/* ============================================================
   DAY SELLING — Design System & Frontend Styles
   Premium dark luxury theme with gold accents
   ============================================================ */

/* ===== Google Fonts Import ===== */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Inter:wght@300;400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

/* ===== Design Tokens ===== */
:root {
  --primary: #c9a84c;
  --primary-rgb: 201,168,76;
  --primary-light: #f0d78c;
  --primary-dark: #9a7b2f;

  --bg-primary: #08080f;
  --bg-secondary: #0e0e1a;
  --bg-tertiary: #141425;
  --bg-card: rgba(201, 168, 76, 0.03);
  --bg-card-hover: rgba(201, 168, 76, 0.08);
  --bg-glass: rgba(14, 14, 26, 0.7);

  --gold: var(--primary);
  --gold-light: var(--primary-light);
  --gold-dark: var(--primary-dark);
  --gold-glow: rgba(var(--primary-rgb), 0.4);
  --gold-gradient: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--primary-light), var(--primary), var(--primary-dark));
  --gold-gradient-btn: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, var(--primary) 100%);

  --text-primary: #f5f0e8;
  --text-secondary: rgba(245, 240, 232, 0.6);
  --text-muted: rgba(245, 240, 232, 0.3);
  --text-gold: var(--primary);

  --danger: #e74c3c;
  --danger-glow: rgba(231, 76, 60, 0.3);
  --success: #2ecc71;

  --border: rgba(var(--primary-rgb), 0.12);
  --border-hover: rgba(var(--primary-rgb), 0.3);
  --border-gold: rgba(var(--primary-rgb), 0.5);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
  --shadow-gold: 0 0 60px rgba(var(--primary-rgb), 0.15);
  --shadow-gold-intense: 0 0 80px rgba(var(--primary-rgb), 0.25);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);

  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Space Mono', 'Courier New', monospace;

  --z-particles: 0;
  --z-content: 1;
  --z-header: 100;
  --z-modal: 200;
  --z-overlay: 300;
  --z-toast: 400;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

a {
  color: var(--gold);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--gold-light);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  outline: none;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--primary-dark);
  border-radius: var(--radius-full);
}

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

/* ===== Particles Background ===== */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-particles);
  pointer-events: none;
}

/* ===== Background Glow Effects ===== */
.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: var(--z-particles);
}

.bg-glow--gold {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(var(--primary-rgb), 0.08), transparent 70%);
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  animation: float-glow 8s ease-in-out infinite;
}

.bg-glow--purple {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(100, 60, 180, 0.06), transparent 70%);
  bottom: 10%;
  right: 10%;
  animation: float-glow 12s ease-in-out infinite reverse;
}

@keyframes float-glow {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-30px); }
}

/* ===== Header / Navigation ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  padding: 0 2rem;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(8, 8, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header__logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gold-gradient-btn);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--bg-primary);
  font-weight: 700;
  font-family: var(--font-heading);
}

.header__logo-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 2px;
  background: var(--gold-gradient);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

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

.header__admin-link {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 14px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-full);
  transition: all var(--transition);
}

.header__admin-link:hover {
  color: var(--gold);
  border-color: var(--border-hover);
}

/* ===== Auth Button ===== */
.auth-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition);
}

.auth-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-gold);
}

.auth-btn__avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  object-fit: cover;
}

.auth-btn__google-icon {
  width: 20px;
  height: 20px;
}

.auth-btn--signed-in {
  padding: 4px 16px 4px 4px;
}

/* ===== User Menu Dropdown ===== */
.user-menu {
  position: relative;
}

.user-menu__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 200px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition);
  box-shadow: var(--shadow-lg);
}

.user-menu__dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-menu__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: all var(--transition);
  width: 100%;
  background: transparent;
}

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

.user-menu__divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

.user-menu__email {
  padding: 10px 14px;
  font-size: 0.75rem;
  color: var(--text-muted);
  word-break: break-all;
}

/* ===== Main Content ===== */
.main {
  position: relative;
  z-index: var(--z-content);
  padding-top: 72px;
  min-height: 100vh;
}

/* ===== Hero Section ===== */
.hero {
  text-align: center;
  padding: 4rem 2rem 2rem;
  position: relative;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(var(--primary-rgb), 0.08);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
  animation: fadeInDown 0.8s ease-out;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.75rem;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero__title-accent {
  background: var(--gold-gradient);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s linear infinite;
}

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero__date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 1rem;
  letter-spacing: 2px;
  animation: fadeInUp 0.8s ease-out 0.5s both;
}

/* ===== Product Section ===== */
.product-section {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem;
  animation: fadeInUp 1s ease-out 0.6s both;
}

/* ===== Product Card ===== */
.product-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-slow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

