:root[data-theme="dark"] {
  --bg: #060a10;
  --bg2: #0c1018;
  --bg3: #111820;
  --surface: #161e2c;
  --surface2: #1c2638;
  --border: #253548;
  --text: #e0eaff;
  --text2: #6a8ab0;
  --text3: #3a5070;
  --accent: #00d4ff;
  --accent2: #0099cc;
  --green: #00ff88;
  --red: #ff3355;
  --orange: #ff9500;
  --purple: #aa44ff;
  --glow: 0 0 20px rgba(0,212,255,0.3);
  --shadow: 0 8px 32px rgba(0,0,0,0.7);
}
:root[data-theme="light"] {
  --bg: #eef2fc;
  --bg2: #e4eaf6;
  --bg3: #d8e0f0;
  --surface: #ffffff;
  --surface2: #f4f7ff;
  --border: #c0ceea;
  --text: #1a2235;
  --text2: #405570;
  --text3: #8098b8;
  --accent: #0066cc;
  --accent2: #004499;
  --green: #00995a;
  --red: #cc1133;
  --orange: #cc6600;
  --purple: #7722cc;
  --glow: 0 0 20px rgba(0,102,204,0.2);
  --shadow: 0 8px 32px rgba(0,0,0,0.12);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Rajdhani', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background 0.4s, color 0.4s;
  display: flex;
  flex-direction: column;
}

body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.02) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none; z-index: 0;
}
[data-theme="light"] body::before { opacity: 0.4; }

/* HEADER */
header {
  background: rgba(6,10,16,0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 28px;
  position: sticky; top: 0; z-index: 100;
  transition: background 0.4s;
}
[data-theme="light"] header { background: rgba(238,242,252,0.95); }
.header-inner {
  max-width: 1500px; margin: 0 auto;
  height: 64px;
  display: flex; align-items: center; gap: 16px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; flex-shrink: 0;
}
.logo-icon {
  width: 34px; height: 34px;
  background: var(--accent); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; box-shadow: var(--glow);
}
.logo-text {
  font-family: 'Orbitron', monospace;
  font-weight: 900; font-size: 16px;
  color: var(--text); letter-spacing: 2px;
}
.logo-text span { color: var(--accent); }
.admin-badge {
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.3);
  color: var(--accent);
  font-family: 'Orbitron', monospace;
  font-size: 10px; letter-spacing: 2px;
  padding: 3px 8px; border-radius: 6px;
}
.spacer { flex: 1; }
.header-actions { display: flex; align-items: center; gap: 8px; }
.btn-icon {
  width: 38px; height: 38px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text2); display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 17px; transition: all 0.2s;
}
.btn-icon:hover { border-color: var(--accent); color: var(--accent); }
.back-btn {
  font-family: 'Orbitron', monospace; font-size: 11px;
  padding: 8px 14px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text2); text-decoration: none; transition: all 0.2s;
  letter-spacing: 1px;
}
.back-btn:hover { border-color: var(--accent); color: var(--accent); }

/* LAYOUT */
.admin-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: calc(100vh - 64px);
  position: relative; z-index: 1;
}

/* SIDEBAR */
.sidebar {
  background: var(--bg2);
  border-right: 1px solid var(--border);
  padding: 24px 0;
  display: flex; flex-direction: column;
  position: sticky; top: 64px;
  height: calc(100vh - 64px);
  overflow-y: auto;
  transition: background 0.4s;
}
.nav-section {
  padding: 0 12px;
  margin-bottom: 8px;
}
.nav-label {
  font-family: 'Orbitron', monospace;
  font-size: 9px; letter-spacing: 2px;
  color: var(--text3); padding: 0 8px;
  margin-bottom: 6px; margin-top: 16px;
  display: block;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 10px;
  cursor: pointer; transition: all 0.2s;
  color: var(--text2); font-size: 15px;
  border: 1px solid transparent;
  margin-bottom: 2px;
}
.nav-item:hover { background: var(--surface); border-color: var(--border); color: var(--text); }
.nav-item.active { background: rgba(0,212,255,0.08); border-color: rgba(0,212,255,0.25); color: var(--accent); }
.nav-icon { font-size: 18px; flex-shrink: 0; }
.nav-badge {
  margin-left: auto; font-family: 'Orbitron', monospace;
  font-size: 10px; background: var(--accent);
  color: #000; border-radius: 10px;
  padding: 1px 7px; font-weight: 700;
}

/* MAIN CONTENT */
.main-content {
  padding: 28px;
  overflow-y: auto;
  max-width: 1280px;
}

