/* ============================================================
   Arcenia Dashboard v3 — Modern Glassmorphism Dark Theme
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg: #0a0b0f;
  --bg-gradient: radial-gradient(ellipse at 20% 0%, rgba(88,101,242,0.08) 0%, transparent 50%),
                 radial-gradient(ellipse at 80% 100%, rgba(59,165,93,0.05) 0%, transparent 50%);
  --surface: rgba(16,17,22,0.7);
  --surface-solid: #121318;
  --surface-hover: rgba(26,27,34,0.8);
  --glass: rgba(20,21,28,0.6);
  --glass-border: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.08);
  --text: #f0f0f5;
  --text-secondary: #8b8f99;
  --accent: #5865f2;
  --accent-glow: rgba(88,101,242,0.25);
  --accent-hover: #6b75f5;
  --success: #3ba55d;
  --success-glow: rgba(59,165,93,0.2);
  --danger: #ed4245;
  --danger-glow: rgba(237,66,69,0.2);
  --warning: #fee75c;
  --warning-glow: rgba(254,231,92,0.15);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --sidebar-width: 240px;
  --header-height: 64px;
  --shadow: 0 8px 32px rgba(0,0,0,0.3);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  background-image: var(--bg-gradient);
  color: var(--text);
  line-height: 1.6;
  display: flex;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
  width: var(--sidebar-width);
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 200;
}

.sidebar-brand {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 24px;
  font-weight: 800;
  font-size: 1.15rem;
  border-bottom: 1px solid var(--glass-border);
  letter-spacing: -0.3px;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--glass-border);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.nav-item::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  width: 3px; height: 0;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
  transition: var(--transition);
  transform: translateY(-50%);
}

.nav-item:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.nav-item.active {
  background: var(--accent-glow);
  color: var(--accent);
}

.nav-item.active::before {
  height: 60%;
}

.nav-icon { font-size: 1.1rem; line-height: 1; }

/* ============================================================
   APP LAYOUT
   ============================================================ */
.app {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-header {
  height: var(--header-height);
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-title {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  letter-spacing: -0.2px;
}

.header-user {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 14px;
  background: var(--surface-hover);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
}

.user-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-glow);
}

.user-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.user-role {
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.app-main {
  flex: 1;
  padding: 28px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

/* ============================================================
   PANELS & CARDS
   ============================================================ */
.panel {
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.panel:hover {
  border-color: rgba(255,255,255,0.1);
  box-shadow: var(--shadow);
}

.panel h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
}

@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; }
  .sidebar { width: 64px; }
  .sidebar-brand { justify-content: center; padding: 0; font-size: 1.3rem; }
  .nav-label { display: none; }
  .app { margin-left: 64px; }
}

/* ============================================================
   STAT CARDS
   ============================================================ */
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.stat-cell {
  background: var(--glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.stat-cell::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #a78bfa);
  opacity: 0.6;
}

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

.stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-top: 4px;
}

.stat-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 8px;
  font-weight: 500;
}

/* Color variants */
.stat-cell.success::after { background: linear-gradient(90deg, var(--success), #4ade80); }
.stat-cell.danger::after { background: linear-gradient(90deg, var(--danger), #f87171); }
.stat-cell.warning::after { background: linear-gradient(90deg, var(--warning), #fbbf24); }
.stat-cell.info::after { background: linear-gradient(90deg, #38bdf8, #60a5fa); }

/* ============================================================
   TABLES
   ============================================================ */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.88rem;
}

.data-table th,
.data-table td {
  padding: 12px 16px;
  text-align: left;
}

.data-table th {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  background: var(--surface-hover);
  border-bottom: 1px solid var(--border);
}

.data-table th:first-child { border-radius: var(--radius-sm) 0 0 0; }
.data-table th:last-child { border-radius: 0 var(--radius-sm) 0 0; }

.data-table td {
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.data-table tbody tr:hover td {
  background: rgba(255,255,255,0.02);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table.compact th,
.data-table.compact td {
  padding: 10px 12px;
}

/* ============================================================
   BADGES
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--accent-glow);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
}

.badge-success { background: var(--success-glow); color: var(--success); }
.badge-danger { background: var(--danger-glow); color: var(--danger); }
.badge-warning { background: var(--warning-glow); color: var(--warning); }

/* ============================================================
   CODE & MONOSPACE
   ============================================================ */
code {
  font-family: 'JetBrains Mono', 'Consolas', monospace;
  font-size: 0.82rem;
  background: rgba(255,255,255,0.04);
  padding: 3px 8px;
  border-radius: 6px;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

/* ============================================================
   ALERTS
   ============================================================ */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-success {
  background: rgba(59,165,93,0.08);
  color: var(--success);
  border: 1px solid rgba(59,165,93,0.15);
}

.alert-error {
  background: rgba(237,66,69,0.08);
  color: var(--danger);
  border: 1px solid rgba(237,66,69,0.15);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), #7c6cf0);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 4px 12px var(--accent-glow);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
  filter: brightness(1.1);
}

.btn-small { padding: 6px 12px; font-size: 0.8rem; }

/* Discord login button */
.btn-discord {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px;
  margin-top: 20px;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #5865f2, #7c6cf0);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(88,101,242,0.3);
}

.btn-discord:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(88,101,242,0.4);
}

/* ============================================================
   FORMS
   ============================================================ */
.config-form textarea {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-family: 'JetBrains Mono', 'Consolas', monospace;
  font-size: 0.85rem;
  resize: vertical;
  line-height: 1.6;
  transition: var(--transition);
}

.config-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-actions { margin-top: 16px; }

/* ============================================================
   FILE LIST
   ============================================================ */
.file-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.file-list li {
  background: var(--glass);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.file-list li:hover {
  border-color: rgba(255,255,255,0.12);
  transform: translateX(4px);
}

.file-list a {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
}

.file-list a:hover { text-decoration: underline; }

/* ============================================================
   UTILITY
   ============================================================ */
.muted { color: var(--text-secondary); }

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  width: 100%;
  background: var(--bg);
  background-image: var(--bg-gradient);
}

.login-box {
  background: var(--glass);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  width: 100%;
  max-width: 420px;
  text-align: center;
  box-shadow: var(--shadow);
}

.login-brand {
  font-weight: 800;
  font-size: 1.6rem;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-box h2 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.login-box .muted {
  font-size: 0.9rem;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

/* ============================================================
   FLASH MESSAGES
   ============================================================ */
.flash-messages { margin-bottom: 20px; }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.panel, .stat-cell {
  animation: fadeIn 0.4s ease-out;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }