/*
 * GarageOS - Premium SaaS Design System Tokens & Dynamic Theme Engine
 */

:root, html[data-theme="dark"] {
    /* Brand Colors - Premium SaaS */
    --brand-primary: #3B82F6;
    --brand-primary-hover: #2563EB;
    --brand-primary-light: rgba(59, 130, 246, 0.15);
    
    --brand-accent: #8B5CF6;
    --brand-accent-hover: #7C3AED;

    /* Neutrals - Dark Mode */
    --bg-main: #0F172A;
    --bg-surface: #1E293B;
    --bg-sidebar: #0F172A;
    --bg-topbar: rgba(15, 23, 42, 0.85);
    --bg-card: #1E293B;
    --bg-card-hover: #334155;
    
    /* Text - Dark Mode */
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    
    /* State Colors */
    --success: #22C55E;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #06B6D4;
    --pending: #F59E0B;
    --completed: #22C55E;
    --cancelled: #EF4444;
    --in-progress: #3B82F6;
    --waiting: #8B5CF6;

    /* Borders & Shadows */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-soft: rgba(255, 255, 255, 0.05);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.15);

    /* Typography & Radii */
    --font-family-base: 'Inter', system-ui, -apple-system, sans-serif;
    --font-family-display: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Responsive Fluid Typography */
    --text-xs: clamp(0.7rem, 0.65rem + 0.2vw, 0.75rem);
    --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.875rem);
    --text-base: clamp(0.9rem, 0.85rem + 0.3vw, 1rem);
    --text-lg: clamp(1rem, 0.95rem + 0.35vw, 1.125rem);
    --text-xl: clamp(1.125rem, 1.05rem + 0.4vw, 1.25rem);
    --text-2xl: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
    --text-3xl: clamp(1.5rem, 1.35rem + 0.75vw, 1.875rem);
    
    /* Responsive Spacing */
    --space-1: clamp(0.25rem, 0.2vw + 0.2rem, 0.3rem);
    --space-2: clamp(0.5rem, 0.4vw + 0.4rem, 0.6rem);
    --space-3: clamp(0.75rem, 0.6vw + 0.6rem, 1rem);
    --space-4: clamp(1rem, 0.8vw + 0.8rem, 1.25rem);
    --space-5: clamp(1.25rem, 1vw + 1rem, 1.5rem);
    --space-6: clamp(1.5rem, 1.2vw + 1.2rem, 2rem);
    --space-8: clamp(2rem, 1.6vw + 1.6rem, 2.5rem);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    --transition-base: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

html[data-theme="light"] {
    /* Brand Colors - Light Mode */
    --brand-primary: #2563EB;
    --brand-primary-hover: #1D4ED8;
    --brand-primary-light: rgba(37, 99, 235, 0.1);
    
    --brand-accent: #7C3AED;
    --brand-accent-hover: #6D28D9;

    /* Neutrals - Light Mode */
    --bg-main: #F8FAFC;
    --bg-surface: #FFFFFF;
    --bg-sidebar: #FFFFFF;
    --bg-topbar: rgba(255, 255, 255, 0.85);
    --bg-card: #FFFFFF;
    --bg-card-hover: #F1F5F9;
    
    /* Text - Light Mode */
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    
    /* Borders & Shadows */
    --border-color: #E2E8F0;
    --border-soft: #F1F5F9;
    
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.1);
}

/* Base resets & typography */
body {
    font-family: var(--font-family-base);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: var(--text-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: var(--transition-base);
}

h1, .h1 { font-size: var(--text-3xl) !important; font-family: var(--font-family-display); font-weight: 600; color: var(--text-primary) !important; letter-spacing: -0.02em; }
h2, .h2 { font-size: var(--text-2xl) !important; font-family: var(--font-family-display); font-weight: 600; color: var(--text-primary) !important; letter-spacing: -0.02em; }
h3, .h3 { font-size: var(--text-xl) !important; font-family: var(--font-family-display); font-weight: 600; color: var(--text-primary) !important; letter-spacing: -0.02em; }
h4, .h4 { font-size: var(--text-lg) !important; font-family: var(--font-family-display); font-weight: 600; color: var(--text-primary) !important; letter-spacing: -0.02em; }
h5, .h5 { font-size: var(--text-base) !important; font-family: var(--font-family-display); font-weight: 600; color: var(--text-primary) !important; letter-spacing: -0.02em; }
h6, .h6 { font-size: var(--text-sm) !important; font-family: var(--font-family-display); font-weight: 600; color: var(--text-primary) !important; letter-spacing: -0.01em; }
.display-font { font-family: var(--font-family-display); }

/* Override hardcoded Bootstrap dark text helper so it adapts to high contrast */
.text-dark {
    color: var(--text-primary) !important;
}

