/* ========================
   RESET & BASE
======================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  background: #0a0a0f;
  color: #e8e8f0;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #111; }
::-webkit-scrollbar-thumb { background: #333; border-radius: 3px; }

/* ========================
   VARIABLES
======================== */
:root {
  --primary: #7c6ef7;
  --primary-light: #9d8fff;
  --primary-dark: #5a4fd6;
  --accent: #ff6b6b;
  --accent2: #ffd93d;
  --accent3: #6bcb77;
  --bg: #0a0a0f;
  --bg2: #111118;
  --bg3: #1a1a24;
  --bg4: #23232f;
  --border: rgba(255,255,255,0.08);
  --text: #e8e8f0;
  --text-muted: #888;
  --text-dim: #555;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(124,110,247,0.15);
  --transition: 0.25s ease;
  --header-h: 64px;
}

/* ========================
   CONTAINER
======================== */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* ========================
   HEADER
======================== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
}
.header-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; gap: 32px;
}
.header-logo { display: flex; align-items: center; gap: 12px; }
.logo-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: white;
}
.logo-name { font-size: 16px; font-weight: 700; color: var(--text); display: block; }
.logo-sub { font-size: 11px; color: var(--text-muted); }
.header-nav { display: flex; gap: 4px; margin-left: auto; }
.nav-link {
  padding: 8px 16px; border-radius: 8px; font-size: 14px; font-weight: 500;
  color: var(--text-muted); transition: var(--transition); cursor: pointer;
}
.nav-link:hover, .nav-link.active { background: var(--bg4); color: var(--text); }
.header-cta {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 20px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white; font-size: 13px; font-weight: 600;
  transition: var(--transition); white-space: nowrap;
}
.header-cta:hover { opacity: 0.9; transform: translateY(-1px); }

/* ========================
   HERO
======================== */
.hero {
  position: relative; padding: 80px 0 60px;
  min-height: 560px; display: flex; align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 60% at 20% 50%, rgba(124,110,247,0.12) 0%, transparent 70%),
              radial-gradient(ellipse 40% 40% at 80% 30%, rgba(255,107,107,0.08) 0%, transparent 60%);
}
.hero-content {
  position: relative; z-index: 1;
  max-width: 1280px; margin: 0 auto; padding: 0 24px;
  flex: 1;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 100px;
  background: rgba(124,110,247,0.12); border: 1px solid rgba(124,110,247,0.3);
  color: var(--primary-light); font-size: 13px; font-weight: 500; margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 800;
  line-height: 1.15; margin-bottom: 20px;
}
.hero-accent { color: var(--primary-light); }
.hero-desc {
  color: var(--text-muted); font-size: 16px; line-height: 1.8;
  margin-bottom: 32px; max-width: 480px;
}
.hero-profile-stats {
  display: flex; align-items: center; gap: 0;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 24px;
  display: inline-flex; margin-bottom: 32px;
}
.pstat { text-align: center; padding: 0 20px; }
.pstat-num { display: block; font-size: 24px; font-weight: 800; color: var(--primary-light); }
.pstat-label { display: block; font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.pstat-divider { width: 1px; height: 40px; background: var(--border); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white; font-weight: 600; font-size: 14px;
  transition: var(--transition); cursor: pointer; border: none;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(124,110,247,0.3); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: 12px;
  background: var(--bg4); border: 1px solid var(--border);
  color: var(--text); font-weight: 600; font-size: 14px;
  transition: var(--transition); cursor: pointer;
}
.btn-secondary:hover { background: var(--bg3); border-color: var(--primary); color: var(--primary-light); }

