/* ==========================================================================
   Trueka — Plataforma de Intercambio & Trueque (CSS Vanilla)
   Clean Minimalist Look & Feel with Vibrant Barter Accents & Dual Theme
   ========================================================================== */

:root {
  /* Light Theme (Clean Canvas) */
  --bg-main: #fbf9f5;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --bg-subtle: #f3f0e8;
  --bg-overlay: rgba(18, 20, 28, 0.68);
  
  --text-main: #18191c;
  --text-secondary: #52555e;
  --text-muted: #8c909c;
  
  --border-color: #e8e4dc;
  --border-hover: #c8c3b8;
  
  /* Trueka Vibrant Accents */
  --trk-1: #059669; /* Emerald Green */
  --trk-2: #2563eb; /* Royal Blue */
  --trk-3: #d97706; /* Amber Gold */
  --trk-4: #dc2626; /* Coral Crimson */
  --trk-5: #7c3aed; /* Purple */
  --trk-6: #0284c7; /* Sky */

  --trk-primary: #18191c;
  --trk-primary-text: #ffffff;
  --trk-accent-green: #059669;
  
  --shadow-clean: 0 4px 16px rgba(0, 0, 0, 0.04);
  --shadow-clean-hover: 0 10px 28px rgba(0, 0, 0, 0.08);
  --shadow-modal: 0 20px 45px rgba(0, 0, 0, 0.16);
  
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'Space Mono', monospace;
  
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

[data-theme="dark"] {
  /* Dark Theme (Minimal Noir) */
  --bg-main: #11131a;
  --bg-surface: #191c26;
  --bg-card: #1f2330;
  --bg-subtle: #242938;
  --bg-overlay: rgba(0, 0, 0, 0.85);
  
  --text-main: #f0f2f5;
  --text-secondary: #b0b5c0;
  --text-muted: #727785;
  
  --border-color: #2b3040;
  --border-hover: #40485c;
  
  --trk-primary: #f0f2f5;
  --trk-primary-text: #11131a;

  --shadow-clean: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-clean-hover: 0 10px 28px rgba(0, 0, 0, 0.45);
  --shadow-modal: 0 20px 45px rgba(0, 0, 0, 0.6);
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Top Announcement Ribbon */
.trueka-top-ribbon {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  font-size: 0.82rem;
  color: var(--text-secondary);
  padding: 8px 0;
}

.ribbon-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.ribbon-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: var(--bg-subtle);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  color: var(--text-muted);
}

/* Header & Trueka Branding */
.site-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 74px;
}

.trueka-logo {
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.trueka-letters {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 2.2rem;
  letter-spacing: -1.5px;
  line-height: 1;
  display: flex;
}

.letter-t { color: var(--trk-1); }
.letter-r { color: var(--trk-2); }
.letter-u { color: var(--trk-3); }
.letter-e { color: var(--trk-4); }
.letter-k { color: var(--trk-5); }
.letter-a { color: var(--trk-6); }

.trueka-tagline {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* Search Box */
.search-box {
  position: relative;
  flex: 1;
  max-width: 420px;
}

.search-box input {
  width: 100%;
  padding: 11px 36px 11px 38px;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--text-main);
  outline: none;
  transition: all 0.2s ease;
}

.search-box input:focus {
  border-color: var(--trk-2);
  background: var(--bg-surface);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.clear-search-btn {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--text-muted);
  cursor: pointer;
}

/* Buttons */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-trueka-primary {
  background: var(--trk-primary);
  color: var(--trk-primary-text);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.btn-trueka-primary:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.btn-trueka-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-trueka-outline:hover {
  border-color: var(--trk-2);
  color: var(--trk-2);
  background: var(--bg-surface);
}

.btn-icon {
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 14px;
}

.btn-user-handle {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--trk-2);
}

.btn-user-handle:hover {
  background: var(--bg-surface);
  border-color: var(--trk-2);
}

.cart-badge-trueka {
  background: var(--trk-4);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-full);
}

.btn-whatsapp {
  background: #25d366;
  color: #ffffff;
}

.btn-whatsapp:hover {
  background: #20ba59;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: var(--bg-surface);
  border-color: var(--border-hover);
}

.btn-block { width: 100%; }
.btn-lg { padding: 13px 22px; font-size: 0.95rem; }
.btn-sm { padding: 5px 12px; font-size: 0.8rem; }

/* Hero Clean */
.main-container {
  padding-top: 28px;
  padding-bottom: 64px;
  flex: 1;
}