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

.product-card__image-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-secondary);
}

.product-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.product-card__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(8, 8, 15, 0.9));
  pointer-events: none;
}

.product-card__limited-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 8px 16px;
  background: rgba(231, 76, 60, 0.9);  /* danger - not theme-dependent */
  backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: white;
  animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
  0%, 100% { box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(231, 76, 60, 0); }
}

.product-card__body {
  padding: 2rem 2.5rem 2.5rem;
}

.product-card__category {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

.product-card__name {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
}

.product-card__description {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.product-card__price {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gold);
}

.product-card__price-currency {
  font-size: 1.2rem;
  font-weight: 500;
  margin-right: 4px;
  opacity: 0.7;
}

/* ===== Buy Button ===== */
.buy-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 40px;
  background: var(--gold-gradient-btn);
  background-size: 200% auto;
  color: var(--bg-primary);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  transition: all var(--transition);
  overflow: hidden;
}

.buy-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent, rgba(255,255,255,0.3), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.buy-btn:hover {
  background-position: right center;
  box-shadow: 0 8px 30px rgba(201, 168, 76, 0.4);
  transform: translateY(-2px);
}

.buy-btn:hover::before {
  transform: translateX(100%);
}

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

.buy-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.buy-btn:disabled:hover {
  box-shadow: none;
}

.buy-btn:disabled::before {
  display: none;
}

.buy-btn--login {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: none;
}

.buy-btn--login:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-gold);
  background: var(--bg-card-hover);
}

/* ===== Sold Out Overlay ===== */
.sold-out-overlay {
  position: absolute;
  inset: 0;
  background: rgba(8, 8, 15, 0.85);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10;
  animation: fadeIn 0.5s ease-out;
}

.sold-out-stamp {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 700;
  color: var(--danger);
  text-transform: uppercase;
  letter-spacing: 8px;
  border: 6px solid var(--danger);
  padding: 10px 40px;
  transform: rotate(-12deg);
  animation: stamp-in 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  text-shadow: 0 0 40px var(--danger-glow);
  box-shadow: 0 0 40px var(--danger-glow);
}

@keyframes stamp-in {
  0% {
    transform: rotate(-12deg) scale(3);
    opacity: 0;
  }
  60% {
    transform: rotate(-12deg) scale(0.9);
    opacity: 1;
  }
  100% {
    transform: rotate(-12deg) scale(1);
    opacity: 1;
  }
}

.sold-out-buyer {
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-align: center;
}

.sold-out-buyer strong {
  color: var(--gold);
}

/* ===== Countdown Section ===== */
.countdown-section {
  text-align: center;
  padding: 4rem 2rem;
  max-width: 700px;
  margin: 0 auto;
}

.countdown__label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.countdown__timer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

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

.countdown__number {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  min-width: 80px;
  text-align: center;
  transition: all var(--transition);
}

.countdown__unit {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.countdown__separator {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  color: var(--gold);
  animation: blink 1s step-end infinite;
  margin-top: -20px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ===== History Section ===== */
.history-section {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.history__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.history__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
}

.history__line {
  flex: 1;
  height: 1px;
  background: var(--border);
  margin-left: 2rem;
}

.history__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}

.history-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  position: relative;
}

.history-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.history-card__image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  filter: grayscale(30%);
  transition: filter var(--transition);
}

.history-card:hover .history-card__image {
  filter: grayscale(0%);
}

.history-card__body {
  padding: 1.25rem;
}

.history-card__date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.history-card__name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.history-card__price {
  font-size: 0.9rem;
  color: var(--gold);
  font-weight: 600;
}

.history-card__sold-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  background: rgba(231, 76, 60, 0.85);
  border-radius: var(--radius-full);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: white;
}

.history-card__available-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  background: rgba(46, 204, 113, 0.85);
  border-radius: var(--radius-full);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: white;
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 6rem 2rem;
  animation: fadeInUp 0.8s ease-out;
}

.empty-state__icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.empty-state__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.empty-state__text {
  color: var(--text-secondary);
  max-width: 400px;
  margin: 0 auto;
}

/* ===== Footer ===== */
.footer {
  text-align: center;
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
  margin-top: 4rem;
}

.footer__text {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.footer__brand {
  color: var(--gold);
  font-weight: 600;
}

/* ===== Loading Spinner ===== */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto;
}

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

.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 6rem 2rem;
}

.loading-state__text {
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

/* ===== Toast Notification ===== */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 14px 28px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-toast);
  opacity: 0;
  transition: all var(--transition);
  backdrop-filter: blur(20px);
}

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

.toast--success {
  border-color: rgba(46, 204, 113, 0.3);
}

.toast--error {
  border-color: rgba(231, 76, 60, 0.3);
}

/* ===== Confirm Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  padding: 2rem;
}

