/* ============================================================
   ViWell Supplier Portal — Main Stylesheet
   Colors: #5C3420 (primary), #3D6B3A (accent), #F5F0E8 (bg)
   ============================================================ */

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

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

:root {
  --primary:    #5C3420;
  --primary-dk: #3e2215;
  --primary-lt: #7a4a32;
  --accent:     #3D6B3A;
  --accent-dk:  #2b4e29;
  --bg:         #F5F0E8;
  --bg-card:    #ffffff;
  --text:       #2a1a10;
  --text-muted: #8a7060;
  --border:     #e0d5c5;
  --success:    #2e7d32;
  --error:      #c62828;
  --radius:     10px;
  --shadow:     0 2px 16px rgba(92,52,32,.10);
  --shadow-lg:  0 8px 40px rgba(92,52,32,.16);
}

html { font-size: 16px; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

/* ── TYPOGRAPHY ── */
h1 { font-size: 2rem;   font-weight: 700; letter-spacing: -.5px; }
h2 { font-size: 1.4rem; font-weight: 600; }
h3 { font-size: 1.1rem; font-weight: 600; }

/* ── LANG SWITCHER ── */
.lang-switch {
  display: flex;
  gap: 4px;
  align-items: center;
}
.lang-switch button {
  background: none;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  padding: 3px 10px;
  font-size: .78rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-muted);
  transition: all .18s;
}
.lang-switch button.active,
.lang-switch button:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(92,52,32,.06);
}

/* ======================================================
   LOGIN PAGE
   ====================================================== */
.login-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.login-lang {
  position: fixed;
  top: 20px;
  right: 24px;
}

.login-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 48px 44px 40px;
  width: 100%;
  max-width: 420px;
}

.login-logo {
  text-align: center;
  margin-bottom: 6px;
}
.login-logo .logo-text {
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -1px;
}
.login-logo .logo-dot {
  color: var(--accent);
}
.login-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: .85rem;
  margin-bottom: 32px;
}

/* Form */
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: .82rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 6px;
  letter-spacing: .3px;
}
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="text"],
.form-group input[type="number"] {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: .95rem;
  color: var(--text);
  background: var(--bg);
  transition: border-color .18s, box-shadow .18s;
  outline: none;
}
.form-group input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(92,52,32,.10);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 11px 22px;
  border: none;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: .92rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .18s, transform .1s, box-shadow .18s;
  text-decoration: none;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(92,52,32,.25);
}
.btn-primary:hover {
  background: var(--primary-dk);
  box-shadow: 0 4px 14px rgba(92,52,32,.35);
}
.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(61,107,58,.22);
}
.btn-accent:hover {
  background: var(--accent-dk);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-outline:hover {
  background: rgba(92,52,32,.06);
}
.btn-sm {
  padding: 6px 14px;
  font-size: .82rem;
  border-radius: 7px;
}
.btn-full { width: 100%; }

/* Alert */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  font-size: .88rem;
  font-weight: 500;
}
.alert-error {
  background: #fdecea;
  color: var(--error);
  border-left: 4px solid var(--error);
}
.alert-success {
  background: #e8f5e9;
  color: var(--success);
  border-left: 4px solid var(--success);
}

/* ======================================================
   DASHBOARD LAYOUT
   ====================================================== */

/* Header */
.site-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 8px rgba(92,52,32,.07);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 62px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.header-logo {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -.5px;
  flex-shrink: 0;
}
.header-logo span { color: var(--accent); }

.header-supplier {
  flex: 1;
  text-align: center;
}
.header-supplier .supplier-name {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
}
.header-supplier .supplier-ref {
  display: inline-block;
  margin-left: 8px;
  background: var(--primary);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 20px;
  letter-spacing: .5px;
  vertical-align: middle;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Main content */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 60px;
}

/* ── NAV TABS ── */
.nav-tabs {
  display: flex;
  gap: 24px;
  border-bottom: 1px solid #E0D5C5;
  margin-bottom: 24px;
}
.nav-tab {
  padding: 10px 4px;
  cursor: pointer;
  color: #888;
  border-bottom: 2px solid transparent;
  text-decoration: none;
  font-weight: 500;
  font-size: .88rem;
  letter-spacing: .5px;
  transition: color .18s, border-color .18s;
}
.nav-tab:hover {
  color: var(--primary);
}
.nav-tab.active {
  color: #5C3420;
  border-bottom-color: #5C3420;
  font-weight: 600;
}

