/* ============================================
   DOBOK.ORG — Global Stylesheet
   Taekwondo Training & Community Platform
   ============================================ */

/* --- Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Noto+Sans+KR:wght@400;700;900&display=swap');

/* --- CSS Variables --- */
:root {
  --red:       #C8102E;
  --red-dark:  #9C0C23;
  --red-light: #F5E6E8;
  --navy:      #0D1B2A;
  --navy-mid:  #1C2E40;
  --gold:      #E8A020;
  --gold-light:#FFF3D6;
  --white:     #FFFFFF;
  --off-white: #F8F9FB;
  --gray-100:  #F1F3F5;
  --gray-200:  #E2E6EA;
  --gray-400:  #9CA3AF;
  --gray-600:  #4B5563;
  --gray-800:  #1F2937;
  --font:      'Inter', sans-serif;
  --font-kr:   'Noto Sans KR', sans-serif;
  --radius:    12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow:    0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.14);
  --transition: 0.22s cubic-bezier(0.4,0,0.2,1);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: var(--font); }

/* --- Typography --- */
h1,h2,h3,h4,h5 { line-height: 1.2; font-weight: 800; color: var(--navy); }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.1rem; }
p  { color: var(--gray-600); }

/* --- Layout Utilities --- */
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.section    { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.flex   { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.text-center { text-align: center; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--red); color: var(--white);
  box-shadow: 0 4px 14px rgba(200,16,46,.30);
}
.btn-primary:hover { background: var(--red-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(200,16,46,.40); }
.btn-secondary {
  background: var(--white); color: var(--red);
  border: 2px solid var(--red);
}
.btn-secondary:hover { background: var(--red-light); }
.btn-dark {
  background: var(--navy); color: var(--white);
}
.btn-dark:hover { background: var(--navy-mid); }
.btn-gold {
  background: var(--gold); color: var(--white);
  box-shadow: 0 4px 14px rgba(232,160,32,.30);
}
.btn-gold:hover { background: #c98a18; transform: translateY(-1px); }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn-lg { padding: 16px 32px; font-size: 1.05rem; }

/* --- Badge --- */
.badge {
  display: inline-block; padding: 3px 10px;
  border-radius: 20px; font-size: 0.75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.badge-red   { background: var(--red-light); color: var(--red); }
.badge-gold  { background: var(--gold-light); color: var(--gold); }
.badge-navy  { background: #e6eaf0; color: var(--navy); }
.badge-green { background: #d1fae5; color: #065f46; }

/* --- Card --- */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.card-body { padding: 20px; }

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  height: 68px;
}
.navbar .container { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.navbar-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.4rem; font-weight: 900; color: var(--navy);
}
.navbar-logo .logo-icon {
  width: 38px; height: 38px;
  background: var(--red);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1.2rem; font-weight: 900;
}
.navbar-logo span.accent { color: var(--red); }
.navbar-logo span.kr { font-family: var(--font-kr); font-size: 0.75rem; color: var(--gray-400); margin-left: 4px; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 8px 14px; border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 500; color: var(--gray-600);
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { background: var(--gray-100); color: var(--navy); }
.nav-links a.active { font-weight: 700; color: var(--red); background: var(--red-light); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--red), var(--navy));
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 700; font-size: 0.85rem; cursor: pointer;
}

/* ── Logged-in user pill in navbar ── */
.nav-user-pill {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 12px 5px 5px;
  border-radius: 30px; border: 1px solid var(--gray-200);
  background: white; transition: var(--transition); cursor: pointer;
  text-decoration: none;
}
.nav-user-pill:hover { border-color: var(--red); box-shadow: 0 2px 8px rgba(200,16,46,.12); }
.nav-avatar-circle {
  width: 28px; height: 28px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem; font-weight: 900; color: white; flex-shrink: 0;
}
.nav-username-label { font-size: 0.82rem; font-weight: 700; color: var(--navy); }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--navy); border-radius: 2px; transition: var(--transition); }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 32px;
}
.footer-brand { color: white; }
.footer-brand .logo { font-size: 1.5rem; font-weight: 900; margin-bottom: 12px; }
.footer-brand .logo span { color: var(--red); }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 0.9rem; transition: var(--transition);
}
.footer-social a:hover { background: var(--red); }
.footer-col h4 { color: white; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.9rem; color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-col ul li a:hover { color: white; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; }
.footer-bottom span { display: flex; align-items: center; gap: 6px; }
.nonprofit-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,0.08); padding: 6px 12px;
  border-radius: 20px; font-size: 0.8rem; color: var(--gold);
  border: 1px solid rgba(232,160,32,0.3);
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--red-light); color: var(--red);
  padding: 6px 14px; border-radius: 20px;
  font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.section-header { margin-bottom: 48px; }
.section-header p { font-size: 1.05rem; margin-top: 12px; max-width: 580px; }
.section-header.text-center p { margin: 12px auto 0; }