.hero-clean {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  margin-bottom: 30px;
  box-shadow: var(--shadow-clean);
}

.trueka-color-dots {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}

.trueka-color-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-1 { background: var(--trk-1); }
.dot-2 { background: var(--trk-2); }
.dot-3 { background: var(--trk-3); }
.dot-4 { background: var(--trk-4); }
.dot-5 { background: var(--trk-5); }
.dot-6 { background: var(--trk-6); }

.hero-clean h1 {
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1.18;
  margin-bottom: 10px;
  letter-spacing: -0.5px;
}

.hero-clean p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 760px;
  margin-bottom: 24px;
}

.hero-steps-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.hero-step-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--trk-1);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Dual Filter Mode Tabs */
.filter-tabs-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.filter-mode-toggle {
  display: inline-flex;
  background: var(--bg-subtle);
  padding: 4px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
}

.mode-tab-btn {
  padding: 7px 18px;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mode-tab-btn.active {
  background: var(--bg-surface);
  color: var(--text-main);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.filter-mode-hint {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Category Pills & Filters */
.catalog-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.catalog-filter-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.category-pills {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.pill-btn {
  padding: 7px 15px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.pill-btn:hover {
  border-color: var(--trk-2);
  color: var(--text-main);
}

.pill-btn.active {
  background: var(--trk-primary);
  color: var(--trk-primary-text);
  border-color: var(--trk-primary);
}

.filter-selects {
  display: flex;
  gap: 8px;
  align-items: center;
}

.clean-select {
  padding: 8px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.84rem;
  outline: none;
  cursor: pointer;
}

.catalog-info-line {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.reset-btn-clean {
  background: none;
  border: none;
  color: var(--trk-4);
  font-weight: 600;
  cursor: pointer;
  font-size: 0.84rem;
}

/* Product / Trade Grid */
.product-grid-trueka {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.trueka-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

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

.card-image-wrap {
  position: relative;
  width: 100%;
  height: 210px;
  background: var(--bg-subtle);
  overflow: hidden;
}

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

.trueka-card:hover .card-img {
  transform: scale(1.04);
}

.score-badge-card {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(18, 20, 28, 0.75);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
}

.cat-badge-card {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--bg-surface);
  color: var(--text-main);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.card-content {
  padding: 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-seller-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.76rem;
  margin-bottom: 6px;
}

.seller-handle {
  color: var(--trk-2);
  font-weight: 700;
}

.seller-location {
  color: var(--text-muted);
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 6px;
  color: var(--text-main);
}

.card-desc {
  font-size: 0.84rem;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}

/* Barter Wishlist Box inside Card */
.card-barter-box {
  background: var(--bg-subtle);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px;
  margin-bottom: 14px;
}

.barter-box-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.barter-box-label span.icon {
  color: var(--trk-4);
}

.barter-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 4px;
}

.barter-tag-mini {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.72rem;
  padding: 2px 7px;
  border-radius: var(--radius-xs);
  font-weight: 500;
}

.barter-note-quote {
  font-size: 0.74rem;
  color: var(--text-secondary);
  font-style: italic;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.linked-badge-pill {
  font-size: 0.7rem;
  background: rgba(37, 99, 235, 0.1);
  color: var(--trk-2);
  border-radius: var(--radius-xs);
  padding: 2px 6px;
  margin-bottom: 8px;
  font-weight: 600;
}

.proposals-chip-card {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--trk-1);
  background: rgba(5, 150, 105, 0.12);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 8px;
  align-self: flex-start;
}

/* Card Footer */
.card-footer {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.card-ref-price {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
}

.card-ref-price strong {
  font-size: 0.98rem;
  color: var(--text-main);
  font-weight: 800;
}

.card-status-indicator {
  display: flex;
  align-items: center;
}

.badge-available-pill {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--trk-1);
  background: rgba(5, 150, 105, 0.1);
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

.badge-completed-pill {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--bg-subtle);
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--bg-overlay);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-overlay:not([hidden]) {
  opacity: 1;
  pointer-events: auto;
}

.trueka-modal {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px;
  position: relative;
  box-shadow: var(--shadow-modal);
}

.modal-lg {
  max-width: 860px;
}

.modal-close-btn-trueka {
  position: absolute;
  top: 18px;
  right: 18px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  z-index: 10;
}

.modal-close-btn-trueka:hover {
  background: var(--border-color);
}

.modal-header-trueka {
  margin-bottom: 20px;
}

.modal-header-trueka h2 {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.2;
}

