:root {
    /* Accent colors */
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #3b82f6;
    --color-secondary: #64748b;
    --color-success: #10b981;
    --color-success-bg: #ecfdf5;
    --color-success-text: #065f46;
    --color-danger: #ef4444;
    --color-danger-bg: #fef2f2;
    --color-danger-text: #991b1b;
    --color-warning: #f59e0b;
    --color-warning-bg: #fffbeb;
    --color-warning-text: #92400e;

    /* Semantic theme tokens — light mode */
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #f9fafb;
    --bg-elevated: #ffffff;
    --bg-input: #ffffff;
    --bg-muted: #f3f4f6;
    --bg-hover: #f4f5f7;
    --text-primary: #111827;
    --text-secondary: #374151;
    --text-muted: #6b7280;
    --text-placeholder: #9ca3af;
    --border-color: #e5e7eb;
    --border-strong: #d1d5db;
    --divider-color: #f3f4f6;
    --ring-color: #2563eb;

    /* Chart tokens */
    --chart-grid: #f3f4f6;
    --chart-text: #6b7280;
    --chart-tooltip-bg: #1f2937;
    --chart-tooltip-text: #f9fafb;
}

html.dark {
    /* Semantic theme tokens — dark mode */
    --bg-body: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #263345;
    --bg-elevated: #27354c;
    --bg-input: #0f172a;
    --bg-muted: #1e293b;
    --bg-hover: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #e2e8f0;
    --text-muted: #94a3b8;
    --text-placeholder: #64748b;
    --border-color: #334155;
    --border-strong: #475569;
    --divider-color: #334155;
    --ring-color: #60a5fa;

    /* Chart tokens dark */
    --chart-grid: #334155;
    --chart-text: #94a3b8;
    --chart-tooltip-bg: #0f172a;
    --chart-tooltip-text: #f8fafc;

    /* Tell the browser to use dark UA widgets */
    color-scheme: dark;
}

html:not(.dark) {
    color-scheme: light;
}

/* Core utility classes backed by tokens */
.bg-body { background-color: var(--bg-body); }
.bg-card { background-color: var(--bg-card); }
.bg-card-hover { background-color: var(--bg-card-hover); }
.bg-elevated { background-color: var(--bg-elevated); }
.bg-input { background-color: var(--bg-input); }
.bg-muted { background-color: var(--bg-muted); }
.bg-hover { background-color: var(--bg-hover); }
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.border-theme { border-color: var(--border-color); }
.border-strong { border-color: var(--border-strong); }
.divide-theme { border-color: var(--divider-color); }
.ring-theme { --tw-ring-color: var(--ring-color); }

/* Body transition only for background/text */
body { transition: background-color 0.2s ease, color 0.2s ease; }

/* Guarantee dark mode background. The Tailwind CDN sometimes doesn't
   emit dark: variants for classes it didn't see at first scan, so we
   force the body/main background here. */
html.dark body { background-color: #0f172a; color: #f1f5f9; }
html:not(.dark) body { background-color: #f8fafc; color: #111827; }

/* Map containers */
.map-container {
    height: 500px;
    border-radius: 0.75rem;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.map-container-sm {
    height: 350px;
    border-radius: 0.75rem;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.leaflet-popup-content-wrapper {
    border-radius: 0.75rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.25);
}

/* Card components */
.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    transition: transform 0.2s, box-shadow 0.2s, background-color 0.2s, border-color 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.12);
}

html.dark .stat-card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
}

.commodity-card {
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

.commodity-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 20px -4px rgba(0, 0, 0, 0.2);
}

/* Table helpers */
.data-table th {
    position: sticky;
    top: 0;
    background-color: var(--bg-muted);
    z-index: 10;
}

.data-table td {
    border-bottom: 1px solid var(--border-color);
}

/* Form controls */
.form-input {
    width: 100%;
    border-radius: 0.5rem;
    border: 1px solid var(--border-strong);
    background-color: var(--bg-input);
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    line-height: 1.25rem;
    transition: border-color 0.15s, box-shadow 0.15s, background-color 0.2s, color 0.2s;
}

.form-input::placeholder {
    color: var(--text-placeholder);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

html.dark .form-input:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

html.dark .form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    border-radius: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background-color 0.15s, border-color 0.15s, color 0.15s, box-shadow 0.15s;
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
}

.btn-secondary {
    background-color: var(--bg-muted);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-hover);
}

.btn-ghost {
    background-color: transparent;
    color: var(--text-muted);
}

.btn-ghost:hover {
    background-color: var(--bg-hover);
    color: var(--text-secondary);
}

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

.btn-danger:hover {
    background-color: #fecaca;
}

html.dark .btn-danger {
    background-color: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
}

html.dark .btn-danger:hover {
    background-color: rgba(239, 68, 68, 0.25);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    border-radius: 9999px;
    padding: 0.125rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1.25rem;
}

