/* ==========================================================================
   Chichvaka Search — Apple Liquid Glass (Enhanced Squircles & Caustics)
   ========================================================================== */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

  /* Color system */
  --bg-dark: #060812;
  --ink: #f8fafc;
  --ink-dim: rgba(248, 250, 252, 0.70);
  --ink-muted: rgba(248, 250, 252, 0.48);

  /* Apple Ultra-Smooth Squircles & Meniscus Glass Tokens */
  --card-radius: 36px;
  --panel-radius: 30px;
  --pill-radius: 999px;

  --glass-bg: linear-gradient(180deg, rgba(16, 22, 38, 0.18) 0%, rgba(16, 22, 38, 0.32) 100%);
  --glass-border: rgba(255, 255, 255, 0.16);
  --glass-shadow:
    0 30px 80px rgba(0, 0, 0, 0.55),
    inset 0 1.5px 2px rgba(255, 255, 255, 0.68),
    inset 0 -8px 24px rgba(255, 255, 255, 0.06),
    inset 0 0 0 1.5px rgba(255, 255, 255, 0.16);

  /* Highway Branches (4 branches in Nether) */
  --branch-yellow: #facc15;
  --branch-yellow-bg: rgba(234, 179, 8, 0.2);
  --branch-yellow-border: rgba(250, 204, 21, 0.55);
  --branch-yellow-glow: 0 0 18px rgba(234, 179, 8, 0.4);

  --branch-blue: #38bdf8;
  --branch-blue-bg: rgba(56, 189, 248, 0.2);
  --branch-blue-border: rgba(56, 189, 248, 0.55);
  --branch-blue-glow: 0 0 18px rgba(56, 189, 248, 0.4);

  --branch-purple: #c084fc;
  --branch-purple-bg: rgba(192, 132, 252, 0.2);
  --branch-purple-border: rgba(192, 132, 252, 0.55);
  --branch-purple-glow: 0 0 18px rgba(192, 132, 252, 0.4);

  --branch-green: #4ade80;
  --branch-green-bg: rgba(74, 222, 128, 0.2);
  --branch-green-border: rgba(74, 222, 128, 0.55);
  --branch-green-glow: 0 0 18px rgba(74, 222, 128, 0.4);

  /* The End Dimension (ТЗ в Энде — Ender Teal & Purpur Void) */
  --branch-end-teal: #2dd4bf;
  --branch-end-bg: linear-gradient(135deg, rgba(13, 148, 136, 0.26) 0%, rgba(147, 51, 234, 0.24) 100%);
  --branch-end-border: rgba(45, 212, 191, 0.6);
  --branch-end-glow: 0 0 20px rgba(45, 212, 191, 0.45), 0 0 4px rgba(168, 85, 247, 0.35);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* 1. Fullscreen WebGL Liquid Glass Caustics Canvas */
#shaderCanvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  display: block;
}

/* 2. Soft cinematic vignette scrim */
.bg-scrim {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(
    circle at 50% 30%,
    rgba(6, 8, 16, 0.15) 0%,
    rgba(6, 8, 16, 0.42) 65%,
    rgba(6, 8, 16, 0.75) 100%
  );
}

/* App Container */
.app-container {
  position: relative;
  z-index: 2;
  max-width: 1240px;
  margin: 0 auto;
  padding: 48px 24px 100px;
}

/* Header */
.app-header {
  text-align: center;
  margin-bottom: 36px;
}

.app-title {
  font-size: clamp(38px, 6.2vw, 68px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.06;
  margin-bottom: 12px;
  color: #fff;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.6);
}

.app-subtitle {
  font-size: clamp(15px, 2vw, 18px);
  font-weight: 500;
  color: var(--ink-dim);
  max-width: 680px;
  margin: 0 auto;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.5);
}

/* Search Bar (Capsule Pill Shape with Liquid Glass) */
.search-section {
  max-width: 840px;
  margin: 0 auto 28px;
}

.search-glass-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 30px;
  border-radius: var(--pill-radius);
  background: var(--glass-bg);
  box-shadow: var(--glass-shadow);
  border: 1px solid var(--glass-border);
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.22s ease, border-color 0.22s ease;
  overflow: hidden;
}

/* Single Unified Global Spotlight across all glass panels */
.search-glass-card::after,
.product-card::after,
.controls-glass-bar::after,
.modal-dialog::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    320px circle at var(--card-glare-x, -999px) var(--card-glare-y, -999px),
    rgba(255, 255, 255, 0.28),
    rgba(255, 255, 255, 0.05) 45%,
    transparent 75%
  );
  opacity: var(--glare-opacity, 0);
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.search-glass-card:focus-within {
  transform: translateY(-2px) scale(1.008);
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow:
    0 34px 85px rgba(0, 0, 0, 0.65),
    inset 0 1.5px 2px rgba(255, 255, 255, 0.8),
    inset 0 0 0 1.5px rgba(255, 255, 255, 0.28);
}

