/**
 * 吉他维修服务 - 响应式样式
 * Premium, Professional, Heritage Craftsmanship
 * Mobile-first approach
 */

/* ========================================
   Tablet & Below (768px)
   ======================================== */
@media (max-width: 768px) {
  /* Typography scaling */
  :root {
    --font-size-5xl: 2.25rem;
    --font-size-4xl: 1.875rem;
    --font-size-3xl: 1.5rem;
    --font-size-2xl: 1.25rem;
  }

  /* Header Navigation */
  .header__nav {
    height: 60px;
    padding: 0 var(--spacing-lg);
  }

  .header__logo a {
    font-size: var(--font-size-lg);
  }

  .header__menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--color-bg-secondary);
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-xl);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 99;
    border-top: 2px solid var(--color-accent-primary);
  }

  .header__menu--open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .header__menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
  }

  .header__menu-icon {
    width: 24px;
    height: 2px;
    background: var(--color-accent-primary);
    transition: all var(--transition-base);
    position: relative;
  }

  .header__menu-icon::before,
  .header__menu-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--color-accent-primary);
    transition: all var(--transition-base);
  }

  .header__menu-icon::before {
    top: -8px;
  }

  .header__menu-icon::after {
    bottom: -8px;
  }

  .header__menu-toggle[aria-expanded='true'] .header__menu-icon {
    background-color: transparent;
  }

  .header__menu-toggle[aria-expanded='true'] .header__menu-icon::before {
    transform: rotate(45deg);
    top: 0;
  }

  .header__menu-toggle[aria-expanded='true'] .header__menu-icon::after {
    transform: rotate(-45deg);
    bottom: 0;
  }

  /* Hero Section */
  .hero {
    min-height: 60vh;
    padding: var(--spacing-2xl) var(--spacing-md);
  }

  .hero__content {
    padding: var(--spacing-xl);
  }

  .hero__subtitle-top {
    font-size: clamp(2rem, 8vw, 3rem);
    margin-bottom: var(--spacing-md);
  }

  .hero__title {
    font-size: clamp(1.25rem, 4vw, 1.75rem);
    letter-spacing: 0.03em;
    margin-bottom: var(--spacing-md);
  }

  .hero__subtitle {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
  }

  .hero__actions {
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
  }

  .hero__actions .button {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-sm);
  }

  /* Buttons */
  .button {
    padding: 0.625rem 1.5rem;
    font-size: var(--font-size-sm);
  }

  .button--large {
    padding: 0.875rem 2rem;
    font-size: var(--font-size-base);
  }

  /* Cards & Grid */
  .featured__grid,
  .activities__grid,
  .team__grid,
  .service-cards {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .time-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .time-card {
    flex-direction: column;
  }

  .time-card__image {
    width: 100%;
    height: 200px;
  }

  .time-card__content {
    padding: var(--spacing-lg);
  }

  .card,
  .service-card {
    padding: var(--spacing-lg);
  }

  /* Forms */
  .form-group__input,
  .form-group__textarea,
  .form-group__select {
    font-size: var(--font-size-base);
    padding: var(--spacing-md) var(--spacing-lg);
  }

  /* Booking Form */
  .booking {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .booking__form {
    padding: var(--spacing-xl) var(--spacing-lg);
  }

  .form-group {
    margin-bottom: var(--spacing-lg);
  }

  /* Time Slots Mobile */
  .time-slot {
    padding: var(--spacing-md);
    font-size: var(--font-size-sm);
  }

  .time-slot__time {
    font-size: var(--font-size-sm);
  }

  .time-slot__status {
    font-size: 0.7rem;
    padding: var(--spacing-xs) var(--spacing-sm);
  }

  /* Booking & Activity Detail */
  .booking__actions,
  .activity-detail__actions {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .booking__actions .button,
  .activity-detail__actions .button {
    width: 100%;
  }

  /* Filters */
  .filters {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .filters__group {
    width: 100%;
  }

