:root {
  --navy: #1a354f; --blue: #1a65d3; --gold: #fbd068; --slate: #2d3e50;
  --ink: #292828; --muted: #6b7778; --line: #dde3ea; --bg: #f4f6f8; --card: #fff; --lightblue: #e6effc;
  --ok: #1f7a4d; --ok-bg: #e3f4ea; --warn: #8a5a00; --warn-bg: #fff3d6; --err: #a8261c; --err-bg: #fbe5e2;
  --radius: 8px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--ink); background: var(--bg); min-height: 100vh; display: flex; flex-direction: column; }
a { color: var(--blue); }
h1 { font-size: 1.6rem; margin: .2em 0 .6em; color: var(--navy); }
h2 { font-size: 1.1rem; margin: 0 0 .7em; color: var(--navy); }
h3 { font-size: 1rem; margin: 0 0 .3em; }
code { background: var(--lightblue); padding: .1em .35em; border-radius: 4px; }
[hidden] { display: none !important; }

.topbar { background: var(--navy); color: #fff; display: flex; align-items: center; gap: 1.5rem; padding: .7rem 1.2rem; flex-wrap: wrap; }
.brand { color: #fff; text-decoration: none; font-weight: 700; display: flex; align-items: center; gap: .5rem; }
.brand-mark { background: var(--gold); color: var(--navy); width: 28px; height: 28px; border-radius: 6px; display: grid; place-items: center; font-weight: 800; }
.mainnav { display: flex; gap: .3rem; flex-wrap: wrap; }
.mainnav a { color: #cfdbe8; text-decoration: none; padding: .35rem .7rem; border-radius: 6px; }
.mainnav a:hover { background: rgba(255,255,255,.08); color: #fff; }
.mainnav a.active { background: rgba(255,255,255,.14); color: #fff; }
.userbox { margin-left: auto; display: flex; align-items: center; gap: .9rem; font-size: .9rem; }
.userbox a, .userbox .linkbtn { color: #cfdbe8; }
.who small { color: var(--gold); margin-left: .3rem; }

.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 1.5rem 1rem 3rem; flex: 1; }
.foot { text-align: center; color: var(--muted); font-size: .8rem; padding: 1rem; }

.flash { padding: .7rem 1rem; border-radius: var(--radius); margin-bottom: 1rem; border: 1px solid transparent; }
.flash-ok { background: var(--ok-bg); color: var(--ok); border-color: #bfe3cd; }
.flash-err { background: var(--err-bg); color: var(--err); border-color: #f1c2bc; }
.flash-warn { background: var(--warn-bg); color: var(--warn); border-color: #f2dc9e; }
.credentials .pw { display: inline-block; font-size: 1.1rem; margin: .3rem .4rem; padding: .2rem .6rem; background: #fff; color: var(--ink); user-select: all; }
.credentials .small { display: block; }

.btn { display: inline-block; font: inherit; padding: .5rem 1rem; border-radius: 6px; border: 1px solid var(--line); background: #fff; color: var(--ink); cursor: pointer; text-decoration: none; }
.btn:hover { border-color: #b8c3cf; }
.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-primary:hover { background: #1556b5; }
.btn-danger { background: var(--err); border-color: var(--err); color: #fff; }
.btn:disabled { opacity: .5; cursor: default; }
.linkbtn { background: none; border: 0; padding: 0; font: inherit; color: var(--blue); cursor: pointer; text-decoration: underline; }
.linkbtn.danger { color: var(--err); }
form.inline { display: inline; }

input, textarea, select { font: inherit; padding: .5rem .6rem; border: 1px solid #c7d0da; border-radius: 6px; width: 100%; background: #fff; color: var(--ink); }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--lightblue); border-color: var(--blue); }
input[type=checkbox], input[type=radio] { width: auto; }
input[type=file] { border: 1px dashed #b8c3cf; padding: .8rem; }
label { display: block; font-weight: 600; font-size: .9rem; }
label input, label textarea, label select { margin-top: .3rem; font-weight: 400; }
label.check { font-weight: 400; display: flex; gap: .5rem; align-items: baseline; }
fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: .8rem 1rem; margin: 0; }
legend { font-weight: 700; color: var(--navy); padding: 0 .3rem; }
.stack > * + * { margin-top: 1rem; }
.row { display: flex; gap: .8rem; align-items: flex-end; flex-wrap: wrap; }
.row > label { flex: 1 1 200px; }
.row > label.narrow { flex: 0 0 120px; }
.inline-add { margin-top: 1rem; }
.checklist { max-height: 340px; overflow: auto; display: grid; gap: .35rem; margin-bottom: 1rem; }