/* ============================================
   SEARCH BAR
   ============================================ */
.search-bar {
  display: flex; align-items: center;
  background: var(--white); border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 4px 4px 4px 16px;
  transition: var(--transition);
  gap: 8px;
}
.search-bar:focus-within { border-color: var(--red); box-shadow: 0 0 0 4px rgba(200,16,46,.08); }
.search-bar input {
  flex: 1; border: none; outline: none;
  font-size: 0.95rem; color: var(--gray-800); background: transparent;
}
.search-bar input::placeholder { color: var(--gray-400); }

/* ============================================
   FILTER PILLS
   ============================================ */
.filter-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.pill {
  padding: 7px 16px; border-radius: 20px;
  border: 1.5px solid var(--gray-200);
  font-size: 0.85rem; font-weight: 500; color: var(--gray-600);
  cursor: pointer; transition: var(--transition); background: var(--white);
}
.pill:hover { border-color: var(--red); color: var(--red); }
.pill.active { background: var(--red); border-color: var(--red); color: white; }

/* ============================================
   VIDEO THUMBNAIL
   ============================================ */
.video-thumb {
  position: relative; overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--gray-200);
  aspect-ratio: 16/9;
}
.video-thumb img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.video-thumb:hover img { transform: scale(1.05); }
.play-btn {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 48px; height: 48px; background: rgba(255,255,255,0.92);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: var(--red); font-size: 1.1rem; box-shadow: 0 4px 16px rgba(0,0,0,.2);
  transition: var(--transition);
}
.video-thumb:hover .play-btn { transform: translate(-50%,-50%) scale(1.1); }
.duration {
  position: absolute; bottom: 8px; right: 8px;
  background: rgba(0,0,0,0.75); color: white;
  padding: 2px 8px; border-radius: 4px; font-size: 0.75rem; font-weight: 600;
}
.video-overlay-badge {
  position: absolute; top: 10px; left: 10px;
}

/* ============================================
   USER CARD
   ============================================ */
.user-chip {
  display: flex; align-items: center; gap: 8px;
}
.avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--red), var(--navy));
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 700; font-size: 0.75rem; flex-shrink: 0;
}
.avatar.lg { width: 48px; height: 48px; font-size: 1rem; }
.avatar.xl { width: 64px; height: 64px; font-size: 1.2rem; }
.avatar-img { object-fit: cover; }
.user-chip .name { font-weight: 600; font-size: 0.9rem; }
.user-chip .meta { font-size: 0.78rem; color: var(--gray-400); }

/* ============================================
   BELT RANK INDICATOR
   ============================================ */
.belt {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em;
}
.belt-stripe {
  width: 28px; height: 6px; border-radius: 3px;
}
.belt-white   .belt-stripe { background: #e0e0e0; border: 1px solid #ccc; }
.belt-yellow  .belt-stripe { background: #FBBF24; }
.belt-green   .belt-stripe { background: #22C55E; }
.belt-blue    .belt-stripe { background: #3B82F6; }
.belt-red     .belt-stripe { background: var(--red); }
.belt-black   .belt-stripe { background: var(--navy); }
.belt-black   { color: var(--navy); }
.belt-red     { color: var(--red); }
.belt-blue    { color: #3B82F6; }
.belt-green   { color: #22C55E; }
.belt-yellow  { color: #D97706; }

/* ============================================
   STAT BLOCKS
   ============================================ */
.stat-block { text-align: center; }
.stat-block .number { font-size: 2.2rem; font-weight: 900; color: var(--navy); line-height: 1; }
.stat-block .label  { font-size: 0.85rem; color: var(--gray-400); margin-top: 4px; }
.stat-block .number span { color: var(--red); }