.section { display: none; }
.section.active { display: block; }

.section-title {
  font-family: 'Orbitron', monospace;
  font-size: 20px; font-weight: 700;
  color: var(--text); margin-bottom: 6px;
  display: flex; align-items: center; gap: 10px;
}
.section-sub {
  color: var(--text2); font-size: 15px; margin-bottom: 28px;
}

/* STATS GRID */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px; margin-bottom: 32px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px; padding: 20px;
  transition: all 0.3s; cursor: default;
  position: relative; overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--stat-color, var(--accent));
}
.stat-card:hover { border-color: var(--stat-color, var(--accent)); transform: translateY(-2px); }
.stat-icon { font-size: 28px; margin-bottom: 10px; }
.stat-value {
  font-family: 'Orbitron', monospace;
  font-size: 32px; font-weight: 900;
  color: var(--stat-color, var(--accent));
  line-height: 1;
}
.stat-label { font-size: 13px; color: var(--text3); margin-top: 4px; text-transform: uppercase; letter-spacing: 1px; }
.stat-delta { font-size: 12px; color: var(--green); margin-top: 4px; }

/* CHART */
.chart-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px; padding: 24px;
  margin-bottom: 24px;
}
.chart-title {
  font-family: 'Orbitron', monospace;
  font-size: 13px; color: var(--text3);
  letter-spacing: 2px; margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.bar-chart {
  display: flex; align-items: flex-end;
  gap: 8px; height: 120px;
}
.bar-group { display: flex; flex-direction: column; align-items: center; flex: 1; gap: 6px; }
.bar {
  width: 100%; border-radius: 4px 4px 0 0;
  background: var(--accent);
  transition: height 0.8s cubic-bezier(0.34,1.56,0.64,1);
  position: relative;
  min-height: 4px;
}
.bar:hover::after {
  content: attr(data-val);
  position: absolute; top: -24px; left: 50%;
  transform: translateX(-50%);
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 2px 6px; border-radius: 4px;
  font-size: 11px; font-family: 'Orbitron', monospace;
  white-space: nowrap;
}
.bar-label { font-size: 10px; color: var(--text3); text-align: center; }

/* PIE CHART */
.pie-wrap {
  display: flex; align-items: center; gap: 24px;
}
.pie-svg { flex-shrink: 0; }
.pie-legend { display: flex; flex-direction: column; gap: 8px; }
.pie-item { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.pie-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }

/* FORM */
.card-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px; padding: 24px;
  margin-bottom: 20px;
}
.panel-title {
  font-family: 'Orbitron', monospace;
  font-size: 14px; color: var(--text2);
  letter-spacing: 2px; margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 8px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px; margin-bottom: 16px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-label {
  font-family: 'Orbitron', monospace;
  font-size: 10px; color: var(--text3);
  letter-spacing: 1px; text-transform: uppercase;
}
.form-input, .form-select, .form-textarea {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 14px;
  color: var(--text); font-family: 'Rajdhani', sans-serif;
  font-size: 15px; outline: none; transition: all 0.2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent); box-shadow: var(--glow);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text3); }
.form-textarea { resize: vertical; min-height: 80px; }
.form-select { cursor: pointer; }

.emoji-grid {
  display: grid; grid-template-columns: repeat(8, 1fr);
  gap: 6px;
}
.emoji-opt {
  font-size: 20px; text-align: center; padding: 6px;
  border-radius: 8px; cursor: pointer;
  border: 2px solid transparent;
  background: var(--bg3); transition: all 0.15s;
}
.emoji-opt:hover { border-color: var(--accent); transform: scale(1.15); }
.emoji-opt.selected { border-color: var(--accent); background: rgba(0,212,255,0.1); }

.color-grid { display: flex; gap: 8px; flex-wrap: wrap; }
.color-opt {
  width: 30px; height: 30px; border-radius: 8px;
  cursor: pointer; border: 3px solid transparent; transition: all 0.15s;
}
.color-opt:hover { transform: scale(1.1); }
.color-opt.selected { border-color: var(--text); box-shadow: 0 0 8px currentColor; }

.btn-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.btn {
  padding: 10px 20px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface2);
  color: var(--text); font-family: 'Rajdhani', sans-serif;
  font-size: 15px; font-weight: 600; cursor: pointer; transition: all 0.2s;
  display: flex; align-items: center; gap: 6px;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #000; font-weight: 700; }
.btn.primary:hover { opacity: 0.85; }
.btn.danger { border-color: var(--red); color: var(--red); }
.btn.danger:hover { background: rgba(255,51,85,0.08); }
.btn.success { border-color: var(--green); color: var(--green); }
.btn.success:hover { background: rgba(0,255,136,0.08); }

