/* 
 * Microsoft Fluent Design 2 for Real Estate CRM
 * Complete design system implementation
 */

/* ============== DESIGN TOKENS ============== */
:root {
    /* Typography */
    --font-family-base: 'Mont', sans-serif;
    --font-family-monospace: 'SF Mono', Monaco, 'Inconsolata', 'Roboto Mono', 'Source Code Pro', monospace;
    
    /* Font Sizes */
    --font-size-100: 10px;
    --font-size-200: 12px;
    --font-size-300: 14px;
    --font-size-400: 16px;
    --font-size-500: 18px;
    --font-size-600: 20px;
    --font-size-700: 28px;
    --font-size-800: 32px;
    --font-size-900: 40px;
    
    /* Line Heights */
    --line-height-100: 14px;
    --line-height-200: 16px;
    --line-height-300: 20px;
    --line-height-400: 22px;
    --line-height-500: 24px;
    --line-height-600: 28px;
    --line-height-700: 36px;
    --line-height-800: 40px;
    --line-height-900: 52px;
    
    /* Font Weights */
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Brand Colors */
    --colorBrandForeground1: #0F6CBD;
    --colorBrandForeground2: #115EA3;
    --colorBrandBackground: #0F6CBD;
    --colorBrandBackgroundHover: #115EA3;
    --colorBrandBackgroundPressed: #0F548C;
    --colorBrandBackgroundSelected: #CCE7F0;
    
    /* Neutral Colors - Light Theme */
    --colorNeutralForeground1: #242424;
    --colorNeutralForeground2: #424242;
    --colorNeutralForeground3: #616161;
    --colorNeutralForeground4: #707070;
    --colorNeutralForegroundDisabled: #BDBDBD;
    
    --colorNeutralBackground1: #FFFFFF;
    --colorNeutralBackground2: #FAFAFA;
    --colorNeutralBackground3: #F5F5F5;
    --colorNeutralBackground4: #F0F0F0;
    --colorNeutralBackground5: #EBEBEB;
    --colorNeutralBackground6: #E0E0E0;
    
    --colorNeutralStroke1: #D1D1D1;
    --colorNeutralStroke2: #C7C7C7;
    --colorNeutralStroke3: #B3B3B3;
    --colorNeutralStrokeDisabled: #E0E0E0;
    
    /* Semantic Colors */
    --colorStatusSuccessForeground1: #0B6A0B;
    --colorStatusSuccessBackground1: #DFF6DD;
    --colorStatusErrorForeground1: #C50F1F;
    --colorStatusErrorBackground1: #FDE7E9;
    --colorStatusWarningForeground1: #F7630C;
    --colorStatusWarningBackground1: #FFF4CE;
    
    /* Shadows */
    --shadow-2: 0px 1px 2px rgba(0, 0, 0, 0.12);
    --shadow-4: 0px 2px 4px rgba(0, 0, 0, 0.14);
    --shadow-8: 0px 4px 8px rgba(0, 0, 0, 0.14);
    --shadow-16: 0px 8px 16px rgba(0, 0, 0, 0.14);
    --shadow-28: 0px 14px 28px rgba(0, 0, 0, 0.22), 0px 10px 20px rgba(0, 0, 0, 0.18);
    --shadow-64: 0px 32px 64px rgba(0, 0, 0, 0.24), 0px 16px 32px rgba(0, 0, 0, 0.18);
    
    /* Border Radius */
    --borderRadiusNone: 0;
    --borderRadiusSmall: 2px;
    --borderRadiusMedium: 4px;
    --borderRadiusLarge: 6px;
    --borderRadiusXLarge: 8px;
    --borderRadiusCircular: 50%;
    
    /* Spacing */
    --spacingHorizontalNone: 0;
    --spacingHorizontalXXS: 2px;
    --spacingHorizontalXS: 4px;
    --spacingHorizontalSNudge: 6px;
    --spacingHorizontalS: 8px;
    --spacingHorizontalMNudge: 10px;
    --spacingHorizontalM: 12px;
    --spacingHorizontalL: 16px;
    --spacingHorizontalXL: 20px;
    --spacingHorizontalXXL: 24px;
    --spacingHorizontalXXXL: 32px;
    
    --spacingVerticalNone: 0;
    --spacingVerticalXXS: 2px;
    --spacingVerticalXS: 4px;
    --spacingVerticalSNudge: 6px;
    --spacingVerticalS: 8px;
    --spacingVerticalMNudge: 10px;
    --spacingVerticalM: 12px;
    --spacingVerticalL: 16px;
    --spacingVerticalXL: 20px;
    --spacingVerticalXXL: 24px;
    --spacingVerticalXXXL: 32px;
    
