/* ============================================
   CVD DIAMONDS — Global Styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&family=DM+Mono:wght@400;500&display=swap');

:root {
  /* Brand Colors */
  --navy:        #0d1f3c;
  --navy-mid:    #1a3460;
  --navy-light:  #1e50a0;
  --navy-pale:   #dde8f8;
  --gold:        #c9a84c;
  --gold-light:  #f0d98a;
  --gold-dark:   #9a7228;
  --gold-pale:   #faf3dc;
  --ice:         #e8f4fd;
  --ice-deep:    #b8d8f0;

  /* Neutrals */
  --white:       #ffffff;
  --off-white:   #f8f7f5;
  --gray-50:     #f4f4f2;
  --gray-100:    #ebebea;
  --gray-200:    #d8d8d6;
  --gray-300:    #c0c0be;
  --gray-400:    #9a9a97;
  --gray-500:    #737370;
  --gray-600:    #555553;
  --gray-700:    #3a3a38;
  --gray-900:    #1a1a18;

  /* Semantic */
  --success:     #1e6e35;
  --success-bg:  #e4f5e9;
  --warning:     #7a5c00;
  --warning-bg:  #fff8e1;
  --info:        #0d1f3c;
  --info-bg:     #dde8f8;
  --danger:      #b01c1c;
  --danger-bg:   #fde8e8;

  /* Memo status */
  --memo-m-bg:   #ffd54f;
  --memo-m-text: #6a4f00;
  --memo-a-bg:   #a5d6a7;
  --memo-a-text: #1b5e20;
  --memo-a1-bg:  #80cbc4;
  --memo-a1-text:#004d40;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'DM Mono', 'Courier New', monospace;

  /* Spacing */
  --gap-xs:  4px;
  --gap-sm:  8px;
  --gap-md:  12px;
  --gap-lg:  16px;
  --gap-xl:  24px;
  --gap-2xl: 32px;
  --gap-3xl: 48px;

  /* Radius */
  --radius-xs:   3px;
  --radius-sm:   5px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   18px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(13,31,60,0.06);
  --shadow-sm: 0 2px 6px rgba(13,31,60,0.09);
  --shadow-md: 0 4px 16px rgba(13,31,60,0.12);
  --shadow-lg: 0 8px 32px rgba(13,31,60,0.18);
  --shadow-xl: 0 16px 48px rgba(13,31,60,0.22);

  /* Borders */
  --border:    0.5px solid var(--gray-200);
  --border-md: 1px solid var(--gray-200);
  --border-lg: 1.5px solid var(--gray-200);

  /* Transitions */
  --transition:    150ms cubic-bezier(0.4,0,0.2,1);
  --transition-md: 250ms cubic-bezier(0.4,0,0.2,1);
  --transition-lg: 400ms cubic-bezier(0.4,0,0.2,1);

  /* Layout heights */
  --topbar-h:  36px;
  --header-h:  68px;
  --nav-h:     44px;
  --infobar-h: 36px;
  --total-header: calc(var(--topbar-h) + var(--header-h) + var(--nav-h) + var(--infobar-h));
}

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

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--off-white);
  color: var(--gray-900);
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
button { font-family: var(--font-body); cursor: pointer; border: none; }
input, select, textarea { font-family: var(--font-body); }
img { max-width: 100%; height: auto; }

/* ============================================
   Scrollbar
   ============================================ */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--gray-50); }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }

/* ============================================
   Utility
   ============================================ */
.sr-only { position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0; }
.text-muted    { color: var(--gray-500); }
.text-small    { font-size: 11px; }
.text-xs       { font-size: 10px; }
.text-mono     { font-family: var(--font-mono); }
.text-display  { font-family: var(--font-display); }
.text-navy     { color: var(--navy); }
.text-gold     { color: var(--gold); }
.text-success  { color: var(--success); }
.font-500      { font-weight: 500; }
.font-600      { font-weight: 600; }
.flex          { display: flex; }
.flex-center   { display: flex; align-items: center; }
.flex-between  { display: flex; align-items: center; justify-content: space-between; }
.flex-col      { display: flex; flex-direction: column; }
.gap-xs        { gap: var(--gap-xs); }
.gap-sm        { gap: var(--gap-sm); }
.gap-md        { gap: var(--gap-md); }
.gap-lg        { gap: var(--gap-lg); }
.gap-xl        { gap: var(--gap-xl); }
.w-full        { width: 100%; }
.truncate      { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

