/* ==========================================================================
   Moto Adventures - Design System
   Dark adventure theme for motorcycle trip planner
   ========================================================================== */

/* ==========================================================================
   1. CSS Custom Properties
   ========================================================================== */

:root {
  /* Primary palette - Burnt Orange */
  --primary: #E07A2F;
  --primary-dark: #C4651F;
  --primary-light: #F0A060;

  /* Secondary palette - Forest Green */
  --secondary: #2D6A4F;
  --secondary-dark: #1B4332;
  --secondary-light: #52B788;

  /* Backgrounds */
  --bg-dark: #0F1923;
  --bg-card: #1A2A3A;
  --bg-input: #243447;

  /* Text */
  --text-primary: #E8E8E8;
  --text-secondary: #A0AEC0;
  --text-muted: #718096;

  /* Borders */
  --border: #2D3748;

  /* Status colors */
  --danger: #E53E3E;
  --success: #38A169;
  --warning: #D69E2E;
  --info: #3182CE;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;

  /* Border radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;

  /* Nav height */
  --nav-height: 64px;

  /* Font stack */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
  --font-mono: 'SF Mono', SFMono-Regular, Consolas, 'Liberation Mono', Menlo,
    monospace;
}

/* ==========================================================================
   2. CSS Reset & Base
   ========================================================================== */

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: var(--nav-height);
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-light);
}

ul,
ol {
  list-style: none;
}

/* ==========================================================================
   3. Container
   ========================================================================== */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.container-narrow {
  max-width: 720px;
}

/* ==========================================================================
   4. Navigation
   ========================================================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  white-space: nowrap;
}

.nav-brand:hover {
  color: var(--primary-light);
}

.nav-brand span {
  color: var(--text-primary);
  font-weight: 400;
  font-size: 0.9rem;
  display: none;
}

@media (min-width: 768px) {
  .nav-brand span {
    display: inline;
  }
}

.nav-links {
  display: none;
  flex-direction: column;
  position: absolute;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: var(--space-3);
  gap: var(--space-2);
}

.nav-links.active {
  display: flex;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
    flex-direction: row;
    position: static;
    background-color: transparent;
    border-bottom: none;
    padding: 0;
    gap: var(--space-4);
    align-items: center;
  }
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--text-primary);
  background-color: var(--bg-input);
}

.nav-links a.active {
  color: var(--primary);
  background-color: rgba(224, 122, 47, 0.1);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: auto;
  padding-left: var(--space-3);
}

.nav-user-name {
  color: var(--text-secondary);
  font-size: 0.85rem;
  display: none;
}

@media (min-width: 768px) {
  .nav-user-name {
    display: inline;
  }
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
}

/* ==========================================================================
   5. Typography
   ========================================================================== */

h1,
h2,
h3,
h4 {
  color: var(--text-primary);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-3);
}

h1 {
  font-size: 2rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.25rem;
}

h4 {
  font-size: 1.1rem;
}

p {
  margin-bottom: var(--space-3);
  color: var(--text-secondary);
}

small {
  font-size: 0.85rem;
  color: var(--text-muted);
}

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

.text-primary-color {
  color: var(--primary);
}

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

.text-danger {
  color: var(--danger);
}

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

@media (min-width: 768px) {
  h1 {
    font-size: 2.25rem;
  }

  h2 {
    font-size: 1.75rem;
  }
}

/* ==========================================================================
   6. Cards
   ========================================================================== */

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(224, 122, 47, 0.2);
}

.card-header {
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-3);
  border-bottom: 1px solid var(--border);
}

.card-header h3,
.card-header h4 {
  margin-bottom: 0;
}

.card-body {
  flex: 1;
}

.card-body p:last-child {
  margin-bottom: 0;
}

.card-footer {
  padding-top: var(--space-3);
  margin-top: var(--space-3);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
}

/* ==========================================================================
   7. Grid System
   ========================================================================== */

.grid {
  display: grid;
  gap: var(--space-4);
}

.grid-2 {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

.grid-3 {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

.grid-4 {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ==========================================================================
   8. Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.625rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 500;
  font-family: var(--font-family);
  line-height: 1.4;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast),
    color var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn-primary {
  background-color: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
}

.btn-secondary {
  background-color: var(--secondary);
  color: #fff;
  border-color: var(--secondary);
}

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

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: #fff;
}

.btn-danger {
  background-color: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

.btn-danger:hover {
  background-color: #C53030;
  border-color: #C53030;
  color: #fff;
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: var(--bg-input);
  color: var(--text-primary);
}

.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1.05rem;
}

.btn-xs {
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  line-height: 1.2;
}