    /* Duration */
    --durationUltraFast: 50ms;
    --durationFaster: 100ms;
    --durationFast: 150ms;
    --durationNormal: 200ms;
    --durationGentle: 250ms;
    --durationSlow: 300ms;
    --durationSlower: 500ms;
    --durationUltraSlow: 1000ms;
    
    /* Curves */
    --curveAccelerateMax: cubic-bezier(0.9, 0.1, 1, 0.2);
    --curveAccelerateMid: cubic-bezier(0.7, 0, 1, 0.5);
    --curveAccelerateMin: cubic-bezier(0.8, 0, 0.78, 1);
    --curveDecelerateMax: cubic-bezier(0, 0, 0, 1);
    --curveDecelerateMid: cubic-bezier(0.1, 0.9, 0.2, 1);
    --curveDecelerateMin: cubic-bezier(0.33, 0, 0.1, 1);
    --curveEasyEaseMax: cubic-bezier(0.8, 0, 0.2, 1);
    --curveEasyEase: cubic-bezier(0.33, 0, 0.67, 1);
    --curveLinear: cubic-bezier(0, 0, 1, 1);
}

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

html, body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-300);
    line-height: var(--line-height-300);
    color: var(--colorNeutralForeground1);
    background-color: var(--colorNeutralBackground2);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* ============== TYPOGRAPHY ============== */
.fluent-display {
    font-size: var(--font-size-900);
    line-height: var(--line-height-900);
    font-weight: var(--font-weight-semibold);
}

.fluent-title1 {
    font-size: var(--font-size-800);
    line-height: var(--line-height-800);
    font-weight: var(--font-weight-semibold);
}

.fluent-title2 {
    font-size: var(--font-size-700);
    line-height: var(--line-height-700);
    font-weight: var(--font-weight-semibold);
}

.fluent-title3 {
    font-size: var(--font-size-600);
    line-height: var(--line-height-600);
    font-weight: var(--font-weight-semibold);
}

.fluent-subtitle1 {
    font-size: var(--font-size-500);
    line-height: var(--line-height-500);
    font-weight: var(--font-weight-semibold);
}

.fluent-subtitle2 {
    font-size: var(--font-size-400);
    line-height: var(--line-height-400);
    font-weight: var(--font-weight-semibold);
}

.fluent-body1 {
    font-size: var(--font-size-300);
    line-height: var(--line-height-300);
    font-weight: var(--font-weight-regular);
}

.fluent-body1-strong {
    font-size: var(--font-size-300);
    line-height: var(--line-height-300);
    font-weight: var(--font-weight-semibold);
}

.fluent-body2 {
    font-size: var(--font-size-200);
    line-height: var(--line-height-200);
    font-weight: var(--font-weight-regular);
}

.fluent-caption1 {
    font-size: var(--font-size-200);
    line-height: var(--line-height-200);
    font-weight: var(--font-weight-regular);
}

.fluent-caption2 {
    font-size: var(--font-size-100);
    line-height: var(--line-height-100);
    font-weight: var(--font-weight-regular);
}

/* ============== BUTTONS ============== */
.fluent-button,
.btn,
.btn-primary,
.btn-secondary,
.btn-text,
.refresh-data-btn,
.logout-btn {
    font-family: var(--font-family-base);
    font-size: var(--font-size-300);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-300);
    border-radius: var(--borderRadiusMedium);
    border: 1px solid transparent;
    padding: var(--spacingVerticalS) var(--spacingHorizontalM);
    cursor: pointer;
    transition: all var(--durationFast) var(--curveEasyEase);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacingHorizontalS);
    min-height: 32px;
    user-select: none;
    outline: none;
}

.fluent-button:focus-visible,
.btn:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible {
    outline: 2px solid var(--colorBrandForeground1);
    outline-offset: 2px;
}

.fluent-button:disabled,
.btn:disabled {
    cursor: not-allowed;
    color: var(--colorNeutralForegroundDisabled);
    background-color: var(--colorNeutralBackground5);
    border-color: var(--colorNeutralStrokeDisabled);
}

/* Button Variants */
.fluent-button--primary,
.btn-primary,
.auth-btn {
    background-color: var(--colorBrandBackground);
    color: white;
    border-color: var(--colorBrandBackground);
}

.fluent-button--primary:hover,
.btn-primary:hover,
.auth-btn:hover {
    background-color: var(--colorBrandBackgroundHover);
    border-color: var(--colorBrandBackgroundHover);
}