/* ============================================
   FORUM THREAD ITEM
   ============================================ */
.thread-item {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 20px 0; border-bottom: 1px solid var(--gray-200);
  transition: var(--transition);
}
.thread-item:last-child { border-bottom: none; }
.thread-votes {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  min-width: 44px; text-align: center;
}
.thread-votes button {
  width: 28px; height: 28px; border-radius: 6px;
  border: 1.5px solid var(--gray-200);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; color: var(--gray-400); transition: var(--transition);
}
.thread-votes button:hover { border-color: var(--red); color: var(--red); }
.thread-votes .count { font-size: 0.85rem; font-weight: 700; color: var(--navy); }
.thread-body h4 { margin-bottom: 4px; transition: var(--transition); }
.thread-body h4:hover { color: var(--red); cursor: pointer; }
.thread-meta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.thread-meta span { font-size: 0.8rem; color: var(--gray-400); display: flex; align-items: center; gap: 4px; }

/* ============================================
   COMPETITION CARD
   ============================================ */
.comp-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.comp-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.comp-card-banner {
  height: 120px;
  display: flex; align-items: flex-end;
  padding: 16px;
  position: relative;
  overflow: hidden;
}
.comp-card-banner::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.6), transparent);
}
.comp-card-body { padding: 20px; }
.comp-meta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 12px 0; }
.comp-meta-row span { display: flex; align-items: center; gap: 5px; font-size: 0.82rem; color: var(--gray-600); }
.comp-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.countdown {
  background: var(--navy);
  color: white; border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex; gap: 16px; align-items: center; justify-content: center;
  margin: 12px 0;
}
.countdown .unit { text-align: center; }
.countdown .num { font-size: 1.4rem; font-weight: 900; line-height: 1; display: block; }
.countdown .lbl { font-size: 0.65rem; text-transform: uppercase; color: rgba(255,255,255,0.5); letter-spacing: 0.06em; }
.countdown .sep { font-size: 1.4rem; font-weight: 900; color: var(--red); margin-bottom: 16px; }

/* ============================================
   POOMSAE CARD
   ============================================ */
.form-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex; flex-direction: column;
}
.form-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.form-card-visual {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--navy), var(--navy-mid));
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; position: relative; overflow: hidden;
}
.form-card-visual::after {
  content: '';
  position: absolute; top: -30%; right: -20%;
  width: 200px; height: 200px;
  background: rgba(200,16,46,.15); border-radius: 50%;
}
.form-card-body { padding: 16px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.form-card-body h3 { font-size: 1rem; color: var(--navy); }
.form-card-body .kr-name { font-family: var(--font-kr); font-size: 0.85rem; color: var(--gray-400); }
.form-card-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--gray-100);
  display: flex; justify-content: space-between; align-items: center;
}

/* ============================================
   DIFFICULTY DOTS
   ============================================ */
.difficulty { display: flex; gap: 4px; align-items: center; }
.difficulty .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--gray-200);
}
.difficulty .dot.filled { background: var(--red); }
.difficulty span { font-size: 0.75rem; color: var(--gray-400); margin-left: 4px; }

/* ============================================
   HERO PATTERN BACKGROUND
   ============================================ */
.hero-pattern {
  background-image:
    radial-gradient(circle at 20% 50%, rgba(200,16,46,.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(13,27,42,.06) 0%, transparent 50%),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23000000' fill-opacity='0.025'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* ============================================
   PROGRESS BAR
   ============================================ */
.progress-bar {
  height: 6px; background: var(--gray-200); border-radius: 3px; overflow: hidden;
}
.progress-bar-fill { height: 100%; background: var(--red); border-radius: 3px; transition: width 1s ease; }

/* ============================================
   TABS
   ============================================ */
.tabs { display: flex; border-bottom: 2px solid var(--gray-200); margin-bottom: 32px; gap: 0; }
.tab-btn {
  padding: 12px 20px; font-size: 0.9rem; font-weight: 600;
  color: var(--gray-400); border-bottom: 2px solid transparent;
  margin-bottom: -2px; transition: var(--transition); cursor: pointer;
  background: none; border-top: none; border-left: none; border-right: none;
}
.tab-btn:hover { color: var(--navy); }
.tab-btn.active { color: var(--red); border-bottom-color: var(--red); }

/* ============================================
   NOTICE / ALERT BARS
   ============================================ */
.notice {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 18px; border-radius: var(--radius-sm);
  font-size: 0.9rem;
}
.notice-info   { background: #EFF6FF; border-left: 3px solid #3B82F6; color: #1E40AF; }
.notice-warn   { background: var(--gold-light); border-left: 3px solid var(--gold); color: #92400E; }
.notice-success{ background: #D1FAE5; border-left: 3px solid #22C55E; color: #065F46; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .section { padding: 56px 0; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  h1 { font-size: 2rem; }
}