:root {
    /* Brand Colors */
    --bs-primary: #1f6f78;
    --bs-primary-rgb: 31, 111, 120;
    --bs-primary-bg-subtle: rgba(31, 111, 120, 0.1);

    /* Badge Subtle Colors (Bootstrap 5.3+ fallbacks) */
    --bs-success-bg-subtle: rgba(25, 135, 84, 0.1);
    --bs-warning-bg-subtle: rgba(255, 193, 7, 0.1);
    --bs-danger-bg-subtle: rgba(220, 53, 69, 0.1);
    --bs-secondary-bg-subtle: rgba(108, 117, 125, 0.1);

    /* Layout Backgrounds */
    --bs-body-bg: #f1f5f9;
    --bs-body-color: #1a1a1a;

    /* Surface Colors */
    --bs-card-bg: #ffffff;
    --bs-border-color: #e5e7eb;

    /* Shadows & Depth */
    --glass-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --neon-glow: none;

    /* Typography - Premium Modern Fonts */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: var(--font-sans);
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --type-size-xs: 0.6875rem;
    --type-size-sm: 0.75rem;
    --type-size-meta: 0.8125rem;
    --type-size-body: 0.875rem;
    --type-size-body-lg: 0.9375rem;
    --type-size-h1: 1.375rem;
    --type-size-h2: 1.25rem;
    --type-size-h3: 1.125rem;
    --type-size-h4: 1rem;
    --type-size-h5: 0.9375rem;
    --type-size-h6: 0.875rem;
    --type-line-tight: 1.22;
    --type-line-body: 1.5;
    --type-line-compact: 1.35;

    /* Spacing & Sizes */
    --summary-bar-height: 4rem;

    /* Mobile/WebView Optimizations */
    --mobile-padding: 1rem;
    --card-radius: 2px;
    --btn-padding-y: 0.375rem;
    --btn-padding-x: 0.75rem;
    --btn-font-size: var(--type-size-meta);
}

/* Global Button Styles */
.btn {
    padding: var(--btn-padding-y) var(--btn-padding-x);
    font-size: var(--btn-font-size);
    border-radius: 2px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: var(--type-size-sm);
}

.btn-xs {
    padding: 0.2rem 0.4rem;
    font-size: var(--type-size-xs);
}

/* Mobile-First Base Styles */
* {
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-sans);
    font-size: var(--type-size-body);
    line-height: var(--type-line-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-semibold);
    line-height: var(--type-line-tight);
}

h1 { font-size: var(--type-size-h1); }
h2 { font-size: var(--type-size-h2); }
h3 { font-size: var(--type-size-h3); }
h4 { font-size: var(--type-size-h4); }
h5 { font-size: var(--type-size-h5); }
h6 { font-size: var(--type-size-h6); }

/* WebView/Native App Optimizations */
@media (max-width: 768px) {
    :root {
        --summary-bar-height: 3.5rem;
        --mobile-padding: 0.75rem;
        --card-radius: 2px;
        --btn-padding-y: 0.3rem;
        --btn-padding-x: 0.5rem;
        --btn-font-size: var(--type-size-sm);
        --type-size-h1: 1.25rem;
        --type-size-h2: 1.125rem;
        --type-size-h3: 1rem;
    }

    body {
        font-size: var(--type-size-body);
    }

    .container-fluid {
        padding-left: var(--mobile-padding);
        padding-right: var(--mobile-padding);
    }
}

/* ============================================================================
   MODAL FIXES - Global premium backdrop focus
   ============================================================================ */
.modal-backdrop {
    backdrop-filter: blur(3px) !important;
    -webkit-backdrop-filter: blur(3px) !important;
    background-color: rgba(15, 23, 42, 0.28) !important;
}

[data-bs-theme="dark"] .modal-backdrop {
    background-color: rgba(2, 6, 23, 0.42) !important;
}

.modal-content {
    border-radius: 2px !important;
    border: 1px solid var(--bs-border-color) !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2) !important;
}

.modal-header {
    border-bottom: 1px solid var(--bs-border-color);
    background: var(--bs-card-bg);
    flex-shrink: 0;
}

.modal-footer {
    border-top: 1px solid var(--bs-border-color);
    background: var(--bs-card-bg);
    flex-shrink: 0;
}

.modal-body {
    background: var(--bs-card-bg);
}

/* ============================================================================
   FORM FIXES - Bootstrap 5 proper styling
   NOW IN forms.css - Single source of truth for form styles
   ============================================================================ */
/* Form base styles moved to: static/css/forms.css */

