:root {
    /* Bootstrap Variables Override - Light Theme */
    --bs-primary: #c2611f;
    /* Indigo 600 */
    --bs-primary-rgb: 194, 97, 31;

    --bs-success: #10b981;
    /* Emerald 500 */
    --bs-success-rgb: 16, 185, 129;

    --bs-info: #0ea5e9;
    /* Sky 500 */
    --bs-info-rgb: 14, 165, 233;

    --bs-body-bg: #f8fafc;
    /* Slate 50 */
    --bs-body-color: #334155;
    /* Slate 700 */

    --bs-card-bg: #ffffff;
    --bs-card-border-color: #e2e8f0;
    /* Slate 200 */

    /* Custom Variables */
    --sidebar-width: 260px;
    --sidebar-bg: #ffffff;
    --sidebar-border: #e2e8f0;
    --primary: var(--bs-primary);
    --primary-rgb: var(--bs-primary-rgb);
    --bg-card: var(--bs-card-bg);
    --text-main: var(--bs-body-color);
    --border: var(--bs-card-border-color);
    --text-muted: #64748b;
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --danger: #ef4444;
    --warning: #f59e0b;

    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    font-family: var(--font-main);
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
    -webkit-font-smoothing: antialiased;
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    overflow-y: auto;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem;
    max-width: 1600px;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.page-title {
    margin: 0;
}

.page-header .actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Card Styling */
.card {
    border: 1px solid var(--bs-card-border-color);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
    /* Soft shadow */
    border-radius: 0.75rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    /* Subtle lift effect only for interactive cards */
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--bs-card-border-color);
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    color: #1e293b;
    /* Slate 800 */
}

/* Layout helpers */
.split-layout {
    display: grid;
    grid-template-columns: minmax(280px, 1fr) minmax(0, 2fr);
    gap: 1.5rem;
    align-items: start;
}

@media (max-width: 992px) {
    .split-layout {
        grid-template-columns: 1fr;
    }
}

/* Typography Overrides */
h1,
h2,
h3,
h4,
h5,
h6,
.h1,
.h2,
.h3,
.h4,
.h5,
.h6 {
    color: #0f172a;
    /* Slate 900 */
    font-weight: 700;
    letter-spacing: -0.025em;
}

.text-muted {
    color: #64748b !important;
    /* Slate 500 */
}

/* Buttons */
.btn {
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.15s ease;
}

.btn-primary {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
    color: #ffffff;
    box-shadow: 0 1px 2px 0 rgba(194, 97, 31, 0.3);
}

.btn-primary:hover {
    background-color: #a05216;
    /* Indigo 700 */
    border-color: #a05216;
}

.btn-outline-light {
    /* Fix for light theme - make them look like outline primary/secondary */
    color: #1e293b;
    border-color: #e2e8f0;
}

.btn-outline-light:hover {
    background-color: #f1f5f9;
    border-color: #cbd5e1;
    color: #0f172a;
}


/* Form Controls */
.form-control,
.form-select {
    background-color: #fff;
    border: 1px solid #cbd5e1;
    /* Slate 300 */
    color: #0f172a;
    border-radius: 0.5rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 3px rgba(194, 97, 31, 0.1);
}

/* Sidebar Nav */
.nav-link {
    color: #475569;
    /* Slate 600 */
    border-radius: 0.5rem;
    padding: 0.625rem 1rem;
    margin-bottom: 0.25rem;
    font-weight: 500;
}

.nav-link:hover {
    background-color: #f1f5f9;
    /* Slate 100 */
    color: #0f172a;
}

.nav-link.active {
    background-color: #fff7ed;
    /* Indigo 50 */
    color: var(--bs-primary);
}

.nav-link i {
    color: #94a3b8;
    /* Slate 400 */
    margin-right: 0.75rem !important;
    transition: color 0.15s;
}

.nav-link:hover i,
.nav-link.active i {
    color: var(--bs-primary);
}

.nav-section-title {
    color: #94a3b8;
    /* Slate 400 */
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    padding-left: 1rem;
}

/* Utilities */
.text-gradient {
    background: linear-gradient(135deg, #c2611f 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.bg-gradient-dark {
    /* Override for light theme to be a nice gradient */
    background: linear-gradient(135deg, #c2611f 0%, #a05216 100%) !important;
}

/* Table */
.table th {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #64748b;
    letter-spacing: 0.06em;
    background-color: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    padding: 0.75rem 1rem;
    white-space: nowrap;
}

.table td {
    vertical-align: middle;
    color: #334155;
    border-bottom: 1px solid #f1f5f9;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
}

.table td,
.table th {
    border-color: #f1f5f9;
}

.table tbody tr:last-child td {
    border-bottom: 0;
}

.table tbody tr:hover td {
    background-color: #f8fafc;
}

.table-container {
    width: 100%;
    overflow-x: auto;
}

/* Checkbox list styling */
.form-check-input-multiple {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.5rem;
}