.modal-header-trueka p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* Detail Modal Layout */
.product-modal-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 32px;
}

.modal-media-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal-image-container {
  position: relative;
  height: 320px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
}

.modal-product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.score-badge-floating {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(18, 20, 28, 0.8);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  backdrop-filter: blur(6px);
}

.modal-seller-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-subtle);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.seller-avatar-icon {
  font-size: 1.6rem;
}

.seller-meta {
  display: flex;
  flex-direction: column;
}

.seller-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
}

.seller-loc {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.modal-product-info {
  display: flex;
  flex-direction: column;
}

.modal-badge-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.cat-tag-pill {
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  padding: 3px 9px;
  border-radius: var(--radius-full);
}

.stock-tag-trueka {
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(5, 150, 105, 0.14);
  color: var(--trk-1);
  padding: 3px 9px;
  border-radius: var(--radius-full);
}

.modal-title-trueka {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

/* Wishlist Callout Box */
.wishlist-highlight-box {
  background: rgba(37, 99, 235, 0.05);
  border: 1px solid rgba(37, 99, 235, 0.25);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 16px;
}

.wishlist-box-header {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
}

.wishlist-icon {
  font-size: 1.4rem;
}

.wishlist-subtitle {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.modal-looking-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.wishlist-pill-item {
  background: var(--bg-surface);
  border: 1px solid var(--trk-2);
  color: var(--trk-2);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.modal-looking-note {
  font-size: 0.86rem;
  color: var(--text-main);
  background: var(--bg-surface);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border-color);
}

.specs-box-trueka {
  background: var(--bg-subtle);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 14px;
}

.section-subheading {
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.modal-desc-trueka {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

/* Proposals Section */
.trade-proposals-section {
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
  margin-bottom: 18px;
}

.proposals-header {
  margin-bottom: 10px;
}

.proposals-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.proposals-list-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 180px;
  overflow-y: auto;
  padding-right: 4px;
}

.proposal-item-card {
  display: flex;
  gap: 12px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px;
  align-items: center;
}

.proposal-item-thumb {
  width: 50px;
  height: 50px;
  object-fit: cover;
  border-radius: var(--radius-xs);
  flex-shrink: 0;
}

.proposal-item-details {
  flex: 1;
  font-size: 0.82rem;
}

.proposal-item-title {
  font-weight: 700;
  color: var(--text-main);
}

.proposal-item-msg {
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-style: italic;
}

.modal-actions-trueka {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
}

/* Forms */
.clean-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-section-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-color);
}

.form-section-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
}

.step-circle {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--trk-primary);
  color: var(--trk-primary-text);
  font-size: 0.8rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px 14px;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text-main);
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--trk-2);
  background: var(--bg-surface);
}

/* Multiselect Pills */
.multiselect-pills-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.multi-pill {
  cursor: pointer;
}

.multi-pill input[type="checkbox"] {
  display: none;
}

.multi-pill span {
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--bg-main);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.2s ease;
  user-select: none;
}

.multi-pill input[type="checkbox"]:checked + span {
  background: var(--trk-2);
  color: #ffffff;
  border-color: var(--trk-2);
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
}

/* File Dropzone & Image Preview */
.image-upload-wrapper {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.file-dropzone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  background: var(--bg-main);
  cursor: pointer;
  position: relative;
  transition: all 0.2s ease;
}

.file-dropzone:hover {
  border-color: var(--trk-2);
  background: var(--bg-surface);
}

.file-input-hidden {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.dropzone-prompt {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 0.88rem;
  pointer-events: none;
}

.upload-icon {
  font-size: 1.8rem;
}

.image-preview-box {
  position: relative;
  width: 100%;
  height: 160px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.image-preview-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.btn-remove-preview {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.7);
  color: #ffffff;
  border: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preset-images-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.preset-label {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.preset-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.preset-chip, .preset-chip-propose {
  padding: 4px 10px;
  font-size: 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.2s ease;
}

.preset-chip:hover, .preset-chip-propose:hover {
  border-color: var(--trk-2);
  background: var(--bg-subtle);
}



.modal-secondary-actions-row {
  display: flex;
  gap: 8px;
  width: 100%;
}

.flex-1 {
  flex: 1;
}

/* Target item summary card in Propose modal */
.target-item-summary-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 16px;
}

.target-summary-thumb {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.target-summary-info {
  display: flex;
  flex-direction: column;
}

.target-summary-tag {
  font-size: 0.72rem;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--text-muted);
}

