@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* ── Variables ── */
:root {
  --bg-dark: oklch(0.92 0 151);
  --bg: oklch(0.96 0 151);
  --bg-light: oklch(1 0 151);
  --text: oklch(0.15 0 151);
  --text-muted: oklch(0.4 0 151);
  --highlight: oklch(1 0 151);
  --border: oklch(0.6 0 151);
  --border-muted: oklch(0.7 0 151);
  --primary: oklch(58.143% 0.16791 148.038);
  --secondary: oklch(0.4 0.1 331);
  --danger: oklch(51.948% 0.11011 32.632);
  --warning: oklch(75.684% 0.12439 98.886);
  --success: oklch(0.5 0.05 160);
  --info: oklch(0.5 0.05 260);
  --success-2:    oklch(68.575% 0.15913 155.652);
  --danger-2:     oklch(50.889% 0.1254 30.66);
  --warning-2:    oklch(62.694% 0.11293 99.391);
  --radius:       6px;
  --radius-lg:    10px;
  --nav-h:        80px;
}

/* ── Notifications ─── */
.notification {
  padding: 12px 20px;
  margin: 0 16px 8px;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.9rem;
}

.notification--success {
  background-color: var(--success);
  color: var(--text);
}

.notification--add {
  background-color: var(--success-2);
  color: var(--text);
}

.notification--remove {
  background-color: var(--warning-2);
  color: var(--text);
}

.notification--danger {
  background-color: var(--danger);
  color: var(--text);
}

.notification--warning {
  background-color: var(--warning);
  color: var(--text);
}

/* ── Reset ──── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ── Base ── */
html {
  font-size: 14px;
  font-family: Poppins, 'Segoe UI', Tahoma, sans-serif;
}

body {
  background-color: var(--bg-dark);
  color: var(--text);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ── Buttons ── */
button, .btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  outline: none;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  padding: 8px 14px;
  font-family: inherit;
  font-size: inherit;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  transition: opacity 0.15s, transform 0.1s;
}

button:active, .btn:active { transform: scale(0.97); }

.btn-primary {
  background-color: var(--primary);
  color: var(--bg-dark);
  font-weight: 600;
}
.btn-primary:hover { opacity: 0.88; }

.btn-outline {
  background-color: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-muted);
}
.btn-outline:hover {
  background-color: var(--bg-light);
  color: var(--text);
  opacity: 1;
}

.btn-icon {
  background-color: var(--secondary);
  color: var(--bg-dark);
  padding: 7px 10px;
}
.btn-icon:hover { opacity: 0.85; }

/* ── Inputs & Selects ─── */
input[type="text"],
input[type="password"],
input[type="email"],
select,
textarea {
  background-color: var(--bg-light);
  color: var(--text);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius);
  padding: 7px 10px;
  font-family: inherit;
  font-size: inherit;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
}

input::placeholder { color: var(--highlight); }

/* Checkbox */
input[type="checkbox"] {
  width: 15px;
  height: 15px;
  cursor: pointer;
  accent-color: var(--primary);
  flex-shrink: 0;
}

/* ── Nav ─── */
nav {
  height: var(--nav-h);
  background-color: var(--bg);
  border-bottom: 1px solid var(--border-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.home-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: var(--text);
}
.home-link:hover { opacity: 0.8; }
#box { color: var(--primary); }

/* ── Login page ─── */
.login-wrapper {
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}

.login-card {
  background-color: var(--bg);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  width: 100%;
  max-width: 380px;
}

.login-card .login-icon {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 16px;
}

.login-card h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.login-card .login-subtitle {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 28px;
}

.login-card .form-group {
  margin-bottom: 16px;
}

.login-card label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 500;
}

/* errorlist from Django */
.login-card .errorlist {
  list-style: none;
  color: var(--danger);
  font-size: 0.8rem;
  margin-top: 4px;
}

.login-btn {
  width: 100%;
  padding: 10px;
  background-color: var(--primary);
  color: var(--bg-dark);
  font-weight: 700;
  font-size: 1rem;
  justify-content: center;
  margin-top: 6px;
}

/* ── Logout page ──── */
.logout-wrapper {
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}

.logout-card {
  background-color: var(--bg);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  width: 100%;
  max-width: 360px;
  text-align: center;
}

.logout-card i {
  font-size: 2rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: block;
}

.logout-card h2 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.logout-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

/* ── Index page ─── */
.page-content {
  padding: 20px;
  max-width: 1600px;
}

/* Top bar */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  gap: 12px;
  flex-wrap: wrap;
}

.filter-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.25rem;
}
.filter-title i { color: var(--primary); }

/* Filter form */
.filter-form {
  background-color: var(--bg);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.filter-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  flex: 1;
}

.filter-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 130px;
  flex: 1;
}

.filter-field label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
}

.filter-actions {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  flex-shrink: 0;
}

