/* ============================================================
   BLUE GRAY THEME
   Professional | Calm | Trustworthy
   ============================================================ */

:root {
    /* ===== Blue Gray Palette ===== */
    --bluegray-900: #1a2a3a;
    --bluegray-800: #2a3f55;
    --bluegray-700: #3a5570;
    --bluegray-600: #4a6a85;
    --bluegray-500: #5a7f9a;
    --bluegray-400: #7a9bb5;
    --bluegray-300: #9ab7cc;
    --bluegray-200: #bcd3e3;
    --bluegray-100: #dce8f0;
    --bluegray-50: #f0f5f8;
    
    /* ===== Gray Scale ===== */
    --gray-900: #1a1a1a;
    --gray-800: #2d2d2d;
    --gray-700: #4a4a4a;
    --gray-600: #6b6b6b;
    --gray-500: #8a8a8a;
    --gray-400: #aaaaaa;
    --gray-300: #c8c8c8;
    --gray-200: #e5e5e5;
    --gray-100: #f2f2f2;
    --gray-50: #fafafa;
    
    /* ===== Accent Colors ===== */
    --gold: #c9a84c;
    --gold-light: #e8d5a3;
    --success: #2d8f4e;
    --danger: #d94545;
    --info: #3a8fb8;
    
    /* ===== Semantic Colors ===== */
    --bg-primary: var(--bluegray-50);
    --bg-card: #ffffff;
    --bg-header: linear-gradient(135deg, var(--bluegray-800), var(--bluegray-600));
    --bg-hover: var(--bluegray-50);
    --bg-input: var(--gray-50);
    
    /* ===== Text Colors ===== */
    --text-primary: var(--bluegray-800);
    --text-secondary: var(--gray-700);
    --text-muted: var(--gray-500);
    --text-light: #ffffff;
    --text-link: var(--bluegray-600);
    
    /* ===== Border Colors ===== */
    --border-light: var(--gray-200);
    --border-medium: var(--gray-300);
    --border-focus: var(--bluegray-400);
    
    /* ===== Shadows ===== */
    --shadow-sm: 0 2px 8px rgba(42, 63, 85, 0.06);
    --shadow-md: 0 4px 20px rgba(42, 63, 85, 0.08);
    --shadow-lg: 0 8px 40px rgba(42, 63, 85, 0.12);
    --shadow-xl: 0 16px 60px rgba(42, 63, 85, 0.16);
    --shadow-focus: 0 0 0 4px rgba(74, 106, 133, 0.15);
    
    /* ===== Typography ===== */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-md: 1.125rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    
    /* ===== Spacing ===== */
    --spacing-1: 4px;
    --spacing-2: 8px;
    --spacing-3: 12px;
    --spacing-4: 16px;
    --spacing-5: 20px;
    --spacing-6: 24px;
    --spacing-8: 32px;
    --spacing-10: 40px;
    --spacing-12: 48px;
    
    /* ===== Border Radius ===== */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* ===== Transitions ===== */
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-slow: 0.4s ease;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-secondary);
    background: var(--bg-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-4);
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
    background: var(--bg-header);
    color: var(--text-light);
    padding: var(--spacing-6) var(--spacing-8);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.header::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, transparent 70%);
    pointer-events: none;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.header-left .brand-icon {
    font-size: var(--font-size-2xl);
    background: rgba(255,255,255,0.1);
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.08);
}

.header-left h1 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: -0.3px;
    margin: 0;
}

.header-left .subtitle {
    font-size: var(--font-size-sm);
    opacity: 0.7;
    font-weight: 400;
    margin-top: 1px;
}

.header-right {
    text-align: right;
    position: relative;
    z-index: 1;
}

.header-right .tax-rate {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--gold);
    background: rgba(201, 168, 76, 0.15);
    padding: var(--spacing-1) var(--spacing-4);
    border-radius: var(--radius-full);
    border: 1px solid rgba(201, 168, 76, 0.2);
    display: inline-block;
}

.header-right .records {
    font-size: var(--font-size-sm);
    opacity: 0.7;
    margin-top: var(--spacing-1);
}

.back-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    background: rgba(255,255,255,0.08);
    color: var(--text-light);
    text-decoration: none;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-base);
    border: 1px solid rgba(255,255,255,0.06);
}

.back-button:hover {
    background: rgba(255,255,255,0.16);
    transform: translateX(-3px);
}

/* ============================================================
   SEARCH BOX
   ============================================================ */
.search-box {
    background: var(--bg-card);
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-6);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

.search-box:focus-within {
    box-shadow: var(--shadow-md);
    border-color: var(--border-focus);
}

.search-form {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.search-form .input-group {
    flex: 1;
    min-width: 240px;
    position: relative;
}

.search-form .input-group .icon {
    position: absolute;
    left: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: var(--font-size-md);
    pointer-events: none;
}

.search-form .input-group input {
    width: 100%;
    padding: 12px 16px 12px 44px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    background: var(--bg-input);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.search-form .input-group input:focus {
    outline: none;
    border-color: var(--border-focus);
    background: var(--bg-card);
    box-shadow: var(--shadow-focus);
}

.search-form .btn-search {
    padding: 12px 32px;
    background: var(--bluegray-600);
    color: var(--text-light);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-family);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    white-space: nowrap;
}

.search-form .btn-search:hover {
    background: var(--bluegray-700);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ============================================================
   PROPERTY CARD
   ============================================================ */
.property-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    margin: var(--spacing-5) 0;
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

.property-card:hover {
    box-shadow: var(--shadow-md);
}

.property-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    border-bottom: 2px solid var(--border-light);
    padding-bottom: var(--spacing-4);
    margin-bottom: var(--spacing-5);
}

.property-card .card-header h3 {
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.property-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-2) var(--spacing-5);
}

.property-field {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-2) 0;
    border-bottom: 1px solid var(--border-light);
}

.property-field .label {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--text-muted);
    font-weight: 600;
}

.property-field .value {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--text-primary);
    padding-top: var(--spacing-1);
}

/* ============================================================
   VALUE SUMMARY
   ============================================================ */
.value-summary {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    margin: var(--spacing-5) 0;
    border: 1px solid var(--border-light);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-4);
}

.value-item {
    text-align: center;
    padding: var(--spacing-5) var(--spacing-4);
    background: var(--bluegray-50);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

.value-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}

.value-item .amount {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.value-item .amount.original {
    color: var(--bluegray-700);
}

.value-item .amount.median {
    color: var(--gray-600);
}

.value-item .amount.proposed {
    color: var(--success);
}

.value-item .label-text {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-1);
    font-weight: 500;
}

/* ============================================================
   COMPS TABLE
   ============================================================ */
.comps-table {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    margin: var(--spacing-5) 0;
    border: 1px solid var(--border-light);
}

.comps-table .table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.comps-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
    min-width: 640px;
}

.comps-table thead th {
    background: var(--bluegray-50);
    text-align: left;
    padding: 10px 14px;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-medium);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    white-space: nowrap;
}

.comps-table tbody td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

.comps-table tbody tr:hover {
    background: var(--bg-hover);
}

.comps-table .pid-link {
    color: var(--bluegray-600);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.comps-table .pid-link:hover {
    color: var(--bluegray-800);
    text-decoration: underline;
}

.comps-table .distance-badge {
    background: var(--bluegray-100);
    color: var(--bluegray-700);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
    display: inline-block;
}

/* ============================================================
   WELCOME
   ============================================================ */
.welcome-box {
    background: var(--bg-card);
    padding: var(--spacing-12) var(--spacing-8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    border: 1px solid var(--border-light);
}

.welcome-box .icon {
    font-size: 64px;
    color: var(--bluegray-300);
    margin-bottom: var(--spacing-4);
}

.welcome-box h2 {
    font-size: var(--font-size-2xl);
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: var(--spacing-2);
}

.welcome-box p {
    color: var(--text-muted);
    max-width: 480px;
    margin: var(--spacing-2) auto;
}

.welcome-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3);
    flex-wrap: wrap;
    margin-top: var(--spacing-5);
}

.welcome-stats span {
    background: var(--bluegray-50);
    padding: var(--spacing-2) var(--spacing-5);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
}

/* ============================================================
   FLOATING ACTION BUTTON
   ============================================================ */
.fab-main {
    background: linear-gradient(135deg, var(--bluegray-600), var(--bluegray-700)) !important;
}

.fab-main:hover {
    background: linear-gradient(135deg, var(--bluegray-700), var(--bluegray-800)) !important;
}

.fab-item:hover {
    background: var(--bluegray-600) !important;
    border-color: var(--bluegray-600) !important;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .container { padding: var(--spacing-3); }
    
    .header {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-5);
    }
    
    .header-left {
        flex-direction: column;
        width: 100%;
        justify-content: center;
    }
    
    .header-right {
        text-align: center;
        width: 100%;
    }
    
    .search-form {
        flex-direction: column;
    }
    
    .search-form .input-group {
        min-width: 100%;
    }
    
    .search-form .btn-search {
        width: 100%;
        justify-content: center;
    }
    
    .property-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .value-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-3);
    }
    
    .comps-table table {
        font-size: var(--font-size-xs);
        min-width: 480px;
    }
    
    .welcome-box {
        padding: var(--spacing-8) var(--spacing-4);
    }
}

@media (max-width: 480px) {
    .property-grid {
        grid-template-columns: 1fr;
    }
    
    .header-left h1 {
        font-size: var(--font-size-lg);
    }
    
    .value-item .amount {
        font-size: var(--font-size-xl);
    }
}

/* ============================================================
   PRINT
   ============================================================ */
@media print {
    .fab-container { display: none !important; }
    .search-box { display: none !important; }
    .back-button { display: none !important; }
    
    .header {
        background: var(--bluegray-800) !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
    
    .property-card,
    .value-summary,
    .comps-table {
        box-shadow: none !important;
        border: 1px solid var(--border-light) !important;
        break-inside: avoid;
    }
}