:root {
  --bg: #050505;
  --red: #ef2140;
  --orange: #f47b1f;
  --text: #fff8ef;
  --muted: #d8c8b7;
  --line: rgba(244, 123, 31, 0.34);
  --panel: rgba(0, 0, 0, 0.58);
}
* { box-sizing: border-box; }
body {
  min-height: 100svh;
  margin: 0;
  color: var(--text);
  background: linear-gradient(135deg, rgba(0,0,0,.92), rgba(0,0,0,.72)), radial-gradient(circle at 80% 20%, rgba(244,123,31,.2), transparent 34%), radial-gradient(circle at 20% 80%, rgba(239,33,64,.18), transparent 34%), var(--bg);
  font-family: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", Arial, sans-serif;
}
.auth-shell { min-height: 100svh; display: grid; place-items: center; padding: clamp(22px, 5vw, 56px); }
.auth-panel { width: min(520px, 100%); padding: clamp(26px, 6vw, 44px); border: 1px solid var(--line); border-radius: 8px; background: var(--panel); box-shadow: 0 24px 60px rgba(0,0,0,.35); }
.auth-panel.wide { width: min(720px, 100%); }
.eyebrow { margin: 0 0 12px; color: var(--orange); font-size: clamp(18px, 4vw, 22px); font-weight: 800; }
h1 { margin: 0 0 26px; color: var(--red); font-size: clamp(44px, 11vw, 72px); line-height: 1; }
.auth-form { display: grid; gap: 18px; }
label { display: grid; gap: 8px; color: var(--muted); font-size: clamp(20px, 5vw, 24px); font-weight: 800; }
input { width: 100%; min-height: 58px; padding: 14px 16px; color: var(--text); font: inherit; border: 1px solid var(--line); border-radius: 6px; background: rgba(0,0,0,.36); }
button { min-height: 64px; margin-top: 8px; color: var(--text); font-size: clamp(22px, 6vw, 30px); font-weight: 900; border: 1px solid rgba(244,123,31,.78); border-radius: 6px; background: linear-gradient(135deg, rgba(239,33,64,.46), rgba(244,123,31,.32)); cursor: pointer; }
.message, .switch, .lead { color: var(--muted); font-size: clamp(18px, 4.8vw, 22px); line-height: 1.5; }
.message[data-error="true"] { color: #ff9aa8; }
a { color: var(--orange); font-weight: 900; }
.session-card { display: grid; gap: 12px; margin: 24px 0; font-size: clamp(19px, 4.8vw, 24px); }
.session-card div { display: grid; gap: 4px; padding: 16px; border: 1px solid var(--line); border-radius: 6px; background: rgba(255,255,255,.04); }
dt { color: var(--orange); font-weight: 900; }
dd { margin: 0; overflow-wrap: anywhere; }

.admin-section {
  display: grid;
  gap: 16px;
  margin: 24px 0;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(26px, 6vw, 36px);
  line-height: 1.15;
}

.count-badge {
  flex: 0 0 auto;
  padding: 8px 12px;
  color: var(--orange);
  font-size: clamp(16px, 4vw, 20px);
  font-weight: 900;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.28);
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.user-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: clamp(17px, 4vw, 21px);
}

.user-table th,
.user-table td {
  padding: 15px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(244, 123, 31, 0.22);
}

.user-table th {
  color: var(--orange);
  font-weight: 900;
  background: rgba(0, 0, 0, 0.26);
}

.user-table td {
  color: var(--text);
  overflow-wrap: anywhere;
}

.user-table tr:last-child td {
  border-bottom: 0;
}

.empty-state {
  padding: clamp(20px, 5vw, 28px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.empty-state p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(19px, 5vw, 24px);
  line-height: 1.5;
}

.empty-state p + p {
  margin-top: 8px;
}