/* Language switcher */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  margin-right: 0.5rem;
}

.lang-sep {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.lang-active {
  color: var(--primary) !important;
  font-weight: 700;
}

.login-lang {
  text-align: center;
  margin-bottom: 1rem;
}

/* ==========================================================================
   9. Forms
   ========================================================================== */

.form-group {
  margin-bottom: var(--space-4);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input[type='text'],
.form-group input[type='email'],
.form-group input[type='password'],
.form-group input[type='number'],
.form-group input[type='url'],
.form-group input[type='tel'],
.form-group input[type='search'],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.95rem;
  font-family: var(--font-family);
  color: var(--text-primary);
  background-color: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(224, 122, 47, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:disabled,
.form-group select:disabled,
.form-group textarea:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23A0AEC0' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.25rem;
}

.form-group small {
  display: block;
  margin-top: var(--space-1);
  color: var(--text-muted);
  font-size: 0.8rem;
}

.form-error {
  color: var(--danger);
  font-size: 0.85rem;
  margin-top: var(--space-1);
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: var(--danger);
}

.form-group.has-error label {
  color: var(--danger);
}

/* ==========================================================================
   10. Badges
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  white-space: nowrap;
  background-color: var(--bg-input);
  color: var(--text-secondary);
}

.badge-success {
  background-color: rgba(56, 161, 105, 0.15);
  color: var(--success);
}

.badge-warning {
  background-color: rgba(214, 158, 46, 0.15);
  color: var(--warning);
}

.badge-danger {
  background-color: rgba(229, 62, 62, 0.15);
  color: var(--danger);
}

.badge-info {
  background-color: rgba(49, 130, 206, 0.15);
  color: var(--info);
}

.badge-primary {
  background-color: rgba(224, 122, 47, 0.15);
  color: var(--primary);
}

/* ==========================================================================
   11. Bar Charts (Voting Results)
   ========================================================================== */

.bar-chart {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.bar-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.bar-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.bar-label {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 500;
}

.bar-value {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

.bar-track {
  width: 100%;
  height: 28px;
  background-color: var(--bg-input);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-sm);
  transition: width 0.6s ease;
  min-width: 0;
}

.bar-fill-secondary {
  background: linear-gradient(90deg, var(--secondary), var(--secondary-light));
}

.bar-fill-success {
  background: linear-gradient(90deg, var(--success), #68D391);
}

/* ==========================================================================
   12. Alerts
   ========================================================================== */

.alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  margin-bottom: var(--space-3);
  border: 1px solid transparent;
}

.alert-success {
  background-color: rgba(56, 161, 105, 0.1);
  color: #68D391;
  border-color: rgba(56, 161, 105, 0.3);
}

.alert-error {
  background-color: rgba(229, 62, 62, 0.1);
  color: #FC8181;
  border-color: rgba(229, 62, 62, 0.3);
}

.alert-info {
  background-color: rgba(49, 130, 206, 0.1);
  color: #63B3ED;
  border-color: rgba(49, 130, 206, 0.3);
}

.alert-warning {
  background-color: rgba(214, 158, 46, 0.1);
  color: #F6E05E;
  border-color: rgba(214, 158, 46, 0.3);
}

/* ==========================================================================
   13. Rating / Scores
   ========================================================================== */

.rating {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-weight: 700;
  font-size: 0.95rem;
}

.rating-5 {
  color: var(--success);
}

.rating-4 {
  color: var(--secondary-light);
}

.rating-3 {
  color: var(--warning);
}

.rating-2 {
  color: var(--danger);
}

.rating-1 {
  color: var(--danger);
}

.rating-label {
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   14. Loading Spinner
   ========================================================================== */

.spinner {
  display: inline-block;
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 18px;
  height: 18px;
  border-width: 2px;
}

.spinner-lg {
  width: 48px;
  height: 48px;
  border-width: 4px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  gap: var(--space-3);
  color: var(--text-muted);
}

/* ==========================================================================
   15. Vote Groups (Radio & Checkbox)
   ========================================================================== */

.vote-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.vote-group-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.vote-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background-color: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.vote-option:hover {
  border-color: var(--primary);
  background-color: rgba(224, 122, 47, 0.05);
}

.vote-option input[type='radio'],
.vote-option input[type='checkbox'] {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid var(--text-muted);
  background-color: var(--bg-dark);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.vote-option input[type='radio'] {
  border-radius: 50%;
}

.vote-option input[type='checkbox'] {
  border-radius: 4px;
}

.vote-option input[type='radio']:checked {
  border-color: var(--primary);
  background-color: var(--primary);
  box-shadow: inset 0 0 0 3px var(--bg-dark);
}

