/* ====================================================================
   YÊN VŨ LÂU - CỔ TRANG LÃNG MẠN & HIỆN ĐẠI (PEACH BLOSSOM & ROYAL GOLD)
   ==================================================================== */

:root {
  /* Tông màu Sáng - Xu hướng Pearl Rose, Đào Phai & Ánh Kim (Mặc định) */
  --bg-primary: #fff8f6;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.82);
  --bg-card-hover: rgba(255, 255, 255, 0.96);
  --border-subtle: rgba(225, 29, 72, 0.14);
  --border-hover: rgba(217, 119, 6, 0.45);
  --border-gold: rgba(245, 158, 11, 0.55);
  
  --text-main: #2a1215;
  --text-secondary: #5c2830;
  --text-muted: #8c535c;
  
  --accent-crimson: #e11d48;
  --accent-rose: #f43f5e;
  --accent-gold: #d97706;
  --accent-gold-light: #fbbf24;
  --accent-telegram: #0088cc;
  --accent-facebook: #1877f2;
  
  --shadow-soft: 0 10px 30px -5px rgba(225, 29, 72, 0.08), 0 4px 12px -2px rgba(217, 119, 6, 0.06);
  --shadow-hover: 0 16px 36px -6px rgba(225, 29, 72, 0.16), 0 6px 16px -3px rgba(217, 119, 6, 0.12);
  --shadow-gold: 0 8px 28px rgba(245, 158, 11, 0.25);

  --font-serif: 'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --transition-smooth: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Chế độ Ban Đêm - Huyền Dạ Cổ Trang (Midnight Indigo & Crimson Gold) */
[data-theme="dark"] {
  --bg-primary: #161124;
  --bg-secondary: #221a36;
  --bg-card: rgba(36, 27, 58, 0.78);
  --bg-card-hover: rgba(48, 36, 77, 0.92);
  --border-subtle: rgba(251, 191, 36, 0.18);
  --border-hover: rgba(251, 191, 36, 0.5);
  --border-gold: rgba(251, 191, 36, 0.65);

  --text-main: #fff1f2;
  --text-secondary: #fecdd3;
  --text-muted: #cbd5e1;

  --accent-crimson: #fb7185;
  --accent-rose: #f43f5e;
  --accent-gold: #fbbf24;
  --accent-gold-light: #fde68a;

  --shadow-soft: 0 10px 30px -5px rgba(0, 0, 0, 0.45);
  --shadow-hover: 0 16px 36px -6px rgba(244, 63, 94, 0.25);
  --shadow-gold: 0 8px 30px rgba(251, 191, 36, 0.28);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 20px 16px 56px;
  position: relative;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(251, 113, 133, 0.18) 0%, transparent 45%),
    radial-gradient(circle at 85% 15%, rgba(251, 191, 36, 0.16) 0%, transparent 45%),
    radial-gradient(circle at 50% 80%, rgba(244, 63, 94, 0.1) 0%, transparent 50%);
  background-attachment: fixed;
  transition: background-color 0.35s ease, color 0.35s ease;
}

/* Hiệu ứng cánh hoa đào rơi nhẹ nhàng */
.petal-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.petal {
  position: absolute;
  background: linear-gradient(135deg, #fda4af, #f43f5e);
  border-radius: 150% 0 150% 0;
  opacity: 0.35;
  filter: blur(0.5px);
  animation: fall PetalFall linear infinite;
}

@keyframes PetalFall {
  0% {
    transform: translateY(-10vh) translateX(0) rotate(0deg);
    opacity: 0;
  }
  15% {
    opacity: 0.45;
  }
  85% {
    opacity: 0.45;
  }
  100% {
    transform: translateY(105vh) translateX(80px) rotate(360deg);
    opacity: 0;
  }
}

.bio-wrapper {
  width: 100%;
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  z-index: 1;
}

/* Header & Controls */
.top-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 4px;
}

.brand-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 15px;
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-crimson);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-soft);
}

.brand-chip i {
  color: var(--accent-gold);
}

.control-buttons {
  display: flex;
  gap: 8px;
}

.control-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
  font-size: 0.98rem;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
}

.control-btn:hover {
  color: var(--accent-crimson);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

/* Main Container */
main {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* Profile Card */
.profile-card {
  text-align: center;
  padding: 30px 24px 30px;
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  overflow: hidden;
  margin-bottom: 22px;
}

.profile-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 90px;
  background: linear-gradient(135deg, rgba(225, 29, 72, 0.14) 0%, rgba(245, 158, 11, 0.18) 50%, rgba(56, 189, 248, 0.12) 100%);
  z-index: 0;
}