/* Table */
.table-wrapper {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-muted);
  overflow-x: auto;
  /* max-height keeps the header sticky while the body scrolls */
  max-height: calc(100vh - var(--nav-h) - 220px);
  overflow-y: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  min-width: 920px;
}

thead th {
  position: sticky;
  top: 0;
  background-color: var(--bg);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 14px 8px;
  text-align: center;
  white-space: nowrap;
  border-bottom: 1px solid var(--border-muted);
  /* Prevent double border under sticky header */
  box-shadow: 0 1px 0 var(--border-muted);
}

tbody tr:hover td {
  background-color: var(--bg);
}

td {
  color: var(--text-muted);
  font-size: 1rem;
  background-color: var(--bg-light);
  padding: 16px 8px;
  text-align: center;
  overflow-wrap: break-word;
  border-bottom: 1px solid var(--border-muted);
  vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }

/* Column widths */
table th:nth-child(1),  table td:nth-child(1)  { width: 16px;  } /* checkbox */
table th:nth-child(2),  table td:nth-child(2)  { width: 30px;  } /* id */
table th:nth-child(3),  table td:nth-child(3)  { width: 150px;  } /* image */
table th:nth-child(4),  table td:nth-child(4)  { width: 90px; } /* product type */
table th:nth-child(5),  table td:nth-child(5)  { width: 60px;  } /* brand */
table th:nth-child(6),  table td:nth-child(6)  { width: 100px; } /* part */
table th:nth-child(7),  table td:nth-child(7)  { width: 140px;  } /* new */
table th:nth-child(8),  table td:nth-child(8)  { width: 140px;  } /* used */
table th:nth-child(9),  table td:nth-child(9)  { width: 50px;  } /* size */
table th:nth-child(10), table td:nth-child(10) { width: 70px; } /* model */
table th:nth-child(11), table td:nth-child(11) { width: 90px; } /* stock status */
table th:nth-child(12), table td:nth-child(12) { width: 52px;  } /* edit */

/* Stock counts — subtle color hints */
td.stock-new  { color: var(--success); }
td.stock-used { color: var(--warning); }

/* Stock Status badges */
.stock-status {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.stock-status-messages {
  margin-bottom: 32px;
}

.stock-status--in-stock {
  background-color: var(--success-2);
  color: oklch(0.9 0.05 160);
}

.stock-status--low {
  background-color: var(--warning-2);
  color: oklch(0.9 0.05 100);
}

.stock-status--out {
  background-color: var(--danger-2);
  color: oklch(0.9 0.05 30);
}

/* Notes truncation */
td.notes-cell {
  text-align: left;
  max-width: 0;          
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

td img.thumb {
  height: 120px;
  width:  120px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--highlight);
  display: block;
  margin: 0 auto;
  cursor: zoom-in;
  transition: opacity 0.15s, transform 0.15s;
}
td img.thumb:hover {
  opacity: 0.85;
  transform: scale(1.04);
}

.no-img {
  color: var(--highlight);
  font-size: 1.1rem;
}

/* ── Lightbox overlay ─── */
.lightbox {
  display: none;     
  position: fixed;
  inset: 0;
  z-index: 999;
  align-items: center;
  justify-content: center;
}

.lightbox--open {
  display: flex;
}

/* Semi-transparent backdrop */
.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

/* Image + caption sit above the backdrop */
.lightbox-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 20px;
  max-width: min(92vw, 900px);
  max-height: 92vh;
}

#lightbox-img {
  max-width:  100%;
  max-height: calc(92vh - 60px);   /* leave room for caption */
  object-fit: contain;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: 0 8px 40px rgba(0,0,0,0.6);
}

.lightbox-caption {
  color: var(--text-muted);
  font-size: 0.82rem;
  text-align: center;
  max-width: 80%;
}

/* Close button — top-right corner, above everything */
.lightbox-close {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 2;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-light);
  border: 1px solid var(--border-muted);
  color: var(--text);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  padding: 0;
}
.lightbox-close:hover {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}
.lightbox-close:active { transform: scale(0.92); }

input[type="number"] {
  background-color: var(--bg-light);
  color: var(--text);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius);
  padding: 7px 10px;
  font-family: inherit;
  font-size: inherit;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}
input[type="number"]:focus { border-color: var(--primary); }

/* Textarea also needs width if not already covered */
textarea {
  resize: vertical;
  min-height: 80px;
}

/* ── Accessibility utility ────── */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ── Form page header ── */
.form-page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  gap: 12px;
  flex-wrap: wrap;
}

/* ── Global (non-field) error box ─*/
.global-errors {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background-color: oklch(0.2 0.05 30);
  border: 1px solid var(--danger);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 20px;
  color: oklch(0.92 0.05 30);
  font-size: 0.85rem;
}
.global-errors i { color: var(--danger); flex-shrink: 0; margin-top: 2px; }
.global-errors p { margin: 0 0 4px; }
.global-errors p:last-child { margin-bottom: 0; }

