:root{--navy:#000066;--ink:#14142b;--muted:#5b5b74;--line:#dcdce6;--bg:#f7f7fb;--danger:#b3261e;--good:#2f7d4f}
*{box-sizing:border-box}
body{font-family:"Inter",Arial,sans-serif;color:var(--ink);margin:0;background:#fff;line-height:1.5}
a{color:var(--navy)}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;border-bottom:2px solid var(--navy)}
.topbar h1{font-size:20px;margin:0;color:var(--navy)}
nav{display:flex;gap:10px}
main{max-width:1080px;margin:24px auto;padding:0 24px}
.btn{display:inline-block;border:1px solid var(--navy);background:#fff;color:var(--navy);padding:7px 12px;border-radius:6px;text-decoration:none;font-size:13px;cursor:pointer}
.btn.primary{background:var(--navy);color:#fff}
.btn.small{padding:4px 9px;font-size:12px}
.btn.danger{border-color:var(--danger);color:var(--danger)}
.btn:hover{opacity:.9}
.flash{background:#eaf3ec;border:1px solid #bfe0c9;color:var(--good);padding:9px 14px;border-radius:6px}
.empty{color:var(--muted)}
.filterbar{display:flex;align-items:center;gap:12px;margin:16px 0 8px}
.filterbar #filter{flex:1;max-width:420px;padding:9px 12px;border:1px solid var(--line);border-radius:6px;font-size:14px;font-family:inherit}
.filterbar #filter:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 2px rgba(0,0,102,.12)}
.filterbar .count{color:var(--muted);font-size:12px;white-space:nowrap}
table.videos{width:100%;border-collapse:collapse}
table.videos th{text-align:left;font-size:12px;color:var(--muted);border-bottom:1px solid var(--line);padding:8px}
table.videos td{border-bottom:1px solid var(--line);padding:12px 8px;vertical-align:top}
.cell-preview video{border-radius:6px;background:#000;max-width:180px}
.cell-meta strong{display:block}
.muted{color:var(--muted);font-size:12px}
.notes{font-size:12px;margin-top:4px}
.mapping{font-size:11px;margin-top:6px;color:var(--muted);word-break:break-all}
.tag{background:var(--line);border-radius:3px;padding:1px 5px;font-size:10px}
.tag.new{background:var(--navy);color:#fff}
.copyrow{display:flex;gap:6px;margin-bottom:6px}
.copyrow input{flex:1;min-width:120px;font-size:12px;padding:4px 6px;border:1px solid var(--line);border-radius:4px}
.cell-actions{white-space:nowrap;display:flex;gap:6px}
/* login */
.login-body{display:flex;min-height:100vh;align-items:center;justify-content:center;background:var(--bg)}
.login-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:28px;width:320px;box-shadow:0 6px 24px rgba(0,0,20,.06)}
.login-card h1{color:var(--navy);font-size:20px;margin:0 0 16px}
.login-card label{display:block;font-size:13px;margin-bottom:14px}
.login-card input{width:100%;padding:9px;border:1px solid var(--line);border-radius:6px;margin-top:4px}
.login-card button{width:100%;background:var(--navy);color:#fff;border:none;padding:10px;border-radius:6px;cursor:pointer}
.error{color:var(--danger);font-size:13px;margin:0 0 12px}
/* forms */
.form{max-width:560px}
.form label{display:block;margin-bottom:14px;font-size:14px}
.form input[type=text],.form input[type=url],.form input[type=file],.form textarea{width:100%;padding:8px;border:1px solid var(--line);border-radius:6px;margin-top:4px;font-family:inherit}
.field-help{display:block;color:var(--muted);font-size:12px;line-height:1.45;margin-top:5px}
.field-help strong{color:var(--ink);font-weight:600;overflow-wrap:anywhere}
.form .actions{display:flex;gap:10px;margin-top:8px}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--navy);color:#fff;padding:9px 16px;border-radius:6px;font-size:13px;opacity:0;transition:opacity .2s}
.toast.show{opacity:1}