.target-summary-info h4 {
  font-size: 1.05rem;
  font-weight: 700;
}

.target-summary-wants {
  font-size: 0.8rem;
  color: var(--trk-2);
}

/* Promote to Catalog Checkbox Box */
.promo-catalog-checkbox-box {
  background: rgba(5, 150, 105, 0.06);
  border: 1px solid rgba(5, 150, 105, 0.25);
  border-radius: var(--radius-md);
  padding: 12px 16px;
}

.custom-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
}

.custom-checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  accent-color: var(--trk-1);
}

.checkbox-text {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
}

.checkbox-text strong {
  color: var(--text-main);
}

.checkbox-text span {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* Drawer */
.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 250;
  background: var(--bg-overlay);
  backdrop-filter: blur(4px);
  display: flex;
  justify-content: flex-end;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.drawer-overlay:not([hidden]) {
  opacity: 1;
  pointer-events: auto;
}

.trueka-drawer {
  background: var(--bg-surface);
  width: 100%;
  max-width: 440px;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 28px;
  box-shadow: var(--shadow-modal);
}

.drawer-header-trueka {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.drawer-header-trueka h2 {
  font-size: 1.35rem;
  font-weight: 800;
}

.drawer-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.cart-items-list-clean {
  flex: 1;
  overflow-y: auto;
  padding: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cart-item-card {
  display: flex;
  gap: 12px;
  background: var(--bg-main);
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  align-items: center;
}

.cart-item-img {
  width: 58px;
  height: 58px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.cart-item-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.cart-item-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
}

.cart-item-seller {
  font-size: 0.78rem;
  color: var(--trk-2);
  font-weight: 600;
}

.cart-item-wants {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.cart-item-remove {
  background: none;
  border: none;
  color: var(--trk-4);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 4px;
}

.cart-footer-trueka {
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cart-info-banner {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.checkout-form-clean {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.btn-link-clean {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  text-decoration: underline;
  font-size: 0.8rem;
}



/* Footer */
.site-footer-trueka {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
  text-align: center;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.trueka-letters-sm {
  font-weight: 800;
  font-size: 1.6rem;
  letter-spacing: -1px;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--text-main);
  color: var(--bg-surface);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-modal);
  transition: opacity 0.3s ease;
}

.toast-success {
  background: #059669;
  color: #ffffff;
}

.toast-error {
  background: #dc2626;
  color: #ffffff;
}

.toast-info {
  background: #18191c;
  color: #ffffff;
}

/* Utilities */
.mt-4 { margin-top: 16px; }
/* Modal Drag Handle & Profile Helpers */
.modal-drag-handle {
  display: none;
}

.profile-quick-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 4px 0 12px;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
}

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

.stat-info {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.stat-info strong {
  font-size: 1.1rem;
  color: var(--text-main);
  font-weight: 800;
}

.stat-info span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.profile-theme-quick {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  margin-bottom: 12px;
}

/* Mobile Bottom Navigation (Hidden on Desktop) */
.mobile-bottom-nav {
  display: none;
}

/* ==========================================================================
   Comprehensive Mobile & Smartphone Responsiveness
   Preserves 100% of desktop layout while transforming smartphone experience
   ========================================================================== */

/* Tablet & Smaller Laptops (<= 992px) */
@media (max-width: 992px) {
  .product-modal-layout {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .modal-image-container {
    height: 260px;
  }
}

/* Smartphones & Small Tablets (<= 768px) */
@media (max-width: 768px) {
  /* Prevent horizontal scrolling & set mobile touch dynamics */
  html, body {
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
  }

  body {
    padding-bottom: 0;
  }

  .container {
    padding: 0 16px;
  }

  /* Hide Announcement Ribbon on mobile to maximize screen area */
  .trueka-top-ribbon {
    display: none !important;
  }

  .site-header {
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }

  .header-content {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-areas: 
      "logo actions"
      "search search";
    align-items: center;
    gap: 8px 10px;
    padding: 10px 16px 12px;
    height: auto;
  }

  .trueka-logo {
    grid-area: logo;
  }

  .trueka-letters {
    font-size: 1.65rem;
    letter-spacing: -1px;
  }

  .trueka-tagline {
    display: none;
  }

  .header-actions {
    grid-area: actions;
    justify-self: end;
    gap: 6px;
  }

  #sellItemBtn {
    display: inline-flex;
    padding: 6px 11px;
    font-size: 0.78rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    white-space: nowrap;
  }

  .btn-user-handle {
    padding: 6px 10px;
    font-size: 0.78rem;
    max-width: 130px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  #currentUserNameLabel {
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: inline-block;
    vertical-align: middle;
  }

  #themeToggleBtn {
    padding: 6px 10px;
    border-radius: var(--radius-full);
    min-width: 36px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  #themeToggleBtn .theme-label {
    display: none;
  }

  #cartToggleBtn {
    padding: 6px 10px;
    border-radius: var(--radius-full);
    min-width: 36px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
  }

  #cartToggleBtn span:first-child {
    display: none;
  }

  #cartToggleBtn::before {
    content: "🔄";
    font-size: 0.95rem;
  }

  .cart-badge-trueka {
    margin-left: 4px;
    padding: 1px 6px;
    font-size: 0.7rem;
  }

  /* Full-width Search Box */
  .search-box {
    grid-area: search;
    width: 100%;
    max-width: 100%;
    margin: 0;
  }

  .search-box input {
    padding: 10px 36px 10px 38px;
    font-size: 0.88rem;
    border-radius: var(--radius-full);
  }

  /* Main Container & Hero on Mobile */
  .main-container {
    padding-top: 14px;
    padding-bottom: 24px;
  }

  .hero-clean {
    padding: 18px 16px 20px;
    margin-bottom: 20px;
    border-radius: var(--radius-md);
  }

  .trueka-color-dots {
    margin-bottom: 8px;
    gap: 5px;
  }

  .trueka-color-dots span {
    width: 8px;
    height: 8px;
  }

  .hero-clean h1 {
    font-size: 1.35rem;
    line-height: 1.25;
    letter-spacing: -0.3px;
    margin-bottom: 6px;
  }

  .hero-clean p {
    font-size: 0.85rem;
    line-height: 1.45;
    margin-bottom: 14px;
  }

  .hero-steps-row {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-top: 12px;
    padding-bottom: 4px;
    scrollbar-width: none;
    -ms-overflow-style: none;
    grid-template-columns: none;
    -webkit-overflow-scrolling: touch;
  }

  .hero-steps-row::-webkit-scrollbar {
    display: none;
  }

  .hero-step-item {
    flex: 0 0 auto;
    width: 230px;
    background: var(--bg-main);
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    font-size: 0.78rem;
    align-items: flex-start;
  }

  .step-num {
    width: 20px;
    height: 20px;
    font-size: 0.7rem;
  }

  /* Dual Mode Filter Tabs on Mobile */
  .filter-tabs-container {
    margin-bottom: 8px;
    gap: 8px;
  }

  .filter-mode-toggle {
    width: 100%;
    display: flex;
    padding: 3px;
  }

  .mode-tab-btn {
    flex: 1;
    padding: 8px 6px;
    font-size: 0.78rem;
    text-align: center;
    white-space: nowrap;
    border-radius: var(--radius-full);
  }

  .filter-mode-hint {
    font-size: 0.75rem;
    width: 100%;
    text-align: center;
  }

  /* Category Pills & Dropdown Selects */
  .catalog-filter-row {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .category-pills {
    width: 100%;
    padding: 2px 0 6px;
    gap: 6px;
    scrollbar-width: none;
    -ms-overflow-style: none;
    -webkit-overflow-scrolling: touch;
  }

  .category-pills::-webkit-scrollbar {
    display: none;
  }

  .pill-btn {
    padding: 6px 13px;
    font-size: 0.78rem;
    flex-shrink: 0;
  }

  .filter-selects {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .clean-select {
    width: 100%;
    padding: 8px 12px;
    font-size: 0.78rem;
    border-radius: var(--radius-full);
    text-overflow: ellipsis;
  }

  .catalog-info-line {
    font-size: 0.78rem;
    flex-wrap: wrap;
    gap: 6px;
  }

  /* Form Elements - Prevent iOS Zoom */
  .form-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 16px !important;
    padding: 10px 12px;
  }

  .multi-pill span {
    padding: 7px 14px;
    font-size: 0.8rem;
  }

  /* Toasts at Top on Mobile */
  .toast-container {
    top: 14px;
    bottom: auto;
    right: 14px;
    left: 14px;
    align-items: center;
  }

  .toast {
    width: 100%;
    max-width: 360px;
    text-align: center;
    font-size: 0.82rem;
    padding: 10px 16px;
  }
}