.search-icon {
  font-size: 1.4rem;
  opacity: 0.9;
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 1.25rem;
  font-family: inherit;
  color: var(--ink);
  font-weight: 500;
}

.search-input::placeholder {
  color: var(--ink-muted);
}

.search-clear-btn {
  background: rgba(255, 255, 255, 0.12);
  border: none;
  color: var(--ink-dim);
  border-radius: 50%;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.search-clear-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
  transform: scale(1.06);
}

.search-spinner {
  width: 22px;
  height: 22px;
  border: 2.5px solid rgba(255, 255, 255, 0.18);
  border-top-color: #2dd4bf;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Controls Bar (Generous Squircle Radius) */
.controls-glass-bar {
  max-width: 980px;
  margin: 0 auto 36px;
  padding: 16px 26px;
  border-radius: var(--panel-radius);
  background: var(--glass-bg);
  box-shadow: var(--glass-shadow);
  border: 1px solid var(--glass-border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  overflow: hidden;
  position: relative;
}

.branch-chips {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.branch-chip {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--ink-dim);
  padding: 9px 18px;
  border-radius: var(--pill-radius);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  user-select: none;
}

.branch-chip:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  transform: translateY(-1px);
}

.branch-chip.active {
  color: #fff;
  transform: translateY(-1px);
}

.branch-chip[data-branch="all"].active {
  background: rgba(255, 255, 255, 0.26);
  border-color: rgba(255, 255, 255, 0.55);
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.22);
}

.branch-chip[data-branch="yellow"].active {
  background: var(--branch-yellow-bg);
  border-color: var(--branch-yellow);
  color: var(--branch-yellow);
  box-shadow: var(--branch-yellow-glow);
}

.branch-chip[data-branch="blue"].active {
  background: var(--branch-blue-bg);
  border-color: var(--branch-blue);
  color: var(--branch-blue);
  box-shadow: var(--branch-blue-glow);
}

.branch-chip[data-branch="purple"].active {
  background: var(--branch-purple-bg);
  border-color: var(--branch-purple);
  color: var(--branch-purple);
  box-shadow: var(--branch-purple-glow);
}

.branch-chip[data-branch="green"].active {
  background: var(--branch-green-bg);
  border-color: var(--branch-green);
  color: var(--branch-green);
  box-shadow: var(--branch-green-glow);
}

/* ТЗ в Энде (Ender Teal & Purpur) */
.branch-chip[data-branch="tz"].active {
  background: var(--branch-end-bg);
  border-color: var(--branch-end-teal);
  color: var(--branch-end-teal);
  box-shadow: var(--branch-end-glow);
}

.filters-secondary {
  display: flex;
  align-items: center;
  gap: 16px;
}

.toggle-switch {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-dim);
  user-select: none;
}

.toggle-switch input {
  display: none;
}

.toggle-slider {
  width: 42px;
  height: 25px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--pill-radius);
  position: relative;
  transition: all 0.25s ease;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  top: 2.5px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
  transition: all 0.25s cubic-bezier(0.3, 1.3, 0.4, 1);
}

.toggle-switch input:checked + .toggle-slider {
  background: #22c55e;
  border-color: #22c55e;
  box-shadow: 0 0 16px rgba(34, 197, 94, 0.5);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(17px);
}

.sort-select {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: var(--ink);
  padding: 8px 16px;
  border-radius: var(--pill-radius);
  font-size: 0.88rem;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.sort-select:focus {
  border-color: rgba(255, 255, 255, 0.5);
}

.sort-select option {
  background: #0f1220;
  color: #fff;
}

/* Results Status Bar */
.results-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding: 0 8px;
  font-size: 0.94rem;
  color: var(--ink-dim);
}

.refresh-data-btn {
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--ink);
  border-radius: var(--pill-radius);
  padding: 7px 16px;
  font-size: 0.84rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.refresh-data-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.refresh-data-btn.loading .btn-spin {
  animation: spin 0.8s linear infinite;
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 26px;
}

/* Product Card — Apple Liquid Glass (Generous 36px Squircle Radius) */
.product-card {
  position: relative;
  border-radius: var(--card-radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
  background: var(--glass-bg);
  box-shadow: var(--glass-shadow);
  border: 1px solid var(--glass-border);
  overflow: hidden;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease, border-color 0.25s ease;
  will-change: transform;
}

.product-card:hover {
  transform: translateY(-6px) scale(1.018);
  border-color: rgba(255, 255, 255, 0.32);
  box-shadow:
    0 36px 90px rgba(0, 0, 0, 0.65),
    inset 0 1.5px 2px rgba(255, 255, 255, 0.8),
    inset 0 -8px 24px rgba(255, 255, 255, 0.09),
    inset 0 0 0 1.5px rgba(255, 255, 255, 0.25);
}

/* Highway Branch Badge (Rounded pill rectangle in branch color) */
.branch-coord-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 16px;
  border-radius: var(--pill-radius);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  font-family: var(--font-mono);
  width: fit-content;
  margin-bottom: 16px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}

