/* ===== CSS Variables - Solo Leveling Theme ===== */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --primary-glow: rgba(99, 102, 241, 0.4);
  --secondary: #10b981;
  --secondary-glow: rgba(16, 185, 129, 0.4);
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.4);
  --warning: #f59e0b;
  --warning-glow: rgba(245, 158, 11, 0.4);

  --dark: #0a0e1a;
  --dark-light: #111827;
  --dark-lighter: #1f2937;
  --dark-card: rgba(17, 24, 39, 0.85);

  --text: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --border: rgba(99, 102, 241, 0.2);
  --border-strong: rgba(99, 102, 241, 0.35);

  --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px var(--primary-glow);

  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  --sidebar-width: 280px;
  --sidebar-collapsed: 76px;
}

/* ===== Light Mode ===== */
body.light-mode {
  --dark: #f1f5f9;
  --dark-light: #ffffff;
  --dark-lighter: #e2e8f0;
  --dark-card: rgba(255, 255, 255, 0.9);
  --text: #0f172a;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --border: rgba(99, 102, 241, 0.15);
  --border-strong: rgba(99, 102, 241, 0.25);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
}

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

body {
  font-family: "Cairo", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--dark);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

.hidden {
  display: none !important;
}

/* ===== Toast Notifications ===== */
#toast-container {
  position: fixed;
  top: 24px;
  left: 24px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  background: var(--dark-card);
  backdrop-filter: blur(12px);
  border-right: 3px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 16px 22px;
  min-width: 300px;
  max-width: 420px;
  box-shadow:
    var(--shadow-lg),
    0 0 15px var(--primary-glow);
  display: flex;
  align-items: center;
  gap: 14px;
  animation: toastSlide 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: all;
}

.toast.success {
  border-right-color: var(--secondary);
  box-shadow:
    var(--shadow-lg),
    0 0 15px var(--secondary-glow);
}
.toast.error {
  border-right-color: var(--danger);
  box-shadow:
    var(--shadow-lg),
    0 0 15px var(--danger-glow);
}
.toast.warning {
  border-right-color: var(--warning);
  box-shadow:
    var(--shadow-lg),
    0 0 15px var(--warning-glow);
}

.toast i {
  font-size: 20px;
  flex-shrink: 0;
}
.toast.success i {
  color: var(--secondary);
}
.toast.error i {
  color: var(--danger);
}
.toast.warning i {
  color: var(--warning);
}

@keyframes toastSlide {
  from {
    transform: translateX(-120%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ===== Loading Overlay - Dungeon Gate ===== */
#loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  z-index: 9999;
}

.loading-gate {
  position: relative;
  width: 120px;
  height: 120px;
}

.gate-frame {
  position: absolute;
  inset: 0;
  border: 3px solid var(--primary);
  border-radius: 50%;
  animation: gatePulse 2s ease-in-out infinite;
}

.gate-glow {
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
  animation: gateGlow 2s ease-in-out infinite;
}

@keyframes gatePulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.7;
  }
}

@keyframes gateGlow {
  0%,
  100% {
    opacity: 0.5;
  }
  50% {
    opacity: 1;
  }
}

#loading-overlay p {
  color: var(--text-muted);
  font-size: 16px;
  letter-spacing: 1px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* ===== Auth Overlay ===== */
#auth-overlay {
  position: fixed;
  inset: 0;
  background: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9998;
}

.auth-message {
  text-align: center;
  padding: 48px;
}
.auth-message i {
  font-size: 72px;
  color: var(--primary);
  margin-bottom: 24px;
  text-shadow: 0 0 30px var(--primary-glow);
}
.auth-message p {
  font-size: 22px;
  margin-bottom: 28px;
  color: var(--text-muted);
}

/* ===== App Layout ===== */
#app {
  display: flex;
  min-height: 100vh;
}

/* ===== Sidebar ===== */
#sidebar {
  width: var(--sidebar-width);
  background: var(--dark-light);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: fixed;
  right: 0;
  top: 0;
  bottom: 0;
  z-index: 100;
  overflow-y: auto;
  overflow-x: hidden;
}

#sidebar.collapsed {
  width: var(--sidebar-collapsed);
}

#sidebar.collapsed .nav-menu span,
#sidebar.collapsed .sidebar-footer span,
#sidebar.collapsed .logo-text,
#sidebar.collapsed .sidebar-user-details,
#sidebar.collapsed .xp-sidebar {
  display: none;
}

#sidebar.collapsed .user-sidebar-info {
  justify-content: center;
  padding: 16px 8px;
}

