/**
 * FortiLabs Market - Main Stylesheet
 * Mobile-first responsive design
 */

/* =====================================================
   CSS VARIABLES
   ===================================================== */
:root {
    /* Primary Colors */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;

    /* Secondary Colors */
    --secondary: #64748b;
    --secondary-dark: #475569;
    --secondary-light: #94a3b8;

    /* Status Colors */
    --success: #10b981;
    --success-dark: #059669;
    --warning: #f59e0b;
    --warning-dark: #d97706;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --info: #0ea5e9;
    --info-dark: #0284c7;

    /* Neutral Colors */
    --dark: #1e293b;
    --darker: #0f172a;
    --light: #f8fafc;
    --lighter: #ffffff;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

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

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: var(--line-height-base);
    color: var(--gray-800);
    background-color: var(--gray-100);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* =====================================================
   TYPOGRAPHY
   ===================================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-top: 0;
    color: var(--dark);
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.75rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.125rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-top: 0;
    margin-bottom: 1rem;
}

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

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

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.5rem 1.25rem;
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.btn:focus {
    outline: 0;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
}

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

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

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

.btn-outline-primary:hover {
    color: #fff;
    background-color: var(--primary);
}

.btn-lg {
    min-height: 52px;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

.btn-sm {
    min-height: 36px;
    padding: 0.375rem 1rem;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
}

/* =====================================================
   FORMS
   ===================================================== */
.form-control {
    display: block;
    width: 100%;
    min-height: 44px;
    padding: 0.5rem 1rem;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--gray-800);
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    appearance: none;
}

.form-control:focus {
    color: var(--gray-800);
    background-color: #fff;
    border-color: var(--primary);
    outline: 0;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-control::placeholder {
    color: var(--gray-400);
    opacity: 1;
}

.form-label {
    display: inline-block;
    margin-bottom: 0.375rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-700);
}

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

.form-check-input {
    width: 1.125rem;
    height: 1.125rem;
    margin-top: 0.125rem;
    cursor: pointer;
}

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

.input-group-text {
    min-height: 44px;
    background-color: var(--gray-100);
    border-color: var(--gray-300);
    color: var(--gray-500);
}

/* =====================================================
   CARDS
   ===================================================== */
.card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    word-wrap: break-word;
    background-color: #fff;
    background-clip: border-box;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

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

.card-body {
    flex: 1 1 auto;
    padding: 1.25rem;
}

.card-title {
    margin-bottom: 0.75rem;
    font-size: 1.125rem;
    font-weight: 600;
}

.card-text {
    color: var(--gray-600);
}

/* =====================================================
   BADGES
   ===================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.35em 0.65em;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: var(--radius-sm);
}

.badge-verified {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
}

.badge-verified::before {
    content: "\f058";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    margin-right: 0.25rem;
}

/* =====================================================
   NAVBAR OVERRIDES
   ===================================================== */
.navbar {
    min-height: 56px;
}

.navbar-brand img {
    height: 36px;
}

.navbar-nav .nav-link {
    padding: 0.5rem 1rem;
    font-weight: 500;
}

/* =====================================================
   MOBILE-FIRST UTILITIES
   ===================================================== */
.container {
    width: 100%;
    padding-right: 1rem;
    padding-left: 1rem;
    margin-right: auto;
    margin-left: auto;
}

@media (min-width: 576px) {
    .container {
        max-width: 540px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
}

@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}

@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}

/* =====================================================
   LISTING CARDS
   ===================================================== */
.listing-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.listing-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.listing-card .card-img-top {
    height: 160px;
    object-fit: cover;
    background-color: var(--gray-200);
}

.listing-card .card-body {
    padding: 1rem;
}

.listing-card .listing-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.listing-card .listing-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.listing-card .listing-category {
    font-size: 0.75rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* =====================================================
   EMPTY STATES
   ===================================================== */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
}

.empty-state img {
    max-width: 200px;
    margin-bottom: 1.5rem;
    opacity: 0.8;
}

.empty-state h5 {
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--gray-500);
    max-width: 400px;
    margin: 0 auto 1.5rem;
}

/* =====================================================
   LOADING STATES
   ===================================================== */
.loading-spinner {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid var(--gray-300);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.skeleton {
    background: linear-gradient(90deg,
            var(--gray-200) 25%,
            var(--gray-300) 50%,
            var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
    background-color: var(--dark);
    color: var(--gray-300);
    padding: 3rem 0 1.5rem;
    margin-top: auto;
}

.footer a {
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

.footer a:hover {
    color: #fff;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

/* =====================================================
   RESPONSIVE UTILITIES
   ===================================================== */
@media (max-width: 575.98px) {
    html {
        font-size: 14px;
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    .btn-lg {
        width: 100%;
    }

    .navbar-brand span {
        display: none !important;
    }
}

/* =====================================================
   PRINT STYLES
   ===================================================== */
@media print {

    .navbar,
    .footer,
    .btn,
    .mobile-nav {
        display: none !important;
    }

    body {
        font-size: 12pt;
        color: #000;
        background: #fff;
    }
}