/* ── Part form layout ───── */
.part-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.part-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}

.form-section {
  background-color: var(--bg);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.section-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--primary);
  margin: 0;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-muted);
}

/* ── Form groups ───── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
}

.form-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
}

.req   { color: var(--secondary); font-weight: 700; }
.opt   { color: var(--highlight); font-weight: 400; font-size: 0.78rem; }

/* ── Sub-grids within a section ──── */
.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

/* ── Smart dropdown: "Add new…" reveal input ──── */
.new-value-input {
  margin-top: 6px;
  border-color: var(--primary) !important;
  background-color: var(--highlight);
}

/* ── Model Number Tags ── */
.model-number-input-row {
  display: flex;
  gap: 8px;
}
.model-number-input-row input {
  flex: 1;
}
.model-number-input-row .btn {
  flex-shrink: 0;
  padding: 7px 14px;
}

.model-number-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.model-number-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--bg-light);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius);
  padding: 4px 8px;
  font-size: 0.85rem;
  color: var(--text);
}

.model-number-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--danger);
  font-size: 1rem;
  cursor: pointer;
  line-height: 1;
  transition: background 0.12s, color 0.12s;
}
.model-number-remove:hover {
  background: var(--danger);
  color: #fff;
}

/* ── Field-level error ──*/
.field-error {
  color: var(--danger);
  font-size: 0.78rem;
}

/* ── Hint text ── */
.field-hint {
  color: var(--highlight);
  font-size: 0.78rem;
  margin-top: -8px;  /* pulls it closer to the row above */
}

/* ── Image upload area ── */
.image-upload-area {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--border-muted);
  border-radius: var(--radius-lg);
  padding: 24px;
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s;
  min-height: 130px;
  overflow: hidden;
}
.image-upload-area:hover {
  border-color: var(--primary);
  background-color: oklch(0.17 0.02 174);
}

.upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--highlight);
  text-align: center;
  pointer-events: none;   /* clicks fall through to the label */
}
.upload-placeholder i   { font-size: 2rem; }
.upload-placeholder p   { font-size: 0.85rem; margin: 0; }
.upload-placeholder small { font-size: 0.75rem; }

#image-preview {
  max-width: 100%;
  max-height: 200px;
  border-radius: var(--radius);
  object-fit: cover;
}

/* ── Form actions bar ── */
.form-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
  padding-top: 4px;
}

/* ── Disabled select state ── */
select:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* ── Stock adjuster (+/−) ─── */
.stock-adjuster {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.adj-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1;
  border-radius: 6px;
  background-color: var(--bg-light);
  color: var(--text-muted);
  border: 1px solid var(--border-muted);
  cursor: pointer;
  transition: background-color 0.12s, color 0.12s, opacity 0.12s;
  flex-shrink: 0;
}

.adj-btn:hover:not(:disabled):not(.adj-btn--disabled) {
  background-color: var(--primary);
  color: var(--bg-dark);
  border-color: var(--primary);
}

.adj-btn:disabled,
.adj-btn--disabled {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}

.stock-val {
  min-width: 32px;
  text-align: center;
  font-weight: 600;
  font-size: 1rem;
  padding: 0 4px;
}

/* Keep the colour hints on the parent td */
td.stock-new .stock-val  { color: var(--success); }
td.stock-used .stock-val { color: var(--warning); }

/* ── Scrollbar ── */
::-webkit-scrollbar       { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--highlight); }

/* ── Mobile ──*/
@media (max-width: 640px) {
  .page-content  { padding: 12px; }

  .top-bar { flex-direction: column; align-items: flex-start; }
  .top-bar .btn { width: 100%; justify-content: center; }

  .filter-form { padding: 12px; }
  .filter-field { min-width: 100%; flex: 1 1 100%; }
  .filter-actions { width: 100%; flex-direction: column; }
  .filter-actions button { width: 100%; justify-content: center; }

  nav { padding: 0 12px; }

  .home-link .nav-title { display: none; }

  .table-wrapper {
    max-height: calc(100vh - var(--nav-h) - 300px);
  }

  .login-card, .logout-card { padding: 28px 20px; }
}

@media (max-width: 400px) {
  html { font-size: 12px; }
}

/* ── Mobile ──────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .part-form-grid {
    grid-template-columns: 1fr;   /* stack sections on tablet/mobile */
  }
}

@media (max-width: 480px) {
  .form-row-2,
  .form-row-3 {
    grid-template-columns: 1fr;   /* stack sub-grids on phone */
  }

  .form-actions {
    flex-direction: column-reverse;
  }
  .form-actions a,
  .form-actions button {
    width: 100%;
    justify-content: center;
  }
}