.avatar-wrapper {
  position: relative;
  width: 146px;
  height: 146px;
  margin-bottom: 16px;
  z-index: 1;
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid #fbbf24;
  box-shadow: 0 10px 30px rgba(225, 29, 72, 0.28), 0 0 0 4px rgba(251, 191, 36, 0.2);
  background: #1a1025;
  transition: var(--transition-smooth);
}

.avatar-wrapper:hover .avatar-img {
  transform: scale(1.03);
}

.avatar-glow {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, #f43f5e, #fbbf24, #38bdf8, #f43f5e);
  z-index: -1;
  opacity: 0.55;
  filter: blur(12px);
  animation: pulseGlow 5s infinite alternate;
}

@keyframes pulseGlow {
  0% { opacity: 0.4; transform: scale(0.96); }
  100% { opacity: 0.75; transform: scale(1.04); }
}

.profile-name {
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 4px;
  z-index: 1;
  background: linear-gradient(135deg, var(--accent-crimson) 0%, #b45309 60%, var(--accent-crimson) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="dark"] .profile-name {
  background: linear-gradient(135deg, #fde68a 0%, #fbbf24 50%, #fb7185 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.verified-icon {
  color: #0ea5e9;
  -webkit-text-fill-color: #0ea5e9;
  font-size: 1.15rem;
}

.profile-handle {
  font-size: 0.9rem;
  color: var(--accent-gold);
  font-weight: 700;
  margin-bottom: 12px;
  z-index: 1;
  letter-spacing: 0.02em;
}

.profile-bio {
  font-size: 0.96rem;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 460px;
  margin: 0 auto 16px;
  font-weight: 500;
  z-index: 1;
}

/* Hộp cảnh báo Hỗ trợ duy nhất (Tránh lừa đảo) */
.security-support-badge {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(225, 29, 72, 0.1) 0%, rgba(251, 191, 36, 0.12) 100%);
  border: 1.5px dashed var(--accent-crimson);
  border-radius: var(--radius-md);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-main);
  text-decoration: none;
  transition: var(--transition-smooth);
  z-index: 1;
}

.security-support-badge:hover {
  background: linear-gradient(135deg, rgba(225, 29, 72, 0.16) 0%, rgba(251, 191, 36, 0.2) 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.security-support-badge strong {
  color: var(--accent-crimson);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Social Icon Bar */
.social-bar {
  display: flex;
  gap: 12px;
  justify-content: center;
  z-index: 1;
  margin-top: 10px;
  margin-bottom: 4px;
}

.social-icon-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  text-decoration: none;
  box-shadow: var(--shadow-soft);
  transition: var(--transition-smooth);
}

.social-icon-btn:hover {
  color: #ffffff;
  transform: translateY(-3px) scale(1.05);
}

.social-icon-btn[data-platform="telegram"]:hover {
  background: var(--accent-telegram);
  border-color: var(--accent-telegram);
}

.social-icon-btn[data-platform="facebook"]:hover {
  background: var(--accent-facebook);
  border-color: var(--accent-facebook);
}

.social-icon-btn[data-platform="messenger"]:hover {
  background: linear-gradient(135deg, #00b2ff, #006aff);
  border-color: #00b2ff;
}

.social-icon-btn[data-platform="website"]:hover {
  background: linear-gradient(135deg, var(--accent-crimson), var(--accent-gold));
  border-color: var(--accent-crimson);
}

/* Quick Action Links */
.links-section {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.section-label {
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-crimson);
  margin-left: 6px;
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.link-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text-main);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-soft);
  transition: var(--transition-smooth);
  overflow: hidden;
}

.link-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

/* Nút nổi bật (Highlight) đồng bộ màu Đỏ Chu Sa & Vàng Kim của Logo */
.link-card.highlight {
  border: 1.5px solid var(--border-gold);
  background: linear-gradient(135deg, rgba(225, 29, 72, 0.09) 0%, rgba(251, 191, 36, 0.14) 100%);
  box-shadow: var(--shadow-gold);
}

.link-card.highlight:hover {
  border-color: var(--accent-crimson);
  box-shadow: 0 12px 32px rgba(225, 29, 72, 0.22);
}

.link-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(225, 29, 72, 0.12), rgba(251, 191, 36, 0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: var(--accent-crimson);
  flex-shrink: 0;
  transition: var(--transition-smooth);
}

.link-card:hover .link-icon-box {
  transform: scale(1.08) rotate(-3deg);
}

.link-card[data-id="telegram-channel"] .link-icon-box {
  color: #ffffff;
  background: linear-gradient(135deg, #229ed9, #0077b5);
  box-shadow: 0 4px 12px rgba(34, 158, 217, 0.3);
}

.link-card[data-id="facebook-page"] .link-icon-box {
  color: #ffffff;
  background: linear-gradient(135deg, #1877f2, #0d5ab9);
  box-shadow: 0 4px 12px rgba(24, 119, 242, 0.3);
}

