:root {
  --green-900: #06281e;
  --green-800: #0b3527;
  --gold: #c9a24a;
  --cream: #f7f5ef;
  --ink: #16201b;
  --muted: #5d6b63;
  --line: rgba(13, 59, 46, 0.12);
  --radius: 12px;
  font-family: "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--cream); color: var(--ink); }
.login {
  min-height: 100vh; display: grid; place-items: center; padding: 24px;
  background: linear-gradient(145deg, var(--green-900), var(--green-800));
}
.login[hidden],
#appView[hidden],
.modal[hidden],
.loader[hidden] { display: none !important; }
.login__card {
  width: min(420px, 100%); background: #fff; border-radius: 16px; padding: 28px;
  display: flex; flex-direction: column; gap: 12px;
  box-shadow: 0 20px 50px rgba(0,0,0,.25);
}
.login__card h1 { margin: 0; color: var(--green-900); font-size: 1.4rem; }
.login__card label, .field label { display: flex; flex-direction: column; gap: 6px; font-size: .9rem; font-weight: 600; }
.login__card input, .editor input, .editor textarea {
  border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; font: inherit; width: 100%;
}
.login__card button, .btn {
  border: 0; border-radius: 8px; padding: 10px 14px; cursor: pointer; font-weight: 600;
  background: var(--green-800); color: #fff;
}
.btn:disabled { opacity: .6; cursor: wait; }
.btn--gold { background: linear-gradient(135deg, #d8b65f, var(--gold)); color: var(--green-900); }
.btn--danger { background: #8b1e1e; }
.btn--ghost { background: #fff; color: var(--green-800); border: 1px solid var(--line); }
.error { color: #8b1e1e; margin: 0; }
.topbar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 16px; background: var(--green-900); color: #fff; position: sticky; top: 0; z-index: 20;
}
.topbar__brand { white-space: nowrap; }
.topbar__tabs { display: flex; gap: 8px; flex: 1; }
.topbar__actions { display: flex; gap: 8px; margin-left: auto; }
.menu-toggle {
  display: none; background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.25);
  border-radius: 8px; width: 42px; height: 42px; font-size: 1.2rem; cursor: pointer;
}
.tab {
  background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.25);
  border-radius: 999px; padding: 8px 14px; cursor: pointer;
}
.tab.is-active { background: var(--gold); color: var(--green-900); border-color: transparent; }
.layout { display: grid; grid-template-columns: minmax(240px, 320px) 1fr; min-height: calc(100vh - 58px); }
.sidebar {
  border-right: 1px solid var(--line); background: #fff; padding: 12px; overflow: auto;
  max-height: calc(100vh - 58px); position: sticky; top: 58px;
}
.sidebar h3 { margin: 14px 8px 8px; font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.sidebar button.nav-item {
  width: 100%; text-align: left; background: transparent; border: 0; border-radius: 8px;
  padding: 10px 12px; cursor: pointer; color: var(--ink); line-height: 1.35;
}
.sidebar button.nav-item .nav-item__sub { display: block; font-size: .78rem; color: var(--muted); margin-top: 2px; }
.sidebar button.nav-item:hover, .sidebar button.nav-item.is-active { background: rgba(201,162,74,.2); }
.editor { padding: 20px; overflow: auto; min-width: 0; }
.editor h2 { margin-top: 0; word-break: break-word; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field textarea { min-height: 90px; resize: vertical; }
.item-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px; margin-bottom: 12px;
}
.item-card__head { display: flex; justify-content: space-between; gap: 8px; align-items: center; margin-bottom: 8px; }
.muted { color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.gallery-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px;
}
.thumb {
  background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden;
  display: flex; flex-direction: column;
}
.thumb img { width: 100%; aspect-ratio: 4/3; object-fit: cover; background: #ddd; }
.thumb__meta { padding: 8px; font-size: .75rem; word-break: break-all; }
.fit-label {
  display: flex; flex-direction: column; gap: 4px;
  padding: 0 8px 8px; font-size: .7rem; color: var(--muted);
}
.fit-label select { font-size: .75rem; padding: 6px 8px; border-radius: 8px; border: 1px solid var(--line); }
.thumb__btns { display: flex; gap: 4px; padding: 0 8px 8px; flex-wrap: wrap; }
.thumb__btns button { font-size: .7rem; padding: 6px 8px; }

/* Modal + loader */
.modal, .loader {
  position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px;
}
.modal__backdrop, .loader {
  background: rgba(6, 40, 30, 0.55);
}
.modal__card, .loader__card {
  position: relative; z-index: 1; width: min(440px, 100%);
  background: #fff; border-radius: 16px; padding: 24px; text-align: center;
  box-shadow: 0 24px 60px rgba(0,0,0,.28);
}
.modal__card h2 { margin: 8px 0 10px; color: var(--green-900); font-size: 1.25rem; }
.modal__card p { margin: 0 0 18px; color: var(--muted); white-space: pre-wrap; }
.modal__actions { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.modal__icon { font-size: 2rem; line-height: 1; }
.modal--success .modal__icon { color: #1b6b50; }
.modal--error .modal__icon { color: #8b1e1e; }
.modal--confirm .modal__icon { color: var(--gold); }
.spinner {
  width: 42px; height: 42px; margin: 0 auto 14px;
  border: 3px solid rgba(13,59,46,.15); border-top-color: var(--gold);
  border-radius: 50%; animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loader__card p { margin: 0; font-weight: 600; color: var(--green-900); }

@media (max-width: 900px) {
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .layout { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; left: 0; top: 58px; bottom: 0; width: min(86vw, 320px);
    z-index: 30; transform: translateX(-105%); transition: transform .25s ease;
    box-shadow: 0 10px 40px rgba(0,0,0,.2); max-height: none;
  }
  body.sidebar-open .sidebar { transform: translateX(0); }
  body.sidebar-open::after {
    content: ""; position: fixed; inset: 58px 0 0 0; background: rgba(0,0,0,.35); z-index: 25;
  }
  .topbar__tabs { order: 3; width: 100%; }
  .editor { padding: 16px; }
  .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
}
@media (max-width: 520px) {
  .topbar__actions .btn { padding: 8px 10px; font-size: .85rem; }
  .login__card { padding: 22px 18px; }
}