.vote-option input[type='checkbox']:checked {
  border-color: var(--primary);
  background-color: var(--primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='white' viewBox='0 0 16 16'%3E%3Cpath d='M13.485 3.929L6.5 10.914 2.515 6.929l1.414-1.414L6.5 8.086l5.571-5.571z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.vote-option input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.vote-option-selected {
  border-color: var(--primary);
  background-color: rgba(224, 122, 47, 0.08);
}

.vote-option-text {
  flex: 1;
}

.vote-option-text .option-title {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.vote-option-text .option-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.vote-placeholder {
  text-align: center;
  padding: var(--space-4) var(--space-3);
  color: var(--text-muted);
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
}

/* ==========================================================================
   16. Profile Section
   ========================================================================== */

.profile-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.profile-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.profile-info h2 {
  margin-bottom: var(--space-1);
}

.profile-info p {
  margin-bottom: 0;
  font-size: 0.9rem;
}

.profile-section {
  margin-bottom: var(--space-5);
}

.profile-section h3 {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border);
}

.profile-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}

.profile-field-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.profile-field-value {
  font-size: 1rem;
  color: var(--text-primary);
}

/* ==========================================================================
   17. Toast / Message Overlay
   ========================================================================== */

.toast-container {
  position: fixed;
  top: calc(var(--nav-height) + var(--space-3));
  right: var(--space-3);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 400px;
  width: calc(100% - var(--space-3) * 2);
}

.toast {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.3s ease forwards;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.toast-info {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.toast-success {
  background-color: rgba(56, 161, 105, 0.15);
  border: 1px solid rgba(56, 161, 105, 0.3);
  color: #68D391;
}

.toast-error {
  background-color: rgba(229, 62, 62, 0.15);
  border: 1px solid rgba(229, 62, 62, 0.3);
  color: #FC8181;
}

.toast-warning {
  background-color: rgba(214, 158, 46, 0.15);
  border: 1px solid rgba(214, 158, 46, 0.3);
  color: #F6E05E;
}

.toast-close {
  background: none;
  border: none;
  color: inherit;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0.7;
  padding: 0;
  line-height: 1;
}

.toast-close:hover {
  opacity: 1;
}

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

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

/* ==========================================================================
   18. Tables
   ========================================================================== */

.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: var(--space-3);
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

td {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

/* ==========================================================================
   19. Responsive Utilities
   ========================================================================== */

/* Spacing: margin-top */
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }

/* Spacing: margin-bottom */
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }

/* Spacing: padding */
.pt-1 { padding-top: var(--space-1); }
.pt-2 { padding-top: var(--space-2); }
.pb-1 { padding-bottom: var(--space-1); }
.pb-2 { padding-bottom: var(--space-2); }

/* Text alignment */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

/* Display */
.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }

/* Flexbox */
.flex { display: flex; }
.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.flex-col {
  display: flex;
  flex-direction: column;
}
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.items-center { align-items: center; }

/* Width */
.w-full { width: 100%; }

/* Overflow */
.overflow-hidden { overflow: hidden; }

/* ==========================================================================
   20. Page-specific: Login
   ========================================================================== */

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-4);
}

.login-page body,
body.login-page {
  padding-top: 0;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.login-card h1 {
  text-align: center;
  margin-bottom: var(--space-5);
}

.login-card .brand {
  text-align: center;
  margin-bottom: var(--space-5);
}

.login-card .brand h2 {
  color: var(--primary);
  font-size: 1.5rem;
  margin-bottom: var(--space-1);
}

.login-card .brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.login-footer {
  text-align: center;
  margin-top: var(--space-4);
}

.login-footer a {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.login-footer a:hover {
  color: var(--primary);
}

/* ==========================================================================
   21. Dividers & Misc
   ========================================================================== */

.divider {
  height: 1px;
  background-color: var(--border);
  margin: var(--space-4) 0;
}

.section {
  margin-bottom: var(--space-6);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
  gap: var(--space-2);
}

.section-header h2 {
  margin-bottom: 0;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: var(--space-6);
  color: var(--text-muted);
}

.empty-state p {
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

/* ==========================================================================
   22. Scrollbar Styling
   ========================================================================== */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ==========================================================================
   23. Focus & Accessibility
   ========================================================================== */

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   24. Print Styles
   ========================================================================== */

@media print {
  body {
    background-color: #fff;
    color: #000;
    padding-top: 0;
  }

  .nav,
  .toast-container,
  .btn,
  .nav-toggle {
    display: none !important;
  }

  .card {
    border: 1px solid #ccc;
    box-shadow: none;
    break-inside: avoid;
  }
}