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

:root {
  --bg: #0d0d14;
  --surface: #13131f;
  --surface2: #1a1a2e;
  --border: #2a2a45;
  --accent: #5865f2;
  --accent-hover: #4752c4;
  --accent-danger: #ed4245;
  --accent-success: #57f287;
  --accent-warn: #fee75c;
  --text: #e2e2f0;
  --text-muted: #8888aa;
  --radius: 10px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  min-height: 100vh;
  line-height: 1.6;
}

/* ───── 캡차 페이지 ───── */
.captcha-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  background: radial-gradient(ellipse at top, #1a1a40 0%, var(--bg) 60%);
}

.captcha-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  max-width: 460px;
  width: 100%;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.captcha-card .logo {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.captcha-card h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}

.captcha-card .subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 28px;
}

.captcha-card .user-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.captcha-card .user-badge span { color: var(--text); font-weight: 600; }

.h-captcha { display: flex; justify-content: center; margin-bottom: 20px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.2s;
  text-decoration: none;
  width: 100%;
}

.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger { background: var(--accent-danger); color: white; }
.btn-danger:hover { background: #c0383b; }
.btn-success { background: #2d7a3a; color: white; }
.btn-sm { padding: 6px 14px; font-size: 0.8rem; width: auto; }

.error-msg {
  background: rgba(237,66,69,0.15);
  border: 1px solid rgba(237,66,69,0.4);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.88rem;
  color: #f0a0a2;
  margin-bottom: 16px;
  text-align: left;
}

.success-icon { font-size: 4rem; margin-bottom: 16px; display: block; }

/* ───── 어드민 레이아웃 ───── */
.admin-layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
}

.sidebar-logo {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo h2 { font-size: 1.2rem; font-weight: 700; color: var(--accent); }
.sidebar-logo p { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; }

.sidebar-nav { flex: 1; padding: 16px 0; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 20px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.15s;
  border-radius: 0;
}

.nav-item:hover, .nav-item.active {
  color: var(--text);
  background: var(--surface2);
}

.nav-item.active { color: var(--accent); border-right: 3px solid var(--accent); }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.admin-content {
  margin-left: 240px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar h1 { font-size: 1.1rem; font-weight: 600; }

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

.admin-badge {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.main { padding: 28px; }

/* ───── 통계 카드 ───── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.stat-card .label { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 8px; }
.stat-card .value { font-size: 2rem; font-weight: 700; }
.stat-card.accent { border-color: var(--accent); }
.stat-card.danger { border-color: var(--accent-danger); }
.stat-card .value.accent { color: var(--accent); }
.stat-card .value.danger { color: var(--accent-danger); }
.stat-card .value.warn { color: var(--accent-warn); }

/* ───── 테이블 ───── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header h3 { font-size: 0.95rem; font-weight: 600; }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 16px; text-align: left; font-size: 0.875rem; }
th { background: var(--surface2); color: var(--text-muted); font-weight: 500; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; }
tr:not(:last-child) td { border-bottom: 1px solid var(--border); }
tr:hover td { background: rgba(255,255,255,0.02); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-success { background: rgba(87,242,135,0.15); color: var(--accent-success); }
.badge-danger { background: rgba(237,66,69,0.15); color: var(--accent-danger); }
.badge-warn { background: rgba(254,231,92,0.15); color: var(--accent-warn); }
.badge-info { background: rgba(88,101,242,0.18); color: #8b95f5; }

.filter-bar { padding: 14px 20px; border-bottom: 1px solid var(--border); display: flex; gap: 6px; flex-wrap: wrap; }
.filter-chip {
  padding: 5px 12px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 16px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8rem;
}
.filter-chip.active { background: var(--accent); border-color: var(--accent); color: white; }
.filter-chip:hover:not(.active) { border-color: var(--accent); color: var(--text); }

.info-banner {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.info-banner strong { color: var(--text); }

/* ───── 폼 ───── */
.form-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 0;
}

input[type="text"], input[type="password"], input[type="search"] {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 8px 14px;
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.15s;
}

input:focus { border-color: var(--accent); }

/* ───── 로그인 페이지 ───── */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  width: 360px;
}

.login-card h1 { font-size: 1.4rem; font-weight: 700; margin-bottom: 4px; }
.login-card p { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 28px; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 6px; }
.form-group input { width: 100%; }

.pagination {
  display: flex;
  gap: 6px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.page-btn {
  padding: 5px 12px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.82rem;
}

.page-btn.active { background: var(--accent); border-color: var(--accent); color: white; }
.page-btn:hover:not(.active) { border-color: var(--accent); color: var(--text); }

.search-bar { padding: 14px 20px; border-bottom: 1px solid var(--border); }
.search-bar form { display: flex; gap: 8px; }
.search-bar input { flex: 1; }

.ip-tag {
  font-family: 'Courier New', monospace;
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.82rem;
}

.empty-state {
  padding: 48px;
  text-align: center;
  color: var(--text-muted);
}

.empty-state .icon { font-size: 2.5rem; margin-bottom: 12px; }