/* Admin panel — desktop-style UI, used remotely by Utsav, occasionally parents.
   Shares the cashier's modern palette (slate / blue / emerald). */

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink: #0f172a;          /* slate-900 */
  --muted: #64748b;        /* slate-500 */
  --accent: #2563eb;       /* blue-600 (legacy links) */
  --brand: #16a34a;        /* green-600 — primary action colour (redesign) */
  --brand-dark: #15803d;   /* green-700 */
  --brand-soft: #f0fdf4;   /* green-50 */
  --green: #059669;
  --red: #dc2626;
  --border: #e5e7eb;
  --radius: 12px;
  --shadow-sm: 0 1px 2px rgba(15,23,42,.06), 0 1px 3px rgba(15,23,42,.08);
  --shadow-md: 0 4px 14px rgba(15,23,42,.08), 0 2px 6px rgba(15,23,42,.05);
  --shadow-lg: 0 18px 45px rgba(15,23,42,.28);
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: #f4f6f8;
  color: var(--ink);
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

/* ---- Shell: dark sidebar + scrolling content (redesign) ---- */

.admin-shell { display: flex; min-height: 100vh; min-height: 100dvh; }

.admin-sidebar {
  width: 236px;
  flex-shrink: 0;
  background: #0f172a;
  display: flex;
  flex-direction: column;
  padding: 16px 12px;
  gap: 2px;
  position: sticky;
  top: 0;
  align-self: flex-start;
  height: 100vh;
  height: 100dvh;
  overflow-y: auto;
}
.admin-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
  padding: 6px 8px 16px;
  white-space: nowrap;
}
.brand-logo {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  border-radius: 7px;
  background: var(--brand);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
}
.side-section {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #64748b;
  padding: 14px 10px 6px;
}
.side-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 7px;
  color: #cbd5e1;
  font-weight: 500;
  font-size: 0.9rem;
  text-decoration: none;
  transition: background .12s, color .12s;
}
.side-link:hover { background: #1e293b; color: #fff; }
.side-link.active { background: var(--brand); color: #fff; font-weight: 700; }
.side-back { color: #94a3b8; font-weight: 600; margin-bottom: 10px; }

.admin-main { flex: 1; min-width: 0; max-width: 1040px; padding: 28px 32px; }

h1 { font-size: 1.5rem; margin-bottom: 16px; letter-spacing: -0.02em; }
h2 { font-size: 1.05rem; margin-bottom: 10px; }

.page-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.page-head h1 { margin-bottom: 0; }

.flash {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
}
.error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-bottom: 14px;
}
.hint { color: var(--muted); margin-bottom: 16px; line-height: 1.55; }
.hint code { background: #e2e8f0; padding: 2px 6px; border-radius: 5px; font-size: 0.9em; }

/* Buttons and inputs */
button, .button {
  display: inline-block;
  background: var(--brand);
  color: #fff;
  border: none;
  border-radius: 9px;
  padding: 9px 16px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: background .15s, transform .05s;
}
button:hover, .button:hover { background: var(--brand-dark); }
button:active, .button:active { transform: translateY(1px); }
button.small, .button.small { padding: 5px 11px; font-size: 0.85rem; }
button.danger { background: var(--red); }
button.danger:hover { background: #b91c1c; }
.button.secondary { background: #64748b; }
.button.secondary:hover { background: #475569; }

input, select {
  padding: 9px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 9px;
  font-size: 0.95rem;
  background: #fff;
  color: var(--ink);
}
input:focus, select:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(22,163,74,.16);
}

/* Category / status chips (redesign) */
.chip {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 5px;
  font-size: 0.8rem;
  font-weight: 700;
  background: #f1f5f9;
  color: #475569;
  text-transform: capitalize;
}
.chip-grocery, .chip-weighed, .chip-active-state { background: #dcfce7; color: #15803d; }
.chip-lpg { background: #fde8d0; color: #c2410c; }
.chip-stationery { background: #dbeafe; color: #1d4ed8; }
.chip-cosmetics { background: #ede9fe; color: #6d28d9; }
.chip-inactive-state { background: #f1f5f9; color: #475569; }
.thumb-cell { width: 44px; }
.table-thumb {
  width: 36px; height: 36px; display: block;
  object-fit: cover; border-radius: 7px; background: #f1f5f9;
}
.table-thumb.letter {
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; color: #94a3b8; font-size: 0.9rem;
}

.filter-bar { display: flex; gap: 8px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.filter-bar input[type="search"] { flex: 1; max-width: 320px; }

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 22px;
  box-shadow: var(--shadow-md);
}
th, td { padding: 11px 12px; text-align: left; border-bottom: 1px solid #f1f5f9; }
th {
  background: #f8fafc;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}
tbody tr { transition: background .1s; }
tbody tr:hover { background: #f8fafc; }
tbody tr:last-child td { border-bottom: none; }
td.num, th.num { text-align: right; }
tr.inactive td { color: #94a3b8; }
td.empty { text-align: center; color: var(--muted); padding: 24px; }
td.actions { white-space: nowrap; }
td.actions form { display: inline-block; margin-left: 6px; }
/* Row actions as quiet text buttons (redesign) — colour carries the meaning. */
td.actions .button.small, td.actions button.small {
  background: transparent;
  color: var(--brand);
  box-shadow: none;
  padding: 4px 8px;
  font-weight: 700;
}
td.actions button.small.danger { color: var(--red); }
td.actions .button.small:hover, td.actions button.small:hover {
  background: transparent;
  text-decoration: underline;
}

/* Product form */
.product-form { max-width: 440px; display: flex; flex-direction: column; gap: 14px; background: #fff; padding: 22px; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-md); }
.product-form label { display: flex; flex-direction: column; gap: 5px; font-weight: 600; }
.product-form label.checkbox { flex-direction: row; align-items: center; gap: 8px; }
.product-form input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--accent); }
.image-field { display: flex; flex-direction: column; gap: 8px; font-weight: 600; }
.image-field .hint { font-weight: 400; font-size: 0.85rem; color: var(--muted); }
.current-image { display: flex; align-items: center; gap: 12px; }
.current-image img { width: 90px; height: 90px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); }
.form-actions { display: flex; gap: 10px; margin-top: 6px; }

/* Reports */
.reports { display: flex; flex-direction: column; gap: 10px; }

/* Import */
.import-form { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

/* Login / setup */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: linear-gradient(135deg, #14532d 0%, #0f172a 100%);
}
.login-box {
  background: #fff;
  padding: 34px;
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 340px;
  max-width: 100%;
  box-shadow: var(--shadow-lg);
}
.login-box h1 { font-size: 1.35rem; text-align: center; margin-bottom: 6px; }
.login-box h1::before { content: "🛒 "; }
.login-box label { font-weight: 600; }
.back-link { display: block; text-align: center; margin-top: 4px; color: var(--accent); text-decoration: none; font-weight: 600; }
.back-link:hover { text-decoration: underline; }

/* ---- Narrow screens: sidebar collapses to a horizontal scroll bar ---- */

@media (max-width: 860px) {
  .admin-shell { flex-direction: column; }
  .admin-sidebar {
    width: 100%;
    height: auto;
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 4px;
    padding: 10px 12px;
    overflow-x: auto;
    overflow-y: hidden;
  }
  .admin-brand { padding: 0 8px 0 0; }
  .admin-brand .brand-name { display: none; } /* logo only, save width */
  .side-section { display: none; }
  .side-link { white-space: nowrap; flex-shrink: 0; }
  .side-back { margin-bottom: 0; }
  .admin-main { padding: 18px 14px; }
  table { display: block; overflow-x: auto; }
}