/* Smartphone Screens (<= 640px) - 2-Column High-Density Grid & Bottom Sheets */
@media (max-width: 640px) {
  /* 2-Column Barter Catalog Grid */
  .product-grid-trueka {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .trueka-card {
    border-radius: var(--radius-sm);
    cursor: pointer;
  }

  .card-image-wrap {
    height: 135px;
  }

  .cat-badge-card {
    top: 6px;
    left: 6px;
    font-size: 0.62rem;
    padding: 2px 6px;
    max-width: 72%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    border-radius: var(--radius-xs);
  }

  .score-badge-card {
    top: 6px;
    right: 6px;
    font-size: 0.62rem;
    padding: 2px 5px;
  }

  .card-content {
    padding: 10px 8px 10px;
    gap: 3px;
  }

  .card-seller-row {
    font-size: 0.68rem;
    margin-bottom: 2px;
  }

  .seller-location {
    display: none;
  }

  .linked-badge-pill {
    font-size: 0.62rem;
    padding: 1px 4px;
    margin-bottom: 3px;
  }

  .card-title {
    font-size: 0.82rem;
    line-height: 1.25;
    margin-bottom: 3px;
    height: 2.5em;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }

  .card-desc {
    display: none;
  }

  .card-barter-box {
    padding: 6px 7px;
    margin-bottom: 6px;
    border-radius: var(--radius-xs);
  }

  .barter-box-label {
    font-size: 0.68rem;
    margin-bottom: 3px;
  }

  .barter-tags-list {
    gap: 3px;
    margin-bottom: 0;
  }

  .barter-tag-mini {
    font-size: 0.62rem;
    padding: 1px 5px;
  }

  .barter-note-quote {
    display: none;
  }

  .proposals-chip-card {
    font-size: 0.65rem;
    padding: 1px 6px;
    margin-bottom: 3px;
  }

  .card-footer {
    padding-top: 8px;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }

  .card-ref-price {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    font-size: 0.72rem;
  }

  .card-ref-price strong {
    font-size: 0.85rem;
  }

  .card-actions-group {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 4px;
    width: 100%;
  }

  .card-actions-group .btn {
    padding: 6px 4px;
    font-size: 0.72rem;
    border-radius: var(--radius-full);
    white-space: nowrap;
    text-align: center;
  }

  /* Modals as Modern Bottom Sheets */
  .modal-overlay {
    padding: 0;
    align-items: flex-end;
  }

  .trueka-modal {
    max-width: 100%;
    width: 100%;
    max-height: 90vh;
    border-radius: 22px 22px 0 0;
    padding: 16px 16px calc(24px + env(safe-area-inset-bottom, 0px));
    border-bottom: none;
    animation: slideUpBottomSheet 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  }

  @keyframes slideUpBottomSheet {
    from {
      transform: translateY(100%);
    }
    to {
      transform: translateY(0);
    }
  }

  .modal-drag-handle {
    display: block;
    width: 38px;
    height: 4px;
    border-radius: 9999px;
    background: var(--border-hover);
    margin: 0 auto 14px;
  }

  .modal-close-btn-trueka {
    top: 14px;
    right: 14px;
    width: 30px;
    height: 30px;
    font-size: 1.15rem;
  }

  .modal-header-trueka h2 {
    font-size: 1.25rem;
  }

  .modal-image-container {
    height: 200px;
  }

  .modal-title-trueka {
    font-size: 1.25rem;
    margin-bottom: 12px;
  }

  .wishlist-highlight-box {
    padding: 12px;
    margin-bottom: 12px;
  }

  .specs-box-trueka {
    padding: 10px 12px;
    font-size: 0.8rem;
  }

  .modal-actions-trueka {
    position: sticky;
    bottom: 0;
    background: var(--bg-surface);
    padding-top: 12px;
    padding-bottom: 4px;
    border-top: 1px solid var(--border-color);
    z-index: 15;
    margin-top: 16px;
  }

  .modal-actions-trueka .btn-lg {
    padding: 12px 16px;
    font-size: 0.88rem;
  }

  /* Cart Drawer Full Width on Mobile */
  .trueka-drawer {
    max-width: 100%;
    width: 100%;
    padding: 20px 16px calc(24px + env(safe-area-inset-bottom, 0px));
  }

  .drawer-header-trueka h2 {
    font-size: 1.25rem;
  }

  .cart-item-card {
    padding: 10px;
    gap: 10px;
  }

  .cart-item-img {
    width: 52px;
    height: 52px;
  }

  .site-footer-trueka {
    padding: 28px 16px;
    font-size: 0.78rem;
  }
}