:root {
  --bg-dark: #0b0f19;
  --bg-card: rgba(21, 30, 49, 0.85);
  --bg-card-hover: rgba(30, 43, 69, 0.95);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(99, 102, 241, 0.4);
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --accent: #10b981;
  --accent-glow: rgba(16, 185, 129, 0.25);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --danger: #ef4444;
  --warning: #f59e0b;
  --success: #10b981;
  
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.1) 0px, transparent 50%);
  background-attachment: fixed;
}

.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ─────────────────────────────────────────────
   NAVBAR & HEADER
   ───────────────────────────────────────────── */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #6366f1, #10b981);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.brand h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.subtitle {
  font-size: 12px;
  color: var(--text-muted);
}

.header-stats {
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
}

.stat-label {
  color: var(--text-muted);
}

.stat-value {
  font-weight: 700;
  color: var(--text-main);
}

.text-green { color: var(--success); }
.text-warning { color: var(--warning); }

.stat-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-dim);
}

.stat-dot.green {
  background: var(--success);
  box-shadow: 0 0 10px var(--success);
}

.pulse {
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.7; }
  100% { transform: scale(0.95); opacity: 1; }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.digital-clock {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

/* ─────────────────────────────────────────────
   MAIN LAYOUT (Users First Grid + Live Stream Column)
   ───────────────────────────────────────────── */
.main-layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 20px;
  padding: 20px 28px;
  flex: 1;
  overflow: hidden;
}

.panel {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.panel-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.panel-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel-title-group h2 {
  font-size: 18px;
  font-weight: 600;
}

.count-badge {
  font-size: 12px;
  background: rgba(255, 255, 255, 0.08);
  padding: 4px 10px;
  border-radius: 12px;
  color: var(--text-muted);
}

.user-search-wrapper {
  position: relative;
  flex: 1;
  max-width: 280px;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  opacity: 0.6;
}

.user-search-wrapper input {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 12px 8px 36px;
  border-radius: 10px;
  font-size: 13px;
  outline: none;
  transition: all 0.2s;
}

.user-search-wrapper input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

/* ─────────────────────────────────────────────
   USERS GRID & CARDS
   ───────────────────────────────────────────── */
.users-grid {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  align-content: start;
}

.user-card {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.user-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: 0 10px 25px rgba(99, 102, 241, 0.2);
  background: rgba(30, 43, 69, 0.85);
}

.user-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.user-avatar {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(16, 185, 129, 0.3));
  border: 1px solid rgba(99, 102, 241, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.user-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  margin-left: 12px;
}

.user-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
}

.user-mobile {
  font-size: 12px;
  color: var(--text-muted);
}

.user-status-pill {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  text-transform: uppercase;
}

.user-status-pill.online {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.user-status-pill.offline {
  background: rgba(148, 163, 184, 0.15);
  color: #94a3b8;
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.user-card-body {
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: rgba(0, 0, 0, 0.25);
  padding: 8px 12px;
  border-radius: 8px;
}

.user-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 10px;
}

.noti-badge {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 5px;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.btn-view-history {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ─────────────────────────────────────────────
   LIVE FEED COLUMN
   ───────────────────────────────────────────── */
.live-feed-container {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.live-card {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--primary);
  border-radius: 10px;
  padding: 12px 14px;
  animation: slideInDown 0.3s ease-out;
}

.live-card.has-otp {
  border-left-color: var(--accent);
  background: rgba(16, 185, 129, 0.06);
}

@keyframes slideInDown {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}

.live-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  margin-bottom: 6px;
}

.live-dept {
  font-weight: 700;
  color: #a5b4fc;
}

.live-otp-box {
  background: rgba(0, 0, 0, 0.3);
  padding: 6px 10px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 6px 0;
  border: 1px dashed rgba(16, 185, 129, 0.3);
}

.live-otp-code {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 800;
  color: #34d399;
}

/* ─────────────────────────────────────────────
   USER NOTIFICATION HISTORY MODAL
   ───────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
  animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-card {
  background: #0f172a;
  border: 1px solid var(--border-highlight);
  border-radius: 20px;
  width: 100%;
  max-width: 720px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6);
  overflow: hidden;
}

.modal-header {
  padding: 20px 24px;
  background: rgba(30, 41, 59, 0.8);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.modal-header h2 {
  font-size: 18px;
  font-weight: 700;
}

.modal-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

.btn-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 28px;
  cursor: pointer;
  transition: color 0.2s;
}

.btn-close:hover {
  color: var(--danger);
}

.modal-body {
  padding: 20px;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.modal-filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.modal-filter-bar input {
  flex: 1;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: 8px;
  color: white;
  font-size: 13px;
  outline: none;
}

.modal-history-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.history-item-card {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent);
  border-radius: 12px;
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.history-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

.history-otp-banner {
  background: rgba(0, 0, 0, 0.4);
  border: 1px dashed rgba(16, 185, 129, 0.4);
  padding: 10px 16px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.history-otp-code {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 800;
  color: #34d399;
  letter-spacing: 3px;
}

/* ─────────────────────────────────────────────
   BUTTONS & TOAST
   ───────────────────────────────────────────── */
.btn {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); }

.btn-outline { background: transparent; border: 1px solid var(--border-color); color: var(--text-main); }
.btn-outline:hover { background: rgba(255, 255, 255, 0.08); }

.btn-accent { background: linear-gradient(135deg, #4f46e5, #06b6d4); color: white; }
.btn-sm { padding: 5px 10px; font-size: 12px; }

.btn-copy-sm {
  background: var(--accent);
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}
.empty-icon { font-size: 40px; margin-bottom: 8px; opacity: 0.6; }

.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 2000; display: flex; flex-direction: column; gap: 10px; }
.toast { background: #1e293b; color: white; border: 1px solid var(--primary); padding: 12px 20px; border-radius: 10px; font-size: 13px; display: flex; align-items: center; gap: 10px; animation: slideInRight 0.3s ease-out; }
@keyframes slideInRight { from { opacity: 0; transform: translateX(50px); } to { opacity: 1; transform: translateX(0); } }