:root {
  --bg: #0b0b12;
  --panel: rgba(255, 255, 255, 0.045);
  --line: rgba(255, 255, 255, 0.09);
  --text: #ecebf3;
  --muted: #9a98ad;
  --accent: #8b5cf6;
  --accent2: #22d3ee;
  --grad: linear-gradient(120deg, var(--accent), var(--accent2));
  --radius: 18px;
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Pretendard Variable", Pretendard, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
.bg-glow {
  position: fixed; inset: -20% -10% auto; height: 70vh; z-index: -1; pointer-events: none;
  background:
    radial-gradient(40% 50% at 25% 30%, rgba(139, 92, 246, 0.28), transparent 70%),
    radial-gradient(35% 45% at 75% 20%, rgba(34, 211, 238, 0.18), transparent 70%);
  filter: blur(20px);
}
.hidden { display: none !important; }

.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; max-width: 880px; margin: 0 auto; padding: 22px 20px; flex-wrap: wrap; }
.top-left { display: flex; align-items: center; gap: 10px; }
.top-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.logo { color: var(--text); text-decoration: none; font-weight: 800; font-size: 22px; letter-spacing: -0.02em; }
.logo-mark { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tag { font-size: 12px; color: var(--muted); border: 1px solid var(--line); padding: 3px 10px; border-radius: 99px; }

.admin-btn {
  display: inline-flex; align-items: center; gap: 7px; border: 1px solid rgba(139, 92, 246, 0.55);
  background: rgba(139, 92, 246, 0.16); color: #fff; font: inherit; font-size: 13px; font-weight: 700;
  padding: 7px 13px; border-radius: 99px; cursor: pointer; transition: 0.2s;
}
.admin-btn:hover { background: rgba(139, 92, 246, 0.28); border-color: var(--accent2); transform: translateY(-1px); }
.admin-btn .badge {
  background: var(--grad); color: #fff; font-size: 11.5px; padding: 1px 7px; border-radius: 99px; min-width: 20px; text-align: center;
}
.user-chip {
  display: flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line); padding: 5px 8px 5px 12px; border-radius: 99px; font-size: 13px;
}
.user-email { color: var(--muted); max-width: 190px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.role-pill {
  font-size: 11px; font-weight: 700; color: #22d3ee; background: rgba(34, 211, 238, 0.14);
  border: 1px solid rgba(34, 211, 238, 0.35); padding: 2px 8px; border-radius: 99px;
}
.sub-pill {
  font-size: 11px; font-weight: 600; color: #c4b5fd; background: rgba(139, 92, 246, 0.14);
  padding: 2px 8px; border-radius: 99px;
}
button.ghost.sm { padding: 6px 11px; font-size: 12.5px; border-radius: 99px; }

main { max-width: 880px; margin: 0 auto; padding: 0 20px 40px; }
.hero { text-align: center; padding: 48px 0 36px; }
.hero h1 { font-size: clamp(30px, 5.4vw, 48px); line-height: 1.22; letter-spacing: -0.035em; font-weight: 800; }
.hero em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { color: var(--muted); margin-top: 16px; font-size: 16px; }

.panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; backdrop-filter: blur(12px);
}
.tabs { display: flex; gap: 6px; background: rgba(0, 0, 0, 0.25); padding: 5px; border-radius: 12px; margin-bottom: 20px; }
.tab {
  flex: 1; border: 0; background: transparent; color: var(--muted); font: inherit; font-weight: 600;
  padding: 10px; border-radius: 9px; cursor: pointer; transition: 0.2s;
}
.tab.active { background: rgba(255, 255, 255, 0.09); color: var(--text); }

input[type="url"], input[type="search"] {
  width: 100%; font: inherit; font-size: 16px; color: var(--text); background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--line); border-radius: 12px; padding: 15px 16px; outline: none; transition: 0.2s;
}
input[type="url"]:focus, input[type="search"]:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.18); }
.hint { color: var(--muted); font-size: 13px; margin-top: 8px; }

.drop {
  display: flex; flex-direction: column; align-items: center; gap: 6px; text-align: center; cursor: pointer;
  border: 1.5px dashed rgba(255, 255, 255, 0.18); border-radius: 14px; padding: 30px 16px; color: var(--muted);
  transition: 0.2s;
}
.drop:hover, .drop.over { border-color: var(--accent); background: rgba(139, 92, 246, 0.06); color: var(--text); }
.drop.has-file { border-style: solid; border-color: var(--accent2); color: var(--text); }
.drop small { font-size: 12px; }

