h3 {
  color: var(--accent);
  margin: 16px 0 8px;
}

.notes-content h1 { font-size: 22px; }
.notes-content h2 { font-size: 18px; color: var(--teal); }
.notes-content h3 { font-size: 15px; }
.notes-content p { margin-bottom: 12px; }
.notes-content code {
  background: rgba(249,115,22,0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}
.notes-content pre {
  background: rgba(0,0,0,0.3);
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 12px 0;
}
.notes-content ul, .notes-content ol { padding-left: 20px; margin: 8px 0; }
.notes-content li { margin: 4px 0; }
.notes-content a { color: var(--accent); }

.notes-empty {
  color: var(--text-label);
  font-size: 14px;
  font-style: italic;
  text-align: center;
  padding: 40px;
}

/* ── PDF Reader ────────────────────────────────────────────────────── */
.pdf-reader {
  min-height: 500px;
}

.pdf-embed-container {
  width: 100%;
  height: 600px;
}

.pdf-iframe {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 8px;
}

/* ── Quiz ──────────────────────────────────────────────────────────── */
.quiz-phase {
  max-width: 600px;
  margin: 0 auto;
}

.quiz-progress-bar {
  margin-bottom: 20px;
}

.quiz-progress-bar span {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 600;
}

.quiz-question {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.5;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.quiz-option {
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
}

.quiz-option:hover {
  border-color: var(--text-secondary);
  background: rgba(255,255,255,0.03);
}

.quiz-option.selected {
  border-color: var(--accent);
  background: rgba(249,115,22,0.06);
}

.quiz-option.correct {
  border-color: var(--success);
  background: rgba(34,197,94,0.06);
}

.quiz-option.incorrect {
  border-color: var(--danger);
  background: rgba(244,63,94,0.06);
}

.quiz-feedback {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}

.quiz-results-card {
  text-align: center;
}

.score-ring-container {
  display: flex;
  justify-content: center;
  margin: 20px 0;
}

.score-ring {
  width: 180px;
  height: 180px;
}

/* ── Flashcards ────────────────────────────────────────────────────── */
.flashcard-view {
  max-width: 500px;
  margin: 0 auto;
}

.flashcard-card {
  min-height: 240px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  transition: all 0.3s;
}

.flashcard-progress {
  width: 100%;
  margin-bottom: 20px;
}

.flashcard-progress span {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 600;
}

.flashcard-content {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  padding: 20px 0;
}

.flashcard-content.back {
  color: var(--teal);
}

.flashcard-hint {
  font-size: 10px;
  color: var(--text-label);
  margin-top: 16px;
}

.flashcard-controls {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

/* ── Research ──────────────────────────────────────────────────────── */
.research-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.research-form-card {
  display: flex;
  flex-direction: column;
}

.research-history-card {
  max-height: 500px;
  overflow-y: auto;
}

.research-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.research-item {
  padding: 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid transparent;
}

.research-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--border);
}

.research-item-title {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 4px;
}

.research-item-meta {
  display: flex;
  gap: 12px;
  font-size: 11px;
  color: var(--text-label);
}

.research-status {
  font-weight: 700;
  text-transform: uppercase;
}

.research-status.researching { color: var(--warning); }
.research-status.completed { color: var(--success); }
.research-status.failed { color: var(--danger); }

/* ── Modal ─────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal {
  max-width: 700px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.modal-header button {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
}

.modal-body {
  font-size: 14px;
  line-height: 1.7;
}

/* ── Schedule ──────────────────────────────────────────────────────── */
.schedule-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.schedule-today,
.schedule-week,
.schedule-deadlines,
.schedule-exams {
  font-size: 14px;
  line-height: 1.7;
}

.schedule-today table,
.schedule-week table,
.schedule-deadlines table,
.schedule-exams table {
  width: 100%;
  border-collapse: collapse;
}

.schedule-today td,
.schedule-week td,
.schedule-deadlines td,
.schedule-exams td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.schedule-today th,
.schedule-week th,
.schedule-deadlines th,
.schedule-exams th {
  padding: 8px 10px;
  border-bottom: 2px solid var(--border);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  text-align: left;
}

