/* ============================================================
   BULDUK — Shared Listing Design System
   Version 2.0 | Premium Design
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
    --c-primary:       #2563eb;
    --c-primary-dark:  #1d4ed8;
    --c-primary-50:    #eff6ff;
    --c-primary-100:   #dbeafe;
    --c-accent:        #f59e0b;
    --c-accent-dark:   #d97706;
    --c-success:       #059669;
    --c-danger:        #dc2626;

    --c-white:   #ffffff;
    --c-gray-50: #f8fafc;
    --c-gray-100:#f1f5f9;
    --c-gray-200:#e2e8f0;
    --c-gray-300:#cbd5e1;
    --c-gray-400:#94a3b8;
    --c-gray-500:#64748b;
    --c-gray-600:#475569;
    --c-gray-700:#334155;
    --c-gray-800:#1e293b;
    --c-gray-900:#0f172a;

    --font: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius:    10px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
    --shadow:    0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.18);

    --container: 1280px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: var(--font);
    background: var(--c-gray-100);
    color: var(--c-gray-900);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.bk-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Listing Card ---------- */
.bk-card {
    display: flex;
    flex-direction: column;
    background: var(--c-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    color: inherit;
    transition: transform 0.22s ease, box-shadow 0.22s ease;
    position: relative;
}

.bk-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    text-decoration: none;
    color: inherit;
}

/* Image */
.bk-card__img {
    position: relative;
    height: 210px;
    overflow: hidden;
    background: var(--c-gray-100);
    flex-shrink: 0;
}

.bk-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
    display: block;
}

.bk-card:hover .bk-card__img img { transform: scale(1.06); }

.bk-card__img-placeholder {
    width: 100%;
    height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--c-gray-100), var(--c-gray-200));
    color: var(--c-gray-300);
    font-size: 40px;
}

/* Badges */
.bk-card__badge {
    position: absolute;
    top: 12px;
    left: 12px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 11px;
    border-radius: var(--radius-full);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    backdrop-filter: blur(8px);
    z-index: 2;
}

.bk-card__badge--featured {
    background: rgba(245,158,11,0.92);
    color: #fff;
    box-shadow: 0 2px 8px rgba(245,158,11,0.4);
}

.bk-card__badge--new {
    background: rgba(5,150,105,0.92);
    color: #fff;
    box-shadow: 0 2px 8px rgba(5,150,105,0.4);
}

/* Favorite */
.bk-card__fav {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 15px;
    transition: all 0.2s ease;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}

.bk-card__fav:hover {
    background: #fff;
    transform: scale(1.12);
    box-shadow: 0 4px 12px rgba(0,0,0,0.16);
}

/* Body */
.bk-card__body {
    padding: 16px 18px 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.bk-card__cat {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    align-self: flex-start;
    background: var(--c-primary-50);
    color: var(--c-primary);
    letter-spacing: 0.2px;
}

.bk-card__title {
    font-size: 14.5px;
    font-weight: 700;
    color: var(--c-gray-900);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.15s;
}

.bk-card:hover .bk-card__title { color: var(--c-primary); }

.bk-card__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 10px;
    border-top: 1px solid var(--c-gray-100);
    gap: 8px;
    font-size: 12px;
    color: var(--c-gray-400);
    flex-wrap: wrap;
}

.bk-card__meta-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.bk-card__meta-item i { font-size: 12px; }

/* ---------- List View Card ---------- */
.bk-card--list {
    flex-direction: row;
    height: 120px;
    border-radius: var(--radius);
}

.bk-card--list:hover { transform: translateX(3px) translateY(-2px); }

.bk-card--list .bk-card__img {
    width: 160px;
    height: 100%;
    flex-shrink: 0;
    border-radius: 0;
}

.bk-card--list .bk-card__body {
    padding: 14px 18px;
    justify-content: center;
    gap: 6px;
}

.bk-card--list .bk-card__meta {
    padding-top: 6px;
    margin-top: 4px;
}

.bk-card--list .bk-card__title { -webkit-line-clamp: 1; font-size: 15px; }

.bk-card--list .bk-card__fav {
    top: 50%;
    right: 14px;
    transform: translateY(-50%);
}

.bk-card--list .bk-card__fav:hover { transform: translateY(-50%) scale(1.12); }

/* ---------- Cards Grid ---------- */
.bk-grid {
    display: grid;
    gap: 20px;
}

.bk-grid--4 { grid-template-columns: repeat(4, 1fr); }
.bk-grid--3 { grid-template-columns: repeat(3, 1fr); }

/* ---------- Section Common ---------- */
.bk-section { padding: 56px 0; }
.bk-section--sm { padding: 40px 0; }
.bk-section--white { background: var(--c-white); }
.bk-section--gray  { background: var(--c-gray-100); }

.bk-section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 28px;
    gap: 16px;
    flex-wrap: wrap;
}

.bk-section-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--c-gray-900);
    display: flex;
    align-items: center;
    gap: 10px;
}

.bk-section-subtitle {
    font-size: 13px;
    color: var(--c-gray-500);
    margin-top: 3px;
    font-weight: 400;
}

.bk-more-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--c-primary);
    text-decoration: none;
    padding: 8px 16px;
    border: 1.5px solid var(--c-primary-100);
    border-radius: var(--radius-full);
    background: var(--c-primary-50);
    transition: all 0.18s;
    white-space: nowrap;
}

.bk-more-link:hover {
    background: var(--c-primary);
    border-color: var(--c-primary);
    color: var(--c-white);
    text-decoration: none;
    gap: 10px;
}

/* ---------- Empty State ---------- */
.bk-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 64px 24px;
    color: var(--c-gray-500);
}

.bk-empty i { font-size: 52px; color: var(--c-gray-300); margin-bottom: 16px; display: block; }
.bk-empty h3 { font-size: 18px; font-weight: 700; color: var(--c-gray-700); margin-bottom: 8px; }
.bk-empty p { font-size: 14px; margin-bottom: 20px; }

/* ---------- Buttons ---------- */
.bk-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.18s ease;
    white-space: nowrap;
}

.bk-btn--primary {
    background: var(--c-primary);
    color: var(--c-white);
    border-color: var(--c-primary);
}
.bk-btn--primary:hover {
    background: var(--c-primary-dark);
    border-color: var(--c-primary-dark);
    color: var(--c-white);
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(37,99,235,0.35);
}

.bk-btn--outline {
    background: transparent;
    color: var(--c-primary);
    border-color: var(--c-primary);
}
.bk-btn--outline:hover {
    background: var(--c-primary);
    color: var(--c-white);
    text-decoration: none;
    transform: translateY(-1px);
}

.bk-btn--lg { padding: 15px 32px; font-size: 15px; border-radius: var(--radius-md); }
.bk-btn--sm { padding: 7px 14px; font-size: 12px; border-radius: var(--radius-sm); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
    .bk-grid--4 { grid-template-columns: repeat(2, 1fr); }
    .bk-grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .bk-grid--4, .bk-grid--3 { grid-template-columns: 1fr; }
    .bk-section { padding: 40px 0; }
    .bk-container { padding: 0 16px; }
}