#sidebar.collapsed .user-sidebar-info img {
  width: 44px;
  height: 44px;
}

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

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

.logo-icon {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon i {
  font-size: 26px;
  color: var(--primary);
  position: relative;
  z-index: 2;
}

.logo-glow {
  position: absolute;
  inset: 0;
  background: var(--primary);
  border-radius: 10px;
  opacity: 0.2;
  filter: blur(8px);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
}

.logo-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.sidebar-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.sidebar-toggle:hover {
  color: var(--text);
  background: var(--dark-lighter);
}

/* User Sidebar Info */
.user-sidebar-info {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}

.user-sidebar-info img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
  box-shadow: 0 0 10px var(--primary-glow);
}

.sidebar-user-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
}

.sidebar-user-details span:first-child {
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

.rank-tag {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.rank-tag.large {
  padding: 6px 18px;
  font-size: 14px;
}

/* Nav Menu */
.nav-menu {
  list-style: none;
  padding: 12px;
  flex: 1;
  overflow-y: auto;
}

.nav-menu li {
  margin-bottom: 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.nav-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dark-lighter);
  transition: var(--transition);
  flex-shrink: 0;
}

.nav-icon i {
  font-size: 16px;
}

.nav-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent,
    var(--primary-glow),
    transparent
  );
  opacity: 0;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-light);
  background: rgba(99, 102, 241, 0.1);
}

.nav-link:hover .nav-icon,
.nav-link.active .nav-icon {
  background: var(--primary);
  color: white;
  box-shadow: 0 0 15px var(--primary-glow);
}

.nav-link:hover .nav-glow,
.nav-link.active .nav-glow {
  opacity: 1;
}

.nav-link .badge {
  margin-right: auto;
  background: var(--danger);
  color: white;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--border);
}

.xp-sidebar {
  margin-bottom: 12px;
}

.xp-bar-mini {
  width: 100%;
  height: 4px;
  background: var(--dark-lighter);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 6px;
}

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

.xp-sidebar span {
  font-size: 11px;
  color: var(--text-muted);
}

.btn-logout {
  width: 100%;
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-logout:hover {
  background: rgba(239, 68, 68, 0.2);
  box-shadow: 0 0 15px var(--danger-glow);
}

/* ===== Main Content ===== */
#main-content {
  flex: 1;
  margin-right: var(--sidebar-width);
  transition: var(--transition);
  min-height: 100vh;
}

#sidebar.collapsed ~ #main-content {
  margin-right: var(--sidebar-collapsed);
}

/* ===== Top Header ===== */
.top-header {
  background: var(--dark-light);
  border-bottom: 1px solid var(--border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
}

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

.page-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
  box-shadow: 0 0 15px var(--primary-glow);
}

.header-left h2 {
  font-size: 22px;
  font-weight: 700;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Header Rank */
.header-rank {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--dark-lighter);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.rank-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 14px;
}

.rank-info {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.rank-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary-light);
}

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

/* Header XP */
.header-xp {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 160px;
}

.xp-track {
  width: 100%;
  height: 8px;
  background: var(--dark-lighter);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.xp-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 4px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.xp-shine {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  animation: xpShine 2s ease-in-out infinite;
}

@keyframes xpShine {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.xp-label {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
}

/* Notification Wrapper */
.notification-wrapper {
  position: relative;
}

.icon-btn {
  background: var(--dark-lighter);
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  font-size: 16px;
}

.icon-btn:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: 0 0 15px var(--primary-glow);
}

.glow-btn:hover {
  box-shadow: 0 0 20px var(--primary-glow);
}

#notification-badge {
  position: absolute;
  top: -4px;
  left: -4px;
  min-width: 18px;
  height: 18px;
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--danger);
  color: white;
  border-radius: 50%;
  font-weight: 700;
  padding: 0 5px;
}

/* Notification Panel */
.notification-panel {
  position: absolute;
  top: 100%;
  left: 100%;
  width: 380px;
  max-height: 480px;
  background: var(--dark-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow:
    var(--shadow-lg),
    0 0 30px rgba(0, 0, 0, 0.3);
  z-index: 200;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

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

.notification-header h3 {
  font-size: 16px;
  font-weight: 700;
}

.text-btn {
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: var(--transition);
  font-family: inherit;
}

.text-btn:hover {
  color: var(--primary-light);
  text-shadow: 0 0 10px var(--primary-glow);
}

.notification-list {
  overflow-y: auto;
  flex: 1;
  padding: 8px;
}

.notification-item {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: flex-start;
  gap: 14px;
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 4px;
  border: 1px solid transparent;
}

.notification-item:hover {
  background: var(--dark-lighter);
  border-color: var(--border);
}