/* ── Kanban ────────────────────────────────────────────────────────── */
.kanban-add-row {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.kanban-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  min-height: 300px;
}

.kanban-column {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  min-height: 200px;
}

.kanban-header {
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 8px 12px;
  border-radius: 8px;
  margin-bottom: 12px;
  text-align: center;
}

.kanban-header.todo {
  background: rgba(99,102,241,0.08);
  color: var(--secondary);
}

.kanban-header.progress {
  background: rgba(249,115,22,0.08);
  color: var(--accent);
}

.kanban-header.done {
  background: rgba(34,197,94,0.08);
  color: var(--success);
}

.kanban-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 8px;
  cursor: grab;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  transition: all 0.2s;
}

.kanban-card:hover {
  border-color: var(--text-secondary);
  transform: translateY(-1px);
}

.kanban-card:active { cursor: grabbing; }

.kanban-delete {
  background: none;
  border: none;
  color: var(--text-label);
  cursor: pointer;
  font-size: 14px;
  padding: 2px 6px;
  border-radius: 4px;
  opacity: 0;
  transition: opacity 0.2s;
}

.kanban-card:hover .kanban-delete { opacity: 1; }

.kanban-delete:hover { color: var(--danger); }

/* ── Focus / Pomodoro ──────────────────────────────────────────────── */
.focus-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.pomodoro-card {
  text-align: center;
}

.pomodoro-mode-selector {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  background: var(--bg);
  border-radius: 10px;
  padding: 4px;
}

.pomodoro-mode-btn {
  flex: 1;
  padding: 8px 12px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
}

.pomodoro-mode-btn.active {
  background: var(--accent);
  color: white;
  box-shadow: 0 0 12px var(--accent-glow);
}

.pomodoro-ring-container {
  display: flex;
  justify-content: center;
  margin: 20px 0;
}

.pomodoro-ring {
  width: 220px;
  height: 220px;
}

.pomodoro-controls {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 20px 0;
}

.pomodoro-sessions {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ── Sticky Notes ──────────────────────────────────────────────────── */
.sticky-color-picker {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.sticky-color-swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s;
}

.sticky-color-swatch.active {
  border-color: var(--text-primary);
  transform: scale(1.15);
}

.sticky-input-row {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.sticky-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}

.sticky-note {
  padding: 12px;
  border-radius: 8px;
  min-height: 80px;
  position: relative;
  color: #1a1d2e;
  font-size: 13px;
  line-height: 1.5;
}

.sticky-note-text {
  outline: none;
  word-break: break-word;
}

.sticky-delete {
  position: absolute;
  top: 4px;
  right: 4px;
  background: rgba(0,0,0,0.2);
  border: none;
  color: white;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  opacity: 0;
  transition: opacity 0.2s;
}

.sticky-note:hover .sticky-delete { opacity: 1; }

/* ── Design Reference ──────────────────────────────────────────────── */
.design-ref-frame {
  padding: 0;
  overflow: hidden;
  height: calc(100vh - 200px);
  min-height: 500px;
}

.design-ref-iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ── x-cloak ────────────────────────────────────────────────────────── */
[x-cloak] { display: none !important; }

/* ── ApexCharts overrides ──────────────────────────────────────────── */
.apexcharts-tooltip { background: var(--bg-card) !important; border: 1px solid var(--border) !important; backdrop-filter: blur(20px) !important; }
.apexcharts-tooltip-title { background: transparent !important; border-bottom: 1px solid var(--border) !important; }
.apexcharts-legend-text { color: var(--text-secondary) !important; }