.form-check-input-multiple li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    background: #ffffff;
}

.form-check-input-multiple label {
    margin: 0;
    cursor: pointer;
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-check-input-multiple input[type="checkbox"] {
    margin: 0;
    width: 1rem;
    height: 1rem;
    accent-color: var(--bs-primary);
}

/* Options checklist (Calculator) */
.options-search-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid #cbd5e1;
    border-bottom: none;
    border-radius: 0.5rem 0.5rem 0 0;
    background: #f8fafc;
}

.options-search-bar i {
    color: #94a3b8;
    font-size: 0.8rem;
}

.options-search-bar input {
    border: none;
    outline: none;
    background: transparent;
    font-size: 0.875rem;
    color: #334155;
    flex: 1;
    min-width: 0;
}

.options-checklist {
    border: 1px solid #cbd5e1;
    border-radius: 0 0 0.5rem 0.5rem;
    max-height: 280px;
    overflow-y: auto;
    background: #fff;
}

.option-check-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 0.75rem;
    border-bottom: 1px solid #f1f5f9;
    cursor: pointer;
    transition: background 0.1s;
    user-select: none;
    margin: 0;
}

.option-check-item:last-child {
    border-bottom: none;
}

.option-check-item:hover {
    background: #f8fafc;
}

.option-check-label {
    flex: 1;
    font-size: 0.875rem;
    color: #334155;
}

.option-check-delta {
    font-size: 0.8rem;
    font-family: monospace;
    font-weight: 600;
    flex-shrink: 0;
}

.option-check-delta.positive { color: #10b981; }
.option-check-delta.negative { color: #ef4444; }
.option-check-delta.zero { color: #94a3b8; }

.options-empty {
    padding: 1.5rem;
    text-align: center;
    color: #94a3b8;
    font-size: 0.875rem;
}

/* Custom checkboxes — shared style for picker + checklist */
.option-check-item input[type="checkbox"],
.model-picker__list ul li input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 1rem;
    height: 1rem;
    border: 1.5px solid #cbd5e1;
    border-radius: 0.25rem;
    flex-shrink: 0;
    cursor: pointer;
    position: relative;
    transition: background 0.15s, border-color 0.15s;
    background: #fff;
}

.option-check-item input[type="checkbox"]:checked,
.model-picker__list ul li input[type="checkbox"]:checked {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
}

.option-check-item input[type="checkbox"]:checked::after,
.model-picker__list ul li input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    top: 1px;
    left: 3px;
    width: 6px;
    height: 9px;
    border: 1.5px solid #fff;
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
}

.option-check-item input[type="checkbox"]:hover,
.model-picker__list ul li input[type="checkbox"]:hover {
    border-color: var(--bs-primary);
}

/* Model Picker (dropdown with checkboxes) */
.model-picker {
    position: relative;
}

.model-picker__toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    background: #fff;
    border: 1px solid #cbd5e1;
    border-radius: 0.5rem;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    text-align: left;
    color: #0f172a;
    font-size: 1rem;
    transition: border-color 0.15s;
    min-height: 2.375rem;
}

.model-picker__toggle:hover {
    border-color: var(--bs-primary);
}

.model-picker.is-open .model-picker__toggle {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 3px rgba(194, 97, 31, 0.1);
}

.model-picker__label {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #64748b;
}

.model-picker__label.has-selection {
    color: #0f172a;
}

.model-picker__icon {
    color: #94a3b8;
    font-size: 0.75rem;
    transition: transform 0.15s;
    flex-shrink: 0;
}

.model-picker.is-open .model-picker__icon {
    transform: rotate(180deg);
}

.model-picker__panel {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid #cbd5e1;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    z-index: 200;
}

.model-picker.is-open .model-picker__panel {
    display: block;
}

.model-picker__search {
    padding: 0.5rem;
    border-bottom: 1px solid #e2e8f0;
}

.model-picker__list {
    max-height: 220px;
    overflow-y: auto;
    padding: 0.375rem 0.5rem;
}

.model-picker__list ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.model-picker__list ul li {
    border-radius: 0.375rem;
}

.model-picker__list ul li label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.5rem;
    cursor: pointer;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    color: #334155;
    width: 100%;
}

.model-picker__list ul li label:hover {
    background-color: #f1f5f9;
}

/* custom checkbox styles moved above */

.model-picker__list .picker-hidden {
    display: none;
}

/* Icons */
.icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bg-primary-soft {
    background-color: #fff7ed;
    color: #c2611f;
}

.bg-success-soft {
    background-color: #ecfdf5;
    color: #10b981;
}

.bg-white-20 {
    background-color: rgba(255, 255, 255, 0.2);
}