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

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  max-width: 440px;
  width: 100%;
  transform: scale(0.9) translateY(20px);
  transition: all var(--transition);
  box-shadow: var(--shadow-lg);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  text-align: center;
}

.modal__text {
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 1rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

.modal__product-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gold);
  text-align: center;
  margin-bottom: 0.25rem;
}

.modal__product-price {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 2rem;
}

.modal__actions {
  display: flex;
  gap: 1rem;
}

.modal__btn {
  flex: 1;
  padding: 14px 20px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 1px;
  transition: all var(--transition);
}

.modal__btn--cancel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

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

.modal__btn--confirm {
  background: var(--gold-gradient-btn);
  background-size: 200% auto;
  color: var(--bg-primary);
}

.modal__btn--confirm:hover {
  background-position: right center;
  box-shadow: 0 4px 20px rgba(201, 168, 76, 0.3);
}

/* ===== Payment Placeholder ===== */
.payment-notice {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 1rem;
  padding: 0.75rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
}

/* ===== Keyframe Animations ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  .header {
    padding: 0 1rem;
    height: 60px;
  }

  .header__logo-text {
    font-size: 1rem;
  }

  .hero {
    padding: 3rem 1.5rem 1.5rem;
  }

  .product-section {
    padding: 1rem;
  }

  .product-card__body {
    padding: 1.5rem;
  }

  .product-card__footer {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .buy-btn {
    justify-content: center;
    width: 100%;
  }

  .countdown__timer {
    gap: 0.5rem;
  }

  .countdown__number {
    font-size: 1.8rem;
    padding: 10px 14px;
    min-width: 60px;
  }

  .countdown__separator {
    font-size: 1.5rem;
  }

  .history__grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
  }

  .sold-out-stamp {
    font-size: 2.5rem;
    letter-spacing: 4px;
    padding: 8px 24px;
    border-width: 4px;
  }

  .modal {
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .header__admin-link {
    display: none;
  }

  .auth-btn span {
    display: none;
  }

  .countdown__number {
    font-size: 1.4rem;
    min-width: 50px;
    padding: 8px 10px;
  }

  .product-card__price {
    font-size: 2rem;
  }
}

/* ===== Share Section ===== */
.share-section {
  text-align: center;
  padding: 1rem 2rem 2rem;
  max-width: 900px;
  margin: 0 auto;
  animation: fadeInUp 1s ease-out 0.8s both;
}

.share-section__title {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.share-section__buttons {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  transition: all var(--transition);
}

.share-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  color: var(--text-primary);
  box-shadow: var(--shadow-gold);
  transform: translateY(-2px);
}

/* ===== Fortune Cookie ===== */
.fortune-cookie {
  text-align: center;
  padding: 1.5rem 2rem;
  max-width: 700px;
  margin: 0 auto;
  animation: fadeInUp 1s ease-out 1s both;
}

.fortune-cookie__icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  animation: bounce-slow 3s ease-in-out infinite;
}

@keyframes bounce-slow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.fortune-cookie__text {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.6;
  padding: 12px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: inline-block;
}

/* ===== Urgency Pulse ===== */
@keyframes urgency-pulse {
  0%, 100% { border-color: var(--border); box-shadow: none; }
  50% { border-color: var(--danger); box-shadow: 0 0 30px var(--danger-glow), inset 0 0 15px rgba(231, 76, 60, 0.05); }
}

.product-card--urgent {
  animation: urgency-pulse 1.5s ease-in-out infinite;
}

/* ===== Footer Enhancements ===== */
.footer__links {
  margin-top: 8px;
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
}

.footer__link {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer__link:hover {
  color: var(--gold);
}

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

/* ===== Theme System (Dynamic Primary) ===== */
:root {
  --primary: #c9a84c;
  --primary-rgb: 201,168,76;
}

/* Override gold colors with dynamic primary */
.hero__badge {
  background: rgba(var(--primary-rgb), 0.08);
  color: var(--primary);
}

.hero__badge-dot {
  background: var(--primary);
}

.product-card__category {
  color: var(--primary);
}

.product-card__price {
  color: var(--primary);
}

.buy-btn {
  background: linear-gradient(135deg, var(--primary), color-mix(in srgb, var(--primary) 70%, white), var(--primary));
  background-size: 200% auto;
}

.sold-out-buyer strong {
  color: var(--primary);
}

/* ===== Responsive additions ===== */
@media (max-width: 768px) {
  .share-section {
    padding: 1rem;
  }
  .share-btn {
    font-size: 0.75rem;
    padding: 8px 14px;
  }
}

/* ===== Utility: Hidden ===== */
.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}