:root {
    --bg: #f5efe4;
    --bg-soft: #fbf7f0;
    --surface: rgba(255, 255, 255, 0.88);
    --surface-strong: #ffffff;
    --text: #18232f;
    --muted: #64748b;
    --line: rgba(24, 35, 47, 0.08);
    --primary: #0f766e;
    --primary-deep: #115e59;
    --accent: #c2410c;
    --accent-soft: rgba(194, 65, 12, 0.12);
    --success: #166534;
    --danger: #b91c1c;
    --shadow: 0 30px 80px rgba(15, 23, 42, 0.08);
    --radius: 24px;
    --radius-sm: 16px;
    --container: 1180px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", "Helvetica Neue", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(15, 118, 110, 0.12), transparent 28%),
        radial-gradient(circle at top right, rgba(194, 65, 12, 0.12), transparent 24%),
        linear-gradient(180deg, #faf7f2 0%, #f4ecdf 100%);
    color: var(--text);
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
}

.container {
    width: min(calc(100% - 32px), var(--container));
    margin: 0 auto;
}

.site-header,
.site-footer {
    padding: 20px 0;
}

.site-header .bar,
.site-footer .bar,
.admin-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.brand-badge {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    font-weight: 800;
}

.nav-links,
.admin-nav {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn,
button,
input[type="submit"] {
    border: 0;
    border-radius: 999px;
    padding: 12px 20px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover,
button:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-deep));
    color: #fff;
    box-shadow: 0 14px 28px rgba(15, 118, 110, 0.25);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.8);
    color: var(--text);
    border: 1px solid var(--line);
}

.btn-link {
    color: var(--primary);
    padding: 0;
    background: transparent;
}

.hero {
    padding: 44px 0 28px;
}

.hero-panel,
.section-panel,
.card,
.stat-card,
.filter-card,
.detail-panel,
.admin-card,
.login-card {
    background: var(--surface);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.75);
    box-shadow: var(--shadow);
    border-radius: var(--radius);
}

.hero-panel {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 28px;
    padding: 32px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(15, 118, 110, 0.12);
    color: var(--primary-deep);
    font-size: 0.92rem;
    font-weight: 700;
}

h1,
h2,
h3 {
    margin-top: 0;
    line-height: 1.05;
}

h1 {
    font-size: clamp(2.2rem, 4vw, 4.4rem);
    margin: 18px 0;
}

h2 {
    font-size: clamp(1.5rem, 2vw, 2.3rem);
    margin-bottom: 16px;
}

.lead {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--muted);
}

.hero-metrics,
.stats-grid,
.property-grid,
.admin-stats {
    display: grid;
    gap: 18px;
}

.hero-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 24px;
}

.metric,
.stat-card {
    padding: 18px;
    background: rgba(255, 255, 255, 0.72);
    border-radius: 20px;
}

.metric strong,
.stat-card strong {
    display: block;
    font-size: 1.6rem;
    margin-bottom: 6px;
}

.search-form,
.filters-form,
.admin-filters {
    display: grid;
    gap: 16px;
}

.search-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.search-form .full,
.filters-form .full,
.admin-filters .full {
    grid-column: 1 / -1;
}

label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 8px;
    color: var(--muted);
    font-weight: 700;
}

input,
select,
textarea {
    width: 100%;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.86);
    padding: 14px 16px;
    font: inherit;
    color: var(--text);
}

.section {
    padding: 28px 0 12px;
}

.section-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: end;
    margin-bottom: 18px;
}

.property-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
    padding: 22px;
}

.card-top {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: start;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: 999px;
    padding: 8px 12px;
    font-size: 0.82rem;
    font-weight: 700;
}

.pill-primary {
    background: rgba(15, 118, 110, 0.12);
    color: var(--primary-deep);
}

.pill-accent {
    background: var(--accent-soft);
    color: var(--accent);
}

.price {
    font-size: 1.8rem;
    font-weight: 800;
    margin: 16px 0 8px;
}

.meta,
.detail-meta,
.muted {
    color: var(--muted);
}

.meta-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin: 18px 0;
}

.meta-box {
    padding: 14px;
    border-radius: 18px;
    background: rgba(15, 23, 42, 0.04);
}

.detail-layout {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 24px;
}

.detail-panel,
.admin-card,
.login-card,
.filter-card {
    padding: 24px;
}

.detail-info-list,
.sidebar-list {
    display: grid;
    gap: 12px;
}

.detail-item {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
}

.detail-item:last-child {
    border-bottom: 0;
}

.detail-item strong {
    display: block;
    margin-bottom: 4px;
}

.notice-box {
    padding: 18px;
    border-radius: 20px;
    background: rgba(194, 65, 12, 0.08);
    color: #7c2d12;
    line-height: 1.6;
}

.stats-grid,
.admin-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.admin-shell {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

.admin-sidebar {
    padding: 28px 22px;
    background: #102a34;
    color: #ecfeff;
}

.admin-main {
    padding: 28px;
}

.admin-card table {
    width: 100%;
    border-collapse: collapse;
}

.admin-card th,
.admin-card td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--line);
    text-align: left;
}

.login-wrap {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-card {
    width: min(100%, 440px);
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--muted);
}

.pagination {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 24px;
}

.flash-error {
    padding: 14px 16px;
    border-radius: 14px;
    background: rgba(185, 28, 28, 0.1);
    color: var(--danger);
    margin-bottom: 16px;
}

@media (max-width: 980px) {
    .hero-panel,
    .detail-layout,
    .admin-shell {
        grid-template-columns: 1fr;
    }

    .hero-metrics,
    .stats-grid,
    .admin-stats,
    .property-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 680px) {
    .search-form,
    .meta-grid,
    .stats-grid,
    .admin-stats,
    .property-grid,
    .hero-metrics {
        grid-template-columns: 1fr;
    }

    .site-header .bar,
    .site-footer .bar,
    .section-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .admin-main {
        padding: 20px;
    }
}