/* =====================================================
   INRIX - Clean Professional Design System
   B2B SaaS for Warehouse & Logistics
   ===================================================== */

/* ===== CSS VARIABLES ===== */
:root {
    /* Colors - Light Professional Theme */
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;

    /* Primary - Professional Blue */
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #3b82f6;
    --color-primary-50: #eff6ff;
    --color-primary-100: #dbeafe;

    /* Semantic Colors */
    --success-color: #10b981;
    --success-light: #d1fae5;
    --danger-color: #ef4444;
    --danger-light: #fee2e2;
    --warning-color: #f59e0b;
    --warning-light: #fef3c7;
    --info-color: #0ea5e9;
    --info-light: #e0f2fe;

    /* Typography */
    --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Lexend', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Layout */
    --sidebar-width: 260px;
    --header-height: 64px;

    /* Legacy support - map to new variables */
    --bg-primary: var(--color-white);
    --bg-secondary: var(--color-gray-50);
    --bg-tertiary: var(--color-gray-100);
    --bg-elevated: var(--color-white);
    --surface: var(--color-white);
    --accent-primary: var(--color-primary);
    --accent-primary-hover: var(--color-primary-dark);
    --accent-primary-muted: var(--color-primary-100);
    --accent-gradient: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    --text-primary: var(--color-gray-900);
    --text-secondary: var(--color-gray-600);
    --text-muted: var(--color-gray-500);
    --border-color: var(--color-gray-200);
    --border-hover: var(--color-gray-300);
}

/* ===== BASE STYLES ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-gray-50);
    margin: 0;
    padding: 0;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-gray-900);
    line-height: 1.3;
    margin-bottom: 0.5em;
}

h1, .h1 { font-size: 2.25rem; font-weight: 700; }
h2, .h2 { font-size: 1.875rem; font-weight: 700; }
h3, .h3 { font-size: 1.5rem; }
h4, .h4 { font-size: 1.25rem; }
h5, .h5 { font-size: 1.125rem; }
h6, .h6 { font-size: 1rem; }

.display-1 { font-size: 3.5rem; font-weight: 700; line-height: 1.1; }
.display-2 { font-size: 3rem; font-weight: 700; line-height: 1.1; }
.display-3 { font-size: 2.5rem; font-weight: 700; line-height: 1.2; }
.display-4 { font-size: 2rem; font-weight: 600; line-height: 1.2; }
.display-5 { font-size: 1.75rem; font-weight: 600; line-height: 1.2; }
.display-6 { font-size: 1.5rem; font-weight: 600; line-height: 1.3; }

.lead {
    font-size: 1.125rem;
    font-weight: 400;
    color: var(--color-gray-600);
    line-height: 1.7;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.5;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-primary-100);
}

/* Primary Button */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Outline Primary */
.btn-outline-primary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline-primary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-1px);
}

/* Secondary Button */
.btn-secondary {
    background-color: var(--color-gray-100);
    color: var(--color-gray-700);
    border-color: var(--color-gray-200);
}

.btn-secondary:hover {
    background-color: var(--color-gray-200);
    color: var(--color-gray-800);
}

/* Success, Danger, etc. */
.btn-success {
    background-color: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

.btn-success:hover {
    background-color: #059669;
    border-color: #059669;
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
}

.btn-danger:hover {
    background-color: #dc2626;
    border-color: #dc2626;
    color: white;
    transform: translateY(-1px);
}

.btn-warning {
    background-color: var(--warning-color);
    color: var(--color-gray-900);
    border-color: var(--warning-color);
}

.btn-warning:hover {
    background-color: #d97706;
    border-color: #d97706;
    color: var(--color-gray-900);
}

.btn-info {
    background-color: var(--info-color);
    color: white;
    border-color: var(--info-color);
}

.btn-info:hover {
    background-color: #0284c7;
    border-color: #0284c7;
    color: white;
}

.btn-light {
    background-color: var(--color-white);
    color: var(--color-gray-700);
    border-color: var(--color-gray-200);
}

