:root {
  --bg-primary: #0a0b10;
  --bg-secondary: #12131a;
  --bg-panel: rgba(22, 24, 37, 0.7);
  --border-color: rgba(255, 255, 255, 0.08);
  --accent-color: #5865F2; /* Discord color */
  --accent-hover: #4752C4;
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
}

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

body {
  font-family: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(circle at top right, #1a1b3a 0%, var(--bg-primary) 60%);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
}

/* Glassmorphism panel */
.glass-panel {
  background: var(--bg-panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

/* Authentication Page Container */
.auth-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
}

.auth-card {
  width: 100%;
  max-width: 480px;
  padding: 3rem 2rem;
  text-align: center;
}

.auth-logo {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  border: 2px solid var(--accent-color);
  margin-bottom: 1.5rem;
  box-shadow: 0 0 20px rgba(88, 101, 242, 0.4);
}

.auth-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.auth-desc {
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.875rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(88, 101, 242, 0.4);
}

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

.btn-success:hover {
  background-color: #059669;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

/* Dashboard Layout */
.dashboard-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar navigation */
.sidebar {
  width: 280px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.sidebar-logo {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

.sidebar-title {
  font-weight: 700;
  font-size: 1.2rem;
}

.sidebar-user {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.user-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.user-logout {
  margin-left: auto;
  color: var(--text-muted);
  cursor: pointer;
  text-decoration: none;
}

.user-logout:hover {
  color: var(--danger);
}

/* Nav Menu */
.nav-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.nav-item:hover, .nav-item.active {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.nav-item.active {
  border-left: 3px solid var(--accent-color);
  padding-left: calc(1rem - 3px);
}

/* Main Content Area */
.main-content {
  margin-left: 280px;
  flex: 1;
  padding: 3rem;
  max-width: 1200px;
}

.header-section {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
}

.page-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Settings Form Grid */
.settings-section {
  display: none;
}

.settings-section.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.form-group-full {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

input[type="text"], input[type="number"], select, textarea {
  background-color: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(88, 101, 242, 0.25);
}

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

/* Toast/Alert banner */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  color: white;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  animation: slideUp 0.4s ease, fadeOut 0.4s ease 3.5s forwards;
  z-index: 1000;
}

.toast-success {
  background-color: var(--success);
}

.toast-error {
  background-color: var(--danger);
}

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

@keyframes slideUp {
  from { transform: translateY(100px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; pointer-events: none; }
}

/* Modals */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

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

.modal-content {
  width: 100%;
  max-width: 500px;
  padding: 2.5rem;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
}

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

/* Sub-tabs */
.sub-tabs-container {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.sub-tab-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: all 0.2s;
}

.sub-tab-btn.active {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border-bottom: 2px solid var(--accent-color);
}

/* Dynamic Cards Lists */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.card-item {
  position: relative;
  padding: 1.5rem;
}

.card-delete-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.card-delete-btn:hover {
  background: var(--danger);
  color: white;
  transform: scale(1.1);
}

.details-list-input {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.details-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Question List Layout */
.question-row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
  background: rgba(255, 255, 255, 0.02);
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.question-row textarea {
  flex: 1;
}

.delete-action-btn {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 6px;
  padding: 0.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  height: 38px;
  width: 38px;
}

.delete-action-btn:hover {
  background: var(--danger);
  color: white;
}

/* Centralized Hover Tooltips */
.tooltip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: help;
  font-size: 0.85rem;
  margin-left: 6px;
  color: var(--text-secondary);
  position: relative;
}

.tooltip-icon::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%) translateY(5px);
  background: rgba(15, 17, 26, 0.98);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.6rem 0.85rem;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: normal;
  line-height: 1.4;
  white-space: normal;
  width: 250px;
  z-index: 9999;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: left;
}

.tooltip-icon:hover::before {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}