  .filters__select,
  .filters__input {
    width: 100%;
  }

  .filters__button {
    width: 100%;
  }

  /* Footer */
  .footer {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
  }

  .footer__content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .footer__section {
    text-align: center;
  }

  .footer__title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
  }

  .footer__text {
    font-size: var(--font-size-sm);
  }

  .footer__address-btn {
    margin-top: var(--spacing-sm);
  }

  /* Admin Dashboard */
  .tabs {
    flex-wrap: wrap;
    gap: var(--spacing-xs);
  }

  .tabs__tab {
    flex: 1 1 calc(50% - var(--spacing-xs));
    min-width: 120px;
    padding: var(--spacing-sm);
    font-size: var(--font-size-xs);
  }

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

  .orders__container {
    grid-template-columns: 1fr;
  }

  /* Calendar View */
  .calendar-grid {
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
  }

  .calendar-cell {
    min-height: 50px;
    padding: var(--spacing-xs);
    font-size: var(--font-size-xs);
  }

  .calendar-cell__date {
    font-size: var(--font-size-sm);
  }

  /* Table Responsive */
  table {
    font-size: var(--font-size-sm);
  }

  table th,
  table td {
    padding: var(--spacing-sm);
  }

  /* Quick Actions */
  .quick-actions__grid {
    grid-template-columns: 1fr;
  }

  /* Spacing adjustments */
  .main {
    padding: var(--spacing-xl) 0;
  }

  .container {
    padding: 0 var(--spacing-md);
  }
}

/* ========================================
   Mobile (480px and below)
   ======================================== */
@media (max-width: 480px) {
  /* Typography */
  :root {
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.5rem;
    --font-size-3xl: 1.25rem;
    --font-size-2xl: 1.125rem;
    --font-size-xl: 1rem;
  }

  /* Header */
  .header__nav {
    height: 56px;
    padding: 0 var(--spacing-md);
  }

  .header__logo a {
    font-size: var(--font-size-base);
  }

  /* Hero */
  .hero {
    min-height: 50vh;
    padding: var(--spacing-xl) var(--spacing-sm);
  }

  .hero__content {
    padding: var(--spacing-md);
  }

  .hero__subtitle-top {
    font-size: clamp(1.5rem, 7vw, 2.5rem);
    margin-bottom: var(--spacing-sm);
  }

  .hero__title {
    font-size: clamp(1rem, 3.5vw, 1.5rem);
    margin-bottom: var(--spacing-sm);
  }

  .hero__subtitle {
    font-size: var(--font-size-xs);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
  }

  .hero__actions {
    gap: var(--spacing-sm);
  }

  .hero__actions .button {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-xs);
  }

  /* Buttons */
  .button {
    padding: 0.5rem 1.25rem;
    font-size: var(--font-size-xs);
  }

  .button--large {
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-sm);
  }

  /* Cards */
  .card {
    padding: var(--spacing-md);
  }

  .card__header {
    padding: var(--spacing-md);
  }

  .card__title {
    font-size: var(--font-size-xl);
  }

  .service-card {
    padding: var(--spacing-md);
  }

  .service-card__title {
    font-size: var(--font-size-lg);
  }

  /* Forms */
  .form-group__input,
  .form-group__textarea,
  .form-group__select {
    padding: var(--spacing-sm);
    font-size: 16px; /* Prevents zoom on iOS */
  }

  .form-group__label {
    font-size: var(--font-size-sm);
  }

  /* Booking Mobile */
  .booking {
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .booking__form {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .booking__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
  }

  .booking__description {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
  }

  .form-group {
    margin-bottom: var(--spacing-md);
  }

  /* Time Slots Mobile */
  .time-slot {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .time-slot__time {
    font-size: var(--font-size-xs);
  }

  .time-slot__status {
    font-size: 0.65rem;
    padding: 2px var(--spacing-xs);
  }

  /* Activity Cards */
  .activity-card__image {
    height: 180px;
  }

  .activity-card__title {
    font-size: var(--font-size-lg);
  }

  /* Team Members */
  .team-member__image {
    width: 100px;
    height: 100px;
  }