/* ============================================
   Badges
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 7px;
  border-radius: var(--radius-xs);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  white-space: nowrap;
}
.badge-cvd      { background: var(--success-bg);  color: var(--success); }
.badge-hpht     { background: var(--info-bg);     color: var(--navy-mid); }
.badge-ex, .badge-id { background: var(--navy-pale); color: var(--navy); }
.badge-igi      { background: #e8eaf6; color: #283593; }
.badge-gia      { background: #fce4ec; color: #880e4f; }
.badge-gcal     { background: #f3e5f5; color: #6a1b9a; }
.badge-xall     { background: #fff3e0; color: #e65100; }
.badge-other    { background: var(--gray-100); color: var(--gray-700); }
.badge-memo-m   { background: var(--memo-m-bg);  color: var(--memo-m-text); border: 1px solid #f0c030; }
.badge-memo-a   { background: var(--memo-a-bg);  color: var(--memo-a-text); border: 1px solid #81c784; }
.badge-memo-a1  { background: var(--memo-a1-bg); color: var(--memo-a1-text); border: 1px solid #4db6ac; }
.badge-memo-m1  { background: #ffe082; color: #5c4000; border: 1px solid #ffd54f; }
.badge-new      { background: var(--gold-pale); color: var(--gold-dark); border: 1px solid #e8cc6e; }
.badge-sale     { background: #fde8e8; color: var(--danger); }

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  border: var(--border-md);
  background: var(--white);
  color: var(--gray-900);
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
  user-select: none;
}
.btn:hover  { background: var(--gray-50); box-shadow: var(--shadow-xs); }
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-primary:hover { background: var(--navy-mid); border-color: var(--navy-mid); box-shadow: var(--shadow-sm); }

.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--white);
  border-color: var(--gold-dark);
}
.btn-gold:hover { background: linear-gradient(135deg, var(--gold-light), var(--gold)); }

.btn-outline-navy {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline-navy:hover { background: var(--navy-pale); }

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--gray-600);
}
.btn-ghost:hover { background: var(--gray-100); color: var(--gray-900); }

.btn-danger { background: var(--danger-bg); color: var(--danger); border-color: #e9a0a0; }
.btn-danger:hover { background: #fbd0d0; }

.btn-success { background: var(--success-bg); color: var(--success); border-color: #90cfa0; }

.btn-lg { padding: 10px 20px; font-size: 14px; border-radius: var(--radius-lg); }
.btn-sm { padding: 5px 11px; font-size: 12px; }
.btn-xs { padding: 3px 8px; font-size: 11px; border-radius: var(--radius-sm); }

.btn-icon {
  padding: 7px;
  border-radius: var(--radius-md);
  border: var(--border-md);
  background: var(--white);
  color: var(--gray-500);
  transition: all var(--transition);
}
.btn-icon:hover { background: var(--gray-50); color: var(--navy); border-color: var(--gray-300); }
.btn-icon.active { background: var(--navy-pale); color: var(--navy); border-color: var(--navy-pale); }

.btn-icon-sm { padding: 5px; }

/* ============================================
   Form Elements
   ============================================ */
.input {
  padding: 7px 11px;
  border: var(--border-md);
  border-radius: var(--radius-md);
  font-size: 13px;
  background: var(--white);
  color: var(--gray-900);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.input:focus {
  border-color: var(--navy-light);
  box-shadow: 0 0 0 3px rgba(13,31,60,0.08);
}
.input::placeholder { color: var(--gray-400); }

.select {
  padding: 7px 28px 7px 11px;
  border: var(--border-md);
  border-radius: var(--radius-md);
  font-size: 13px;
  background: var(--white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%239a9a97'/%3E%3C/svg%3E") no-repeat right 10px center;
  -webkit-appearance: none;
  appearance: none;
  color: var(--gray-900);
  cursor: pointer;
  outline: none;
}
.select:focus {
  border-color: var(--navy-light);
  box-shadow: 0 0 0 3px rgba(13,31,60,0.08);
}

/* Chip / Toggle */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--gray-200);
  font-size: 12px;
  font-weight: 400;
  cursor: pointer;
  background: var(--white);
  color: var(--gray-700);
  transition: all var(--transition);
  user-select: none;
  white-space: nowrap;
}
.chip:hover { border-color: var(--navy-light); color: var(--navy); background: var(--navy-pale); }
.chip.active {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
  box-shadow: 0 1px 4px rgba(13,31,60,0.2);
}

/* Range Slider */
.range-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 3px;
  border-radius: 2px;
  background: var(--gray-200);
  outline: none;
  cursor: pointer;
}
.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 15px; height: 15px;
  border-radius: 50%;
  background: var(--navy);
  cursor: pointer;
  border: 2px solid var(--white);
  box-shadow: 0 0 0 1.5px var(--navy);
  transition: transform var(--transition);
}
.range-slider::-webkit-slider-thumb:hover { transform: scale(1.2); }
.range-slider::-moz-range-thumb {
  width: 15px; height: 15px;
  border-radius: 50%;
  background: var(--navy);
  cursor: pointer;
  border: 2px solid var(--white);
}

