/* ============================================================
   VARIABLES — LIGHT THEME
   ============================================================ */
:root {
  --bg: #F8F6F2;
  --bg2: #F0EDE7;
  --card: #FFFFFF;
  --card-border: rgba(0,0,0,0.07);
  --accent: #E58A2F;
  --accent-dark: #C97420;
  --text: #1F2937;
  --text-2: #6B7280;
  --text-3: #9CA3AF;
  --border: #E5E0D8;
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.07);
  --shadow-md: 0 4px 18px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 36px rgba(0,0,0,0.14);
  --radius: 18px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --header-bg: rgba(248,246,242,0.88);

  /* Category colors */
  --c-выпечка: #E58A2F;
  --c-супы: #D4A017;
  --c-мясо: #C0392B;
  --c-салаты: #27AE60;
  --c-другое: #95A5A6;
}

/* ============================================================
   DARK THEME
   ============================================================ */
[data-theme="dark"] {
  --bg: #121212;
  --bg2: #1A1A1A;
  --card: rgba(255,255,255,0.08);
  --card-border: rgba(255,255,255,0.10);
  --text: #F2F2F2;
  --text-2: #A0A0A0;
  --text-3: #666;
  --border: rgba(255,255,255,0.10);
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 18px rgba(0,0,0,0.5);
  --shadow-lg: 0 8px 36px rgba(0,0,0,0.6);
  --header-bg: rgba(18,18,18,0.88);
}

[data-theme="dark"] .card-glass {
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  overflow-x: hidden;
  transition: background-color 0.3s, color 0.3s;
  /* Paper noise texture */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  background-attachment: fixed;
}

button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ============================================================
   HEADER
   ============================================================ */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 60px;
  background: var(--header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: var(--card);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, background 0.2s;
  flex-shrink: 0;
}

.theme-toggle:hover { transform: rotate(20deg); }

.header-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.header-logo-icon { font-size: 22px; }

.header-logo-text {
  font-family: 'Playfair Display', serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

/* ============================================================
   SCREENS
   ============================================================ */
.screen {
  display: none;
  min-height: calc(100dvh - 60px);
  animation: screenIn 0.18s ease;
}

.screen.active { display: block; }

@keyframes screenIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.screen-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 28px 20px 80px;
}

.recipe-detail-inner {
  max-width: 720px;
}

.screen-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.screen-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.back-btn {
  background: none;
  border: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-2);
  padding: 6px 0;
  transition: color 0.15s;
}

.back-btn:hover { color: var(--accent); }

/* ============================================================
   HOME SCREEN
   ============================================================ */
.home-wrap {
  max-width: 520px;
  margin: 0 auto;
  padding: 40px 20px 60px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.home-hero { text-align: center; }

.home-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.6rem, 8vw, 4rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.home-title em {
  font-style: italic;
  color: var(--accent);
}

.home-sub {
  margin-top: 14px;
  font-size: 1rem;
  color: var(--text-2);
  font-weight: 300;
}

.home-nav {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.home-btn {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: var(--card);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 500;
  text-align: left;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .home-btn {
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.home-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.home-btn:active { transform: translateY(0); }

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

.home-btn--accent:hover { background: var(--accent-dark); }

.home-btn-icon { font-size: 1.4rem; flex-shrink: 0; }

.home-btn-label { flex: 1; }

.home-btn-arrow {
  font-size: 1.2rem;
  color: var(--text-3);
  transition: transform 0.15s;
}

.home-btn--accent .home-btn-arrow { color: rgba(255,255,255,0.6); }

.home-btn:hover .home-btn-arrow { transform: translateX(3px); }

/* ============================================================
   SEARCH FIELD
   ============================================================ */
.search-field-wrap {
  position: relative;
  margin-bottom: 20px;
}

.sf-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 15px;
  pointer-events: none;
}

.search-field {
  width: 100%;
  padding: 14px 44px 14px 44px;
  border: 1.5px solid var(--border);
  border-radius: 50px;
  background: var(--card);
  font-size: 1rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

[data-theme="dark"] .search-field {
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.search-field:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(229,138,47,0.12);
}

.search-field::placeholder { color: var(--text-3); }

.sf-clear {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-3);
  font-size: 14px;
  padding: 4px 6px;
  transition: color 0.15s;
}

.sf-clear:hover { color: var(--text); }

/* ============================================================
   FILTER BLOCK
   ============================================================ */
.filter-block {
  background: var(--card);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius);
  margin-bottom: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .filter-block {
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.filter-toggle {
  padding: 16px 20px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.filter-toggle::-webkit-details-marker { display: none; }
.filter-toggle::after { content: '▾'; font-size: 12px; transition: transform 0.2s; }
details[open] .filter-toggle::after { transform: rotate(180deg); }

.filter-body {
  padding: 0 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  border-top: 1px solid var(--border);
}

.filter-section { padding-top: 18px; }

.filter-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

/* Category chips */
.cat-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  padding: 7px 16px;
  border: 1.5px solid var(--border);
  border-radius: 50px;
  background: transparent;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-2);
  transition: all 0.15s;
}

.chip:hover { border-color: var(--accent); color: var(--accent); }

.chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Range slider */
.range-wrap {
  position: relative;
  height: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}

.range-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--border);
  outline: none;
  cursor: pointer;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 1px 6px rgba(229,138,47,0.4);
  transition: transform 0.15s;
}

.range-slider::-webkit-slider-thumb:hover { transform: scale(1.15); }

.range-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  cursor: pointer;
}

/* Ingredient inputs */
.ingr-inputs { display: flex; flex-direction: column; gap: 10px; }

