:root {
  --navy: #243846;
  --slate: #3e4d56;
  --accent: #c2d501;
  --accent-dark: #a3b300;
  --bg: #f6f8fa;
  --border: #e3e8ec;
  --danger: #c02b0a;
  --text: #243846;
  --text-muted: #6d7b7b;
  --white: #ffffff;
  --radius: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
}

a { color: var(--navy); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  background: var(--navy);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 64px;
}
.topbar .brand { display: flex; align-items: center; gap: 12px; }
.topbar .brand img { height: 28px; display: block; }
.topbar .brand-text { font-weight: 600; font-size: 17px; letter-spacing: 0.2px; }
.topbar nav { display: flex; align-items: center; gap: 20px; }
.topbar nav a { color: #d7dee2; font-size: 14px; font-weight: 500; }
.topbar nav a:hover { color: var(--white); text-decoration: none; }
.topbar .who { color: #9fb0b8; font-size: 13px; margin-right: 8px; }
.topbar form { display: inline; }
.topbar button.link-btn {
  background: none; border: none; color: #d7dee2; font-size: 14px; font-weight: 500; cursor: pointer; padding: 0; font-family: inherit;
}
.topbar button.link-btn:hover { color: var(--white); text-decoration: underline; }

.container { max-width: 1100px; margin: 0 auto; padding: 32px 24px 64px; }
.container.narrow { max-width: 480px; }

h1 { font-size: 24px; margin: 0 0 6px; color: var(--navy); }
h2 { font-size: 18px; margin: 0 0 14px; color: var(--navy); }
.subtitle { color: var(--text-muted); margin: 0 0 24px; font-size: 14px; }

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 6px;
  border: 1px solid transparent;
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--navy); color: var(--white); }
.btn-primary:hover { background: var(--slate); }
.btn-accent { background: var(--accent); color: var(--navy); }
.btn-accent:hover { background: var(--accent-dark); }
.btn-outline { background: var(--white); color: var(--navy); border-color: var(--border); }
.btn-outline:hover { background: var(--bg); }
.btn-danger { background: var(--white); color: var(--danger); border-color: #f0c9c0; }
.btn-danger:hover { background: #fdf1ee; }
.btn-sm { padding: 5px 10px; font-size: 12.5px; }

label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--slate); }
input[type="text"], input[type="email"], input[type="password"], input[type="number"], textarea, select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  margin-bottom: 16px;
  background: var(--white);
  color: var(--text);
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--navy); }

.alert { padding: 12px 16px; border-radius: 6px; font-size: 14px; margin-bottom: 18px; }
.alert-error { background: #fdf1ee; color: var(--danger); border: 1px solid #f0c9c0; }
.alert-success { background: #f3f8d9; color: #5a6300; border: 1px solid #dde96b; }
.alert-info { background: #eef3f6; color: var(--slate); border: 1px solid var(--border); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--text-muted); font-weight: 600; font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.03em; padding: 8px 10px; border-bottom: 2px solid var(--border); }
td { padding: 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 100px; font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; }
.badge-active { background: #f3f8d9; color: #5a6300; }
.badge-revoked { background: #fdf1ee; color: var(--danger); }
.badge-folder { background: #eef3f6; color: var(--slate); }
.badge-video { background: #e6f0fb; color: #1a5490; }

.breadcrumbs { font-size: 13.5px; color: var(--text-muted); margin-bottom: 16px; }
.breadcrumbs a { color: var(--slate); }
.breadcrumbs .sep { margin: 0 6px; }

.file-row { display: flex; align-items: center; justify-content: space-between; padding: 12px 4px; }
.file-row .name { display: flex; align-items: center; gap: 10px; font-weight: 500; }
.file-row .icon { font-size: 18px; width: 22px; text-align: center; }
.file-row .meta { color: var(--text-muted); font-size: 12.5px; }
.file-row .actions { display: flex; gap: 8px; }

.empty-state { text-align: center; padding: 48px 20px; color: var(--text-muted); }

.stat-row { display: flex; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.stat-box { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 20px; min-width: 130px; }
.stat-box .num { font-size: 26px; font-weight: 700; color: var(--navy); }
.stat-box .label { font-size: 12.5px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.03em; }

.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13.5px;
  margin-bottom: 16px;
}

.code-box {
  font-family: "SF Mono", Monaco, monospace;
  font-size: 20px;
  letter-spacing: 0.08em;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  display: inline-block;
  font-weight: 700;
  color: var(--navy);
}

.copy-field { display: flex; gap: 8px; align-items: center; margin-bottom: 10px; }
.copy-field input { margin-bottom: 0; flex: 1; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.tabs a { padding: 10px 4px; margin-right: 20px; font-size: 14px; font-weight: 600; color: var(--text-muted); border-bottom: 2px solid transparent; }
.tabs a.active { color: var(--navy); border-bottom-color: var(--accent); }

.portal-video { width: 100%; max-height: 70vh; background: #000; border-radius: var(--radius); }

.login-card { margin-top: 64px; }
.login-logo { text-align: center; margin-bottom: 24px; }
.login-logo img { height: 36px; }

.footer-note { text-align: center; color: var(--text-muted); font-size: 12.5px; margin-top: 32px; }

.hidden { display: none !important; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.text-muted { color: var(--text-muted); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }