/* Nexus Shine — admin back office styles. Reuses tokens from application.css. */

body.admin { background: var(--color-background); }

/* ---------- Shell ---------- */
.admin-shell { display: grid; grid-template-columns: 248px 1fr; min-height: 100vh; }
.admin-sidebar {
  background: var(--color-dark); color: #cfe2ea; padding: 20px 16px;
  display: flex; flex-direction: column; gap: 8px; position: sticky; top: 0; height: 100vh;
}
.admin-brand { display: flex; align-items: center; gap: 8px; padding: 6px 8px 16px; border-bottom: 1px solid rgba(255,255,255,.1); margin-bottom: 10px; overflow: hidden; }
.admin-brand-img { height: 26px; width: auto; max-width: 150px; object-fit: contain; }
.admin-brand span { font-weight: 800; color: #fff; letter-spacing: .02em; white-space: nowrap; }
.admin-nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.admin-nav-link {
  display: block; padding: 10px 12px; border-radius: 8px; color: #cfe2ea; text-decoration: none; font-weight: 600;
  transition: background .15s, color .15s;
}
.admin-nav-link:hover { background: rgba(255,255,255,.08); color: #fff; text-decoration: none; }
.admin-nav-link.is-active { background: var(--color-primary); color: #fff; }
.nav-badge { display: inline-block; min-width: 18px; padding: 1px 6px; border-radius: 10px; background: var(--color-warning); color: #3a2a00; font-size: 12px; font-weight: 800; text-align: center; }
.low-stock-panel { border-color: #f4d58a; background: #fffdf5; }
.low-stock-panel h2 { color: #92600a; }
.admin-sidebar-foot { border-top: 1px solid rgba(255,255,255,.1); padding-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.admin-logout { background: transparent; border: 1px solid rgba(255,255,255,.2); color: #cfe2ea; padding: 9px 12px; border-radius: 8px; cursor: pointer; font: inherit; font-weight: 600; width: 100%; text-align: left; }
.admin-logout:hover { background: rgba(239,68,68,.2); border-color: var(--color-danger); color: #fff; }

.admin-main { padding: 28px 32px; max-width: 1200px; }
.admin-flash { margin-bottom: 18px; }

@media (max-width: 760px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-sidebar { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; }
  .admin-nav { flex-direction: row; flex-wrap: wrap; flex: 1 0 100%; }
  .admin-main { padding: 20px 16px; }
}

/* ---------- Page header ---------- */
.admin-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.admin-head h1 { font-size: 1.6rem; margin: 0; }
.admin-head .btn { flex-shrink: 0; }

/* ---------- Cards / stats ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 26px; }
.stat-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 18px 20px; }
.stat-card .stat-label { color: var(--color-text-muted); font-size: .82rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.stat-card .stat-value { font-size: 1.9rem; font-weight: 800; color: var(--color-ink); margin-top: 6px; }
.stat-card .stat-sub { color: var(--color-text-muted); font-size: .85rem; margin-top: 2px; }
@media (max-width: 900px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }

.admin-panel { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 20px 22px; margin-bottom: 22px; }
.admin-panel h2 { font-size: 1.15rem; margin: 0 0 14px; }
.admin-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
@media (max-width: 900px) { .admin-cols { grid-template-columns: 1fr; } }

/* ---------- Tables ---------- */
.admin-table { width: 100%; border-collapse: collapse; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; }
.admin-table th, .admin-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--color-border); vertical-align: middle; }
.admin-table thead th { background: #f5f8fa; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--color-text-muted); }
.admin-table tbody tr:last-child td { border-bottom: 0; }
.admin-table tbody tr:hover { background: #fafcfd; }
.admin-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.admin-table .actions { text-align: right; white-space: nowrap; }
.admin-table .thumb { width: 46px; height: 46px; object-fit: contain; background: #fff; border: 1px solid var(--color-border); border-radius: 8px; }
.table-scroll { overflow-x: auto; }

.row-link { font-weight: 700; color: var(--color-ink); text-decoration: none; }
.row-link:hover { color: var(--color-primary); }
.mini-link { color: var(--color-primary); font-weight: 600; text-decoration: none; margin-left: 10px; }
.mini-link.danger { color: var(--color-danger); }