/* Text Utilities */
.text-xs { font-size: var(--text-xs) !important; }
.text-sm { font-size: var(--text-sm) !important; }
.text-base { font-size: var(--text-base) !important; }
.text-lg { font-size: var(--text-lg) !important; }
.text-xl { font-size: var(--text-xl) !important; }

.text-primary { color: var(--brand-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--danger) !important; }
.text-info { color: var(--info) !important; }

/* Responsive Spacing Utilities (Override Bootstrap) */
.p-2 { padding: var(--space-2) !important; }
.p-3 { padding: var(--space-3) !important; }
.p-4 { padding: var(--space-4) !important; }
.p-5 { padding: var(--space-6) !important; }

.pt-2, .py-2 { padding-top: var(--space-2) !important; }
.pt-3, .py-3 { padding-top: var(--space-3) !important; }
.pt-4, .py-4 { padding-top: var(--space-4) !important; }
.pt-5, .py-5 { padding-top: var(--space-6) !important; }

.pb-2, .py-2 { padding-bottom: var(--space-2) !important; }
.pb-3, .py-3 { padding-bottom: var(--space-3) !important; }
.pb-4, .py-4 { padding-bottom: var(--space-4) !important; }
.pb-5, .py-5 { padding-bottom: var(--space-6) !important; }

.px-2 { padding-left: var(--space-2) !important; padding-right: var(--space-2) !important; }
.px-3 { padding-left: var(--space-3) !important; padding-right: var(--space-3) !important; }
.px-4 { padding-left: var(--space-4) !important; padding-right: var(--space-4) !important; }
.px-5 { padding-left: var(--space-6) !important; padding-right: var(--space-6) !important; }

.m-2 { margin: var(--space-2) !important; }
.m-3 { margin: var(--space-3) !important; }
.m-4 { margin: var(--space-4) !important; }
.m-5 { margin: var(--space-6) !important; }

.mt-2, .my-2 { margin-top: var(--space-2) !important; }
.mt-3, .my-3 { margin-top: var(--space-3) !important; }
.mt-4, .my-4 { margin-top: var(--space-4) !important; }
.mt-5, .my-5 { margin-top: var(--space-6) !important; }

.mb-2, .my-2 { margin-bottom: var(--space-2) !important; }
.mb-3, .my-3 { margin-bottom: var(--space-3) !important; }
.mb-4, .my-4 { margin-bottom: var(--space-4) !important; }
.mb-5, .my-5 { margin-bottom: var(--space-6) !important; }

.gap-2 { gap: var(--space-2) !important; }
.gap-3 { gap: var(--space-3) !important; }
.gap-4 { gap: var(--space-4) !important; }
.gap-5 { gap: var(--space-6) !important; }

/* Background Utilities */
.bg-surface { background-color: var(--bg-surface) !important; }
.bg-card { background-color: var(--bg-card) !important; }
.bg-main { background-color: var(--bg-main) !important; }

/* Border Utilities */
.border-soft { border-color: var(--border-color) !important; }

/* Card Component */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    color: var(--text-primary);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card-header, .card-footer {
    background-color: transparent;
    border-color: var(--border-color);
    color: var(--text-primary);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

/* Buttons */
.btn {
    border-radius: var(--radius-md);
    padding: 0.625rem 1.25rem;
    font-weight: 500;
    transition: var(--transition-base);
    font-family: var(--font-family-base);
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--brand-primary);
    color: #FFFFFF !important;
    box-shadow: 0 4px 12px var(--brand-primary-light);
}
.btn-primary:hover, .btn-primary:focus {
    background-color: var(--brand-primary-hover);
    color: #FFFFFF !important;
    box-shadow: 0 6px 16px var(--brand-primary-light);
    transform: translateY(-1px);
}

.btn-secondary, .btn-light {
    background-color: var(--bg-surface);
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color);
}
.btn-secondary:hover, .btn-light:hover {
    background-color: var(--bg-card-hover);
    color: var(--text-primary) !important;
    border-color: var(--border-color);
}

/* Forms */
.form-control, .form-select {
    background-color: var(--bg-surface) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    border-radius: var(--radius-md);
    padding: 0.65rem 1rem;
    transition: var(--transition-base);
    font-size: 0.95rem;
}

.form-control:focus, .form-select:focus {
    background-color: var(--bg-card) !important;
    border-color: var(--brand-primary) !important;
    box-shadow: 0 0 0 3px var(--brand-primary-light) !important;
    color: var(--text-primary) !important;
    outline: none;
}

.form-control::placeholder {
    color: var(--text-muted) !important;
    opacity: 0.8;
}

