/* MBX Accounting — Base Styles & Color Tokens */

/* Light Theme (default) */
:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --danger: #ef4444;
  --success: #22c55e;
  --warning: #f59e0b;
  --info: #3b82f6;
}

/* Dark Theme */
.dark {
  --bg: #0f172a;
  --surface: #1e293b;
  --border: #334155;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --accent: #818cf8;
  --accent-hover: #6366f1;
  --danger: #f87171;
  --success: #4ade80;
  --warning: #fbbf24;
  --info: #60a5fa;
}

/* Prevent flash of unstyled content */
[x-cloak] { display: none !important; }

/* Base Typography */
body {
  font-family: 'Inter', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Smooth scrolling */
html { scroll-behavior: smooth; }

/* Focus ring */
*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Scrollbar styling */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ============================================================
   TABLE STYLES
   ============================================================ */

table { border-collapse: collapse; width: 100%; }
th, td { padding: 0.625rem 0.75rem; text-align: left; }
th {
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
tr:not(:last-child) td { border-bottom: 1px solid var(--border); }

/* Table row hover */
tbody tr {
  transition: background-color 0.12s ease;
}
tbody tr:hover {
  background-color: color-mix(in srgb, var(--accent) 4%, var(--surface));
}

/* Alternating rows (opt-in via .table-striped) */
.table-striped tbody tr:nth-child(even) {
  background-color: color-mix(in srgb, var(--border) 20%, transparent);
}

/* ============================================================
   FORM ELEMENTS
   ============================================================ */

input:not([type="checkbox"]):not([type="radio"]),
select,
textarea {
  background: color-mix(in srgb, var(--border) 12%, var(--surface));
  color: var(--text);
  border: 1.5px solid var(--border);
  border-radius: 0.625rem;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  line-height: 1.5;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
  width: 100%;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.04);
}

input:not([type="checkbox"]):not([type="radio"]):hover:not(:focus):not(:disabled),
select:hover:not(:focus):not(:disabled),
textarea:hover:not(:focus):not(:disabled) {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
}

input:not([type="checkbox"]):not([type="radio"]):focus,
select:focus,
textarea:focus {
  background: var(--surface);
  border-color: var(--accent);
  box-shadow: 0 0 0 3.5px color-mix(in srgb, var(--accent) 18%, transparent), inset 0 1px 2px rgba(0,0,0,0.03);
  outline: none;
}

input:disabled,
select:disabled,
textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: color-mix(in srgb, var(--border) 30%, var(--surface));
}

input::placeholder,
textarea::placeholder {
  color: var(--muted);
  opacity: 0.6;
}

/* Compact inline select (e.g. filter bars) */
.select-inline {
  display: inline-block;
  width: auto !important;
  background: color-mix(in srgb, var(--border) 12%, var(--surface)) !important;
  color: var(--text) !important;
  border: 1.5px solid var(--border) !important;
  border-radius: 0.5rem !important;
  padding: 0.375rem 2.25rem 0.375rem 0.75rem !important;
  font-size: 0.875rem !important;
  line-height: 1.5 !important;
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  appearance: none !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: right 0.5rem center !important;
  background-size: 0.875rem 0.875rem !important;
  cursor: pointer;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.04);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.select-inline:focus {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent) !important;
  outline: none !important;
}
.dark .select-inline {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") !important;
}

/* Select — custom arrow, prevent native styling */
select {
  padding-right: 2.5rem !important;
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  appearance: none !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat !important;
  background-position: right 0.75rem center !important;
  background-size: 1rem 1rem !important;
  cursor: pointer;
}

/* Dark mode arrow (lighter colour) */
.dark select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
}

/* Checkboxes & radios */
input[type="checkbox"],
input[type="radio"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
  cursor: pointer;
}

/* ============================================================
   FORM LAYOUT COMPONENTS
   ============================================================ */

/* Label above an input */
.input-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.4rem;
  letter-spacing: 0.01em;
  line-height: 1.4;
}

/* Subtle hint text below an input */
.input-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.25rem;
  line-height: 1.4;
}

/* Validation error text */
.input-error {
  display: block;
  font-size: 0.75rem;
  color: var(--danger);
  margin-top: 0.25rem;
  line-height: 1.4;
}

input.is-error,
select.is-error,
textarea.is-error {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--danger) 15%, transparent);
}

