/* ==========================================================================
   Kukiranguzo Marketplace — Custom Styles
   Modern, clean design with smooth animations and rich interactions
   ========================================================================== */

/* ---------- Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ---------- Root Variables ---------- */
:root {
    --brand: #29b34b;
    --brand-dark: #1e8f3a;
    --brand-light: #e8f7ec;
    --dark: #1a1a2e;
    --dark-2: #16213e;
    --gray-50: #f8f9fa;
    --gray-100: #f1f3f5;
    --gray-200: #e9ecef;
    --gray-500: #adb5bd;
    --gray-700: #495057;
    --success: #27ae60;
    --warning: #f39c12;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,.12);
    --radius: 12px;
    --radius-lg: 16px;
    --transition: .25s cubic-bezier(.4,0,.2,1);
}

/* ---------- Global ---------- */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #333;
    -webkit-font-smoothing: antialiased;
}

::selection { background: var(--brand-light); color: var(--brand-dark); }

/* ---------- Navbar ---------- */
.navbar {
    padding: .8rem 0;
    backdrop-filter: blur(12px);
    background: rgba(255,255,255,.95) !important;
    border-bottom: 1px solid var(--gray-200);
    transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-md); }
.navbar-brand {
    font-size: 1.5rem;
    letter-spacing: -.5px;
    background: linear-gradient(135deg, var(--brand), var(--brand-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.nav-link {
    font-weight: 500;
    font-size: .9rem;
    color: var(--gray-700) !important;
    transition: color var(--transition);
    padding: .5rem .8rem !important;
}
.nav-link:hover { color: var(--brand) !important; }
.navbar .form-control {
    border-radius: 20px;
    border: 2px solid var(--gray-200);
    font-size: .85rem;
    transition: border-color var(--transition);
}
.navbar .form-control:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-light); }
.navbar .badge {
    font-size: .65rem;
    padding: .3em .55em;
}

/* ---------- Hero / Carousel ---------- */
.hero-section {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(41,179,75,.15) 0%, transparent 70%);
    border-radius: 50%;
}
.carousel-item { padding: 3rem 0; }

/* ---------- Cards ---------- */
.card {
    border: none;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
    overflow: hidden;
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.card-img-top {
    transition: transform var(--transition);
}
.card:hover .card-img-top {
    transform: scale(1.05);
}
.card .card-img-top { border-radius: var(--radius) var(--radius) 0 0; }

/* Product card badge */
.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
}

/* ---------- Buttons ---------- */
.btn {
    font-weight: 600;
    font-size: .875rem;
    border-radius: 8px;
    padding: .55rem 1.25rem;
    transition: all var(--transition);
    letter-spacing: .2px;
}
.btn-danger {
    background: linear-gradient(135deg, var(--brand), var(--brand-dark));
    border: none;
    box-shadow: 0 4px 14px rgba(41,179,75,.35);
}
.btn-danger:hover {
    background: linear-gradient(135deg, var(--brand-dark), #176d2e);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(41,179,75,.45);
}
.btn-outline-danger {
    border: 2px solid var(--brand);
    font-weight: 600;
}
.btn-outline-danger:hover {
    background: var(--brand);
    border-color: var(--brand);
    transform: translateY(-1px);
}
.btn-lg { padding: .75rem 2rem; font-size: 1rem; }

/* ---------- Section Headings ---------- */
.section-title {
    font-weight: 800;
    letter-spacing: -.5px;
    position: relative;
    display: inline-block;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--brand), var(--brand-dark));
    border-radius: 2px;
}

/* ---------- Category Cards ---------- */
.category-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 1.5rem 1rem;
    text-align: center;
    transition: all var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
}
.category-card:hover {
    border-color: var(--brand);
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.category-card .icon-wrap {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--brand-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto .75rem;
    transition: background var(--transition);
}
.category-card:hover .icon-wrap {
    background: var(--brand);
}
.category-card:hover .icon-wrap i { color: #fff !important; }
.category-card h6 { font-weight: 600; font-size: .9rem; }

/* ---------- Footer ---------- */
footer {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%) !important;
}
footer h5 { font-weight: 700; margin-bottom: 1rem; }
footer a { transition: color var(--transition); }
footer a:hover { color: var(--brand) !important; }
footer .form-control {
    border-radius: 20px 0 0 20px;
    border: none;
    font-size: .85rem;
}
footer .btn-danger {
    border-radius: 0 20px 20px 0;
}