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

html.dark .badge-success {
    background-color: rgba(16, 185, 129, 0.15);
    color: #6ee7b7;
}

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

html.dark .badge-danger {
    background-color: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
}

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

html.dark .badge-warning {
    background-color: rgba(245, 158, 11, 0.15);
    color: #fcd34d;
}

.badge-info {
    background-color: #eff6ff;
    color: #1e40af;
}

html.dark .badge-info {
    background-color: rgba(59, 130, 246, 0.15);
    color: #93c5fd;
}

.badge-muted {
    background-color: var(--bg-muted);
    color: var(--text-muted);
}

/* Modal */
.modal-panel {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.08);
}

html.dark .modal-panel {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 3rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
}

/* Loading skeleton */
.skeleton {
    background-color: var(--bg-hover);
    border-radius: 0.75rem;
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Legend */
.legend {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 2px;
    border: 1px solid var(--border-strong);
}

.gradient-bar {
    height: 12px;
    border-radius: 6px;
    background: linear-gradient(to right, #dcfce7, #16a34a);
}

html.dark .gradient-bar {
    background: linear-gradient(to right, #14532d, #22c55e);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

/* Form spinners/date picker */
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    opacity: 0.6;
    filter: var(--icon-filter, none);
}

html.dark input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
}

input:focus, select:focus, textarea:focus {
    outline: none;
}

/* Native select/option styling for dark mode */
html.dark select option,
html.dark optgroup {
    background-color: #1e293b;
    color: #f1f5f9;
}

html:not(.dark) select option,
html:not(.dark) optgroup {
    background-color: #ffffff;
    color: #111827;
}

/* Universal form control guarantees for dark mode.
   Tailwind CDN can miss safelisted classes, so we force the
   colors directly so selects/inputs/buttons are always readable. */
html.dark select,
html.dark input[type="text"],
html.dark input[type="number"],
html.dark input[type="email"],
html.dark input[type="search"],
html.dark input[type="password"],
html.dark input[type="url"],
html.dark textarea {
    color: #f1f5f9;
    background-color: #1e293b;
}

html.dark select:focus,
html.dark input:focus,
html.dark textarea:focus {
    background-color: #1e293b;
    color: #f1f5f9;
}

html.dark input::placeholder,
html.dark textarea::placeholder {
    color: #64748b;
}

html.dark input[type="checkbox"] {
    background-color: #1e293b;
    border-color: #475569;
}

html.dark table thead tr,
html.dark thead,
html.dark thead tr,
html.dark .data-table thead tr,
html.dark .data-table thead {
    background-color: #334155 !important;
}

html.dark table thead th,
html.dark .data-table thead th {
    color: #e2e8f0 !important;
    background-color: transparent !important;
}

/* Dedicated table header class that doesn't conflict with Tailwind.
   Use this instead of bg-gray-50 dark:bg-gray-700 on <tr> in <thead>. */
.table-header {
    background-color: #f9fafb;
    border-bottom: 1px solid #e5e7eb;
}

html.dark .table-header {
    background-color: #334155 !important;
    border-bottom: 1px solid #475569 !important;
}

.table-header th {
    position: sticky;
    top: 0;
    z-index: 10;
    color: #4b5563;
    background-color: transparent;
    transition: background-color 0.15s;
}

.table-header th:hover {
    background-color: #f3f4f6;
}

html.dark .table-header th {
    color: #e2e8f0 !important;
    background-color: transparent !important;
}

html.dark .table-header th:hover {
    background-color: #475569 !important;
}

/* Removed default yellow autofill in dark mode */
html.dark input:-webkit-autofill,
html.dark select:-webkit-autofill,
html.dark textarea:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 1000px #1e293b inset !important;
    -webkit-text-fill-color: #f1f5f9 !important;
    caret-color: #f1f5f9;
}

html:not(.dark) input:-webkit-autofill,
html:not(.dark) select:-webkit-autofill,
html:not(.dark) textarea:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 1000px #ffffff inset !important;
    -webkit-text-fill-color: #111827 !important;
}

/* Chart canvas sizing */
.stat-card canvas {
    max-height: 160px;
}

/* Modal backdrop */
.modal-backdrop {
    backdrop-filter: blur(4px);
}

/* Commodity glow */
@keyframes commodityGlow {
    0%, 100% { filter: drop-shadow(0 0 3px rgba(255, 255, 255, 0.6)); }
    50% { filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.9)); }
}

.commodity-glow {
    animation: commodityGlow 2s ease-in-out infinite;
}

/* Scrollbars */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--border-strong) var(--bg-body);
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 5px;
    border: 2px solid var(--bg-body);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Toast container */
#toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Utility for hidden emojis replacement */
.icon-empty {
    width: 4rem;
    height: 4rem;
    color: var(--text-muted);
    opacity: 0.5;
}