.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem; }
.cols { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 1.2rem; align-items: start; }
@media (max-width: 860px) { .cols { grid-template-columns: 1fr; } }
.titlebar { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.titlebar h1 { margin-bottom: .3em; }
.crumbs { margin: 0 0 .3rem; font-size: .9rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.err { color: var(--err); }
.empty { background: var(--card); border: 1px dashed var(--line); border-radius: var(--radius); padding: 2rem; text-align: center; color: var(--muted); }

.auth-card { max-width: 420px; margin: 2rem auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.8rem; }

.table-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; background: var(--card); }
.panel .tbl { background: none; }
.tbl th, .tbl td { text-align: left; padding: .6rem .7rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl th { font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); background: #fafbfc; }
.tbl tr.dim td { opacity: .55; }
.tbl .actions { white-space: nowrap; }
.tbl .actions form { display: inline; margin-right: .6rem; }
.matrix th:not(:first-child) { min-width: 140px; }

.badge { display: inline-block; font-size: .78rem; font-weight: 600; padding: .15rem .55rem; border-radius: 999px; }
.badge-done { background: var(--ok-bg); color: var(--ok); }
.badge-progress { background: var(--lightblue); color: var(--blue); }
.badge-updated { background: var(--warn-bg); color: var(--warn); }
.badge-new { background: #eef1f4; color: var(--muted); }

.cat { margin-top: 1.6rem; padding-bottom: .3rem; border-bottom: 2px solid var(--gold); display: inline-block; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; color: inherit; overflow: hidden; transition: box-shadow .15s, transform .15s; display: flex; flex-direction: column; }
.card:hover { box-shadow: 0 6px 18px rgba(26,53,79,.12); transform: translateY(-2px); }
.thumb { aspect-ratio: 16/9; background: linear-gradient(135deg, var(--navy), var(--slate)); position: relative; display: grid; place-items: center; }
.play { width: 52px; height: 52px; border-radius: 50%; background: rgba(255,255,255,.92); color: var(--navy); display: grid; place-items: center; font-size: 1.2rem; padding-left: 4px; }
.dur { position: absolute; right: .5rem; bottom: .5rem; background: rgba(0,0,0,.6); color: #fff; font-size: .75rem; padding: .1rem .4rem; border-radius: 4px; }
.card-body { padding: .9rem 1rem 1rem; display: flex; flex-direction: column; gap: .4rem; flex: 1; }
.card-body .desc { margin: 0; color: var(--muted); font-size: .88rem; flex: 1; }
.card-body .badge { align-self: flex-start; }

.player { background: #000; border-radius: var(--radius); overflow: hidden; aspect-ratio: 16/9; max-width: 100%; }
.player video, .player iframe { width: 100%; height: 100%; border: 0; display: block; }
.player .empty { margin: 0; height: 100%; display: grid; place-items: center; }
.watch-meta { display: flex; justify-content: space-between; gap: 1.5rem; margin-top: 1rem; flex-wrap: wrap; }
.desc-full { margin-top: 0; max-width: 70ch; }

.progress { height: 10px; background: #eef1f4; border-radius: 999px; overflow: hidden; margin: .8rem 0 .3rem; }
.progress .bar { height: 100%; width: 0; background: var(--blue); transition: width .2s; }
#uploader .btn { margin-top: .6rem; }
.meter { display: inline-block; width: 120px; height: 8px; background: #eef1f4; border-radius: 999px; overflow: hidden; vertical-align: middle; margin-right: .4rem; }
.meter div { height: 100%; background: var(--ok); }

@media (max-width: 600px) {
  .userbox { margin-left: 0; width: 100%; }
  h1 { font-size: 1.35rem; }
}