.notification-item.unread {
  background: rgba(99, 102, 241, 0.08);
  border-color: rgba(99, 102, 241, 0.15);
}

.notification-item.unread:hover {
  background: rgba(99, 102, 241, 0.15);
}

.notification-item i {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.notification-item.friend-request i {
  background: rgba(99, 102, 241, 0.2);
  color: var(--primary);
}
.notification-item.quest-complete i {
  background: rgba(16, 185, 129, 0.2);
  color: var(--secondary);
}
.notification-item.skill-unlock i {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning);
}

.notification-content {
  flex: 1;
}
.notification-content p {
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 4px;
}
.notification-content .time {
  font-size: 11px;
  color: var(--text-dim);
}

.notification-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.notification-actions button {
  padding: 6px 14px;
  border-radius: 6px;
  border: none;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.notification-actions .btn-accept {
  background: var(--secondary);
  color: white;
}
.notification-actions .btn-accept:hover {
  box-shadow: 0 0 10px var(--secondary-glow);
}

.notification-actions .btn-decline {
  background: var(--dark-lighter);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

/* User Mini */
.user-mini {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-mini img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
  box-shadow: 0 0 10px var(--primary-glow);
}

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

.user-mini-info span:first-child {
  font-weight: 600;
  font-size: 14px;
}

.user-rank-tag {
  font-size: 11px;
  color: var(--primary-light);
  font-weight: 700;
}

/* ===== Pages ===== */
#pages-container {
  padding: 28px;
}

.page {
  display: none;
  animation: pageEnter 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.page.active {
  display: block;
}

@keyframes pageEnter {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Page Hero */
.page-hero {
  position: relative;
  padding: 32px 0;
  margin-bottom: 28px;
  text-align: center;
}

.page-hero.small {
  padding: 20px 0;
  margin-bottom: 20px;
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 100px;
  background: radial-gradient(ellipse, var(--primary-glow) 0%, transparent 70%);
  opacity: 0.5;
  pointer-events: none;
}

.page-hero-title {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--text), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero-subtitle {
  font-size: 15px;
  color: var(--text-muted);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  font-family: inherit;
  white-space: nowrap;
}

.btn-glow {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-glow:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
}

.btn-secondary {
  background: var(--dark-lighter);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: #374151;
  border-color: var(--border-strong);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background: var(--danger);
  color: white;
  box-shadow: 0 0 15px var(--danger-glow);
}

.btn-outline-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.btn-outline-danger:hover {
  background: rgba(239, 68, 68, 0.15);
  box-shadow: 0 0 10px var(--danger-glow);
}

.btn-success {
  background: var(--secondary);
  color: white;
}

.btn-block {
  width: 100%;
}

/* ===== Modal ===== */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

body.light-mode .modal {
  background: rgba(0, 0, 0, 0.5);
}

.modal-content {
  background: var(--dark-card);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--border-strong);
  box-shadow:
    var(--shadow-lg),
    0 0 40px rgba(0, 0, 0, 0.3);
  animation: modalEnter 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes modalEnter {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-header {
  padding: 22px 28px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.modal-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
  box-shadow: 0 0 15px var(--primary-glow);
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 28px;
  cursor: pointer;
  transition: var(--transition);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.modal-close:hover {
  color: var(--danger);
  background: rgba(239, 68, 68, 0.1);
}

.modal-body {
  padding: 24px 28px;
}

.modal-footer {
  padding: 18px 28px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* ===== Form Elements ===== */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 14px;
  transition: var(--transition);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow:
    0 0 0 3px var(--primary-glow),
    0 0 15px var(--primary-glow);
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

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

/* Icon Select */
.icon-select {
  padding: 14px 16px;
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
}

input[type="color"] {
  width: 100%;
  height: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: none;
  padding: 4px;
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  color: var(--text-dim);
  padding: 48px;
  font-size: 14px;
}

.empty-state-box {
  text-align: center;
  padding: 64px 24px;
  color: var(--text-dim);
}

.empty-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--dark-lighter);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 32px;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

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

.mobile-overlay.active {
  display: block;
}

.mobile-menu-toggle {
  display: none;
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 101;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--dark-light);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
}

body.mobile-nav-open .mobile-menu-toggle {
  right: calc(var(--sidebar-width) + 16px);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }
  #sidebar-toggle {
    display: none;
  }

  #sidebar {
    transform: translateX(100%);
    width: var(--sidebar-width);
    transition: transform 0.3s ease;
  }