/* A label + input group with consistent vertical spacing */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

/* A visual section within a form — heading + divider */
.form-section {
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}
.form-section:first-child {
  padding-top: 0;
  border-top: none;
}

.form-section-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.form-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
  margin-left: 0.25rem;
}

/* ============================================================
   BUTTON VARIANTS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5625rem 1.125rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  transition: background 0.15s, opacity 0.15s, box-shadow 0.15s;
  cursor: pointer;
  border: none;
  white-space: nowrap;
  text-decoration: none;
}
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 3px color-mix(in srgb, var(--accent) 35%, transparent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 10px color-mix(in srgb, var(--accent) 30%, transparent);
}
.btn-secondary {
  background: color-mix(in srgb, var(--border) 60%, transparent);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--border);
}
.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover { opacity: 0.88; }

/* Size variants */
.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}
.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  border-radius: 0.625rem;
}

/* ============================================================
   CARD
   ============================================================ */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.03);
  transition: box-shadow 0.2s;
}

/* Card header — title row at top of card */
.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.card-header-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.card-header-subtitle {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-top: 0.125rem;
}

/* ============================================================
   STAT / KPI CARD
   ============================================================ */

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  transition: box-shadow 0.2s, transform 0.2s;
}
.stat-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transform: translateY(-1px);
}
.stat-card-label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 0.5rem;
}
.stat-card-value {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text);
}
.stat-card-meta {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.375rem;
}
.stat-card-icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.625rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ============================================================
   BADGE VARIANTS
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.4;
}
.badge-success {
  background: color-mix(in srgb, var(--success) 14%, transparent);
  color: var(--success);
  border: 1px solid color-mix(in srgb, var(--success) 25%, transparent);
}
.badge-warning {
  background: color-mix(in srgb, var(--warning) 14%, transparent);
  color: var(--warning);
  border: 1px solid color-mix(in srgb, var(--warning) 25%, transparent);
}
.badge-danger {
  background: color-mix(in srgb, var(--danger) 14%, transparent);
  color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 25%, transparent);
}
.badge-info {
  background: color-mix(in srgb, var(--info) 14%, transparent);
  color: var(--info);
  border: 1px solid color-mix(in srgb, var(--info) 25%, transparent);
}
.badge-neutral {
  background: color-mix(in srgb, var(--muted) 14%, transparent);
  color: var(--muted);
  border: 1px solid color-mix(in srgb, var(--muted) 20%, transparent);
}

/* ============================================================
   ALERT / FLASH MESSAGES
   ============================================================ */

.alert {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  border-radius: 0.75rem;
  font-size: 0.875rem;
  border: 1px solid transparent;
  line-height: 1.5;
}
.alert-icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  margin-top: 0.05rem;
}
.alert-success {
  background: color-mix(in srgb, var(--success) 10%, var(--surface));
  border-color: color-mix(in srgb, var(--success) 25%, transparent);
  color: color-mix(in srgb, var(--success) 80%, var(--text));
}
.alert-error {
  background: color-mix(in srgb, var(--danger) 10%, var(--surface));
  border-color: color-mix(in srgb, var(--danger) 25%, transparent);
  color: color-mix(in srgb, var(--danger) 80%, var(--text));
}
.alert-warning {
  background: color-mix(in srgb, var(--warning) 10%, var(--surface));
  border-color: color-mix(in srgb, var(--warning) 25%, transparent);
  color: color-mix(in srgb, var(--warning) 70%, var(--text));
}
.alert-info {
  background: color-mix(in srgb, var(--info) 10%, var(--surface));
  border-color: color-mix(in srgb, var(--info) 25%, transparent);
  color: color-mix(in srgb, var(--info) 80%, var(--text));
}

/* ============================================================
   MOBILE RESPONSIVE HELPERS
   ============================================================ */

@media (max-width: 640px) {
  .card {
    padding: 1rem;
    border-radius: 0.75rem;
  }
  .btn {
    padding: 0.5rem 0.875rem;
  }
  input:not([type="checkbox"]):not([type="radio"]),
  select,
  textarea {
    font-size: 1rem; /* prevents iOS zoom on focus */
    padding: 0.6875rem 0.875rem;
  }
}