/* Floating Cards */
.hero-visual {
  position: absolute; right: 5%; top: 50%; transform: translateY(-50%);
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  pointer-events: none;
}
.floating-card {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 20px;
  display: flex; align-items: center; gap: 14px;
  animation: float 3s ease-in-out infinite;
  min-width: 160px;
}
.floating-card.card-2 { animation-delay: 0.5s; }
.floating-card.card-3 { animation-delay: 1s; }
.floating-card.card-4 { animation-delay: 1.5s; }
.fc-icon { font-size: 22px; }
.fc-num { display: block; font-size: 22px; font-weight: 800; }
.fc-label { display: block; font-size: 11px; color: var(--text-muted); }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ========================
   KPI SECTION
======================== */
.kpi-section { padding: 48px 0; }
.kpi-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px;
}
.kpi-card {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
  display: flex; gap: 14px; align-items: center;
  transition: var(--transition);
}
.kpi-card:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.kpi-highlight { background: linear-gradient(135deg, rgba(124,110,247,0.15), rgba(90,79,214,0.1)); border-color: rgba(124,110,247,0.3); }
.kpi-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; background: rgba(255,255,255,0.05); flex-shrink: 0;
}
#kpi-views .kpi-icon { background: rgba(255,107,107,0.12); color: #ff6b6b; }
#kpi-likes .kpi-icon { background: rgba(255,107,107,0.12); color: #ff6b6b; }
#kpi-replies .kpi-icon { background: rgba(78,184,255,0.12); color: #4eb8ff; }
#kpi-reposts .kpi-icon { background: rgba(107,203,119,0.12); color: #6bcb77; }
#kpi-shares .kpi-icon { background: rgba(77,150,255,0.12); color: #4d96ff; }
#kpi-engagement .kpi-icon { background: rgba(124,110,247,0.2); color: var(--primary-light); }
.kpi-value { font-size: 26px; font-weight: 800; line-height: 1; }
.kpi-label { font-size: 13px; font-weight: 600; color: var(--text); margin-top: 4px; }
.kpi-sub { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ========================
   SECTION HEADERS
======================== */
.section-header { margin-bottom: 32px; }
.section-title { font-size: 22px; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.section-title i { color: var(--primary-light); }
.section-desc { color: var(--text-muted); font-size: 14px; margin-top: 6px; }

/* ========================
   TOP POSTS
======================== */
.top-section { padding: 0 0 64px; }
.top-posts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.top-post-card {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  display: flex; gap: 20px; align-items: flex-start;
  transition: var(--transition); cursor: pointer;
  position: relative; overflow: hidden;
}
.top-post-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
}
.top-post-card.rank-1::before { background: linear-gradient(180deg, #ffd700, #ffa500); }
.top-post-card.rank-2::before { background: linear-gradient(180deg, #c0c0c0, #a0a0a0); }
.top-post-card.rank-3::before { background: linear-gradient(180deg, #cd7f32, #8b4513); }
.top-post-card.rank-4::before, .top-post-card.rank-5::before { background: var(--primary); }
.top-post-card:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow-glow); }
.rank-badge {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 900; flex-shrink: 0;
}
.rank-1 .rank-badge { background: rgba(255,215,0,0.15); color: #ffd700; }
.rank-2 .rank-badge { background: rgba(192,192,192,0.15); color: #c0c0c0; }
.rank-3 .rank-badge { background: rgba(205,127,50,0.15); color: #cd7f32; }
.rank-4 .rank-badge, .rank-5 .rank-badge { background: rgba(124,110,247,0.15); color: var(--primary-light); }
.top-post-body { flex: 1; min-width: 0; }
.top-post-title { font-size: 14px; font-weight: 600; line-height: 1.5; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.top-post-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.badge-cat, .badge-type, .badge-viral, .badge-pinned {
  padding: 3px 10px; border-radius: 100px; font-size: 11px; font-weight: 600;
}
.badge-cat { background: rgba(124,110,247,0.15); color: var(--primary-light); }
.badge-type { background: rgba(255,255,255,0.06); color: var(--text-muted); }
.badge-viral { background: rgba(255,107,107,0.15); color: #ff6b6b; }
.badge-pinned { background: rgba(255,217,61,0.15); color: var(--accent2); }
.top-post-stats { display: flex; gap: 14px; }
.tps { font-size: 12px; color: var(--text-muted); display: flex; align-items: center; gap: 4px; }
.tps i { font-size: 11px; }

/* ========================
   CHARTS
======================== */
.charts-section { padding: 0 0 64px; }
.charts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.chart-card {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
}
.chart-title { font-size: 14px; font-weight: 600; margin-bottom: 20px; color: var(--text-muted); }
.chart-wrap { position: relative; }

