/* ======================================================================
   PropertyProAI — Premium Dark Real Estate Aesthetic
   ====================================================================== */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg-primary:    #0a0a0a;
    --bg-secondary:  #111111;
    --bg-card:       #161616;
    --bg-elevated:   #1a1a1a;
    --bg-input:      #1e1e1e;
    --border:        #222222;
    --border-light:  #2a2a2a;
    --text-primary:  #f0f0f0;
    --text-secondary:#999999;
    --text-muted:    #666666;
    --accent:        #DC2626;
    --accent-hover:  #EF4444;
    --accent-glow:   rgba(220, 38, 38, 0.25);
    --accent-soft:   rgba(220, 38, 38, 0.08);
    --success:       #22c55e;
    --warning:       #f59e0b;
    --info:          #3b82f6;
    --gradient-hero: linear-gradient(135deg, rgba(220,38,38,0.12) 0%, rgba(10,10,10,0.95) 50%, rgba(10,10,10,1) 100%);
    --font-display:  'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body:     'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono:     'JetBrains Mono', 'Fira Code', monospace;
    --radius:        12px;
    --radius-sm:     8px;
    --radius-lg:     20px;
    --transition:    all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-card:   0 4px 24px rgba(0,0,0,0.4);
    --shadow-glow:   0 0 40px var(--accent-glow);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-hover); }

img { max-width: 100%; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* --- Typography ------------------------------------------------------ */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; }
h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}

.section-title { margin-bottom: 16px; }
.section-subtitle { color: var(--text-secondary); font-size: 1.1rem; max-width: 600px; }

/* --- Buttons --------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border: none;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
}

.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-lg { padding: 18px 40px; font-size: 1.05rem; }
.btn-block { width: 100%; justify-content: center; }
.btn-danger { background: #991b1b; color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-success { background: #166534; color: #fff; }
.btn-success:hover { background: #15803d; }

/* --- Navbar ---------------------------------------------------------- */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-brand .logo-icon {
    width: 36px;
    height: 36px;
    background: var(--accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.navbar-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.navbar-links a:hover, .navbar-links a.active {
    color: var(--text-primary);
    background: var(--bg-elevated);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* --- Hero ------------------------------------------------------------ */
.hero {
    padding: 120px 0 80px;
    background: var(--gradient-hero);
    text-align: center;
}

.hero h1 {
    margin-bottom: 20px;
}

.hero h1 .accent { color: var(--accent); }

.hero p {
    color: var(--text-secondary);
    font-size: 1.2rem;
    max-width: 640px;
    margin: 0 auto 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Feature Cards --------------------------------------------------- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    padding: 80px 0;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

.feature-card .icon {
    width: 56px;
    height: 56px;
    background: var(--accent-soft);
    border: 1px solid rgba(220, 38, 38, 0.2);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.feature-card h3 { margin-bottom: 12px; }
.feature-card p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 20px; }

/* --- Cards / Panels -------------------------------------------------- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.card-header h2 { font-size: 1.4rem; margin: 0; }

/* --- Forms ----------------------------------------------------------- */
.form-group { margin-bottom: 20px; }

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

textarea.form-control { min-height: 120px; resize: vertical; }

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23999' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

/* --- Flash Messages -------------------------------------------------- */
.flash-messages { padding: 16px 0 0; }

.flash {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid;
}

.flash-success { background: rgba(34,197,94,0.1); border-color: rgba(34,197,94,0.3); color: var(--success); }
.flash-error { background: rgba(220,38,38,0.1); border-color: rgba(220,38,38,0.3); color: var(--accent); }
.flash-info { background: rgba(59,130,246,0.1); border-color: rgba(59,130,246,0.3); color: var(--info); }

/* --- Result Display -------------------------------------------------- */
.result-box {
    background: var(--bg-elevated);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 28px;
    margin-top: 24px;
    white-space: pre-wrap;
    font-size: 0.95rem;
    line-height: 1.7;
    position: relative;
}

.result-box .copy-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 8px 16px;
    font-size: 0.8rem;
}

/* --- Dashboard Stats ------------------------------------------------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
}

