:root {
  --navy: #0e1b33;
  --navy-2: #14264a;
  --gold: #c9a24b;
  --bg: #f1f3f7;
  --card: #fff;
  --line: #e3e7ef;
  --ink: #1d2433;
  --muted: #7a8499;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', system-ui, sans-serif; background: var(--bg); color: var(--ink); }
.muted { color: var(--muted); }
.small { font-size: .8rem; }
.err { color: #d23b3b; font-size: .85rem; min-height: 1.1rem; }

.btn { display: inline-flex; align-items: center; gap: .4rem; border: 0; border-radius: 8px; padding: .7rem 1.2rem; font-weight: 600; font-size: .9rem; cursor: pointer; transition: .2s; font-family: inherit; }
.btn.primary { background: linear-gradient(135deg, var(--gold), #e3c275); color: #1a1407; }
.btn.primary:hover { filter: brightness(1.05); transform: translateY(-1px); }
.btn.ghost { background: #eef1f6; color: var(--ink); }
.btn.ghost:hover { background: #e2e7f0; }
.btn.small { padding: .5rem .9rem; font-size: .82rem; }
.btn.danger { background: #fbe9e9; color: #c33; }
.btn.danger:hover { background: #f7d7d7; }

/* Login */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: radial-gradient(1200px 600px at 50% -10%, #1c3157, var(--navy)); padding: 1rem; }
.login-card { background: var(--card); width: 100%; max-width: 380px; border-radius: 16px; padding: 2.4rem 2rem; box-shadow: 0 24px 60px rgba(0,0,0,.4); text-align: center; }
.login-emblem { font-size: 2.6rem; }
.login-card h1 { font-size: 1.4rem; margin: .4rem 0 .1rem; color: var(--navy); }
.login-card label { display: block; text-align: left; font-size: .82rem; font-weight: 600; color: var(--muted); margin-top: 1rem; }
.login-card input { width: 100%; margin-top: .35rem; padding: .7rem .8rem; border: 1px solid var(--line); border-radius: 8px; font-size: .95rem; }
.login-card .btn { width: 100%; justify-content: center; margin-top: 1.4rem; }

/* Dashboard layout */
.dash { display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; }
.side { background: var(--navy); color: #cdd5e3; display: flex; flex-direction: column; padding: 1.4rem 1rem; position: sticky; top: 0; height: 100vh; }
.side-brand { font-size: 1.2rem; font-weight: 700; color: #fff; margin-bottom: 1.6rem; padding: 0 .4rem; }
.side-nav { display: flex; flex-direction: column; gap: .25rem; flex: 1; }
.side-nav a { padding: .7rem .8rem; border-radius: 8px; cursor: pointer; font-size: .9rem; font-weight: 500; transition: .2s; }
.side-nav a:hover { background: rgba(255,255,255,.07); color: #fff; }
.side-nav a.active { background: var(--gold); color: #1a1407; font-weight: 600; }
.side-foot { display: flex; flex-direction: column; gap: .6rem; margin-top: 1rem; }
.view-site { color: #9fb0cc; font-size: .85rem; text-decoration: none; padding: .4rem; }
.view-site:hover { color: #fff; }

.content { padding: 2rem 2.4rem; max-width: 1000px; }
.content h2 { color: var(--navy); margin-bottom: 1.2rem; }
.tab-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.2rem; }
.tab-head h2 { margin: 0; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 1.6rem; box-shadow: 0 6px 20px rgba(14,27,51,.05); }
.card h3 { margin: 1.4rem 0 .4rem; color: var(--navy); font-size: 1rem; }
label { display: block; font-size: .82rem; font-weight: 600; color: var(--muted); margin-top: 1rem; }
input, textarea, select { width: 100%; margin-top: .35rem; padding: .7rem .8rem; border: 1px solid var(--line); border-radius: 8px; font-size: .92rem; font-family: inherit; background: #fcfdff; }
input:focus, textarea:focus { outline: 2px solid rgba(201,162,75,.4); border-color: var(--gold); }
textarea { resize: vertical; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.2rem; }
.card .btn { margin-top: 1.4rem; }

.logo-row { display: flex; align-items: center; gap: 1.2rem; margin-bottom: .5rem; }
.logo-prev { width: 80px; height: 80px; border-radius: 12px; background: var(--navy); color: var(--gold); display: flex; align-items: center; justify-content: center; font-size: 2rem; overflow: hidden; flex-shrink: 0; }
.logo-prev img { width: 100%; height: 100%; object-fit: contain; }
.file-btn { display: inline-block; background: #eef1f6; padding: .6rem 1rem; border-radius: 8px; cursor: pointer; font-weight: 600; color: var(--ink); margin: 0; }
.file-btn:hover { background: #e2e7f0; }

/* Item lists */
.items { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.1rem; }
.item { background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; box-shadow: 0 4px 14px rgba(14,27,51,.05); display: flex; flex-direction: column; }
.item-img { height: 140px; background: var(--navy-2); background-size: cover; background-position: center; display: flex; align-items: center; justify-content: center; color: var(--gold); font-size: 2rem; }
.item-body { padding: .9rem 1rem; flex: 1; }
.item-body h4 { color: var(--navy); font-size: 1rem; }
.item-body .sub { color: var(--gold); font-size: .8rem; font-weight: 600; }
.item-body p { color: var(--muted); font-size: .85rem; margin-top: .3rem; }
.item-actions { display: flex; gap: .5rem; padding: .7rem 1rem; border-top: 1px solid var(--line); }
.item-actions .btn { margin: 0; flex: 1; justify-content: center; }

/* Modal */
.modal { position: fixed; inset: 0; background: rgba(10,18,38,.6); display: flex; align-items: center; justify-content: center; padding: 1rem; z-index: 100; backdrop-filter: blur(3px); }
.modal[hidden] { display: none; }
.modal-card { background: #fff; width: 100%; max-width: 520px; border-radius: 14px; padding: 1.8rem; max-height: 92vh; overflow-y: auto; }
.modal-card h3 { color: var(--navy); }
.modal-actions { display: flex; justify-content: flex-end; gap: .7rem; margin-top: 1.4rem; }
.img-preview { width: 100%; height: 160px; border-radius: 10px; object-fit: cover; margin-top: .5rem; border: 1px solid var(--line); display: none; }

/* Toast */
.toast { position: fixed; top: 18px; right: 18px; background: var(--navy); color: #fff; padding: .8rem 1.2rem; border-radius: 10px; box-shadow: 0 10px 30px rgba(0,0,0,.3); transform: translateX(140%); transition: .35s; z-index: 200; font-size: .9rem; }
.toast.show { transform: none; }
.toast.ok { background: #1f7a4d; }
.toast.err { background: #c33; }

@media (max-width: 820px) {
  .dash { grid-template-columns: 1fr; }
  .side { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; }
  .side-nav { flex-direction: row; flex-wrap: wrap; }
  .side-foot { flex-direction: row; }
  .grid2 { grid-template-columns: 1fr; }
  .content { padding: 1.4rem; }
}