/* ========================
   POSTS SECTION
======================== */
.posts-section { padding: 0 0 80px; }
.btn-add {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white; font-weight: 600; font-size: 13px;
  transition: var(--transition); cursor: pointer; border: none;
}
.btn-add:hover { opacity: 0.9; transform: translateY(-1px); }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }

/* Filter Bar */
.filter-bar {
  display: flex; gap: 12px; align-items: center;
  flex-wrap: wrap; margin-bottom: 16px;
  padding: 16px 20px;
  background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius);
}
.search-box {
  flex: 1; min-width: 200px;
  display: flex; align-items: center; gap: 10px;
  background: var(--bg4); border: 1px solid var(--border);
  border-radius: 10px; padding: 0 14px;
}
.search-box i { color: var(--text-muted); font-size: 13px; }
.search-box input {
  background: transparent; border: none; outline: none;
  color: var(--text); font-size: 14px; padding: 10px 0; width: 100%;
}
.filter-group { display: flex; gap: 8px; flex-wrap: wrap; }
select {
  background: var(--bg4); border: 1px solid var(--border);
  color: var(--text); border-radius: 10px; padding: 9px 14px;
  font-size: 13px; cursor: pointer; outline: none;
}
select:focus { border-color: var(--primary); }
.filter-toggles { display: flex; gap: 6px; }
.toggle-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 10px;
  background: var(--bg4); border: 1px solid var(--border);
  color: var(--text-muted); font-size: 12px; font-weight: 600;
  cursor: pointer; transition: var(--transition);
}
.toggle-btn.active { background: rgba(124,110,247,0.12); border-color: rgba(124,110,247,0.3); color: var(--primary-light); }

/* View Toggle */
.view-toggle {
  display: flex; align-items: center; gap: 8px; margin-bottom: 20px;
}
.view-btn {
  width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg4); color: var(--text-muted); font-size: 14px;
  cursor: pointer; transition: var(--transition); display: flex; align-items: center; justify-content: center;
}
.view-btn.active { background: rgba(124,110,247,0.12); border-color: rgba(124,110,247,0.3); color: var(--primary-light); }
.results-count { font-size: 13px; color: var(--text-muted); margin-left: 8px; }

/* Posts Grid */
.posts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.posts-list { display: flex; flex-direction: column; gap: 10px; }

.post-card {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
  cursor: pointer; transition: var(--transition);
  position: relative; overflow: hidden;
}
.post-card::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--primary), transparent);
  opacity: 0; transition: var(--transition);
}
.post-card:hover { border-color: rgba(124,110,247,0.4); transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.post-card:hover::after { opacity: 1; }
.post-card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; margin-bottom: 12px; }
.post-card-badges { display: flex; gap: 4px; flex-wrap: wrap; }
.post-date { font-size: 11px; color: var(--text-dim); white-space: nowrap; }
.post-title-text { font-size: 14px; font-weight: 600; line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-preview-text { font-size: 13px; color: var(--text-muted); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 14px; }
.post-card-stats { display: flex; gap: 12px; flex-wrap: wrap; }
.pcs { font-size: 12px; color: var(--text-muted); display: flex; align-items: center; gap: 4px; }
.pcs i { font-size: 11px; }
.pcs .val { font-weight: 700; color: var(--text); }
.pinned-dot {
  position: absolute; top: 12px; right: 12px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent2);
}

/* List view */
.posts-list .post-card { padding: 14px 20px; }
.posts-list .post-card-top { align-items: center; }
.posts-list .post-title-text { -webkit-line-clamp: 1; margin-bottom: 4px; }
.posts-list .post-preview-text { -webkit-line-clamp: 1; margin-bottom: 8px; }

/* Load More */
.load-more-wrap { text-align: center; margin-top: 32px; }
.btn-load-more {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 32px; border-radius: 12px;
  background: var(--bg3); border: 1px solid var(--border);
  color: var(--text-muted); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: var(--transition);
}
.btn-load-more:hover { border-color: var(--primary); color: var(--primary-light); }

