/* ========================================
   AirFryer Tarif Kitabı — Design System
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* --- Design Tokens --- */
:root {
  /* Warm dark kitchen palette */
  --bg-primary: #1a1410;
  --bg-secondary: #231e18;
  --bg-card: #2a2319;
  --bg-card-hover: #342c21;
  --bg-overlay: rgba(26, 20, 16, 0.92);
  --bg-glass: rgba(42, 35, 25, 0.85);

  /* Amber/orange accent (from air fryer app) */
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --accent-dark: #d97706;
  --accent-glow: rgba(245, 158, 11, 0.15);
  --accent-glow-strong: rgba(245, 158, 11, 0.3);

  /* Text */
  --text-primary: #f5f0e8;
  --text-secondary: #b8a990;
  --text-muted: #8a7a68;
  --text-accent: #fbbf24;

  /* Borders */
  --border-subtle: rgba(245, 158, 11, 0.08);
  --border-card: rgba(245, 158, 11, 0.12);
  --border-active: rgba(245, 158, 11, 0.3);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  /* Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;

  /* Shadows */
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.3), 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.4), 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-overlay: 0 24px 64px rgba(0, 0, 0, 0.6);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --header-height: 4rem;
  --max-width: 1200px;
  --card-min-width: 260px;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  min-block-size: 100dvb;
  overflow-x: clip;
}

img {
  display: block;
  max-inline-size: 100%;
  block-size: auto;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* --- Background Decoration --- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--accent-glow) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(245, 158, 11, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* --- Header --- */
.header {
  position: sticky;
  inset-block-start: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding-inline: var(--space-lg);
  block-size: var(--header-height);
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-block-end: 1px solid var(--border-subtle);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  flex-shrink: 0;
}

.header__logo-icon {
  font-size: 1.5rem;
}

.header__logo-text span {
  color: var(--accent);
}

/* --- Search --- */
.search {
  position: relative;
  flex: 1;
  max-inline-size: 480px;
  margin-inline-start: auto;
}

.search__icon {
  position: absolute;
  inset-inline-start: var(--space-md);
  inset-block-start: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1rem;
  pointer-events: none;
  transition: color var(--transition-fast);
}

.search__input {
  inline-size: 100%;
  padding: 0.625rem var(--space-md) 0.625rem 2.5rem;
  font: inherit;
  font-size: 0.9375rem;
  color: var(--text-primary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

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

.search__input:focus {
  border-color: var(--accent-dark);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: var(--bg-card);
}

.search__input:focus ~ .search__icon {
  color: var(--accent);
}

.search__clear {
  position: absolute;
  inset-inline-end: var(--space-sm);
  inset-block-start: 50%;
  transform: translateY(-50%);
  display: none;
  align-items: center;
  justify-content: center;
  inline-size: 1.5rem;
  block-size: 1.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-secondary);
  border-radius: 50%;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.search__clear:hover {
  color: var(--text-primary);
  background: var(--bg-card-hover);
}

.search__input:not(:placeholder-shown) ~ .search__clear {
  display: flex;
}

/* --- Counter --- */
.counter {
  padding-inline: var(--space-lg);
  padding-block: var(--space-md) var(--space-sm);
  font-size: 0.875rem;
  color: var(--text-muted);
  max-inline-size: var(--max-width);
  margin-inline: auto;
}

.counter__number {
  color: var(--accent);
  font-weight: 600;
}

/* --- Card Grid --- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--card-min-width), 1fr));
  gap: var(--space-lg);
  padding-inline: var(--space-lg);
  padding-block-end: var(--space-2xl);
  max-inline-size: var(--max-width);
  margin-inline: auto;
}

/* --- Recipe Card --- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  overflow: clip;
  cursor: pointer;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  will-change: transform;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-active);
}

.card:active {
  transform: translateY(-2px) scale(0.99);
}

.card__image-wrapper {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: clip;
}

.card__image {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card__image {
  transform: scale(1.05);
}

.card__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 60%);
}

.card__title {
  position: absolute;
  inset-block-end: 0;
  inset-inline: 0;
  padding: var(--space-md);
  font-size: 1.0625rem;
  font-weight: 600;
  color: #fff;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
  line-height: 1.3;
}

.card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  padding-block-end: var(--space-md);
}

.card__ingredient-count {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.card__step-count {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-inline-start: auto;
}

/* --- Empty State --- */
.empty {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-2xl);
  text-align: center;
}

