:root {
  --bg: #0f1115;
  --card-bg: #171a21;
  --card-bg-hover: #1e2229;
  --text: #e8eaed;
  --muted: #9aa0ac;
  --accent: #4f8cff;
  --accent-hover: #6ea0ff;
  --border: #2a2f3a;
  --danger: #dc2626;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background: var(--bg); color: var(--text); }

.topbar { display: flex; align-items: center; justify-content: space-between; padding: 22px 36px; background: linear-gradient(135deg,#14161c,#1b2030 60%,#16233d); border-bottom: 1px solid var(--border); box-shadow: 0 2px 20px rgba(0,0,0,0.25); }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { font-size: 26px; filter: drop-shadow(0 0 6px rgba(79,140,255,0.6)); }
.topbar h1 { font-size: 22px; margin: 0; font-weight: 700; background: linear-gradient(90deg,#ffffff,#9db8ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.signed-in-as { margin-right: 14px; font-size: 14px; color: var(--muted); }

main { padding: 40px 32px 60px; max-width: 1150px; margin: 0 auto; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px,1fr)); gap: 18px; }
.empty { color: var(--muted); }

.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px; padding: 20px; text-decoration: none; color: var(--text); transition: box-shadow .15s, transform .15s; display: flex; flex-direction: column; gap: 8px; position: relative; overflow: hidden; }
.card:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.35); transform: translateY(-2px); }
.card.has-custom-bg { color: #fff; }
.card.has-custom-bg:hover { filter: brightness(1.08); }
.card-icon-row { display: flex; align-items: center; justify-content: space-between; }
.card-favicon { width: 28px; height: 28px; border-radius: 6px; background: rgba(255,255,255,0.08); object-fit: contain; }
.card h3 { margin: 0; font-size: 16px; }
.card p { margin: 0; font-size: 13px; color: var(--muted); }
.card.has-custom-bg p { color: rgba(255,255,255,0.85); }
.card .badge { font-size: 11px; padding: 2px 9px; border-radius: 999px; background: rgba(79,140,255,0.15); color: var(--accent-hover); border: 1px solid rgba(79,140,255,0.3); }

button { cursor: pointer; border: none; border-radius: 8px; padding: 9px 16px; font-size: 14px; background: var(--accent); color: white; font-weight: 600; }
button:hover { background: var(--accent-hover); }
button.secondary { background: var(--card-bg); color: var(--text); border: 1px solid var(--border); }
button.secondary:hover { background: var(--card-bg-hover); }
button.danger { background: var(--danger); }
.hidden { display: none !important; }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,0.55); display: flex; align-items: center; justify-content: center; padding: 20px; z-index: 50; }
.modal-box { background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px; padding: 26px; width: 100%; max-width: 400px; max-height: 90vh; overflow-y: auto; }
.modal-box.wide { max-width: 720px; }
.modal-header { display: flex; justify-content: space-between; align-items: center; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 10px; }

input[type="text"], input[type="password"], input[type="url"], select { width: 100%; padding: 10px 12px; margin-bottom: 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; background: #0f1115; color: var(--text); }
input[type="color"] { width: 100%; height: 40px; margin-bottom: 10px; border: 1px solid var(--border); border-radius: 8px; background: #0f1115; padding: 4px; cursor: pointer; }
input[type="file"] { width: 100%; margin-bottom: 10px; font-size: 13px; color: var(--muted); }

.upload-wrap { margin-bottom: 10px; }
.img-preview { width: 100%; height: 100px; border-radius: 8px; background-size: cover; background-position: center; border: 1px solid var(--border); margin-top: 6px; }

.error { color: var(--danger); font-size: 13px; min-height: 18px; }
.link-form, .user-form { display: flex; flex-direction: column; }
.visibility-label { font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.user-checkboxes { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.user-checkboxes label { font-size: 13px; background: #0f1115; border: 1px solid var(--border); padding: 4px 8px; border-radius: 6px; cursor: pointer; }

.admin-row { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); gap: 10px; }
.admin-row .meta { font-size: 12px; color: var(--muted); }
.admin-row .actions { display: flex; gap: 6px; flex-shrink: 0; }
section h3 { margin-bottom: 8px; margin-top: 24px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); }
.user-pill { display: flex; justify-content: space-between; align-items: center; padding: 6px 0; border-bottom: 1px solid var(--border); font-size: 14px; }