/* ========================
   ABOUT SECTION
======================== */
.about-section { padding: 64px 0; background: var(--bg2); border-top: 1px solid var(--border); }
.about-inner { display: grid; grid-template-columns: 340px 1fr; gap: 64px; align-items: flex-start; }
.about-left { position: sticky; top: calc(var(--header-h) + 20px); }
.about-avatar { position: relative; width: 100px; height: 100px; margin-bottom: 20px; }
.avatar-ring {
  position: absolute; inset: -4px;
  border-radius: 50%; border: 2px solid transparent;
  background: linear-gradient(135deg, var(--primary), var(--accent)) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: destination-out; mask-composite: exclude;
}
.avatar-img {
  width: 100%; height: 100%; border-radius: 50%;
  background: var(--bg4); display: flex; align-items: center; justify-content: center;
  font-size: 42px; color: var(--primary-light);
}
.about-name { font-size: 24px; font-weight: 800; margin-bottom: 6px; }
.about-handle { font-size: 16px; font-weight: 400; color: var(--text-muted); }
.about-tagline { color: var(--text-muted); font-size: 14px; margin-bottom: 16px; font-style: italic; }
.about-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.tag {
  padding: 6px 14px; border-radius: 100px; font-size: 12px; font-weight: 600;
  background: rgba(124,110,247,0.12); color: var(--primary-light);
  border: 1px solid rgba(124,110,247,0.2);
}
.about-follow-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: 12px;
  background: var(--bg4); border: 1px solid var(--border);
  color: var(--text); font-weight: 600; font-size: 14px;
  transition: var(--transition);
}
.about-follow-btn:hover { border-color: var(--primary); color: var(--primary-light); }
.timeline-title { font-size: 18px; font-weight: 700; margin-bottom: 28px; color: var(--text-muted); }
.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ''; position: absolute; left: 10px; top: 0; bottom: 0; width: 2px; background: var(--border); }
.timeline-item { position: relative; padding-bottom: 32px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute; left: -22px; top: 4px;
  width: 12px; height: 12px; border-radius: 50%;
  border: 2px solid var(--bg2);
}
.dot-start { background: var(--text-muted); }
.dot-change { background: var(--accent2); }
.dot-fail { background: var(--accent); }
.dot-work { background: var(--accent3); }
.dot-now { background: var(--primary-light); box-shadow: 0 0 12px rgba(124,110,247,0.5); }
.timeline-date { font-size: 11px; color: var(--primary-light); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.timeline-content h4 { font-size: 15px; font-weight: 700; margin: 4px 0 6px; }
.timeline-content p { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* ========================
   MODAL
======================== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.7); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: 0.25s ease;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal-box {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 20px; padding: 32px; max-width: 560px; width: 90%;
  position: relative; transform: scale(0.95); transition: 0.25s ease;
  max-height: 90vh; overflow-y: auto;
}
.modal-overlay.open .modal-box { transform: scale(1); }
.modal-close {
  position: absolute; top: 20px; right: 20px;
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--bg4); border: 1px solid var(--border);
  color: var(--text-muted); font-size: 14px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.modal-close:hover { color: var(--text); border-color: var(--primary); }
.modal-badges { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.modal-title { font-size: 18px; font-weight: 700; line-height: 1.5; margin-bottom: 10px; }
.modal-meta { display: flex; gap: 10px; color: var(--text-muted); font-size: 13px; margin-bottom: 20px; }
.modal-preview {
  background: var(--bg4); border-radius: 12px; padding: 16px;
  font-size: 14px; color: var(--text-muted); line-height: 1.7;
  margin-bottom: 20px; max-height: 300px; overflow-y: auto;
}
.modal-body-text {
  white-space: pre-wrap; word-break: break-word;
  font-family: inherit; font-size: 14px; color: var(--text-muted);
  line-height: 1.8;
}
.viral-glow {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1.5px rgba(255,107,107,0.4);
  pointer-events: none;
}
.post-card { position: relative; }
.top-post-date { font-size: 11px; color: var(--text-muted); margin-top: 8px; }
.modal-stats {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px;
  margin-bottom: 24px;
}
.mstat {
  background: var(--bg4); border-radius: 10px; padding: 12px 8px;
  text-align: center;
}
.mstat-val { font-size: 20px; font-weight: 800; display: block; }
.mstat-key { font-size: 11px; color: var(--text-muted); display: flex; align-items: center; justify-content: center; gap: 4px; margin-top: 4px; }
.modal-footer { display: flex; gap: 12px; }

/* Form Modal */
.modal-form-box { max-width: 640px; }
.modal-form-title { font-size: 18px; font-weight: 700; margin-bottom: 24px; display: flex; align-items: center; gap: 10px; }
.modal-form-title i { color: var(--primary-light); }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text-muted); }
.form-group input, .form-group textarea, .form-group select {
  background: var(--bg4); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 14px;
  color: var(--text); font-size: 14px; outline: none;
  transition: var(--transition); font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--primary); }
.form-group textarea { resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.stats-row { grid-template-columns: repeat(5, 1fr); }
.form-checkboxes { display: flex; gap: 20px; margin-bottom: 20px; }
.checkbox-label { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); cursor: pointer; }
.checkbox-label input { width: auto; }
.btn-submit {
  width: 100%; padding: 14px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white; font-size: 15px; font-weight: 700;
  border: none; cursor: pointer; transition: var(--transition);
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-submit:hover { opacity: 0.9; }

/* ========================
   TOAST
======================== */
.toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 300;
  padding: 14px 24px; border-radius: 12px;
  background: var(--primary); color: white; font-weight: 600; font-size: 14px;
  transform: translateY(80px); opacity: 0; transition: 0.3s ease;
  pointer-events: none;
}
.toast.show { transform: translateY(0); opacity: 1; }

/* ========================
   FOOTER
======================== */
.site-footer { border-top: 1px solid var(--border); padding: 48px 0 32px; }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 32px; gap: 40px; }
.footer-logo { font-size: 18px; font-weight: 700; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.footer-brand p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: var(--text-muted); display: flex; align-items: center; gap: 8px; transition: var(--transition); }
.footer-links a:hover { color: var(--primary-light); }
.footer-copy { font-size: 12px; color: var(--text-dim); text-align: center; }

/* ========================
   SCROLLBAR FOR MODAL
======================== */
.modal-box::-webkit-scrollbar { width: 4px; }
.modal-box::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* ========================
   EMPTY STATE
======================== */
.empty-state {
  grid-column: 1 / -1; text-align: center; padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state i { font-size: 48px; margin-bottom: 16px; display: block; opacity: 0.3; }
.empty-state h3 { font-size: 18px; margin-bottom: 8px; }
.empty-state p { font-size: 14px; }

/* ========================
   RESPONSIVE
======================== */
@media (max-width: 1100px) {
  .hero-visual { display: none; }
  .kpi-grid { grid-template-columns: repeat(3, 1fr); }
  .top-posts-grid { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; }
  .about-left { position: static; }
}
@media (max-width: 768px) {
  .header-nav { display: none; }
  .charts-grid { grid-template-columns: 1fr; }
  .posts-grid { grid-template-columns: 1fr 1fr; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-title { font-size: 2.2rem; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .filter-group, .filter-toggles { flex-wrap: wrap; }
  .hero-profile-stats { flex-direction: column; gap: 12px; }
  .pstat-divider { display: none; }
  .stats-row { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 480px) {
  .posts-grid { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .modal-stats { grid-template-columns: repeat(3, 1fr); }
}

/* ========================
   OPPORTUNITY SECTION
======================== */
.opportunity-section {
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}
.opportunity-section::before {
  content: '';
  position: absolute;
  top: -120px; left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(124,110,247,0.07) 0%, transparent 70%);
  pointer-events: none;
}

/* 섹션 헤더 */
.opp-section-header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.opp-header-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, rgba(255,215,0,0.15), rgba(255,107,107,0.1));
  border: 1px solid rgba(255,215,0,0.3);
  color: #ffd93d; font-size: 12px; font-weight: 700;
  letter-spacing: 0.5px;
  padding: 6px 18px; border-radius: 99px;
}
.opp-title {
  font-size: clamp(30px, 4.5vw, 48px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.5px;
  color: var(--text);
  margin: 0;
}
.opp-accent {
  background: linear-gradient(135deg, #ffd93d 0%, #ff6b6b 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.opp-subtitle {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* 카드 그리드 */
.opp-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 52px 0 48px;
}

.opp-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px 24px;
  display: flex; flex-direction: column; gap: 16px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative; overflow: hidden;
  min-height: 520px;
}
.opp-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  border-radius: 20px 20px 0 0;
}
.opp-card--coffee::before { background: linear-gradient(90deg, #ffd93d, #ff9f43); }
.opp-card--webinar::before { background: linear-gradient(90deg, #7c6ef7, #4eb8ff); }
.opp-card--dm::before { background: linear-gradient(90deg, #6bcb77, #4eb8ff); }

.opp-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.opp-card-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.5px;
  text-transform: uppercase; padding: 4px 12px; border-radius: 99px;
}
.opp-card--coffee .opp-card-tag { background: rgba(255,217,61,0.12); color: #ffd93d; }
.opp-card--webinar .opp-card-tag { background: rgba(124,110,247,0.12); color: #9d8fff; }
.opp-card--dm .opp-card-tag { background: rgba(107,203,119,0.12); color: #6bcb77; }

.opp-card-title {
  font-size: 18px; font-weight: 700; line-height: 1.4; color: var(--text);
}
.opp-card-desc {
  font-size: 13px; color: var(--text-muted); line-height: 1.7;
}

/* 이미지 단순 뷰 */
.opp-screenshot-wrap {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  flex: 1;
  background: var(--bg4);
}
.opp-screenshot-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* DM 스크롤 뷰어 */
.opp-dm-viewer {
  border-radius: 14px; overflow: hidden;
  border: 1px solid rgba(107,203,119,0.3);
  background: #000;
  box-shadow: 0 0 0 1px rgba(107,203,119,0.1);
}
.opp-dm-topbar {
  background: #1a1a2e; padding: 10px 14px;
  display: flex; align-items: center; gap: 6px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.opp-dm-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--border);
}
.opp-dm-dot:nth-child(1) { background: #ff5f57; }
.opp-dm-dot:nth-child(2) { background: #ffbc2e; }
.opp-dm-dot:nth-child(3) { background: #28c840; }
.opp-dm-label { margin-left: 8px; font-size: 11px; color: var(--text-muted); font-weight: 600; }
.opp-dm-scroll {
  max-height: 420px;
  min-height: 260px;
  overflow-y: auto;
  scroll-behavior: smooth;
  background: #000;
}
.opp-dm-scroll::-webkit-scrollbar { width: 6px; }
.opp-dm-scroll::-webkit-scrollbar-track { background: #111; }
.opp-dm-scroll::-webkit-scrollbar-thumb { background: #444; border-radius: 3px; }
.opp-dm-img {
  width: 100%;
  display: block;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  filter: brightness(1.1) contrast(1.05);
}

/* 인사이트 */
.opp-card-insight {
  margin-top: auto;
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 12px; color: var(--text-muted);
  background: rgba(124,110,247,0.06);
  border-left: 2px solid var(--primary);
  padding: 10px 12px; border-radius: 0 8px 8px 0;
  line-height: 1.6;
}
.opp-card-insight i { color: #ffd93d; margin-top: 1px; flex-shrink: 0; }

/* 하단 배너 */
.opp-banner {
  display: flex; align-items: center; justify-content: center;
  gap: 0;
  background: linear-gradient(135deg, rgba(124,110,247,0.08), rgba(255,107,107,0.06));
  border: 1px solid rgba(124,110,247,0.2);
  border-radius: 20px;
  padding: 32px 40px;
  flex-wrap: wrap;
}
.opp-banner-item {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 0 40px;
  text-align: center;
}
.opp-banner-num {
  font-size: 22px; font-weight: 800;
  background: linear-gradient(135deg, #ffd93d, #ff6b6b);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.opp-banner-label { font-size: 12px; color: var(--text-muted); font-weight: 500; }
.opp-banner-divider {
  width: 1px; height: 48px;
  background: var(--border);
  flex-shrink: 0;
}

/* 반응형 */
@media (max-width: 900px) {
  .opp-cards { grid-template-columns: 1fr; max-width: 520px; margin-left: auto; margin-right: auto; }
  .opp-banner { gap: 16px; }
  .opp-banner-item { padding: 12px 20px; }
  .opp-banner-divider { display: none; }
}
@media (max-width: 600px) {
  .opp-title { font-size: 26px; }
  .opp-banner { flex-direction: column; align-items: flex-start; padding: 24px; }
  .opp-banner-item { align-items: flex-start; padding: 8px 0; }
}