.link-card[data-id="telegram-cs"] .link-icon-box {
  color: #ffffff;
  background: linear-gradient(135deg, #e11d48, #be123c);
  box-shadow: 0 4px 12px rgba(225, 29, 72, 0.3);
}

.link-content {
  flex: 1;
  min-width: 0;
}

.link-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 3px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.link-badge {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 999px;
  background: linear-gradient(135deg, #e11d48, #d97706);
  color: #ffffff;
  letter-spacing: 0.02em;
}

.link-subtitle {
  font-size: 0.82rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.link-arrow {
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.link-card:hover .link-arrow {
  color: var(--accent-crimson);
  transform: translateX(4px);
}

/* Feed Section (Tabbed: Facebook vs Telegram) */
.feeds-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-xl);
  padding: 20px;
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-soft);
}

.feeds-header {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.feeds-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 4px;
}

.feeds-heading {
  font-size: 1.05rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-main);
}

.live-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #e11d48;
  box-shadow: 0 0 10px #e11d48;
  animation: blinkDot 2s infinite;
}

@keyframes blinkDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Tabs lưới 2 cột cân xứng 50-50 tuyệt đối */
.feed-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: rgba(225, 29, 72, 0.06);
  padding: 6px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  gap: 8px;
}

.tab-btn {
  height: 44px;
  padding: 0 10px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition-smooth);
}

.tab-btn.active {
  background: var(--bg-secondary);
  color: var(--text-main);
  box-shadow: 0 4px 12px rgba(225, 29, 72, 0.1);
}

.tab-btn[data-tab="facebook"].active {
  color: var(--accent-facebook);
  border: 1px solid rgba(24, 119, 242, 0.25);
}

.tab-btn[data-tab="telegram"].active {
  color: var(--accent-telegram);
  border: 1px solid rgba(0, 136, 204, 0.25);
}

.tab-pane {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Facebook Feed Container */
.fb-embed-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-secondary);
  padding: 10px;
  border: 1px solid var(--border-subtle);
  min-height: 480px;
}

.fb-page-iframe {
  width: 100%;
  max-width: 500px;
  height: 500px;
  border: none;
  overflow: hidden;
  border-radius: 10px;
}

/* Telegram Feed Container */
.tg-feed-wrapper {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.tg-action-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  background: linear-gradient(135deg, rgba(0, 136, 204, 0.12) 0%, rgba(225, 29, 72, 0.08) 100%);
  border: 1px solid rgba(0, 136, 204, 0.25);
  border-radius: var(--radius-md);
}

.tg-banner-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tg-banner-icon {
  font-size: 1.7rem;
  color: var(--accent-telegram);
}

.tg-banner-title {
  font-size: 0.95rem;
  font-weight: 700;
}

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

.tg-join-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  background: linear-gradient(135deg, #229ed9, #0077b5);
  color: #ffffff;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(34, 158, 217, 0.25);
  transition: var(--transition-smooth);
}

.tg-join-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(34, 158, 217, 0.35);
}

.tg-posts-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tg-post-card {
  padding: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: var(--transition-smooth);
}

.tg-post-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-soft);
}

.tg-post-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.76rem;
  color: var(--text-muted);
}

.tg-channel-name {
  color: var(--accent-telegram);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}

.tg-post-title {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text-main);
}

.tg-post-snippet {
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.tg-post-footer {
  display: flex;
  justify-content: flex-end;
  margin-top: 4px;
}

.tg-read-link {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-crimson);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.tg-read-link:hover {
  text-decoration: underline;
}

.tg-channel-frame {
  width: 100%;
  height: 480px;
  border: none;
  border-radius: var(--radius-md);
  background: #ffffff;
}

/* Footer */
.bio-footer {
  text-align: center;
  padding: 16px 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.bio-footer a {
  color: var(--accent-crimson);
  font-weight: 700;
  text-decoration: none;
}

.bio-footer a:hover {
  text-decoration: underline;
}

/* Toast Message */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: #2a1215;
  color: #ffffff;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 600;
  border: 1px solid var(--border-gold);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
}

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

/* QR Code Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(22, 17, 36, 0.65);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
  z-index: 999;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-secondary);
  border: 2px solid var(--border-gold);
  border-radius: var(--radius-xl);
  padding: 26px 24px;
  width: 100%;
  max-width: 330px;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-hover);
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.3rem;
  cursor: pointer;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--accent-crimson);
  margin-bottom: 6px;
}

.qr-code-img {
  width: 190px;
  height: 190px;
  margin: 16px auto;
  border-radius: 14px;
  background: #ffffff;
  padding: 10px;
  border: 1px solid var(--border-gold);
  box-shadow: var(--shadow-soft);
}

.modal-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
}