.intensity { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 22px 0; flex-wrap: wrap; }
.intensity .label { font-weight: 600; font-size: 14px; }
.seg { display: flex; gap: 6px; }
.seg input { display: none; }
.seg span {
  display: flex; flex-direction: column; align-items: center; min-width: 74px; padding: 8px 12px; cursor: pointer;
  border: 1px solid var(--line); border-radius: 10px; font-weight: 700; transition: 0.2s;
}
.seg small { font-size: 11px; color: var(--muted); font-weight: 500; }
.seg input:checked + span { border-color: var(--accent); background: rgba(139, 92, 246, 0.14); }

button.primary {
  width: 100%; border: 0; border-radius: 12px; padding: 15px; font: inherit; font-size: 16px; font-weight: 700;
  color: #fff; background: var(--grad); cursor: pointer; transition: 0.2s;
}
button.primary:hover { filter: brightness(1.1); transform: translateY(-1px); }
button.primary:disabled { opacity: 0.5; cursor: wait; transform: none; }
button.ghost {
  border: 1px solid var(--line); background: transparent; color: var(--text); font: inherit; font-weight: 600;
  border-radius: 10px; padding: 10px 16px; cursor: pointer;
}
button.ghost:hover { border-color: var(--accent); }

/* auth gate & unapproved gate */
.auth-gate { text-align: center; padding: 42px 26px; }
.auth-icon {
  width: 62px; height: 62px; border-radius: 18px; margin: 0 auto 16px;
  display: grid; place-items: center; background: rgba(139, 92, 246, 0.15); color: var(--accent2);
  border: 1px solid rgba(139, 92, 246, 0.35);
}
.auth-gate h2 { font-size: 22px; margin-bottom: 10px; letter-spacing: -0.02em; }
.auth-desc { color: var(--muted); font-size: 14.5px; max-width: 480px; margin: 0 auto 24px; }
.google-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 11px;
  background: #fff; color: #18181b; border: 0; border-radius: 12px; padding: 14px 26px;
  font: inherit; font-size: 15.5px; font-weight: 700; cursor: pointer; transition: 0.2s;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}
.google-btn:hover { transform: translateY(-1px); background: #f4f4f6; }
.account-box {
  display: inline-flex; align-items: center; gap: 10px; padding: 10px 18px; border-radius: 10px;
  background: rgba(0, 0, 0, 0.3); border: 1px solid var(--line); font-size: 14px; margin-bottom: 20px;
}
.account-box span { color: var(--muted); }
.gate-actions { max-width: 280px; margin: 0 auto; }

.status-badge {
  display: inline-block; font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 99px; margin-bottom: 12px;
}
.status-badge.pending { background: rgba(245, 158, 11, 0.16); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.4); }
.status-badge.expired { background: rgba(239, 68, 68, 0.16); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.4); }
.status-badge.approved { background: rgba(34, 197, 94, 0.16); color: #4ade80; border: 1px solid rgba(34, 197, 94, 0.4); }
.status-badge.admin { background: rgba(34, 211, 238, 0.16); color: #22d3ee; border: 1px solid rgba(34, 211, 238, 0.4); }

/* admin backoffice */
.admin-panel { display: grid; gap: 18px; }
.admin-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.admin-head h2 { font-size: 21px; letter-spacing: -0.02em; }
.admin-policy {
  display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 16px 18px; border-radius: 14px; background: rgba(0, 0, 0, 0.28); border: 1px solid var(--line);
}
.admin-policy strong { font-size: 14.5px; display: block; }
.admin-policy p { font-size: 13px; color: var(--muted); margin-top: 2px; }
.admin-policy em { font-style: normal; color: var(--accent2); font-weight: 700; }
.policy-btns { display: flex; gap: 6px; flex-wrap: wrap; }
.policy-btn {
  border: 1px solid var(--line); background: rgba(255, 255, 255, 0.04); color: var(--muted);
  font: inherit; font-size: 12.5px; font-weight: 700; padding: 8px 13px; border-radius: 9px; cursor: pointer; transition: 0.2s;
}
.policy-btn.active { border-color: var(--accent); background: rgba(139, 92, 246, 0.2); color: #fff; }

.admin-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.stat-card {
  background: rgba(0, 0, 0, 0.25); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px;
}
.stat-card span { font-size: 12.5px; color: var(--muted); display: block; }
.stat-card strong { font-size: 24px; font-weight: 800; margin-top: 4px; display: block; }

.admin-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.admin-tabs { display: flex; gap: 6px; background: rgba(0, 0, 0, 0.28); padding: 4px; border-radius: 10px; }
.admin-tab {
  border: 0; background: transparent; color: var(--muted); font: inherit; font-size: 13px; font-weight: 600;
  padding: 7px 13px; border-radius: 7px; cursor: pointer;
}
.admin-tab.active { background: rgba(255, 255, 255, 0.1); color: var(--text); }
.admin-search { display: flex; gap: 8px; align-items: center; flex: 1; max-width: 320px; }
.admin-search input { padding: 8px 12px; font-size: 13.5px; border-radius: 9px; }