  #sidebar.mobile-open {
    transform: translateX(0);
  }

  /* Reset collapsed styles on mobile so sidebar stays full when opened */
  #sidebar.collapsed {
    width: var(--sidebar-width);
  }

  #sidebar.collapsed .nav-menu span,
  #sidebar.collapsed .sidebar-footer span,
  #sidebar.collapsed .logo-text,
  #sidebar.collapsed .sidebar-user-details,
  #sidebar.collapsed .xp-sidebar {
    display: initial;
  }

  #sidebar.collapsed .user-sidebar-info {
    justify-content: flex-start;
    padding: 16px 20px;
  }

  #sidebar.collapsed .user-sidebar-info img {
    width: 48px;
    height: 48px;
  }

  #main-content {
    margin-right: 0 !important;
    padding-top: 72px;
  }

  #sidebar.collapsed ~ #main-content {
    margin-right: 0 !important;
  }

  .notification-panel {
    width: calc(100vw - 40px);
    left: -50px;
  }

  .top-header {
    padding: 12px 16px;
    padding-top: 72px;
  }

  .header-rank,
  .header-xp {
    display: none;
  }

  .user-mini-info {
    display: none;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  #pages-container {
    padding: 16px;
  }
}

@media (max-width: 480px) {
  .page-hero-title {
    font-size: 20px;
  }

  .modal-content {
    border-radius: var(--radius);
  }

  .modal-header,
  .modal-body,
  .modal-footer {
    padding-left: 20px;
    padding-right: 20px;
  }
}

/* ===== Onboarding Modal ===== */
.onboarding-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
}

.onboarding-overlay.active {
  opacity: 1;
  visibility: visible;
}

.onboarding-modal {
  background: var(--dark-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow:
    var(--shadow-lg),
    0 0 60px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  position: relative;
  transform: scale(0.95) translateY(10px);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.onboarding-overlay.active .onboarding-modal {
  transform: scale(1) translateY(0);
}

.onboarding-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
}

.onboarding-header h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-muted);
}

.onboarding-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition);
}

.onboarding-close:hover {
  color: var(--danger);
  background: rgba(239, 68, 68, 0.1);
}

.onboarding-body {
  padding: 32px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.onboarding-slides {
  width: 100%;
}

.onboarding-slide {
  display: none;
  animation: slideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.onboarding-slide.active {
  display: block;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.onboarding-icon-wrap {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 32px;
  color: white;
  box-shadow: 0 0 30px var(--primary-glow);
  position: relative;
}

.onboarding-icon-wrap::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  opacity: 0.3;
  animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.3;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.1;
  }
}

.onboarding-title {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 14px;
  background: linear-gradient(135deg, var(--text), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.onboarding-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 420px;
  margin: 0 auto;
}

.onboarding-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
}

.onboarding-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--dark-lighter);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}

.onboarding-dot.active {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 0 10px var(--primary-glow);
  transform: scale(1.2);
}

.onboarding-footer {
  padding: 18px 28px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.onboarding-checkbox-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-muted);
  cursor: pointer;
}

.onboarding-checkbox-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

.onboarding-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.onboarding-nav .btn {
  min-width: 100px;
}

.onboarding-nav .btn-ghost {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  padding: 10px 16px;
  transition: var(--transition);
  font-family: inherit;
}

.onboarding-nav .btn-ghost:hover {
  color: var(--text);
}

/* ===== Responsive Onboarding ===== */
@media (max-width: 768px) {
  .onboarding-modal {
    max-width: 92vw;
    border-radius: var(--radius);
  }

  .onboarding-header {
    padding: 16px 20px;
  }

  .onboarding-body {
    padding: 24px 20px;
  }

  .onboarding-icon-wrap {
    width: 64px;
    height: 64px;
    font-size: 24px;
    margin-bottom: 18px;
  }

  .onboarding-title {
    font-size: 20px;
  }

  .onboarding-desc {
    font-size: 14px;
    line-height: 1.6;
  }

  .onboarding-footer {
    padding: 14px 20px 20px;
  }

  .onboarding-nav .btn {
    min-width: 80px;
    padding: 8px 16px;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .onboarding-overlay {
    padding: 12px;
  }

  .onboarding-modal {
    max-width: 96vw;
    max-height: 92vh;
  }

  .onboarding-title {
    font-size: 18px;
  }

  .onboarding-desc {
    font-size: 13px;
  }

  .onboarding-nav {
    gap: 8px;
  }

  .onboarding-nav .btn {
    min-width: 70px;
    padding: 8px 12px;
    font-size: 12px;
  }

  .onboarding-nav .btn-ghost {
    font-size: 13px;
    padding: 8px 10px;
  }
}