.branch-coord-badge:hover {
  filter: brightness(1.22);
  transform: scale(1.05);
}

.branch-coord-badge .copy-icon {
  font-size: 0.85rem;
  opacity: 0.8;
}

/* Branch color variations */
.branch-coord-badge.branch-yellow {
  color: var(--branch-yellow);
  background: var(--branch-yellow-bg);
  border: 1px solid var(--branch-yellow-border);
  box-shadow: var(--branch-yellow-glow);
}

.branch-coord-badge.branch-blue {
  color: var(--branch-blue);
  background: var(--branch-blue-bg);
  border: 1px solid var(--branch-blue-border);
  box-shadow: var(--branch-blue-glow);
}

.branch-coord-badge.branch-purple {
  color: var(--branch-purple);
  background: var(--branch-purple-bg);
  border: 1px solid var(--branch-purple-border);
  box-shadow: var(--branch-purple-glow);
}

.branch-coord-badge.branch-green {
  color: var(--branch-green);
  background: var(--branch-green-bg);
  border: 1px solid var(--branch-green-border);
  box-shadow: var(--branch-green-glow);
}

/* ТЗ в Энде (End Dimension badge) */
.branch-coord-badge.branch-tz {
  color: var(--branch-end-teal);
  background: var(--branch-end-bg);
  border: 1px solid var(--branch-end-border);
  box-shadow: var(--branch-end-glow);
}

.branch-coord-badge.branch-other {
  color: var(--ink-dim);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

/* Card Title */
.card-item-title {
  font-size: 1.28rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 18px;
  color: #fff;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
}

.card-item-title .icon {
  font-size: 1.35rem;
  flex-shrink: 0;
}

/* Card details table */
.card-rows {
  display: flex;
  flex-direction: column;
  gap: 11px;
  margin-bottom: 22px;
  flex: 1;
}

.card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.95rem;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.card-row:last-child {
  border-bottom: none;
}

.card-row-label {
  color: var(--ink-dim);
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
}

.card-row-value {
  font-weight: 600;
  color: var(--ink);
}

/* Price with Oil Currency */
.price-oil-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 1.1rem;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.16);
  border: 1px solid rgba(56, 189, 248, 0.38);
  padding: 4px 14px;
  border-radius: var(--pill-radius);
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.25);
}

/* Stock status pill */
.stock-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--pill-radius);
}

.stock-pill.in-stock {
  color: #4ade80;
  background: rgba(34, 197, 94, 0.2);
  border: 1px solid rgba(74, 222, 128, 0.5);
  box-shadow: 0 0 14px rgba(34, 197, 94, 0.3);
}

.stock-pill.out-of-stock {
  color: #fb7185;
  background: rgba(244, 63, 94, 0.2);
  border: 1px solid rgba(251, 113, 133, 0.5);
}

/* Shop and Contact Footer inside card */
.card-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.shop-info-link {
  color: var(--ink-dim);
  font-size: 0.88rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.2s ease;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.shop-info-link:hover {
  color: #2dd4bf;
  text-decoration: underline;
}

.telegram-link-btn {
  background: rgba(56, 189, 248, 0.16);
  border: 1px solid rgba(56, 189, 248, 0.38);
  color: #38bdf8;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--pill-radius);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.telegram-link-btn:hover {
  background: rgba(56, 189, 248, 0.32);
  color: #fff;
  transform: translateY(-1px);
}

/* Empty State */
.state-message {
  text-align: center;
  padding: 90px 20px;
}

.state-icon {
  font-size: 3.6rem;
  margin-bottom: 16px;
}

.state-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}

.state-subtitle {
  font-size: 1.05rem;
  color: var(--ink-dim);
  max-width: 500px;
  margin: 0 auto 24px;
}

/* Modal for Shop catalog */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  max-width: 700px;
  width: 100%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  padding: 32px;
  border-radius: var(--card-radius);
  background: var(--glass-bg);
  box-shadow: var(--glass-shadow);
  border: 1px solid var(--glass-border);
  position: relative;
  overflow: hidden;
  transform: scale(0.94);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.open .modal-dialog {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-close-btn {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--ink-dim);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}

.modal-body {
  overflow-y: auto;
  flex: 1;
  padding-right: 6px;
}

.modal-shop-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  margin-bottom: 8px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* Toast notification */
.toast-notice {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: rgba(14, 20, 36, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.28);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
  color: #fff;
  padding: 12px 28px;
  border-radius: var(--pill-radius);
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 2000;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  opacity: 0;
  pointer-events: none;
}

.toast-notice.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
  .app-container {
    padding: 28px 16px 60px;
  }

  .app-title {
    font-size: 2.2rem;
  }

  .search-glass-card {
    padding: 14px 22px;
  }

  .search-input {
    font-size: 1.1rem;
  }

  .controls-glass-bar {
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    border-radius: 24px;
  }

  .branch-chips {
    justify-content: center;
  }

  .filters-secondary {
    justify-content: space-between;
  }

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