  .team-member__name {
    font-size: var(--font-size-base);
  }

  /* Breadcrumb */
  .breadcrumb__list {
    font-size: var(--font-size-xs);
    gap: var(--spacing-xs);
  }

  /* Activity Detail */
  .activity-detail__meta-label {
    min-width: 50px;
    font-size: var(--font-size-xs);
  }

  .activity-detail__meta-value {
    font-size: var(--font-size-sm);
  }

  /* Admin Dashboard */
  .page-title {
    font-size: var(--font-size-2xl);
  }

  .stats__card {
    padding: var(--spacing-md);
  }

  .stats__title {
    font-size: var(--font-size-xs);
  }

  .stats__value {
    font-size: var(--font-size-xl);
  }

  .order-card {
    padding: var(--spacing-md);
  }

  .order-card__title {
    font-size: var(--font-size-base);
  }

  /* Calendar */
  .calendar-cell {
    min-height: 40px;
    font-size: 10px;
  }

  .calendar-cell__date {
    font-size: var(--font-size-xs);
  }

  .calendar-view__legend {
    flex-direction: column;
    gap: var(--spacing-xs);
    align-items: flex-start;
  }

  /* Modal */
  .modal__content {
    margin: var(--spacing-md);
    max-height: calc(100vh - var(--spacing-md) * 2);
  }

  .modal__content--large {
    max-width: 95vw;
  }

  .modal__header {
    padding: var(--spacing-md);
  }

  .modal__body {
    padding: var(--spacing-md);
  }

  .modal__footer {
    padding: var(--spacing-md);
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .modal__footer .button {
    width: 100%;
  }

  /* Quick Actions */
  .quick-actions__card {
    padding: var(--spacing-md);
  }

  .quick-actions__card-title {
    font-size: var(--font-size-base);
  }

  .quick-actions__label {
    font-size: var(--font-size-xs);
  }

  /* Spacing */
  .page-header {
    margin-bottom: var(--spacing-lg);
  }

  .section {
    padding: var(--spacing-xl) 0;
  }
}

/* ========================================
   Large Screens (1200px and above)
   ======================================== */
@media (min-width: 1200px) {
  /* Grid layouts */
  .featured__grid,
  .activities__grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  /* Hero */
  .hero__title {
    font-size: clamp(3rem, 10vw, 6rem);
  }

  /* Wider containers */
  .container {
    max-width: 1600px;
  }

  .header__nav {
    max-width: 1600px;
  }

  .featured__grid {
    max-width: 1600px;
  }

  .footer__content {
    max-width: 1600px;
  }

  /* Enhanced spacing */
  .card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-2xl), 0 0 50px var(--color-accent-glow);
  }

  .service-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-2xl), 0 0 60px var(--color-accent-glow);
  }
}

/* ========================================
   Extra Large Screens (1400px and above)
   ======================================== */
@media (min-width: 1400px) {
  .hero__title {
    letter-spacing: 0.15em;
  }

  .featured__grid,
  .activities__grid {
    gap: var(--spacing-3xl);
  }

  /* Larger text for better readability */
  .card__body,
  .service-card__description {
    font-size: var(--font-size-lg);
  }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
  /* Hide non-essential elements */
  .header,
  .footer,
  .button,
  .filters,
  .breadcrumb,
  .tabs,
  .modal__overlay,
  .calendar-view__legend,
  .quick-actions {
    display: none !important;
  }

  /* Adjust colors for print */
  body {
    background: #fff;
    color: #000;
  }

  .hero {
    background: #fff;
    min-height: auto;
  }

  .hero__content {
    padding: var(--spacing-md);
  }

  /* Cards and containers */
  .card,
  .service-card,
  .order-card {
    background: #fff;
    border: 1px solid #000;
    box-shadow: none;
    page-break-inside: avoid;
  }

  .card__header,
  .service-card::before {
    background: #000;
    color: #fff;
  }

