:root { color-scheme: dark; font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: #07121a; color: #eaf7f1; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 15% 0%, #173d42 0, transparent 35%), #07121a; }
.admin-shell { width: min(1080px, calc(100% - 32px)); margin: 0 auto; padding: 48px 0; }
.login-card, .panel, .metric-card { border: 1px solid #29444a; background: rgba(16, 30, 39, .92); border-radius: 20px; box-shadow: 0 18px 60px rgba(0,0,0,.2); }
.login-card { width: min(430px, 100%); margin: 8vh auto; padding: 32px; }
.eyebrow { color: #8fe0c4; font-size: 11px; letter-spacing: .16em; margin: 0 0 10px; }
h1, h2 { margin: 0; }
h1 { font-size: clamp(30px, 5vw, 48px); }
h2 { font-size: 20px; }
.muted, .hint, .metric-card small, .notice p { color: #9ab0ae; }
.hint { font-size: 12px; margin-top: 18px; }
form { display: grid; gap: 16px; margin-top: 28px; }
label { display: grid; gap: 7px; color: #d9ebe4; font-size: 13px; }
input { width: 100%; border: 1px solid #34545a; border-radius: 10px; padding: 13px 14px; color: #eaf7f1; background: #0b1c25; font-size: 15px; }
button { border: 0; border-radius: 10px; padding: 12px 16px; color: #08231f; background: #8fe0c4; font-weight: 700; cursor: pointer; }
button:hover { filter: brightness(1.06); }
button.secondary { color: #d9ebe4; background: #183039; border: 1px solid #34545a; }
.error { color: #ff9b81; min-height: 20px; margin: 0; font-size: 13px; }
.hidden { display: none !important; }
.dashboard-header { display: flex; justify-content: space-between; gap: 16px; align-items: end; margin-bottom: 24px; }
.header-actions { display: flex; align-items: center; gap: 12px; color: #9ab0ae; font-size: 13px; }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.metric-card { padding: 20px; display: grid; gap: 8px; }
.metric-card span { color: #9ab0ae; font-size: 13px; }
.metric-card strong { font-size: 24px; }
.panel { margin-top: 16px; padding: 22px; }
.panel-heading { display: flex; justify-content: space-between; align-items: center; }
pre { overflow: auto; margin: 18px 0 0; padding: 16px; border-radius: 12px; background: #07121a; color: #bde8d9; font-size: 12px; line-height: 1.6; }
.notice { border-color: #5d493c; }
@media (max-width: 680px) { .admin-shell { padding-top: 20px; } .dashboard-header { align-items: start; flex-direction: column; } .metric-grid { grid-template-columns: 1fr; } .header-actions { width: 100%; justify-content: space-between; } }

.editor-bar { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.editor-bar select { flex: 0 0 260px; }
.editor-actions { display: flex; gap: 8px; margin-top: 10px; }
.editor-actions input { flex: 1; }
#promptTemplate, textarea { width: 100%; font-family: ui-monospace, Menlo, monospace; font-size: 12px; box-sizing: border-box; margin-top: 6px; }
#promptDraftCheck { font-size: 12px; color: #8a93a5; }

/* 用量与成本 */
#usageCards { grid-template-columns: repeat(4, 1fr); }
.data-table { width: 100%; border-collapse: collapse; margin-top: 14px; font-size: 13px; }
.data-table th { text-align: left; color: #8fe0c4; font-weight: 600; padding: 8px 10px; border-bottom: 1px solid #29444a; }
.data-table td { padding: 8px 10px; border-bottom: 1px solid #1b3138; color: #d9ebe4; }
.data-table tbody tr:hover { background: rgba(143, 224, 196, .05); }
@media (max-width: 680px) { #usageCards { grid-template-columns: 1fr; } }
/* 音色池与角色映射 */
.voice-table-scroll { overflow-x: auto; }
#voiceBindings select { min-width: 220px; max-width: 100%; }
#voicePoolRows small { display: block; overflow-wrap: anywhere; }
.voice-register { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-top: 18px; }
.voice-register fieldset label { display: inline-flex; align-items: center; gap: 6px; margin-right: 10px; }
.voice-register input[type="checkbox"] { width: auto; }
#voicePoolPanel details { margin-top: 20px; }

/* TOTP 首绑二维码与密钥（2026-11-07） */
.qr-box { background: #fff; padding: 12px; border-radius: 12px; width: fit-content; margin: 14px auto; }
.qr-box canvas { display: block; }
.secret-code { display: block; word-break: break-all; font-size: 13px; line-height: 1.6; background: #07121a; color: #bde8d9; padding: 10px 12px; border-radius: 10px; text-align: center; letter-spacing: .08em; }

/* login 页首绑二维码容器已并入 .qr-box（拆页后登录页用 #qrBox + qr-box 类，与旧 admin.js 同约定） */

/* ===== 多页布局与侧边菜单（2026-11-07 拆页） ===== */
.admin-layout { display: flex; align-items: flex-start; gap: 20px; width: min(1240px, calc(100% - 32px)); margin: 0 auto; padding: 32px 0 48px; }
.admin-nav { flex: 0 0 216px; position: sticky; top: 24px; display: flex; flex-direction: column; gap: 16px; padding: 20px 14px; border: 1px solid #29444a; border-radius: 20px; background: rgba(16, 30, 39, .92); box-shadow: 0 18px 60px rgba(0,0,0,.2); }
.nav-brand { margin: 0 6px; font-size: 17px; font-weight: 800; }
.nav-brand small { display: block; margin-top: 5px; color: #8fe0c4; font-size: 10px; letter-spacing: .16em; font-weight: 400; }
.nav-menu { display: flex; flex-direction: column; gap: 4px; }
.nav-menu a { display: block; padding: 10px 12px; border-radius: 10px; color: #d9ebe4; text-decoration: none; font-size: 14px; }
.nav-menu a:hover { background: #183039; }
.nav-menu a.active { background: #8fe0c4; color: #08231f; font-weight: 700; }
.nav-footer { margin-top: auto; padding-top: 12px; border-top: 1px solid #1b3138; display: grid; gap: 10px; color: #9ab0ae; font-size: 12px; overflow-wrap: anywhere; }
.admin-main { flex: 1; min-width: 0; }
.page-header { margin-bottom: 8px; }
.page-header h1 { font-size: clamp(24px, 4vw, 34px); }
@media (max-width: 860px) {
  .admin-layout { flex-direction: column; padding-top: 16px; }
  .admin-nav { position: static; flex-direction: row; flex-wrap: wrap; align-items: center; gap: 10px; width: 100%; }
  .nav-brand { font-size: 15px; }
  .nav-brand small { display: none; }
  .nav-menu { flex-direction: row; flex-wrap: wrap; flex: 1 1 100%; order: 3; }
  .nav-menu a { padding: 8px 10px; }
  .nav-footer { margin: 0; padding: 0; border: 0; display: flex; align-items: center; gap: 8px; margin-left: auto; }
  .nav-footer button { padding: 8px 10px; }
}