/* URL CAPTURE */
.url-capture-wrap { position: relative; }
.url-capture-input {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 12px; padding: 14px 140px 14px 16px;
  color: var(--text); font-family: 'Rajdhani', sans-serif;
  font-size: 15px; outline: none; transition: all 0.2s;
  width: 100%;
}
.url-capture-input:focus { border-color: var(--accent); box-shadow: var(--glow); }
.url-capture-btn {
  position: absolute; right: 6px; top: 50%;
  transform: translateY(-50%);
  padding: 8px 16px; border-radius: 8px;
  border: none; background: var(--accent);
  color: #000; font-family: 'Orbitron', monospace;
  font-size: 11px; letter-spacing: 1px;
  cursor: pointer; transition: all 0.2s; font-weight: 700;
}
.url-capture-btn:hover { opacity: 0.85; }
.url-capture-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.capture-result {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px; margin-top: 12px;
  display: none;
}
.capture-result.visible { display: block; }
.capture-url {
  font-family: 'Orbitron', monospace; font-size: 11px;
  color: var(--green); word-break: break-all;
  background: rgba(0,255,136,0.05);
  border: 1px solid rgba(0,255,136,0.2);
  border-radius: 8px; padding: 10px 12px;
  margin-top: 8px;
}

/* STATIONS TABLE */
.stations-table {
  width: 100%; border-collapse: collapse;
}
.stations-table th {
  font-family: 'Orbitron', monospace; font-size: 10px;
  letter-spacing: 1px; color: var(--text3);
  text-transform: uppercase; padding: 10px 14px;
  text-align: left; border-bottom: 1px solid var(--border);
}
.stations-table td {
  padding: 14px; border-bottom: 1px solid var(--border);
  font-size: 14px; vertical-align: middle;
}
.stations-table tr:last-child td { border-bottom: none; }
.stations-table tr:hover td { background: var(--surface2); }
.station-row-logo { font-size: 22px; }
.station-row-name { font-weight: 600; font-size: 15px; }
.station-row-url {
  font-size: 11px; color: var(--text3);
  font-family: 'Orbitron', monospace;
  max-width: 180px; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap;
}

.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 8px; border-radius: 6px;
  font-size: 11px; font-family: 'Orbitron', monospace;
  letter-spacing: 1px;
}
.badge.live { background: rgba(0,255,136,0.1); color: var(--green); border: 1px solid rgba(0,255,136,0.3); }
.badge.offline { background: rgba(255,51,85,0.1); color: var(--red); border: 1px solid rgba(255,51,85,0.3); }
.badge.checking { background: rgba(255,149,0,0.1); color: var(--orange); border: 1px solid rgba(255,149,0,0.3); }
.live-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; animation: blink 2s ease-in-out infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

.action-btns { display: flex; gap: 6px; }
.action-btn {
  width: 30px; height: 30px; border-radius: 7px;
  border: 1px solid var(--border); background: transparent;
  color: var(--text3); display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 13px; transition: all 0.2s;
}
.action-btn:hover { border-color: var(--accent); color: var(--accent); }
.action-btn.del:hover { border-color: var(--red); color: var(--red); }
.action-btn.refresh:hover { border-color: var(--green); color: var(--green); }

/* NOTIFICATION COMPOSER */
.msg-type-toggle {
  display: flex; gap: 8px; margin-bottom: 16px;
}
.msg-type-btn {
  flex: 1; padding: 10px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--bg3);
  color: var(--text2); text-align: center; cursor: pointer;
  font-family: 'Rajdhani', sans-serif; font-size: 14px;
  transition: all 0.2s;
}
.msg-type-btn.active {
  border-color: var(--accent); color: var(--accent);
  background: rgba(0,212,255,0.08);
}

.level-select { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.level-opt {
  padding: 6px 14px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--border); font-size: 13px;
  transition: all 0.2s;
}
.level-opt[data-level="info"].active { border-color: var(--accent); color: var(--accent); background: rgba(0,212,255,0.08); }
.level-opt[data-level="success"].active { border-color: var(--green); color: var(--green); background: rgba(0,255,136,0.08); }
.level-opt[data-level="warning"].active { border-color: var(--orange); color: var(--orange); background: rgba(255,149,0,0.08); }
.level-opt[data-level="error"].active { border-color: var(--red); color: var(--red); background: rgba(255,51,85,0.08); }

.msg-preview {
  background: var(--bg3); border: 1px dashed var(--border);
  border-radius: 12px; padding: 16px; margin-top: 12px;
}
.msg-preview-label {
  font-family: 'Orbitron', monospace; font-size: 10px;
  color: var(--text3); letter-spacing: 1px; margin-bottom: 10px;
}