  /* Text colors */
  h1, h2, h3, h4, h5, h6,
  .card__title,
  .service-card__title,
  .activity-card__title {
    color: #000;
  }

  p,
  .card__body,
  .service-card__description {
    color: #000;
  }

  /* Links */
  a {
    color: #000;
    text-decoration: underline;
  }

  /* Ensure content fits */
  .container {
    max-width: 100%;
    padding: 0;
  }

  /* Page breaks */
  .order-card,
  .stats__card,
  .team-member {
    page-break-inside: avoid;
  }

  .stats__card {
    border: 1px solid #ccc;
  }

  /* Show URLs for links */
  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: var(--font-size-xs);
  }

  /* Table styling */
  table {
    border: 1px solid #000;
  }

  table th,
  table td {
    border: 1px solid #000;
  }
}

/* ========================================
   Accessibility - Reduced Motion
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .hero::before {
    animation: none;
  }

  .button::before {
    transition: none;
  }

  .card:hover,
  .service-card:hover {
    transform: none;
  }
}

/* ========================================
   Accessibility - High Contrast Mode
   ======================================== */
@media (prefers-contrast: high) {
  :root {
    --color-text-primary: #ffffff;
    --color-text-secondary: #e0e0e0;
    --color-accent-primary: #ffdd00;
    --color-accent-secondary: #ffcc00;
  }

  .button {
    border-width: 3px;
  }

  .card,
  .service-card {
    border-width: 2px;
  }

  .form-group__input:focus,
  .form-group__textarea:focus,
  .form-group__select:focus {
    outline: 3px solid var(--color-accent-primary);
    outline-offset: 2px;
  }

  a {
    text-decoration: underline;
  }

  a:hover {
    text-decoration-style: double;
  }
}

/* ========================================
   Landscape Orientation (Mobile)
   ======================================== */
@media (max-width: 768px) and (orientation: landscape) {
  .hero {
    min-height: 80vh;
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .hero__title {
    font-size: clamp(1.5rem, 4vw, 2rem);
  }

  .hero__subtitle {
    font-size: var(--font-size-sm);
  }

  .activity-card__image {
    height: 150px;
  }

  /* Reduced header height */
  .header__nav {
    height: 50px;
  }

  /* Compact modal */
  .modal__content {
    max-height: calc(100vh - var(--spacing-lg));
  }
}

/* ========================================
   Touch Device Optimizations
   ======================================== */
@media (hover: none) and (pointer: coarse) {
  /* Larger touch targets */
  .button,
  .header__menu-item a,
  .header__menu-toggle,
  .tabs__tab,
  .calendar-cell,
  .form-group__checkbox {
    min-height: 44px;
    min-width: 44px;
  }

  /* Remove hover effects on touch devices */
  .card:hover,
  .service-card:hover {
    transform: none;
  }

  .button:hover,
  .button:focus {
    transform: none;
  }

  /* Larger form inputs */
  .form-group__input,
  .form-group__textarea,
  .form-group__select,
  .filters__select,
  .filters__input {
    font-size: 16px; /* Prevents zoom on iOS */
    padding: var(--spacing-md) var(--spacing-lg);
    min-height: 44px;
  }

  /* Enhanced touch feedback */
  .button:active {
    transform: scale(0.98);
    opacity: 0.8;
  }

  .card:active,
  .service-card:active {
    transform: scale(0.99);
  }

  /* Larger clickable areas in tables */
  table button,
  table a {
    min-height: 44px;
    min-width: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  /* Wider calendar cells */
  .calendar-cell {
    min-height: 55px;
  }

  /* Enhanced modal close button */
  .modal__close {
    min-width: 44px;
    min-height: 44px;
    font-size: var(--font-size-xl);
  }
}

/* ========================================
   Tablet Specific (768px - 1024px)
   ======================================== */
@media (min-width: 769px) and (max-width: 1024px) {
  .featured__grid,
  .activities__grid,
  .service-cards {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .hero {
    min-height: 70vh;
  }

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

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