/* ---------- Login / Auth ---------- */
.auth-card {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}
.auth-card .card-header-custom {
    background: linear-gradient(135deg, var(--brand), var(--brand-dark));
    padding: 2rem;
    text-align: center;
    color: #fff;
}
.auth-card .form-control {
    border-radius: 8px;
    border: 2px solid var(--gray-200);
    padding: .6rem 1rem;
    transition: border-color var(--transition);
}
.auth-card .form-control:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px var(--brand-light);
}

/* ---------- Product Detail ---------- */
.product-detail-img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition);
}
.product-detail-img:hover { transform: scale(1.02); }
.variant-select {
    border-radius: 8px;
    border: 2px solid var(--gray-200);
    padding: .5rem;
    transition: border-color var(--transition);
}
.variant-select:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-light); }

/* ---------- Cart ---------- */
.cart-table th { font-size: .8rem; text-transform: uppercase; letter-spacing: .5px; color: var(--gray-500); }
.cart-table td { vertical-align: middle; }
.cart-total-card {
    background: linear-gradient(135deg, var(--gray-50), #fff);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
}

/* ---------- Checkout ---------- */
.checkout-card {
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--brand);
}

/* ---------- Star Ratings ---------- */
.text-warning i { transition: transform .15s; }
.text-warning i:hover { transform: scale(1.2); }

/* ---------- Animations ---------- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp .6s ease forwards; }
.fade-in-up-delay-1 { animation-delay: .1s; opacity: 0; }
.fade-in-up-delay-2 { animation-delay: .2s; opacity: 0; }
.fade-in-up-delay-3 { animation-delay: .3s; opacity: 0; }

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ---------- Stat Cards (Admin / Seller) ---------- */
.stat-card {
    border-radius: var(--radius-lg) !important;
    border: none !important;
    overflow: hidden;
    position: relative;
}
.stat-card::after {
    content: '';
    position: absolute;
    top: -30%;
    right: -15%;
    width: 120px;
    height: 120px;
    background: rgba(255,255,255,.1);
    border-radius: 50%;
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

/* ---------- Sidebar Enhancement ---------- */
.sidebar .nav-link {
    position: relative;
    transition: all var(--transition);
}
.sidebar .nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: #fff;
    border-radius: 0 3px 3px 0;
    transition: height var(--transition);
}
.sidebar .nav-link:hover::before,
.sidebar .nav-link.active::before {
    height: 60%;
}

/* ---------- Empty States ---------- */
.empty-state {
    padding: 4rem 2rem;
    text-align: center;
}
.empty-state i {
    font-size: 4rem;
    color: var(--gray-500);
    margin-bottom: 1rem;
    opacity: .5;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
    background: transparent;
    padding: 0;
    font-size: .85rem;
}
.breadcrumb-item a { color: var(--brand); text-decoration: none; }
.breadcrumb-item a:hover { text-decoration: underline; }

/* ---------- Dropdown ---------- */
.dropdown-menu {
    border: none;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius);
    padding: .5rem;
    animation: fadeInUp .2s ease;
}
.dropdown-item {
    border-radius: 6px;
    font-size: .9rem;
    padding: .5rem 1rem;
    transition: all var(--transition);
}
.dropdown-item:hover {
    background: var(--brand-light);
    color: var(--brand);
}

/* ---------- Toast / Alerts ---------- */
.alert {
    border-radius: var(--radius);
    border: none;
    font-size: .9rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .hero-section { padding: 2rem 0; }
    .section-title { font-size: 1.4rem; }
    .sidebar { width: 200px !important; }
    .main-content { margin-left: 200px !important; }
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--gray-500); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-700); }

/* ---------- Image overlay for product cards ---------- */
.product-card-wrap { position: relative; overflow: hidden; }
.product-card-wrap .overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
}
.product-card-wrap:hover .overlay { opacity: 1; }
.overlay .btn { transform: translateY(10px); transition: transform var(--transition); }
.product-card-wrap:hover .overlay .btn { transform: translateY(0); }

/* ---------- Table Enhancement ---------- */
.table thead th {
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--gray-500);
    border-bottom: 2px solid var(--gray-200);
}
.table-hover tbody tr:hover { background-color: var(--brand-light); }

/* ---------- Feature badges ---------- */
.feature-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: .25rem .6rem;
    border-radius: 20px;
    font-size: .75rem;
    font-weight: 600;
}
.feature-badge-success { background: #e8f8f0; color: var(--success); }
.feature-badge-warning { background: #fef5e7; color: var(--warning); }
.feature-badge-danger { background: var(--brand-light); color: var(--brand); }