/* ===================================================
   MỘT LIỀU TUYẾT BẰNG 10 THANG THUỐC BỔ
   Stylesheets & Theme Variables
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@400;500;600;700&family=Be+Vietnam+Pro:wght@400;500;600;700;800&family=Pacifico&display=swap');

:root {
  --font-heading: 'Quicksand', 'Be Vietnam Pro', sans-serif;
  --font-body: 'Be Vietnam Pro', 'Quicksand', sans-serif;
  --font-hand: 'Pacifico', cursive;

  /* Bảng màu Băng Tuyết & Ấm Áp */
  --snow-white: #ffffff;
  --snow-soft: #f8fbfe;
  --snow-blue-50: #f0f7fd;
  --snow-blue-100: #e0f0fc;
  --snow-blue-200: #c2e2fa;
  --snow-blue-300: #93cef6;
  --snow-blue-400: #60b5f1;
  --snow-blue-500: #389de9;
  --snow-blue-600: #1a7ecf;
  --snow-blue-800: #164f84;
  --snow-dark: #0f2744;

  --frost-glow: rgba(147, 206, 246, 0.45);
  --frost-border: rgba(255, 255, 255, 0.85);
  --glass-bg: rgba(255, 255, 255, 0.82);
  --glass-bg-subtle: rgba(255, 255, 255, 0.65);
}

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

body {
  font-family: var(--font-body);
  color: var(--snow-dark);
  background: linear-gradient(180deg, #eaf4fc 0%, #f4f9fd 25%, #ffffff 60%, #eef6fd 100%);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  line-height: 1.6;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: #eef6fc;
}
::-webkit-scrollbar-thumb {
  background: #b5dcf7;
  border-radius: 999px;
  border: 2px solid #eef6fc;
}
::-webkit-scrollbar-thumb:hover {
  background: #7ec0ef;
}

/* Canvas Tuyết Rơi Nền */
#snow-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 10;
}

/* Glassmorphism Classes */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--frost-border);
  box-shadow: 0 12px 36px -10px rgba(130, 185, 230, 0.22);
}

.glass-pill {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.9);
}

.glass-card {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 10px 28px -8px rgba(147, 206, 246, 0.28);
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.glass-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px -10px rgba(96, 181, 241, 0.38);
  border-color: rgba(147, 206, 246, 0.6);
}

/* Nút Băng Tuyết Siêu To Khổng Lồ (CTA Button) */
.btn-ice-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: linear-gradient(135deg, #48a8f5 0%, #2581d6 50%, #156ebf 100%);
  color: #ffffff !important;
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: 0.5px;
  border-radius: 9999px;
  padding: 18px 42px;
  font-size: 1.15rem;
  box-shadow: 0 12px 30px rgba(37, 129, 214, 0.4), 
              0 0 0 3px rgba(255, 255, 255, 0.85),
              0 0 25px rgba(147, 206, 246, 0.6);
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn-ice-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    rgba(255, 255, 255, 0) 30%,
    rgba(255, 255, 255, 0.5) 50%,
    rgba(255, 255, 255, 0) 70%
  );
  transform: rotate(30deg);
  animation: shimmerLight 3.8s infinite;
}

.btn-ice-cta:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 18px 38px rgba(21, 110, 191, 0.5), 
              0 0 0 4px #ffffff,
              0 0 35px rgba(96, 181, 241, 0.8);
}

.btn-ice-cta:active {
  transform: translateY(1px) scale(0.98);
}

@keyframes shimmerLight {
  0% { transform: translateX(-150%) rotate(30deg); }
  35% { transform: translateX(150%) rotate(30deg); }
  100% { transform: translateX(150%) rotate(30deg); }
}

/* Hiệu ứng nhún nhảy dễ thương của Người Tuyết */
@keyframes cuteBounce {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-8px) rotate(1.5deg); }
}

.animate-cute-bounce {
  animation: cuteBounce 3.2s ease-in-out infinite;
}

@keyframes gentleFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.animate-float {
  animation: gentleFloat 4s ease-in-out infinite;
}

/* Mascots 9 Người Tuyết Hover & Jump */
.snowman-avatar {
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.snowman-avatar:hover {
  transform: translateY(-10px) scale(1.12);
}

/* Thẻ Vé Phim Người Tuyết (Snowman Ticket Styling) */
.cinema-ticket {
  background: #ffffff;
  border-radius: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 45px -10px rgba(56, 157, 233, 0.25);
  border: 2px dashed #bae6fd;
}

.cinema-ticket::before,
.cinema-ticket::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 24px;
  background: #f0f7fd;
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
}

.cinema-ticket::before {
  left: -12px;
  box-shadow: inset -2px 0 3px rgba(0,0,0,0.06);
}
.cinema-ticket::after {
  right: -12px;
  box-shadow: inset 2px 0 3px rgba(0,0,0,0.06);
}

/* Tab Active Indicator */
.tab-btn {
  transition: all 0.25s ease;
  position: relative;
}

.tab-btn.active {
  background: #ffffff;
  color: #1a7ecf;
  box-shadow: 0 4px 16px rgba(56, 157, 233, 0.2);
  font-weight: 700;
}

/* Modal Popup Fade */
.modal-overlay {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.modal-container {
  transform: scale(0.92) translateY(20px);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

/* Speech Bubble cho Người Tuyết */
.speech-bubble {
  position: relative;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(15, 39, 68, 0.1);
  border: 1.5px solid #d8ecfa;
}

.speech-bubble::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 10px 10px 0;
  border-style: solid;
  border-color: #ffffff transparent;
  display: block;
  width: 0;
}

/* Tag Badge */
.badge-completed {
  background-color: #ecfdf5;
  color: #059669;
  border: 1px solid #a7f3d0;
}

.badge-ongoing {
  background-color: #fffbeb;
  color: #d97706;
  border: 1px solid #fde68a;
}

/* Mô tả mặc định chỉ hiện tối đa 3 dòng */
.film-description {
  display: -webkit-box;
  -webkit-line-clamp: 3; /* Số dòng muốn hiển thị khi thu gọn */
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: all 0.3s ease;
  margin-bottom: 6px;
}

/* Khi bấm "Xem thêm" sẽ hiện toàn bộ nội dung */
.film-description.expanded {
  -webkit-line-clamp: unset;
  display: block;
}

/* Kiểu dáng nút Xem thêm / Rút gọn */
.btn-toggle-desc {
  background: transparent;
  border: none;
  color: #3b82f6; /* Màu xanh hài hòa với web */
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  margin-bottom: 8px;
  display: inline-block;
}

.btn-toggle-desc:hover {
  text-decoration: underline;
}