.empty__icon {
  font-size: 3rem;
  opacity: 0.4;
}

.empty__text {
  font-size: 1.125rem;
  color: var(--text-muted);
}

.empty__hint {
  font-size: 0.875rem;
  color: var(--text-muted);
  opacity: 0.7;
}

/* --- Recipe Detail (Overlay) --- */
.detail-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

.detail-overlay.visible {
  opacity: 1;
}

.detail-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.detail {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  padding-block-end: var(--space-2xl);
}

.detail__container {
  max-inline-size: 720px;
  margin-inline: auto;
  margin-block-start: var(--space-xl);
  margin-block-end: var(--space-2xl);
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  overflow: clip;
  box-shadow: var(--shadow-overlay);
  animation: detail-enter 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes detail-enter {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Detail header */
.detail__header {
  position: relative;
}

.detail__image {
  inline-size: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.detail__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg-secondary) 0%, transparent 50%);
}

.detail__back {
  position: absolute;
  inset-block-start: var(--space-md);
  inset-inline-start: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: #fff;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.detail__back:hover {
  background: rgba(0, 0, 0, 0.7);
}

.detail__title {
  position: absolute;
  inset-block-end: var(--space-lg);
  inset-inline: var(--space-xl);
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  line-height: 1.3;
}

/* Detail body */
.detail__body {
  padding: var(--space-xl);
}

.detail__description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-block-end: var(--space-xl);
  padding-block-end: var(--space-xl);
  border-block-end: 1px solid var(--border-subtle);
}

/* Ingredients section */
.detail__section-title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-accent);
  margin-block-end: var(--space-md);
}

.detail__section-icon {
  font-size: 1.25rem;
}

.detail__ingredients {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-block-end: var(--space-xl);
  padding-block-end: var(--space-xl);
  border-block-end: 1px solid var(--border-subtle);
}

.detail__ingredient {
  padding: var(--space-xs) var(--space-md);
  font-size: 0.875rem;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 2rem;
  white-space: nowrap;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.detail__ingredient:hover {
  border-color: var(--accent-dark);
  background: var(--bg-card-hover);
}

/* Steps section */
.detail__steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.detail__step {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.detail__step-number {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  inline-size: 2.25rem;
  block-size: 2.25rem;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--bg-primary);
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: 50%;
  box-shadow: 0 2px 8px var(--accent-glow-strong);
}

.detail__step-text {
  font-size: 0.9375rem;
  color: var(--text-primary);
  line-height: 1.7;
  padding-block-start: var(--space-xs);
}

/* --- Scrollbar Styling --- */
::-webkit-scrollbar {
  inline-size: 8px;
}

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

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

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

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--bg-card-hover) var(--bg-primary);
}

/* --- Loading State --- */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-block-size: 60dvb;
  gap: var(--space-md);
  color: var(--text-muted);
  font-size: 1.125rem;
}

.loading__spinner {
  inline-size: 1.5rem;
  block-size: 1.5rem;
  border: 2px solid var(--border-card);
  border-block-start-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* --- Responsive --- */
@media (max-width: 768px) {
  :root {
    --card-min-width: 160px;
    --header-height: 3.5rem;
  }

  .header {
    padding-inline: var(--space-md);
  }

  .header__logo {
    font-size: 1rem;
  }

  .header__logo-text {
    display: none;
  }

  .search {
    max-inline-size: none;
    margin-inline-start: 0;
  }

  .grid {
    padding-inline: var(--space-md);
    gap: var(--space-md);
  }

  .counter {
    padding-inline: var(--space-md);
  }

  .card__title {
    font-size: 0.9375rem;
  }

  .detail__container {
    margin-block-start: 0;
    margin-block-end: 0;
    border-radius: 0;
    min-block-size: 100dvb;
  }

  .detail__title {
    font-size: 1.375rem;
    inset-inline: var(--space-md);
  }

  .detail__body {
    padding: var(--space-md);
  }

  .detail__ingredient {
    font-size: 0.8125rem;
  }
}

@media (max-width: 480px) {
  :root {
    --card-min-width: 140px;
  }

  .card__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  .card__step-count {
    margin-inline-start: 0;
  }
}

/* --- Print --- */
@media print {
  .header,
  .search,
  .detail__back {
    display: none;
  }

  .detail-overlay,
  .detail-backdrop {
    position: static;
    background: none;
    backdrop-filter: none;
  }

  .detail__container {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}