/* ── Markdown body ─────────────────────────────────────────────────── */
.markdown-body h1, .markdown-body h2, .markdown-body h3 { color: var(--accent); margin: 16px 0 8px; }
.markdown-body h1 { font-size: 22px; }
.markdown-body h2 { font-size: 18px; color: var(--teal); }
.markdown-body h3 { font-size: 15px; }
.markdown-body p { margin-bottom: 12px; }
.markdown-body code { background: rgba(249,115,22,0.1); padding: 2px 6px; border-radius: 4px; font-size: 13px; }
.markdown-body pre { background: rgba(0,0,0,0.3); padding: 16px; border-radius: 8px; overflow-x: auto; margin: 12px 0; }
.markdown-body ul, .markdown-body ol { padding-left: 20px; margin: 8px 0; }
.markdown-body li { margin: 4px 0; }

/* ── Responsive ────────────────────────────────────────────────────── */
@media (max-width: 1200px) {
  .analytics-grid { grid-template-columns: 1fr 1fr; }
  .stat-cards-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  #sidebar { transform: translateX(-100%); }
  #sidebar.collapsed { transform: translateX(-100%); }
  #main { margin-left: 0 !important; }
  .analytics-grid { grid-template-columns: 1fr; }
  .bottom-grid { grid-template-columns: 1fr; }
  .chat-layout { grid-template-columns: 1fr; }
  .research-layout { grid-template-columns: 1fr; }
  .schedule-grid { grid-template-columns: 1fr; }
  .kanban-board { grid-template-columns: 1fr; }
  .focus-layout { grid-template-columns: 1fr; }
  .notes-layout { grid-template-columns: 1fr; }
  .agent-stats-grid { grid-template-columns: 1fr; }
  .hero-content { flex-direction: column; }
  .hero-figures { justify-content: center; }
  .stat-cards-row { grid-template-columns: repeat(2, 1fr); }
  .content { padding: 16px; }
  .topbar { padding: 12px 16px; }
}

@media (max-width: 600px) {
  .stat-cards-row { grid-template-columns: 1fr; }
  .agent-cards-grid { grid-template-columns: 1fr; }
  .subtab-bar { flex-wrap: wrap; }
}
/* ── Mobile: Hamburger ──────────────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 36px;
  height: 36px;
  padding: 7px;
  border: none;
  border-radius: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

/* ── Mobile: Sidebar Overlay ────────────────────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 99;
  backdrop-filter: blur(4px);
}

/* ── Topbar Left: group hamburger + title ──────────────────────────── */
.topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ── Mobile Responsive ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hamburger { display: flex; }
  .sidebar-overlay { display: block; }

  /* Sidebar: slide in from left when open */
  #sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }
  #sidebar.mobile-open {
    transform: translateX(0);
  }

  /* Hide collapse button on mobile — hamburger replaces it */
  .sidebar-collapse-btn { display: none; }

  /* Bring main content forward when sidebar is offscreen */
  #main { margin-left: 0 !important; }

  /* All grids to single column */
  .analytics-grid,
  .bottom-grid,
  .chat-layout,
  .research-layout,
  .schedule-grid,
  .kanban-board,
  .focus-layout,
  .notes-layout,
  .agent-stats-grid {
    grid-template-columns: 1fr !important;
  }

  .stat-cards-row {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .hero-content {
    flex-direction: column !important;
    padding: 24px !important;
    gap: 24px !important;
  }

  .hero-figures {
    justify-content: center !important;
  }

  .hero-greeting { font-size: 28px !important; }
  .hero-figure-value { font-size: 28px !important; }

  .content {
    padding: 16px !important;
  }

  .topbar {
    padding: 12px 16px !important;
  }

  .page-title {
    font-size: 24px !important;
  }

  /* Cards */
  .glass-card {
    padding: 16px 20px !important;
  }

  /* Agent cards */
  .agent-cards-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* Agent breakdown: stack radial + legend */
  .agent-breakdown-body {
    flex-direction: column !important;
    align-items: center !important;
  }

  .radial-gauge-svg {
    width: 160px !important;
    height: 160px !important;
  }

  /* Upload subject row stack */
  .upload-subject-row {
    flex-direction: column !important;
  }

  /* Notes sidebar header */
  .notes-sidebar .upload-label {
    margin-top: 8px;
  }

