:root {
    --primary-blue: #007bff;
    --electric-blue: #00b8ff;
    --brand-teal: #00b8c8;
    --brand-orange: #ff9f2f;
    --brand-orange-dark: #ff6b2c;
    --bg-main: #05070d;
    --bg-secondary: #080b14;
    --bg-card: #0b1020;
    --bg-card-soft: #111827;
    --border-soft: rgba(255, 255, 255, 0.10);
    --border-blue: rgba(0, 184, 255, 0.35);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-soft: #cbd5e1;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --radius-card: 8px;
    --radius-button: 8px;
    --radius-input: 8px;
    --shadow-soft: 0 20px 60px rgba(0, 0, 0, 0.35);
    --shadow-blue: 0 0 35px rgba(0, 184, 255, 0.35);
    --transition-fast: all 0.25s ease;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--text-main);
    background: linear-gradient(145deg, #05070d 0%, #07111c 46%, #100d12 100%);
    font-family: Inter, Poppins, "Segoe UI", Arial, sans-serif;
    line-height: 1.5;
}

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

button,
input,
select {
    font: inherit;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1rem clamp(1rem, 4vw, 4rem);
    background: rgba(5, 7, 13, 0.84);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border-soft);
}

.brand img {
    display: block;
    width: 150px;
    height: 54px;
    object-fit: contain;
    object-position: left center;
}

.brand {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.45rem;
    border-radius: 8px;
    background: #ffffff;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    color: var(--text-soft);
}

.nav-actions a,
.ghost-button {
    color: var(--text-soft);
    background: transparent;
    border: 0;
    cursor: pointer;
}

.primary-button,
.secondary-button,
.accent-button,
.ghost-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.78rem 1rem;
    border-radius: var(--radius-button);
    border: 1px solid transparent;
    font-weight: 800;
    transition: var(--transition-fast);
}

.primary-button {
    color: #031018;
    background: linear-gradient(135deg, var(--electric-blue), var(--brand-teal));
    box-shadow: var(--shadow-blue);
}

.secondary-button {
    color: var(--text-main);
    border-color: var(--border-blue);
    background: rgba(0, 184, 255, 0.08);
}

.accent-button {
    color: #140904;
    background: linear-gradient(135deg, var(--brand-orange), var(--brand-orange-dark));
}

.primary-button:hover,
.secondary-button:hover,
.accent-button:hover,
.category-card:hover,
.property-card:hover {
    transform: translateY(-2px);
}

.flash {
    width: min(980px, calc(100% - 2rem));
    margin: 1rem auto 0;
    padding: 0.9rem 1rem;
    border-radius: var(--radius-input);
    border: 1px solid var(--border-soft);
    background: rgba(15, 23, 42, 0.92);
}

.flash-success {
    border-color: rgba(34, 197, 94, 0.5);
}

.flash-danger {
    border-color: rgba(239, 68, 68, 0.55);
}

.flash-warning {
    border-color: rgba(245, 158, 11, 0.55);
}

.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 2rem clamp(1rem, 4vw, 4rem);
    color: var(--text-muted);
    border-top: 1px solid var(--border-soft);
    background: rgba(8, 11, 20, 0.72);
}

.site-footer strong {
    display: block;
    color: var(--text-main);
}

.footer-links {
    display: flex;
    gap: 1rem;
}

.auth-shell,
.dashboard-shell {
    min-height: 68vh;
    display: grid;
    place-items: center;
    padding: clamp(2rem, 6vw, 5rem) 1rem;
}

.auth-card,
.dashboard-shell {
    width: min(480px, 100%);
    padding: clamp(1.25rem, 4vw, 2rem);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-card);
    background: rgba(11, 16, 32, 0.88);
    box-shadow: var(--shadow-soft);
}

.wide-card {
    width: min(760px, 100%);
}

.auth-card h1,
.dashboard-shell h1 {
    margin: 0 0 1rem;
    font-size: clamp(2rem, 6vw, 3rem);
}

.auth-card label,
.search-panel label {
    display: grid;
    gap: 0.45rem;
    color: var(--text-soft);
    font-weight: 700;
}

.auth-card input,
.auth-card textarea,
.search-panel input,
.search-panel select,
.filter-panel input,
.filter-panel select,
.form-grid input,
.form-grid select,
.form-grid textarea {
    width: 100%;
    min-height: 48px;
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-input);
    padding: 0.8rem 0.9rem;
    outline: none;
}

.auth-card input:focus,
.auth-card textarea:focus,
.search-panel input:focus,
.search-panel select:focus,
.filter-panel input:focus,
.filter-panel select:focus,
.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus {
    border-color: var(--electric-blue);
    box-shadow: 0 0 0 3px rgba(0, 184, 255, 0.14);
}

.auth-card {
    display: grid;
    gap: 1rem;
}

.filters-list {
    display: grid;
    gap: 0.75rem;
    margin: 1.25rem 0;
}

.filters-list div {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    border-bottom: 1px solid var(--border-soft);
    padding-bottom: 0.65rem;
}

.muted {
    color: var(--text-muted);
}

@media (max-width: 780px) {
    .site-header,
    .site-footer {
        align-items: flex-start;
        flex-direction: column;
    }

    .nav-actions,
    .footer-links {
        width: 100%;
        flex-wrap: wrap;
    }
}