:root{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;color:#202627;background:#f6f7f8;font-size:14px;--accent:#177568;--line:#e7e9eb;--warn:#b4531a}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}
button{border:1px solid #dce1e2;border-radius:8px;padding:9px 15px;background:#fff;color:#3c4648;cursor:pointer;font-weight:500}
button:hover{background:#f0f4f3}button:disabled{opacity:.45;cursor:not-allowed}
button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover{background:#106759}
button.danger{color:#a3321f;border-color:#efc9c1}button.link{border:0;background:none;color:var(--accent);padding:4px 6px}
input,select{border:1px solid #d6dcdd;border-radius:8px;padding:9px 11px;background:#fff;width:100%}
label{display:block;font-size:12px;color:#5d6866;margin-bottom:12px}label input,label select{margin-top:5px}
.top{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;background:#fff;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px}.brand b{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:#173e37;color:#fff}
.who{font-size:13px;color:#5f6b68;display:flex;gap:12px;align-items:center}
.wrap{max-width:1180px;margin:0 auto;padding:30px 28px 60px}
h1{font-size:24px;margin:0 0 6px}h2{font-size:17px;margin:34px 0 12px}.muted{color:#86908d;font-size:12px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px;margin-top:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:10px}
.card h3{margin:0;font-size:17px}.line{font-size:12px;color:#4d6a63}
.badge{display:inline-block;font-size:12px;border-radius:6px;padding:3px 9px;font-weight:600}
.free{background:#e6f3ee;color:#1d6b5c}.busy{background:#fdeee3;color:var(--warn)}.mine{background:#e5eefb;color:#2856a3}.off{background:#f0f1f2;color:#6d7573}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto}
.panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
.tabs{display:flex;gap:6px;margin-top:36px}.tabs button{border-radius:8px 8px 0 0}.tabs button.on{background:#173e37;color:#fff;border-color:#173e37}
table{width:100%;border-collapse:collapse;font-size:13px}td,th{text-align:left;padding:9px 8px;border-bottom:1px solid #eff1f2}th{color:#7b8683;font-weight:500}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
#toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);background:#1f2b29;color:#fff;padding:12px 18px;border-radius:10px;max-width:90vw;font-size:14px;z-index:9}#toast.error{background:#8d2c1d}
.login{max-width:380px;margin:12vh auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px}
.login h1{margin-bottom:22px}.err{color:#a3321f;font-size:13px;min-height:18px}
/* 画面页 */
.viewbar{height:52px;display:flex;align-items:center;gap:12px;padding:0 14px;background:#173e37;color:#fff}
.viewbar .title{font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;max-width:34vw}
.viewbar .hint{font-size:12px;color:#b9d3cc;flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.viewbar button{flex-shrink:0;white-space:nowrap}
#files{margin-left:auto}
@media (max-width:900px){.viewbar .hint{display:none}.viewbar{gap:8px;padding:0 8px}}
.viewbar button{padding:6px 12px;background:#244f47;color:#fff;border-color:#35665d}.viewbar button.primary{background:#e6b347;border-color:#e6b347;color:#2b2310}
#screen{position:fixed;top:52px;left:0;right:0;bottom:0;border:0;width:100%;height:calc(100vh - 52px);background:#000}
.overlay{position:fixed;inset:52px 0 0 0;background:#0f1a18e6;color:#fff;display:grid;place-items:center;text-align:center;font-size:18px;z-index:5}
.overlay p{font-size:14px;color:#cfe0dc}
.drawer{position:fixed;top:52px;right:0;width:360px;bottom:0;background:#fff;border-left:1px solid var(--line);padding:18px;overflow:auto;z-index:6;box-shadow:-6px 0 18px #0002}
.drawer li{list-style:none;padding:8px 0;border-bottom:1px solid #f0f2f2;display:flex;justify-content:space-between;gap:8px;font-size:13px}.drawer ul{padding:0}
[hidden]{display:none!important}