/* Date/Time Picker Input Fields - Native HTML5 */
input[type="date"],
input[type="time"],
input[type="datetime-local"] {
    position: relative;
    background-color: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    padding: 8px 10px;
    font-size: var(--type-size-body);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    min-height: 38px;
}

/* Strong focus state - picker visually stands out */
input[type="date"]:focus,
input[type="time"]:focus,
input[type="datetime-local"]:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    outline: none;
}

input[type="date"]:hover,
input[type="time"]:hover,
input[type="datetime-local"]:hover {
    border-color: #2563eb;
}

/* Restore visible calendar icon - Chrome hides it sometimes with custom classes */
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator,
input[type="datetime-local"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
    filter: invert(35%);
    opacity: 0.8;
}

/* Dark mode support for date/time pickers */
[data-bs-theme="dark"] input[type="date"],
[data-bs-theme="dark"] input[type="time"],
[data-bs-theme="dark"] input[type="datetime-local"] {
    background-color: var(--bs-body-bg);
    border-color: var(--bs-border-color);
    color: var(--bs-body-color);
}

/* Date/Time Picker with picker-input class */
input.picker-input {
    position: relative;
    background-color: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    padding: 8px 10px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    min-height: 38px;
}

input.picker-input:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Enhanced datetime-local input styling */
input[type="datetime-local"] {
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid #ced4da;
    border-radius: 4px;
    padding: 6px 10px;
}

/* Wrapper to help visual separation */
.input-datetime-wrapper {
    position: relative;
    display: inline-block;
    width: 100%;
}

.input-datetime-wrapper input[type="datetime-local"] {
    width: 100%;
    background-color: #fff;
}

.input-datetime-wrapper input[type="datetime-local"]:focus {
    border-color: #86b7fe;
    box-shadow: 0 0 0 2px rgba(13, 110, 253, 0.15);
}

/* Calendar icon styling for datetime-local */
input[type="datetime-local"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s ease;
    padding: 4px;
    border-radius: 4px;
    background-color: transparent;
    margin-left: 4px;
}

input[type="datetime-local"]::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
    background-color: rgba(0, 0, 0, 0.05);
}

/* Firefox calendar icon */
input[type="datetime-local"]::-moz-calendar-picker-indicator {
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s ease;
    padding: 4px;
    border-radius: 4px;
}

/* Focus state for datetime-local */
input[type="datetime-local"]:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    outline: none;
}

/* Enhanced picker-input specifically for datetime-local */
input.picker-input[type="datetime-local"] {
    background-color: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    padding: 8px 12px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

input.picker-input[type="datetime-local"]:hover {
    border-color: #94a3b8;
}

input.picker-input[type="datetime-local"]:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15), 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Form focus and label styles moved to: static/css/forms.css */

/* ============================================================================
   TABLE FIXES - Mobile responsive
   ============================================================================ */
.table {
    font-size: var(--type-size-meta);
}

.table th {
    font-size: var(--type-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-weight: 600;
}

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* ============================================================================
   DROPDOWN/SELECT FIXES - Proper display on mobile
   ============================================================================ */
.dropdown-menu {
    border-radius: 2px !important;
    border: 1px solid var(--bs-border-color) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1) !important;
    max-height: 300px;
    overflow-y: auto;
}

.dropdown-item {
    padding: 0.5rem 1rem;
    font-size: var(--type-size-meta);
    white-space: normal;
    word-wrap: break-word;
    min-height: 40px;
}

/* ============================================================================
   ACCORDION FIXES - White background
   ============================================================================ */
.accordion-item {
    background: var(--bs-card-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 2px;
}

.accordion-button {
    background: var(--bs-card-bg);
    color: var(--bs-body-color);
    border-radius: 2px;
}

.accordion-button:not(.collapsed) {
    background: var(--bs-primary-bg-subtle);
    color: var(--bs-primary);
}

.accordion-body {
    background: var(--bs-card-bg);
    color: var(--bs-body-color);
}

/* ============================================================================
   DARK MODE
   ============================================================================ */
[data-bs-theme='dark'] {
    --bs-primary: #2d96a3;
    --bs-primary-rgb: 45, 150, 163;

    --bs-body-bg: #0d1117;
    --bs-body-color: #c9d1d9;

    --bs-card-bg: #161b22;
    --bs-border-color: #30363d;

    --glass-shadow: none;
    --neon-glow: 0 0 15px rgba(45, 150, 163, 0.15);
}