:root{--blue:#0b5cff;--blue2:#003fb4;--navy:#07152f;--ink:#14213d;--muted:#6b7892;--line:#e5eaf2;--bg:#f4f7fb;--white:#fff;--green:#13a36d;--amber:#dc8a00;--red:#d43b4f;--shadow:0 18px 45px rgba(19,38,74,.10)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}button,input,textarea{font:inherit}.hidden{display:none!important}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 15% 10%,rgba(11,92,255,.28),transparent 34%),linear-gradient(135deg,#061128,#0b2d68)}.login-card{width:min(460px,100%);background:#fff;padding:42px;border-radius:24px;box-shadow:0 30px 80px rgba(0,0,0,.3)}.login-card h1{font-size:34px;margin:35px 0 8px}.login-card>p{color:var(--muted);margin:0 0 26px}.brand{display:flex;align-items:center;gap:12px;color:#fff}.brand-large{color:var(--navy)}.brand-mark{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),#4b8cff);font-weight:900;color:#fff;box-shadow:0 10px 25px rgba(11,92,255,.3)}.brand strong,.brand small{display:block}.brand strong{font-size:17px;letter-spacing:.08em}.brand small{font-size:10px;opacity:.7;margin-top:2px}.login-card label,.form-panel label{display:block;font-weight:700;font-size:13px;margin:15px 0}.login-card input,.form-panel input,.form-panel textarea{display:block;width:100%;margin-top:8px;border:1px solid var(--line);border-radius:12px;padding:13px 14px;outline:none;background:#fff;color:var(--ink)}input:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(11,92,255,.11)}.secure-note{text-align:center;color:var(--muted);font-size:12px;margin-top:18px}.app{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 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rgba(212,59,79,.17)}main{margin-left:270px;min-height:100vh}header{height:88px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:16px;padding:0 34px;position:sticky;top:0;z-index:10}header h2{font-size:19px;margin:0}header p{font-size:12px;color:var(--muted);margin:3px 0 0}.header-right{margin-left:auto;display:flex;gap:14px;align-items:center;font-size:12px;color:var(--muted)}.menu-btn{display:none;border:0;background:transparent;font-size:22px}.page{display:none;padding:30px 34px}.active-page{display:block}.hero-card{background:linear-gradient(135deg,#081a3a,#0b5cff);color:#fff;padding:30px;border-radius:22px;box-shadow:var(--shadow);display:flex;justify-content:space-between;gap:20px;min-height:220px}.hero-card h1{font-size:31px;margin:9px 0 5px}.hero-card p{margin:0;color:#c6d8ff}.eyebrow{font-size:11px;letter-spacing:.18em;font-weight:800;color:#91b6ff}.live-badge{height:fit-content;background:rgba(255,255,255,.12);border:1px solid 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rgba(20,33,61,.045)}.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.panel h3{margin:0 0 5px}.panel p{color:var(--muted);font-size:13px;line-height:1.65;margin:0}.control-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.btn{border:1px solid transparent;border-radius:11px;padding:11px 15px;font-weight:750;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;transition:.18s}.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.55;cursor:wait;transform:none}.btn.primary{background:var(--blue);color:#fff}.btn.ghost{background:#fff;border-color:var(--line);color:var(--ink)}.btn.success{background:#e8f8f2;color:#087b51}.btn.warning{background:#fff4dd;color:#9a6000}.btn.danger{background:#ffecef;color:#a92538}.btn.full{width:100%;margin-top:12px}.detail-list{display:grid;gap:14px}.detail-list>div{display:grid;grid-template-columns:130px 1fr;gap:12px;align-items:center;border-bottom:1px 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.btn{display:none}.login-card{padding:30px 23px}.hero-card h1{font-size:24px}.player-row audio{width:calc(100vw - 120px)}}