.btn-light:hover {
    background-color: var(--color-gray-50);
    color: var(--color-gray-800);
}

/* Button Sizes */
.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: 0.8125rem;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ===== CARDS ===== */
.card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.card-header {
    background-color: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
    padding: 1rem 1.25rem;
    font-weight: 600;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card-body {
    padding: 1.25rem;
}

.card-footer {
    background-color: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-200);
    padding: 1rem 1.25rem;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.card-title {
    font-family: var(--font-heading);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

/* Colored stat cards */
.card.text-white.bg-primary,
.card.bg-primary {
    background-color: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
}

.card.text-white.bg-success,
.card.bg-success {
    background-color: var(--success-color) !important;
    border-color: var(--success-color) !important;
}

.card.text-white.bg-info,
.card.bg-info {
    background-color: var(--info-color) !important;
    border-color: var(--info-color) !important;
}

.card.text-white.bg-warning,
.card.bg-warning {
    background-color: var(--warning-color) !important;
    border-color: var(--warning-color) !important;
}

.card.text-white.bg-danger,
.card.bg-danger {
    background-color: var(--danger-color) !important;
    border-color: var(--danger-color) !important;
}

.card.text-white .card-footer {
    background-color: rgba(0, 0, 0, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.card.text-white .card-footer a {
    color: rgba(255, 255, 255, 0.9) !important;
}

/* ===== FORMS ===== */
.form-control,
.form-select {
    display: block;
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control::placeholder {
    color: var(--color-gray-400);
}

.form-control:hover {
    border-color: var(--color-gray-400);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-100);
    outline: none;
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 0.375rem;
    font-size: 0.875rem;
}

.form-text {
    color: var(--color-gray-500);
    font-size: 0.8125rem;
    margin-top: 0.25rem;
}

/* Validation */
.form-control.is-invalid {
    border-color: var(--danger-color);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px var(--danger-light);
}

.invalid-feedback,
.text-danger {
    color: var(--danger-color) !important;
    font-size: 0.8125rem;
}

/* Checkboxes */
.form-check-input {
    width: 1.125rem;
    height: 1.125rem;
    margin-top: 0.125rem;
    border: 1px solid var(--color-gray-300);
    border-radius: 0.25rem;
    transition: all var(--transition-fast);
}

.form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px var(--color-primary-100);
    border-color: var(--color-primary);
}

.form-check-label {
    color: var(--color-gray-700);
    margin-left: 0.25rem;
}

/* ===== TABLES ===== */
.table {
    width: 100%;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-gray-200);
}

.table-responsive {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.table thead th {
    background-color: var(--color-gray-50);
    color: var(--color-gray-600);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.table tbody tr {
    border-bottom: 1px solid var(--color-gray-100);
    transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
    background-color: var(--color-gray-50);
}

.table tbody tr:last-child {
    border-bottom: none;
}

.table td {
    padding: 0.875rem 1rem;
    color: var(--color-gray-700);
    vertical-align: middle;
}

/* ===== ALERTS ===== */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    border-left-width: 4px;
}

.alert-success {
    background-color: var(--success-light);
    border-color: var(--success-color);
    color: #065f46;
}

.alert-danger {
    background-color: var(--danger-light);
    border-color: var(--danger-color);
    color: #991b1b;
}

.alert-warning {
    background-color: var(--warning-light);
    border-color: var(--warning-color);
    color: #92400e;
}

.alert-info {
    background-color: var(--info-light);
    border-color: var(--info-color);
    color: #075985;
}

.alert a {
    color: inherit;
    font-weight: 600;
    text-decoration: underline;
}

.alert-heading {
    font-family: var(--font-heading);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* ===== BADGES ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25em 0.625em;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.bg-primary { background-color: var(--color-primary) !important; }
.bg-success { background-color: var(--success-color) !important; }
.bg-danger { background-color: var(--danger-color) !important; }
.bg-warning { background-color: var(--warning-color) !important; color: var(--color-gray-900) !important; }
.bg-info { background-color: var(--info-color) !important; }
.bg-secondary { background-color: var(--color-gray-500) !important; }

