/* styles.css */

:root {
  --color-primary: #510c76;
  --color-primary-light: #8348ad;
  --color-primary-lighter: #a97cca;
  --color-accent: #9e28b5;
  --color-gray: #98999b;
  --color-white: #ffffff;
  --color-black: #1a1a1a;
  --color-text: #1a1a1a;
  --color-text-light: #666;
  --color-text-lighter: #525252;
  --color-border: #e5e5e5;
  --color-border-light: #f5f5f5;
  --color-background: #fff;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-background);
  padding: 1rem;
  max-width: 800px;
  margin: 0 auto;
}

/* Loading & Error States */
.loading,
.error {
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-align: center;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.error button {
  color: var(--color-primary);
  background: none;
  border: none;
  text-decoration: underline;
  cursor: pointer;
  font-size: 1rem;
}

/* Header */
header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

h1 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* Filters */
.filters {
  margin-bottom: 2rem;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.filter-group:last-child {
  margin-bottom: 0;
}

.filter-label {
  font-size: 0.875rem;
  color: var(--color-text-light);
  font-weight: 500;
  flex-shrink: 0;
  width: 100%;
  margin-bottom: 0.25rem;
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  width: 100%;
}

.filter-btn {
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-white);
  color: var(--color-text-light);
  cursor: pointer;
  transition: all 0.15s;
}

.filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* Menu Sections */
.menu-section {
  margin-bottom: 3rem;
}

.menu-section:last-child {
  margin-bottom: 2rem;
}

.hall-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: 0.25rem;
}

.hall-subtitle {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
}

/* Meal Cards */
.meal-card {
  margin-bottom: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1.25rem;
}

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

.meal-header {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border-light);
}

.meal-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-black);
}

.meal-badge {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* Day Sections */
.day-section {
  margin-bottom: 1.25rem;
}

.day-section:last-child {
  margin-bottom: 0;
}

.day-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
}

/* Stations */
.stations {
  line-height: 1.8;
}

.station {
  margin-bottom: 0.75rem;
}

.station:last-child {
  margin-bottom: 0;
}

.station-name {
  font-weight: 600;
  color: var(--color-black);
  display: inline;
}

.station-name::after {
  content: ": ";
}

.station ul {
  list-style: none;
  display: inline;
}

.station li {
  display: inline;
  color: var(--color-text-lighter);
}

.station li::after {
  content: ", ";
}

.station li:last-child::after {
  content: "";
}

.subcategory {
  display: inline;
}

.subcategory-title {
  font-weight: 500;
  color: var(--color-text-light);
}

.subcategory-items {
  list-style: none;
  display: inline;
}

.subcategory-items li {
  display: inline;
}

/* Closed Message */
.closed-message {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
  border-radius: 6px;
}

/* Footer */
footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-light);
}

footer p {
  margin-bottom: 0.5rem;
}

footer a {
  color: var(--color-primary);
  text-decoration: none;
  padding-top: 0.5rem;
  border-top: 1px solid #d1d5db;
  display: inline-block;
  min-width: 80px;
}

footer a:hover {
  text-decoration: underline;
}

/* Navigation */
.nav-toggle {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 3rem;
  height: 3rem;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  z-index: 100;
  transition: transform 0.2s, background 0.2s;
}

.nav-toggle:hover {
  background: var(--color-primary-light);
  transform: scale(1.05);
}

.nav-toggle.active {
  background: var(--color-primary-light);
}

.nav-toggle i {
  font-size: 1.25rem;
}

.quick-nav {
  position: fixed;
  bottom: 5rem;
  right: 1.5rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  max-width: 200px;
  max-height: 70vh;
  overflow-y: auto;
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.2s;
}

.quick-nav.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.quick-nav-content {
  padding: 0.5rem;
}

.quick-nav-section {
  margin-bottom: 0.75rem;
}

.quick-nav-section:last-child {
  margin-bottom: 0;
}

.quick-nav-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.5rem 0.5rem 0.25rem;
}

.quick-nav-link {
  display: block;
  padding: 0.5rem 0.5rem;
  font-size: 0.875rem;
  color: var(--color-black);
  text-decoration: none;
  border-radius: 4px;
  transition: background 0.15s;
}

.quick-nav-link:hover {
  background: var(--color-border-light);
  color: var(--color-primary);
}

.quick-nav-divider {
  height: 1px;
  background: var(--color-border);
  margin: 0.5rem 0;
}

@media (min-width: 640px) {
  .nav-toggle {
    bottom: 2rem;
    right: 2rem;
  }
  
  .quick-nav {
    bottom: 6rem;
    right: 2rem;
  }
}

/* Tablet & Desktop */
@media (min-width: 640px) {
  body {
    padding: 2rem;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  header {
    margin-bottom: 3rem;
  }
  
  .filter-label {
    width: auto;
    margin-bottom: 0;
  }
  
  .filter-buttons {
    width: auto;
  }
  
  .meal-card {
    padding: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}