/* SCHEDULED TABLE */
.sched-table { width: 100%; border-collapse: collapse; }
.sched-table th {
  font-family: 'Orbitron', monospace; font-size: 10px;
  color: var(--text3); padding: 8px 12px;
  text-align: left; border-bottom: 1px solid var(--border);
}
.sched-table td { padding: 12px; border-bottom: 1px solid var(--border); font-size: 14px; }
.sched-table tr:last-child td { border-bottom: none; }

/* TOAST */
#toast-container {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 9999; display: flex; flex-direction: column; gap: 10px; pointer-events: none;
}
.toast {
  background: var(--surface); border: 1px solid var(--border);
  border-left: 4px solid var(--accent); border-radius: 12px;
  padding: 14px 18px; min-width: 280px; max-width: 360px;
  box-shadow: var(--shadow); pointer-events: all;
  animation: toast-in 0.4s cubic-bezier(0.34,1.56,0.64,1);
  position: relative;
}
@keyframes toast-in { from{opacity:0;transform:translateX(100px) scale(0.8)} to{opacity:1;transform:translateX(0) scale(1)} }
.toast.out { animation: toast-out 0.3s ease forwards; }
@keyframes toast-out { to{opacity:0;transform:translateX(100px)} }
.toast-type-success { border-left-color: var(--green); }
.toast-type-warning { border-left-color: var(--orange); }
.toast-type-error { border-left-color: var(--red); }
.toast-header { display:flex;align-items:center;gap:8px;margin-bottom:4px; }
.toast-icon { font-size: 16px; }
.toast-title { font-family:'Orbitron',monospace;font-size:13px;font-weight:700; }
.toast-body { font-size:14px;color:var(--text2);line-height:1.4; }
.toast-close { position:absolute;top:10px;right:10px;background:none;border:none;color:var(--text3);cursor:pointer;font-size:14px; }
.toast-progress { position:absolute;bottom:0;left:0;height:2px;background:var(--accent);animation:progress linear forwards; }
.toast-type-success .toast-progress { background:var(--green); }
.toast-type-warning .toast-progress { background:var(--orange); }
.toast-type-error .toast-progress { background:var(--red); }
@keyframes progress { from{width:100%} to{width:0%} }

/* MODAL */
.modal-overlay {
  position:fixed;inset:0;background:rgba(0,0,0,0.75);backdrop-filter:blur(10px);
  z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px;
  opacity:0;pointer-events:none;transition:opacity 0.3s;
}
.modal-overlay.open { opacity:1;pointer-events:all; }
.modal {
  background:var(--surface);border:1px solid var(--border);border-radius:20px;
  padding:32px;max-width:460px;width:100%;box-shadow:0 32px 80px rgba(0,0,0,0.7);
  transform:scale(0.9) translateY(20px);transition:transform 0.3s cubic-bezier(0.34,1.56,0.64,1);
}
.modal-overlay.open .modal { transform:scale(1) translateY(0); }
.modal-icon { font-size:44px;text-align:center;margin-bottom:14px; }
.modal-title { font-family:'Orbitron',monospace;font-size:18px;text-align:center;margin-bottom:10px; }
.modal-body { color:var(--text2);text-align:center;line-height:1.6;margin-bottom:22px;font-size:15px; }
.modal-actions { display:flex;gap:10px;justify-content:center; }
.btn-modal { padding:10px 22px;border-radius:10px;border:1px solid var(--border);background:var(--bg3);color:var(--text);font-family:'Rajdhani',sans-serif;font-size:15px;cursor:pointer;transition:all 0.2s; }
.btn-modal.primary { background:var(--red);border-color:var(--red);color:#fff;font-weight:700; }
.btn-modal:hover { opacity:0.8; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

@media (max-width: 900px) {
  .admin-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; flex-direction: row; overflow-x: auto; padding: 12px; flex-wrap: wrap; }
  .nav-label { display: none; }
  .nav-item { flex-direction: column; gap: 4px; padding: 8px 12px; font-size: 11px; min-width: 60px; text-align: center; }
}

.spin { animation: spin 1s linear infinite; display:inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

.update-timer {
  font-family: 'Orbitron', monospace; font-size: 11px;
  color: var(--text3); display: flex; align-items: center; gap: 6px;
}
.timer-bar {
  height: 4px; border-radius: 2px;
  background: var(--border); overflow: hidden; flex: 1;
}
.timer-fill {
  height: 100%; background: var(--accent);
  border-radius: 2px; transition: width 1s linear;
}

.empty-row td { text-align: center; color: var(--text3); padding: 40px; font-size: 15px; }