:root {
  --admin-bg: #f8f8f8;
  --admin-panel: #ffffff;
  --admin-ink: #3f3f3f;
  --admin-muted: #777777;
  --admin-line: #e5e5e5;
  --admin-accent: #EF2B2D;
  --admin-accent-dark: #D01F21;
  --admin-sidebar: #3f3f3f;
  --admin-danger: #D01F21;
  --admin-warn: #bc6c25;
  --admin-radius: 18px;
  --admin-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  font-family: "Poppins", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--admin-bg);
  color: var(--admin-ink);
  min-height: 100vh;
  line-height: 1.7;
}

a { color: var(--admin-accent); }

.hidden { display: none !important; }

/* Login */
.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at top left, rgba(239, 43, 45, 0.14), transparent 42%),
    var(--admin-bg);
}

.login-card {
  width: min(420px, 100%);
  background: var(--admin-panel);
  border-radius: var(--admin-radius);
  padding: 32px;
  box-shadow: var(--admin-shadow);
  border: 1px solid var(--admin-line);
}

.login-card h1 {
  margin: 0 0 8px;
  font-size: 1.5rem;
  color: var(--admin-ink);
}

.login-card p {
  margin: 0 0 24px;
  color: var(--admin-muted);
  font-size: 0.95rem;
}

/* Shell */
.admin-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.admin-sidebar {
  background: var(--admin-sidebar);
  color: #ffffff;
  padding: 28px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-brand {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 18px;
  padding: 0 10px;
}

.admin-brand span {
  display: block;
  font-weight: 400;
  font-size: 0.8rem;
  opacity: 0.75;
  margin-top: 4px;
}

.nav-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  padding: 12px 14px;
  border-radius: 10px;
  cursor: pointer;
  font: inherit;
  font-weight: 500;
}

.nav-btn:hover,
.nav-btn.active {
  background: rgba(239, 43, 45, 0.92);
}

.sidebar-footer {
  margin-top: auto;
  display: grid;
  gap: 8px;
}

.admin-main {
  padding: 28px;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
}

.admin-header h2 {
  margin: 0;
  font-size: 1.45rem;
}

.panel {
  background: var(--admin-panel);
  border: 1px solid var(--admin-line);
  border-radius: var(--admin-radius);
  box-shadow: var(--admin-shadow);
  padding: 22px;
  margin-bottom: 18px;
}

.panel h3 {
  margin: 0 0 16px;
  font-size: 1.05rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--admin-muted);
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--admin-line);
  border-radius: 10px;
  padding: 11px 12px;
  font: inherit;
  color: var(--admin-ink);
  background: #fff;
}

textarea { min-height: 96px; resize: vertical; }

.btn {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 11px 18px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  background: var(--admin-accent);
  color: #fff;
}

.btn:hover { background: var(--admin-accent-dark); }

.btn.secondary {
  background: #f8f8f8;
  color: var(--admin-ink);
  border: 1px solid var(--admin-line);
}

.btn.danger {
  background: var(--admin-danger);
}

.btn.ghost {
  background: transparent;
  color: var(--admin-muted);
  border: 1px solid var(--admin-line);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.card-list {
  display: grid;
  gap: 12px;
}

.item-card {
  display: grid;
  grid-template-columns: 88px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--admin-line);
  border-radius: 12px;
  background: #ffffff;
}

.item-card img {
  width: 88px;
  height: 88px;
  object-fit: cover;
  border-radius: 10px;
  background: #f0f0f0;
}

.item-card h4 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.item-card p {
  margin: 0;
  color: var(--admin-muted);
  font-size: 0.88rem;
}

.item-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.preview {
  width: 100%;
  max-height: 180px;
  object-fit: cover;
  border-radius: 10px;
  background: #f0f0f0;
  margin-top: 8px;
}

.status {
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.9rem;
  margin-bottom: 14px;
}

.status.ok { background: #e8f8ef; color: #1f7a3f; }
.status.err { background: #fde8e8; color: #D01F21; }
.status.info { background: #f0f0f0; color: #3f3f3f; }

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(63, 63, 63, 0.45);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 50;
}

.modal {
  width: min(640px, 100%);
  max-height: 90vh;
  overflow: auto;
  background: #fff;
  border-radius: var(--admin-radius);
  padding: 22px;
  box-shadow: var(--admin-shadow);
}

.modal h3 { margin-top: 0; }

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 16px;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.tab {
  border: 1px solid var(--admin-line);
  background: #fff;
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  color: var(--admin-muted);
}

.tab.active {
  background: var(--admin-accent);
  border-color: var(--admin-accent);
  color: #fff;
}

@media (max-width: 900px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-sidebar { flex-direction: row; flex-wrap: wrap; }
  .sidebar-footer { width: 100%; margin-top: 8px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .item-card { grid-template-columns: 72px 1fr; }
  .item-actions { grid-column: 1 / -1; flex-direction: row; }
}