/**
 * Kazakan Tools 2.0 — Universal Financial & Math Calculators Studio
 */
/* ==========================================================================
   Kazakan Modern Universal Calculator Studio & Layout Architecture
   ========================================================================== */
.kz-calc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(0, 0.95fr);
  gap: clamp(16px, 2.5vw, 24px);
  align-items: start;
  width: 100%;
}

@media (max-width: 980px) {
  .kz-calc-layout {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* Universal Modern Calculator Card */
.kz-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card, 20px);
  padding: clamp(18px, 2.5vw, 26px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

[data-theme="dark"] .kz-card {
  background: rgba(14, 21, 38, 0.78);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

[data-theme="light"] .kz-card {
  background: #ffffff;
  border-color: #e2e8f0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

/* Universal Dual-Card Sticky:
   On desktop, both columns in 2-card tool layouts are sticky with align-self: start.
   When one card is taller than the other, the shorter card sticks and scrolls
   smoothly down (and back up) alongside the taller card within the grid row. */
@media (min-width: 981px) {
  .kz-calc-layout > *,
  .kz-card.kz-calc-side {
    position: sticky;
    top: 84px;
    align-self: start;
    z-index: 5;
  }
}

@media (max-width: 980px) {
  .kz-calc-layout > *,
  .kz-card.kz-calc-side {
    position: static;
  }
}

/* Card Header */
.kz-card-title {
  font-size: 1.125rem;
  font-weight: 750;
  color: var(--text-main);
  margin-block-end: var(--space-4, 16px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

/* Grid Utilities */
.kz-grid {
  display: grid;
  gap: var(--space-3, 12px);
}
.kz-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.kz-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.kz-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
@media (max-width: 680px) {
  .kz-grid-2,
  .kz-grid-3,
  .kz-grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Hero Result Panel in Side Card */
.kz-result-hero {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.12) 0%, rgba(56, 189, 248, 0.04) 100%);
  border: 1px solid var(--brand-primary-border, rgba(59, 130, 246, 0.25));
  border-radius: var(--radius-md, 16px);
  padding: 20px;
  text-align: center;
  margin-block-end: var(--space-4, 16px);
  position: relative;
  overflow: hidden;
}
[data-theme="light"] .kz-result-hero {
  background: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 100%);
  border-color: #bfdbfe;
}
.kz-result-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-primary, #3b82f6), var(--brand-accent, #38bdf8));
}
.kz-result-sub {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: block;
  margin-block-end: 6px;
}
.kz-result-val {
  font-size: clamp(1.75rem, 3.2vw, 2.25rem);
  font-weight: 850;
  color: var(--brand-primary, #3b82f6);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

/* Breakdown Rows */
.kz-breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 4px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.875rem;
  color: var(--text-muted);
  gap: 12px;
}
[data-theme="light"] .kz-breakdown-row {
  border-bottom-color: #f1f5f9;
}
.kz-breakdown-row strong {
  color: var(--text-main);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  text-align: end;
}

/* Status Badges */
.kz-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-pill, 9999px);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}
.kz-badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.kz-badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.3);
}
.kz-badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: #3b82f6;
  border: 1px solid rgba(59, 130, 246, 0.3);
}
.kz-badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Segmented Buttons */
.kz-segmented {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill, 9999px);
  padding: 3px;
  gap: 3px;
  max-width: 100%;
  overflow-x: auto;
}
[data-theme="light"] .kz-segmented {
  background: #f1f5f9;
  border-color: #cbd5e1;
}
.kz-segment-btn {
  height: 34px;
  padding: 0 14px;
  border: none;
  border-radius: var(--radius-pill, 9999px);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 650;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}
.kz-segment-btn:hover {
  color: var(--text-main);
}
.kz-segment-btn.active {
  background: var(--brand-primary, #3b82f6);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.35);
}

/* Preset Chips */
.kz-chips-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-block-end: 12px;
}
.kz-chip {
  padding: 5px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}
[data-theme="light"] .kz-chip {
  background: #f1f5f9;
  border-color: #cbd5e1;
}
.kz-chip:hover {
  background: var(--brand-primary, #3b82f6);
  border-color: var(--brand-primary, #3b82f6);
  color: #ffffff;
}
.kz-chip.active {
  background: var(--brand-primary, #3b82f6);
  border-color: var(--brand-primary, #3b82f6);
  color: #ffffff;
}


/* ==========================================================================
   Overtime Calculator Pro — Advanced Shift & Multi-Day Architecture
   ========================================================================== */
#overtime-calculator-app .kz-calc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.95fr);
  gap: clamp(16px, 2vw, 24px);
  align-items: start;
}
@media (max-width: 980px) {
  #overtime-calculator-app .kz-calc-layout {
    grid-template-columns: 1fr;
  }
}

.ot-log-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.ot-log-table th {
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  font-weight: 700;
  text-align: start;
  border-bottom: 1px solid var(--border-subtle);
}
[data-theme="light"] .ot-log-table th {
  background: #f8fafc;
  border-bottom-color: #cbd5e1;
}
.ot-log-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
}
.ot-log-table tr:last-child td {
  border-bottom: none;
}
.ot-btn-del {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}
.ot-btn-del:hover {
  color: #ef4444;
  border-color: #ef4444;
  background: rgba(239, 68, 68, 0.1);
}
.ot-stat-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(59, 130, 246, 0.06);
  border: 1px solid var(--brand-primary-border, rgba(59, 130, 246, 0.2));
  border-radius: 12px;
  margin-block-start: 12px;
  font-size: 0.85rem;
}
.ot-law-box {
  background: rgba(59, 130, 246, 0.05);
  border: 1px dashed var(--brand-primary-border, rgba(59, 130, 246, 0.25));
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-block-start: var(--space-3, 12px);
}
[data-theme="light"] .ot-law-box {
  background: #f0f7ff;
  border-color: #bfdbfe;
  color: #1e40af;
}

@media (max-width: 640px) {
  .kz-card {
    padding: 14px 12px;
    border-radius: 16px;
  }

  .kz-card-title {
    font-size: 1rem;
    margin-block-end: 12px;
  }

  .kz-segment-btn {
    height: 42px;
    padding: 0 12px;
    font-size: 0.78rem;
  }

  .kz-chip {
    padding: 6px 12px;
    font-size: 0.76rem;
    min-height: 36px;
  }

  .ot-btn-del {
    width: 36px;
    height: 36px;
  }

  .ot-log-table th,
  .ot-log-table td {
    padding: 6px 8px;
    font-size: 0.78rem;
  }
}

@media (max-width: 420px) {
  .kz-card {
    padding: 12px 10px;
  }
}

/* Low-Spec & No-GPU Solid Fallback */
html.no-glass .kz-card {
  background: #0d1527 !important;
  border-color: #1e293b !important;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25) !important;
}

html.no-glass[data-theme="light"] .kz-card {
  background: #ffffff !important;
  border-color: #e2e8f0 !important;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.05) !important;
}

@supports not (backdrop-filter: blur(10px)) {
  .kz-card {
    background: #0d1527 !important;
    border-color: #1e293b !important;
  }
  [data-theme="light"] .kz-card {
    background: #ffffff !important;
    border-color: #e2e8f0 !important;
  }
}