.ingr-field {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ingr-badge {
  flex-shrink: 0;
  padding: 4px 10px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ingr-have { background: rgba(39,174,96,0.15); color: #27AE60; }
.ingr-not  { background: rgba(192,57,43,0.12); color: #C0392B; }

.filter-input {
  flex: 1;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xs);
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.filter-input:focus { border-color: var(--accent); }
.filter-input::placeholder { color: var(--text-3); }

/* ============================================================
   RECIPE GRID
   ============================================================ */
.recipe-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

/* ============================================================
   RECIPE CARD
   ============================================================ */
.recipe-card {
  background: var(--card);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

[data-theme="dark"] .recipe-card {
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.recipe-card:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: var(--shadow-lg);
}

.recipe-card:active { transform: scale(1.01); }

/* Top category stripe */
.card-stripe {
  height: 4px;
  width: 100%;
}

.stripe-выпечка { background: var(--c-выпечка); }
.stripe-супы    { background: var(--c-супы); }
.stripe-мясо    { background: var(--c-мясо); }
.stripe-салаты  { background: var(--c-салаты); }
.stripe-другое  { background: var(--c-другое); }

.card-photo {
  width: 100%;
  height: 190px;
  overflow: hidden;
  background: var(--bg2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.recipe-card:hover .card-photo img { transform: scale(1.06); }

.card-photo-ph { font-size: 50px; opacity: 0.3; }

.card-body { padding: 16px 18px 18px; }

.card-cat {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 6px;
}

.card-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.card-time {
  font-size: 0.82rem;
  color: var(--text-2);
  display: flex;
  align-items: center;
  gap: 5px;
}

/* Card hover actions */
.card-btns {
  position: absolute;
  top: 14px;
  right: 14px;
  display: flex;
  gap: 6px;
  opacity: 0;
  transition: opacity 0.15s;
}

.recipe-card:hover .card-btns { opacity: 1; }

.icon-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.9);
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s;
}

.icon-btn:hover { transform: scale(1.12); }
.icon-btn--del:hover { background: #FEE2E2; }

/* ============================================================
   RECIPE DETAIL
   ============================================================ */
.recipe-head-actions { display: flex; gap: 8px; }

.detail-photo {
  width: 100%;
  height: 320px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
}

.detail-photo img { width: 100%; height: 100%; object-fit: cover; }
.detail-photo-ph { font-size: 80px; opacity: 0.25; }

.detail-cat {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 10px;
}

.detail-name {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 5vw, 2.4rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.detail-meta {
  display: flex;
  gap: 20px;
  color: var(--text-2);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 28px;
}

.detail-divider {
  height: 1px;
  background: var(--border);
  margin: 24px 0;
}

.detail-section-label {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}

.detail-ingredients {
  padding: 16px 18px;
  background: var(--bg2);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--accent);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text);
}

.detail-recipe {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text);
  font-weight: 300;
  white-space: pre-wrap;
}

/* ============================================================
   FORM
   ============================================================ */
.form-card {
  background: var(--card);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px 28px 32px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 22px;
}

[data-theme="dark"] .form-card {
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-input, .form-textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xs);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  width: 100%;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(229,138,47,0.10);
}

.form-input::placeholder, .form-textarea::placeholder { color: var(--text-3); }

.form-textarea { resize: vertical; min-height: 180px; line-height: 1.7; }

.photo-row { display: flex; gap: 10px; }

.btn-upload {
  flex-shrink: 0;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xs);
  background: var(--bg);
  color: var(--text-2);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  display: flex;
  align-items: center;
}

.btn-upload:hover { border-color: var(--accent); color: var(--accent); }

.photo-preview {
  position: relative;
  display: inline-block;
  margin-top: 8px;
}

.photo-preview.hidden { display: none; }

.photo-preview img {
  max-width: 180px;
  max-height: 130px;
  border-radius: var(--radius-xs);
  object-fit: cover;
  border: 1.5px solid var(--border);
}

.photo-clear {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--text);
  color: #fff;
  border: none;
  font-size: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.form-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  padding-top: 6px;
  border-top: 1px solid var(--border);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-accent {
  padding: 12px 24px;
  background: var(--accent);
  border: none;
  border-radius: 50px;
  color: #fff;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}

.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(229,138,47,0.35);
}

.btn-ghost {
  padding: 12px 24px;
  background: none;
  border: 1.5px solid var(--border);
  border-radius: 50px;
  color: var(--text-2);
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-ghost:hover { border-color: var(--text-2); color: var(--text); }

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-2);
  grid-column: 1/-1;
}

.empty-state.hidden { display: none; }
.empty-icon { font-size: 56px; margin-bottom: 16px; opacity: 0.4; }
.empty-state p { font-size: 0.95rem; line-height: 1.6; }
.mt16 { margin-top: 16px; }

/* ============================================================
   TOAST
   ============================================================ */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  padding: 12px 24px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  white-space: nowrap;
  animation: toastIn 0.22s ease;
}

.toast.hidden { display: none; }
.toast.ok  { background: #16A34A; color: #fff; }
.toast.err { background: #DC2626; color: #fff; }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ============================================================
   CARD STAGGER ANIMATION
   ============================================================ */
.recipe-card {
  animation: cardIn 0.22s ease both;
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 600px) {
  .header-logo-text { font-size: 1rem; }
  .home-wrap { padding: 28px 16px 60px; gap: 36px; }
  .screen-inner { padding: 20px 16px 70px; }
  .recipe-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .card-photo { height: 140px; }
  .form-card { padding: 20px 16px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .detail-photo { height: 220px; }
}

@media (max-width: 380px) {
  .recipe-grid { grid-template-columns: 1fr; }
}