/* ---------- Status badges ---------- */
.status-badge { display: inline-block; padding: 4px 10px; border-radius: 20px; font-size: .78rem; font-weight: 700; }
.status-pending   { background: #fef3c7; color: #92600a; }
.status-confirmed { background: #dbeafe; color: #1e46a8; }
.status-shipped   { background: #e0e7ff; color: #3730a3; }
.status-delivered { background: #d1fae5; color: #065f46; }
.status-cancelled { background: #fee2e2; color: #991b1b; }
.pay-paid { background: #d1fae5; color: #065f46; }
.pay-pending { background: #fef3c7; color: #92600a; }
.pay-failed { background: #fee2e2; color: #991b1b; }

/* ---------- Forms ---------- */
.admin-form { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 24px; max-width: 820px; }
.admin-form .field { margin-bottom: 16px; }
.admin-form label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; }
.admin-form input[type=text], .admin-form input[type=number], .admin-form input[type=email],
.admin-form textarea, .admin-form select {
  width: 100%; font: inherit; padding: 10px 12px; border: 1px solid var(--color-border); border-radius: var(--radius); background: #fff;
}
.admin-form textarea { resize: vertical; }
.admin-form .field-hint { color: var(--color-text-muted); font-size: .82rem; margin-top: 4px; }
.admin-form .field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.admin-form .checks { display: flex; flex-wrap: wrap; gap: 10px 20px; }
.admin-form .check { display: flex; align-items: center; gap: 8px; font-weight: 500; }
.admin-form .check input { width: auto; }
.admin-form .form-actions { display: flex; gap: 10px; align-items: center; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--color-border); }
.admin-form .current-image { max-height: 90px; width: auto; border: 1px solid var(--color-border); border-radius: 8px; background: #fff; padding: 6px; margin-bottom: 8px; }
@media (max-width: 640px) { .admin-form .field-row { grid-template-columns: 1fr; } }

.form-errors { background: #fdeaea; border: 1px solid #f4c4c4; color: #a32020; border-radius: var(--radius); padding: 14px 16px; margin-bottom: 18px; }
.form-errors ul { margin: 8px 0 0; padding-left: 20px; }

.empty-note { color: var(--color-text-muted); padding: 30px; text-align: center; background: var(--color-surface); border: 1px dashed var(--color-border); border-radius: var(--radius-lg); }

/* ---------- Selects (consistent look + custom arrow) ---------- */
.admin-main select {
  appearance: none; -webkit-appearance: none; -moz-appearance: none;
  font: inherit; width: 100%; padding: 10px 38px 10px 12px;
  border: 1px solid var(--color-border); border-radius: var(--radius); background-color: #fff;
  color: var(--color-text); cursor: pointer; line-height: 1.3;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364798a' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
}
.admin-main select:focus { outline: 2px solid rgba(var(--color-primary-rgb), .4); outline-offset: 0; border-color: var(--color-primary); }

/* ---------- Filter tabs ---------- */
.filter-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.filter-tab {
  padding: 8px 15px; border-radius: 20px; background: var(--color-surface); border: 1px solid var(--color-border);
  color: var(--color-ink); font-weight: 600; font-size: .9rem; text-decoration: none;
  transition: background .15s, color .15s, border-color .15s;
}
.filter-tab:hover { background: #eef3f6; text-decoration: none; }
.filter-tab.is-active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

/* ---------- Report filter bar ---------- */
.report-filter { display: flex; align-items: center; justify-content: space-between; gap: 14px 20px; flex-wrap: wrap; margin-bottom: 10px; }
.report-filter .filter-tabs { margin-bottom: 0; }
.date-range { display: flex; align-items: center; gap: 8px; }
.date-range input[type=date] { font: inherit; padding: 8px 10px; border: 1px solid var(--color-border); border-radius: var(--radius); background: #fff; color: var(--color-text); }
.date-range span { color: var(--color-text-muted); }
.report-range { color: var(--color-text-muted); margin: 0 0 20px; font-size: .92rem; }

/* ---------- Order detail ---------- */
.order-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 22px; align-items: start; }
@media (max-width: 860px) { .order-grid { grid-template-columns: 1fr; } }
.status-form { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.status-form .field { margin: 0; flex: 1; min-width: 160px; }

/* ---------- Login ---------- */
.admin-auth { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(135deg, var(--color-dark), #123a4c); padding: 24px; }
.admin-login-card { background: var(--color-surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 34px 32px; width: 100%; max-width: 380px; text-align: center; }
.admin-login-logo { height: 46px; width: auto; margin: 0 auto 14px; }
.admin-login-card h1 { font-size: 1.4rem; margin: 0 0 4px; }
.admin-login-card p { color: var(--color-text-muted); margin: 0 0 20px; }
.admin-login-form { text-align: left; }
.admin-auth .admin-flash { width: 100%; max-width: 380px; }