.user-list { display: grid; gap: 10px; max-height: 520px; overflow: auto; }
.user-row {
  display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 14px 16px; border-radius: 12px; background: rgba(0, 0, 0, 0.24); border: 1px solid var(--line);
}
.user-info { display: grid; gap: 3px; }
.user-info .u-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.user-info .u-top strong { font-size: 15px; }
.user-info .u-email { font-size: 13.5px; color: var(--text); opacity: 0.9; }
.user-info .u-meta { font-size: 12px; color: var(--muted); }
.user-info .status-badge { margin-bottom: 0; padding: 2px 9px; font-size: 11.5px; }
.user-actions { display: flex; gap: 8px; align-items: center; }
.btn-approve {
  border: 0; border-radius: 9px; padding: 8px 14px; font: inherit; font-size: 13px; font-weight: 700;
  color: #fff; background: var(--grad); cursor: pointer;
}
.btn-approve:hover { filter: brightness(1.1); }
.btn-unapprove {
  border: 1px solid rgba(239, 68, 68, 0.45); border-radius: 9px; padding: 8px 12px; font: inherit; font-size: 12.5px;
  font-weight: 600; color: #fca5a5; background: rgba(239, 68, 68, 0.1); cursor: pointer;
}
.btn-unapprove:hover { background: rgba(239, 68, 68, 0.22); }
.empty-users { text-align: center; color: var(--muted); padding: 32px 16px; font-size: 14px; }

/* status */
#statusPanel { text-align: center; padding: 40px 26px; }
.spinner { display: flex; gap: 5px; justify-content: center; height: 34px; align-items: flex-end; margin-bottom: 18px; }
.spinner span { width: 6px; border-radius: 3px; background: var(--grad); animation: eq 1s ease-in-out infinite; }
.spinner span:nth-child(2) { animation-delay: 0.15s; } .spinner span:nth-child(3) { animation-delay: 0.3s; }
.spinner span:nth-child(4) { animation-delay: 0.45s; } .spinner span:nth-child(5) { animation-delay: 0.6s; }
@keyframes eq { 0%, 100% { height: 8px; } 50% { height: 34px; } }
.waiting .spinner span { animation-duration: 2.2s; opacity: 0.6; }
.status-msg { font-size: 17px; font-weight: 600; }
.steps { list-style: none; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 22px 0 6px; }
.steps li {
  font-size: 12.5px; padding: 6px 12px; border-radius: 99px; border: 1px solid var(--line); color: var(--muted);
  transition: 0.3s;
}
.steps li.active { color: var(--text); border-color: var(--accent); background: rgba(139, 92, 246, 0.15); }
.steps li.done { color: var(--accent2); border-color: rgba(34, 211, 238, 0.35); }
.steps li.done::before { content: "✓ "; }

/* results */
.results { display: grid; gap: 18px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card > header { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 18px; }
.eyebrow { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent2); font-weight: 700; }
.card h2 { font-size: 20px; letter-spacing: -0.02em; }
.card h2 small { font-size: 13px; color: var(--muted); font-weight: 500; margin-left: 6px; }
.copy {
  flex-shrink: 0; border: 0; border-radius: 10px; padding: 9px 14px; font: inherit; font-size: 13px; font-weight: 700;
  color: #fff; background: var(--grad); cursor: pointer;
}
.meta { display: grid; grid-template-columns: 120px 1fr; gap: 8px 14px; font-size: 14px; margin-bottom: 16px; }
.meta dt { color: var(--muted); }
pre {
  white-space: pre-wrap; word-break: keep-all; overflow-wrap: anywhere; font-family: inherit;
  background: rgba(0, 0, 0, 0.3); border: 1px solid var(--line); border-radius: 12px; padding: 16px;
}
pre.prompt { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-size: 13.5px; color: #d9d4ff; }
pre.lyrics { font-size: 15.5px; line-height: 1.9; max-height: 70vh; overflow: auto; }
.result-foot { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 13px; }

/* modal / toast */
.modal { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.6); display: grid; place-items: center; z-index: 50; padding: 20px; }
.modal-box { background: #161622; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; max-width: 400px; width: 100%; text-align: center; }
.modal-box p { margin-bottom: 20px; font-weight: 500; }
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px); opacity: 0; transition: 0.25s;
  background: #22223a; border: 1px solid var(--line); padding: 10px 18px; border-radius: 99px; font-size: 14px; z-index: 60;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

footer { text-align: center; color: var(--muted); font-size: 12.5px; padding: 30px 20px 40px; border-top: 1px solid var(--line); max-width: 880px; margin: 0 auto; }
.copy-r { margin-top: 8px; opacity: 0.6; }

@media (max-width: 600px) {
  .br-pc { display: none; }
  .panel, .card { padding: 20px; }
  .meta { grid-template-columns: 1fr; gap: 2px; }
  .meta dd { margin-bottom: 8px; }
  .seg span { min-width: 64px; }
  .admin-stats { grid-template-columns: 1fr; }
}