/* Checkbox */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  cursor: pointer;
  color: var(--gray-600);
  transition: color var(--transition);
}
.checkbox-label:hover { color: var(--gray-900); }
.checkbox-label input[type="checkbox"] {
  width: 14px; height: 14px;
  cursor: pointer;
  accent-color: var(--navy);
}

/* ============================================
   Cards
   ============================================ */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: var(--border);
  padding: var(--gap-lg);
}
.card-elevated {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--gap-lg);
}
.card-hover {
  transition: box-shadow var(--transition-md), transform var(--transition-md);
}
.card-hover:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* ============================================
   Table
   ============================================ */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.data-table thead th {
  background: var(--navy);
  color: rgba(255,255,255,0.88);
  padding: 9px 8px;
  text-align: left;
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.3px;
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 2;
  cursor: default;
}
.data-table thead th.sortable { cursor: pointer; }
.data-table thead th.sortable:hover { background: var(--navy-mid); }
.data-table thead th .sort-icon { margin-left: 3px; opacity: 0.35; font-size: 10px; transition: opacity var(--transition); }
.data-table thead th.sort-asc .sort-icon,
.data-table thead th.sort-desc .sort-icon { opacity: 1; color: var(--gold-light); }
.data-table thead th:first-child { border-radius: var(--radius-sm) 0 0 0; }
.data-table thead th:last-child  { border-radius: 0 var(--radius-sm) 0 0; }

.data-table tbody tr {
  transition: background var(--transition);
  border-bottom: 0.5px solid var(--gray-100);
}
.data-table tbody tr:nth-child(even) { background: #fafaf8; }
.data-table tbody tr:hover { background: var(--navy-pale) !important; }
.data-table tbody tr.row-memo    { background: #fffde7; }
.data-table tbody tr.row-memo:hover { background: #fff9c4 !important; }
.data-table tbody tr.row-selected { background: #dde8f8; }

.data-table td {
  padding: 7px 8px;
  color: var(--gray-900);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.data-table td.col-price { font-weight: 600; color: var(--navy); font-family: var(--font-mono); }
.data-table td.col-stock a { color: var(--navy-light); font-weight: 500; }
.data-table td.col-stock a:hover { text-decoration: underline; }

.table-container {
  border: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  overflow-x: auto;
}

/* ============================================
   Pagination
   ============================================ */
.pagination {
  display: flex;
  align-items: center;
  gap: 3px;
  justify-content: center;
  padding: 16px 0;
  flex-wrap: wrap;
}
.pagination .page-btn {
  min-width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  border: var(--border-md);
  font-size: 12px;
  background: var(--white);
  color: var(--gray-700);
  cursor: pointer;
  transition: all var(--transition);
}
.pagination .page-btn:hover    { background: var(--gray-50); border-color: var(--gray-300); }
.pagination .page-btn.active   { background: var(--navy); color: var(--white); border-color: var(--navy); box-shadow: var(--shadow-xs); }
.pagination .page-btn.dots     { border: none; cursor: default; color: var(--gray-400); }
.pagination .page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ============================================
   Tooltip
   ============================================ */
[data-tooltip] { position: relative; }
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--gray-900);
  color: var(--white);
  font-size: 11px;
  padding: 5px 9px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 1000;
  box-shadow: var(--shadow-md);
}
[data-tooltip]:hover::after { opacity: 1; }

/* ============================================
   Dividers & Separators
   ============================================ */
.divider {
  height: 1px;
  background: var(--gray-100);
  margin: var(--gap-md) 0;
}
.divider-vertical {
  width: 1px;
  height: 20px;
  background: var(--gray-200);
}

/* ============================================
   Loading Skeleton
   ============================================ */
.skeleton {
  background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-50) 50%, var(--gray-100) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================
   Toast Notifications
   ============================================ */
.toast-container {
  position: fixed;
  bottom: 80px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--gray-900);
  color: var(--white);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.3s ease, toastOut 0.3s ease 2.5s forwards;
  max-width: 300px;
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}
.toast.toast-success { background: var(--success); }
.toast.toast-error   { background: var(--danger); }
.toast.toast-gold    { background: var(--gold-dark); }
@keyframes toastIn  { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastOut { from { opacity: 1; } to { opacity: 0; transform: translateY(-5px); } }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .hide-tablet { display: none !important; }
}
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
  .btn-label   { display: none; }
}