/* ===== MODALS ===== */
.modal-content {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    border-bottom: 1px solid var(--color-gray-200);
    padding: 1.25rem 1.5rem;
}

.modal-title {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-gray-900);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--color-gray-200);
    padding: 1rem 1.5rem;
}

.btn-close {
    opacity: 0.5;
}

.btn-close:hover {
    opacity: 0.8;
}

/* ===== TOASTS ===== */
.toast {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.toast-body {
    padding: 0.875rem 1rem;
}

.toast.text-bg-success { background-color: var(--success-color) !important; border-color: var(--success-color) !important; }
.toast.text-bg-danger { background-color: var(--danger-color) !important; border-color: var(--danger-color) !important; }
.toast.text-bg-warning { background-color: var(--warning-color) !important; border-color: var(--warning-color) !important; color: var(--color-gray-900) !important; }
.toast.text-bg-info { background-color: var(--info-color) !important; border-color: var(--info-color) !important; }

/* ===== ACCORDION ===== */
.accordion-item {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md) !important;
    margin-bottom: 0.5rem;
    overflow: hidden;
}

.accordion-button {
    background-color: var(--color-white);
    color: var(--color-gray-800);
    font-weight: 600;
    padding: 1rem 1.25rem;
}

.accordion-button:not(.collapsed) {
    background-color: var(--color-gray-50);
    color: var(--color-primary);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: var(--color-gray-200);
}

.accordion-body {
    padding: 1.25rem;
    color: var(--color-gray-600);
}

/* ===== PROGRESS ===== */
.progress {
    background-color: var(--color-gray-200);
    border-radius: var(--radius-sm);
    height: 0.5rem;
}

.progress-bar {
    background-color: var(--color-primary);
}

/* ===== APP LAYOUT ===== */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--color-white);
    border-right: 1px solid var(--color-gray-200);
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sidebar-brand {
    padding: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--color-gray-200);
}

.sidebar-brand img {
    height: 36px;
    width: auto;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
}

.sidebar-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    margin: 0.125rem 0.75rem;
    color: var(--color-gray-600) !important;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
}

.sidebar-nav-item svg {
    width: 20px;
    height: 20px;
    opacity: 0.7;
}

.sidebar-nav-item:hover {
    background-color: var(--color-gray-100);
    color: var(--color-gray-900) !important;
}

.sidebar-nav-item:hover svg {
    opacity: 1;
}

.sidebar-nav-item.active {
    background-color: var(--color-primary-50);
    color: var(--color-primary) !important;
    font-weight: 600;
}

.sidebar-nav-item.active svg {
    opacity: 1;
}

.sidebar-nav-item .badge {
    margin-left: auto;
}

.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--color-gray-200);
    background-color: var(--color-gray-50);
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
    background-color: var(--color-gray-50);
}

.top-navbar {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    padding: 1rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.content-wrapper {
    padding: 1.5rem;
    max-width: 1400px;
}

/* ===== UTILITIES ===== */
.text-muted { color: var(--color-gray-500) !important; }
.text-primary { color: var(--color-primary) !important; }
.border { border-color: var(--color-gray-200) !important; }
.bg-light { background-color: var(--color-gray-50) !important; }
.shadow { box-shadow: var(--shadow-md) !important; }
.rounded { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }

/* ===== MOBILE RESPONSIVE ===== */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1100;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    padding: 0.5rem;
    box-shadow: var(--shadow-md);
    cursor: pointer;
}

.mobile-menu-toggle svg {
    width: 24px;
    height: 24px;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.sidebar-overlay.active {
    display: block;
}

@media (max-width: 1024px) {
    .content-wrapper {
        padding: 1.25rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-slow);
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .top-navbar {
        padding-left: 4rem;
    }

    .content-wrapper {
        padding: 1rem;
    }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gray-300);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-400);
}

/* ===== FOCUS STATES ===== */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ===== PRINT ===== */
@media print {
    .sidebar, .top-navbar, .mobile-menu-toggle {
        display: none !important;
    }
    .main-content {
        margin-left: 0;
    }
}