:root{color-scheme:dark;--bt-midnight: #0e1624;--bt-twilight: #1e2a44;--bt-aurora: #6c8cff;--bt-lilac: #b9a6ff;--bt-mint: #59d6c9;--bt-text: #f5f7ff;--bt-muted: #94a3b8}*{box-sizing:border-box}body{margin:0;background:var(--bt-midnight);color:var(--bt-text);font-family:system-ui,-apple-system,Segoe UI,sans-serif}a{color:inherit}.layout{display:grid;grid-template-columns:200px 1fr;min-height:100vh;background:var(--bt-midnight);color:var(--bt-text);font-family:system-ui,-apple-system,Segoe UI,sans-serif}.sidebar{border-right:1px solid rgb(255 255 255 / 8%);padding:16px;background:var(--bt-twilight)}.brand{display:flex;align-items:center;gap:10px;font-weight:700;margin-bottom:16px}.brand-mark{width:32px;height:32px;border-radius:10px}nav{display:flex;flex-direction:column;gap:8px}.nav-item{padding:8px 10px;border-radius:8px;color:var(--bt-text);text-decoration:none}.nav-item:hover{background:#ffffff14}.nav-item.active{background:var(--bt-aurora);color:#fff}.content{padding:20px}.logout{margin-top:16px;width:100%;padding:8px 10px;border-radius:8px;border:1px solid rgb(255 255 255 / 10%);background:var(--bt-midnight);color:var(--bt-text);cursor:pointer}.logout:hover{background:#ffffff14}.table{width:100%;border-collapse:collapse;margin-top:12px}.table th,.table td{padding:8px 6px;border-bottom:1px solid #1f2937}.table th{text-align:left;font-weight:600}.sort-btn{background:none;border:none;color:inherit;cursor:pointer;font:inherit;padding:0}.toast-container{position:fixed;top:16px;right:16px;display:flex;flex-direction:column;gap:8px;z-index:1000}.toast{padding:12px 14px;border-radius:10px;color:#0b1021;font-weight:700;min-width:220px;box-shadow:0 10px 24px #0000004d;border:1px solid rgba(0,0,0,.05)}.toast.success{background:linear-gradient(135deg,#34d399,#10b981)}.toast.error{background:linear-gradient(135deg,#f87171,#ef4444)}