.stat-card .stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* --- Table ----------------------------------------------------------- */
.table-wrapper { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

th {
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
}

tr:hover td { background: var(--bg-elevated); }

/* --- Badges ---------------------------------------------------------- */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-lead { background: rgba(59,130,246,0.15); color: var(--info); }
.badge-active { background: rgba(34,197,94,0.15); color: var(--success); }
.badge-closed { background: rgba(153,27,27,0.15); color: #f87171; }
.badge-free { background: var(--bg-elevated); color: var(--text-secondary); border: 1px solid var(--border); }
.badge-pro { background: var(--accent-soft); color: var(--accent); border: 1px solid rgba(220,38,38,0.3); }

/* --- Auth Pages ------------------------------------------------------ */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
    background: var(--gradient-hero);
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 48px;
    width: 100%;
    max-width: 460px;
    box-shadow: var(--shadow-card);
}

.auth-card h1 {
    font-size: 1.8rem;
    margin-bottom: 8px;
    text-align: center;
}

.auth-card .subtitle {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 32px;
    font-size: 0.95rem;
}

.auth-card .auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* --- Page Header ----------------------------------------------------- */
.page-header {
    padding: 48px 0 32px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 32px;
}

.page-header h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin-bottom: 8px; }
.page-header p { color: var(--text-secondary); font-size: 1.05rem; }

/* --- Code Block ------------------------------------------------------ */
.code-block {
    background: #0d0d0d;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-top: 20px;
    overflow-x: auto;
    position: relative;
}

.code-block pre {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.6;
    color: #e0e0e0;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* --- Sidebar Layout -------------------------------------------------- */
.app-layout {
    display: flex;
    min-height: calc(100vh - 65px);
}

.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: 24px 16px;
    flex-shrink: 0;
}

.sidebar-nav { list-style: none; }

.sidebar-nav li { margin-bottom: 4px; }

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.sidebar-nav a:hover, .sidebar-nav a.active {
    color: var(--text-primary);
    background: var(--bg-elevated);
}

.sidebar-nav a.active {
    border-left: 3px solid var(--accent);
    padding-left: 13px;
}

.sidebar-nav .nav-icon { font-size: 1.1rem; width: 24px; text-align: center; }

.main-content {
    flex: 1;
    padding: 0 40px 60px;
    max-width: 900px;
}

/* --- Footer ---------------------------------------------------------- */
.footer {
    border-top: 1px solid var(--border);
    padding: 40px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* --- Pricing --------------------------------------------------------- */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
}

.pricing-card.featured {
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
    position: relative;
}

.pricing-card.featured::before {
    content: "MOST POPULAR";
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: 999px;
    letter-spacing: 0.1em;
}

.pricing-card .price {
    font-size: 3rem;
    font-weight: 800;
    margin: 20px 0 8px;
}

.pricing-card .price span { font-size: 1rem; font-weight: 400; color: var(--text-secondary); }

.pricing-card .features-list {
    list-style: none;
    margin: 24px 0;
    text-align: left;
}

.pricing-card .features-list li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-card .features-list li::before {
    content: "\2713";
    color: var(--success);
    font-weight: 700;
}

/* --- Utility --------------------------------------------------------- */
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent); }

/* --- Modal / Inline Form --------------------------------------------- */
.inline-form {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-top: 16px;
}

/* --- Responsive ------------------------------------------------------ */
@media (max-width: 768px) {
    .app-layout { flex-direction: column; }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 16px;
    }

    .sidebar-nav {
        display: flex;
        overflow-x: auto;
        gap: 4px;
        padding-bottom: 8px;
    }

    .sidebar-nav a {
        white-space: nowrap;
        padding: 10px 14px;
        font-size: 0.8rem;
    }

    .sidebar-nav a.active { border-left: none; border-bottom: 3px solid var(--accent); padding-left: 14px; }

    .main-content { padding: 0 20px 40px; max-width: 100%; }

    .navbar-links { display: none; }
    .navbar-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border);
        padding: 16px;
    }

    .mobile-toggle { display: block; }

    .form-row { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .hero { padding: 80px 0 60px; }
    .hero-actions { flex-direction: column; align-items: center; }
    .features-grid { grid-template-columns: 1fr; }
    .auth-card { padding: 32px 24px; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .container { padding: 0 16px; }
}