/* Action bar */
.action-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.action-bar .bar-left { display: flex; gap: 10px; flex-wrap: wrap; }
.action-bar .bar-right { margin-left: auto; }

/* Import result banner */
#import-result {
  display: none;
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: .88rem;
  font-weight: 500;
  margin-bottom: 18px;
}
#import-result.show { display: block; }
#import-result.ok {
  background: #e8f5e9;
  color: var(--success);
  border-left: 4px solid var(--success);
}
#import-result.err {
  background: #fdecea;
  color: var(--error);
  border-left: 4px solid var(--error);
}

/* Table card */
.table-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .91rem;
}
thead {
  background: var(--primary);
  color: #fff;
}
thead th {
  padding: 13px 16px;
  text-align: left;
  font-weight: 600;
  font-size: .82rem;
  letter-spacing: .4px;
  white-space: nowrap;
}
tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background .12s;
}
tbody tr:last-child { border-bottom: none; }
tbody tr:nth-child(even) { background: rgba(245,240,232,.6); }
tbody tr:hover { background: rgba(92,52,32,.05); }
tbody td {
  padding: 11px 16px;
  vertical-align: middle;
}
td.sku {
  font-family: 'Courier New', monospace;
  font-size: .85rem;
  color: var(--text-muted);
  font-weight: 500;
}
td.qty {
  font-weight: 600;
  color: var(--primary);
  font-size: .95rem;
}

/* Price columns */
td.price-sale {
  font-weight: 600;
  color: #5C3420;
  font-size: .95rem;
  white-space: nowrap;
}
td.price-cost {
  color: #888;
  font-size: .82rem;
  white-space: nowrap;
}

/* Product thumbnail */
.product-thumb {
  width: 60px;
  height: 60px;
  border-radius: 8px;
  object-fit: cover;
  display: block;
}
.thumb-placeholder {
  width: 60px;
  height: 60px;
  border-radius: 8px;
  background: #E0D5C5;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #888;
  font-size: 20px;
}

/* Inline update cell */
.update-cell {
  display: flex;
  align-items: center;
  gap: 7px;
}
.qty-input {
  width: 80px;
  padding: 6px 10px;
  border: 1.5px solid var(--border);
  border-radius: 7px;
  font-family: inherit;
  font-size: .88rem;
  text-align: center;
  outline: none;
  transition: border-color .18s;
}
.qty-input:focus { border-color: var(--primary); }

/* Status icon inline */
.status-icon {
  display: none;
  font-size: 1.1rem;
  margin-left: 4px;
}
.status-icon.ok  { color: var(--success); display: inline; }
.status-icon.err { color: var(--error);   display: inline; }

/* Footer counter */
.table-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  font-size: .85rem;
  color: var(--text-muted);
  display: flex;
  justify-content: flex-end;
}
.table-footer strong { color: var(--text); }

/* Loading spinner on save button */
.btn.loading { opacity: .65; pointer-events: none; }

/* ======================================================
   MOBILE  (< 768px)
   ====================================================== */
@media (max-width: 767px) {
  .login-card { padding: 36px 24px 32px; }
  .login-logo .logo-text { font-size: 2rem; }

  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 12px 16px;
    gap: 10px;
  }
  .header-supplier {
    order: 3;
    flex-basis: 100%;
    text-align: left;
  }
  .header-actions { gap: 8px; }

  .main-content { padding: 20px 16px 48px; }

  .action-bar { flex-direction: column; align-items: stretch; }
  .action-bar .bar-left,
  .action-bar .bar-right { width: 100%; }
  .action-bar .bar-right { margin-left: 0; }

  thead th:nth-child(2) { min-width: 140px; }
  .qty-input { width: 66px; }

  .table-footer { justify-content: center; }
}

/* ======================================================
   SKU SEARCH BOX
   ====================================================== */
.search-box-wrap {
  position: relative;
  width: 300px;
  margin-bottom: 16px;
}
.sku-search-input {
  width: 100%;
  padding: 10px 36px 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: .92rem;
  color: var(--text);
  background: var(--bg);
  transition: border-color .18s, box-shadow .18s;
  outline: none;
}
.sku-search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(92,52,32,.10);
}
.search-clear {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 1.25rem;
  line-height: 1;
  padding: 2px 4px;
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: color .15s;
}
.search-clear:hover { color: var(--primary); }

@media (max-width: 767px) {
  .search-box-wrap { width: 100%; }
}