.form-label {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.875rem;
    margin-bottom: 0.375rem;
}

.input-group-text {
    background-color: var(--bg-surface) !important;
    border-color: var(--border-color) !important;
    color: var(--text-secondary) !important;
}

/* Modals */
.modal-content {
    background-color: var(--bg-card) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.modal-header, .modal-footer {
    border-color: var(--border-color) !important;
}

html[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Offcanvas Mobile Menu */
.offcanvas {
    background-color: var(--bg-surface) !important;
    color: var(--text-primary) !important;
}
.offcanvas-header {
    border-bottom: 1px solid var(--border-color);
}
.list-group-item {
    background-color: transparent !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}
.list-group-item:hover {
    background-color: var(--bg-card-hover) !important;
}

/* Tables */
.table {
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

.table th, .table td {
    border-color: var(--border-color) !important;
    color: var(--text-primary);
}

.table-light, thead.table-light, table thead {
    background-color: var(--bg-surface) !important;
    color: var(--text-secondary) !important;
}

.table-light th, thead.table-light th, table thead th {
    background-color: var(--bg-surface) !important;
    color: var(--text-secondary) !important;
    border-bottom: 1px solid var(--border-color) !important;
}

.table-hover tbody tr:hover {
    background-color: var(--bg-card-hover) !important;
    color: var(--text-primary) !important;
}

/* Badges */
.badge {
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 0.75rem;
    letter-spacing: 0.02em;
}
.badge-pending { background-color: rgba(245, 158, 11, 0.15); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-completed { background-color: rgba(34, 197, 94, 0.15); color: var(--success); border: 1px solid rgba(34, 197, 94, 0.3); }
.badge-cancelled { background-color: rgba(239, 68, 68, 0.15); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-in-progress { background-color: rgba(59, 130, 246, 0.15); color: var(--in-progress); border: 1px solid rgba(59, 130, 246, 0.3); }
.badge-waiting { background-color: rgba(139, 92, 246, 0.15); color: var(--waiting); border: 1px solid rgba(139, 92, 246, 0.3); }

/* Dropdown Menus */
.dropdown-menu {
    background-color: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 0.5rem;
}
.dropdown-item {
    color: var(--text-primary) !important;
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem;
}
.dropdown-item:hover {
    background-color: var(--bg-card-hover) !important;
    color: var(--brand-primary) !important;
}
.dropdown-header {
    color: var(--text-muted) !important;
}
.dropdown-divider {
    border-top: 1px solid var(--border-color) !important;
}

/* Alerts */
.alert-warning {
    background-color: rgba(245, 158, 11, 0.12) !important;
    border: 1px solid rgba(245, 158, 11, 0.3) !important;
    color: #FCD34D !important;
}
.alert-warning .text-dark, .alert-warning h6, .alert-warning p, .alert-warning a {
    color: #FCD34D !important;
}

/* -------------------------------------
 *  Responsive Grid Utilities 
 * ------------------------------------- */

/* Cards Grid */
.grid-responsive-cards {
    display: grid;
    gap: var(--space-4);
    /* Mobile: 1 card, Tablet: 2 cards, Desktop: 4-5 cards */
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
}

/* Larger Cards (e.g. settings panels, detailed widgets) */
.grid-responsive-cards-lg {
    display: grid;
    gap: var(--space-4);
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 350px), 1fr));
}

/* Forms Grid */
.grid-responsive-form {
    display: grid;
    gap: var(--space-3);
    grid-template-columns: 1fr;
}
@media (min-width: 768px) {
    .grid-responsive-form.cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid-responsive-form.cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (min-width: 1024px) {
    .grid-responsive-form.cols-lg-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    .grid-responsive-form.cols-lg-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Responsive Images */
.img-fluid-responsive {
    max-width: 100%;
    height: auto;
    object-fit: cover;
}

/* Dashboard Charts Container */
.chart-container-responsive {
    position: relative;
    width: 100%;
    min-height: 250px;
    height: 100%;
}

/* Global utility for horizontal scroll in tables on small screens */
.table-responsive-custom {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    /* Hide scrollbar visually but keep functionality if desired */
}
.table-responsive-custom::-webkit-scrollbar {
    height: 6px;
}

/* Form controls sizing for mobile touch target */
@media (max-width: 767.98px) {
    .btn, .form-control, .form-select, .input-group-text {
        min-height: 44px; /* Touch friendly */
    }
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    .btn.btn-sm, .btn-icon-only {
        width: auto;
    }
    /* Buttons in input groups shouldn't span full width */
    .input-group .btn {
        width: auto;
        margin-bottom: 0;
    }
    /* Fix label overlap and spacing */
    .form-label {
        margin-bottom: 0.5rem;
    }
}