  /* Chat pane height */
  .chat-layout {
    height: auto !important;
    min-height: 300px !important;
  }

  .chat-pane {
    min-height: 350px !important;
  }

  /* Kanban */
  .kanban-board {
    gap: 12px !important;
  }

  .kanban-column {
    min-height: 120px !important;
  }

  /* Summary strip: compress */
  .agent-summary-strip {
    flex-wrap: wrap !important;
    gap: 8px !important;
    padding: 16px !important;
  }

  .summary-item {
    flex: 1 1 30% !important;
    border-right: none !important;
    padding: 4px 8px !important;
  }

  .summary-value {
    font-size: 24px !important;
  }

  /* Gateway text hidden on mobile, dot only */
  .gateway-pill {
    padding: 5px 10px !important;
  }

  /* Subtab bar scroll */
  .subtab-bar {
    overflow-x: auto !important;
    flex-wrap: nowrap !important;
    width: 100% !important;
    -webkit-overflow-scrolling: touch;
  }

  .subtab-btn {
    white-space: nowrap !important;
    flex-shrink: 0 !important;
  }

  /* Quiz */
  .quiz-phase {
    max-width: 100% !important;
  }

  .quiz-question {
    font-size: 16px !important;
  }

  .quiz-option {
    padding: 12px 16px !important;
    font-size: 14px !important;
  }

  /* Design ref */
  .design-ref-frame {
    height: calc(100vh - 160px) !important;
    min-height: 300px !important;
  }

  /* PDF reader */
  .pdf-embed-container {
    height: 400px !important;
  }

  .pdf-reader {
    min-height: 300px !important;
  }

  /* Focus layout */
  .pomodoro-ring {
    width: 180px !important;
    height: 180px !important;
  }

  .sticky-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* Heatmap scroll */
  .heatmap-body {
    overflow-x: auto !important;
  }

  /* Schedule tables */
  .schedule-today td,
  .schedule-week td,
  .schedule-deadlines td,
  .schedule-exams td {
    padding: 6px 8px !important;
    font-size: 12px !important;
  }

  /* Modal */
  .modal {
    width: 95% !important;
    max-height: 90vh !important;
  }

  /* Stat cards */
  .stat-card-value {
    font-size: 32px !important;
  }
  .stat-card-inner {
    padding: 16px 20px 20px !important;
  }

  /* Feed card */
  .feed-item {
    padding: 6px 0 !important;
  }
}

@media (max-width: 600px) {
  .stat-cards-row {
    grid-template-columns: 1fr !important;
  }

  .agent-cards-grid {
    grid-template-columns: 1fr !important;
  }

  .hero-greeting {
    font-size: 22px !important;
  }

  .page-title {
    font-size: 20px !important;
  }

  .hero-content {
    padding: 20px !important;
  }

  .stat-card-value {
    font-size: 28px !important;
  }

  .content {
    padding: 12px !important;
  }

  .topbar {
    padding: 10px 12px !important;
  }

  /* Single column sticky notes */
  .sticky-grid {
    grid-template-columns: 1fr !important;
  }

  /* Buttons full width */
  .btn-primary,
  .btn-ghost {
    width: 100% !important;
    justify-content: center !important;
  }

  .flashcard-controls {
    flex-direction: column !important;
  }

  .pomodoro-controls {
    flex-wrap: wrap !important;
  }

  .chat-input-row {
    flex-direction: column !important;
    gap: 8px !important;
  }

  .gateway-pill .gateway-text {
    display: none;
  }

  .summary-item {
    flex: 1 1 45% !important;
  }

  .kanban-add-row {
    flex-direction: column !important;
  }
}

/* ── Landscape phone tweaks ─────────────────────────────────────────── */
@media (max-height: 500px) {
  .sidebar-inner {
    padding: 12px !important;
  }
  .brand {
    padding-bottom: 10px !important;
    margin-bottom: 8px !important;
  }
  .sidebar-agents {
    display: none !important;
  }
}