.fluent-button--primary:active,
.btn-primary:active,
.auth-btn:active {
    background-color: var(--colorBrandBackgroundPressed);
    border-color: var(--colorBrandBackgroundPressed);
}

.fluent-button--secondary,
.btn-secondary,
.btn-text,
.refresh-data-btn,
.logout-btn {
    background-color: var(--colorNeutralBackground1);
    color: var(--colorNeutralForeground1);
    border-color: var(--colorNeutralStroke1);
}

.fluent-button--secondary:hover,
.btn-secondary:hover,
.btn-text:hover,
.refresh-data-btn:hover,
.logout-btn:hover {
    background-color: var(--colorNeutralBackground3);
    border-color: var(--colorNeutralStroke2);
}

.fluent-button--secondary:active,
.btn-secondary:active,
.btn-text:active,
.refresh-data-btn:active,
.logout-btn:active {
    background-color: var(--colorNeutralBackground4);
    border-color: var(--colorNeutralStroke3);
}

.fluent-button--subtle {
    background-color: transparent;
    color: var(--colorNeutralForeground1);
    border-color: transparent;
}

.fluent-button--subtle:hover {
    background-color: var(--colorNeutralBackground3);
}

.fluent-button--subtle:active {
    background-color: var(--colorNeutralBackground4);
}

/* ============== CARDS ============== */
.fluent-card,
.property-card,
.stat-card,
.property-post {
    background-color: var(--colorNeutralBackground1);
    border: 1px solid var(--colorNeutralStroke2);
    border-radius: var(--borderRadiusLarge);
    box-shadow: var(--shadow-2);
    transition: all var(--durationFast) var(--curveEasyEase);
    overflow: hidden;
}

.fluent-card:hover,
.property-card:hover,
.stat-card:hover,
.property-post:hover {
    box-shadow: var(--shadow-8);
    border-color: var(--colorNeutralStroke1);
    transform: translateY(-1px);
}

.fluent-card--interactive {
    cursor: pointer;
}

.fluent-card--interactive:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-16);
}

.fluent-card--interactive:active {
    transform: translateY(0);
    box-shadow: var(--shadow-4);
}

/* ============== INPUTS ============== */
.fluent-input,
.venture-input,
input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
textarea,
select {
    font-family: var(--font-family-base);
    font-size: var(--font-size-300);
    line-height: var(--line-height-300);
    color: var(--colorNeutralForeground1);
    background-color: var(--colorNeutralBackground1);
    border: 1px solid var(--colorNeutralStroke1);
    border-radius: var(--borderRadiusMedium);
    padding: var(--spacingVerticalS) var(--spacingHorizontalM);
    min-height: 32px;
    transition: all var(--durationFast) var(--curveEasyEase);
    outline: none;
}

.fluent-input:hover,
.venture-input:hover,
input:hover,
textarea:hover,
select:hover {
    border-color: var(--colorNeutralStroke2);
}

.fluent-input:focus,
.venture-input:focus,
input:focus,
textarea:focus,
select:focus {
    border-color: var(--colorBrandForeground1);
    box-shadow: 0 0 0 1px var(--colorBrandForeground1);
}

.fluent-input:disabled,
input:disabled,
textarea:disabled,
select:disabled {
    background-color: var(--colorNeutralBackground5);
    border-color: var(--colorNeutralStrokeDisabled);
    color: var(--colorNeutralForegroundDisabled);
    cursor: not-allowed;
}

.fluent-input::placeholder,
input::placeholder,
textarea::placeholder {
    color: var(--colorNeutralForeground3);
}

/* ============== NAVIGATION ============== */
.sidebar {
    width: 240px;
    height: 100vh;
    background-color: var(--colorNeutralBackground1);
    border-right: 1px solid var(--colorNeutralStroke2);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 100;
}

.sidebar-header {
    padding: var(--spacingVerticalL) var(--spacingHorizontalL);
    border-bottom: 1px solid var(--colorNeutralStroke2);
    background-color: var(--colorNeutralBackground1);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacingHorizontalS);
}

.logo-svg {
    height: 24px;
    width: auto;
}

.sidebar-nav {
    flex: 1;
    list-style: none;
    padding: var(--spacingVerticalS) 0;
    margin: 0;
    overflow-y: auto;
}

.sidebar-nav li {
    margin: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: var(--spacingVerticalS) var(--spacingHorizontalL);
    color: var(--colorNeutralForeground2);
    text-decoration: none;
    border-radius: var(--borderRadiusMedium);
    margin: var(--spacingVerticalXXS) var(--spacingHorizontalS);
    transition: all var(--durationFast) var(--curveEasyEase);
    gap: var(--spacingHorizontalM);
    font-size: var(--font-size-300);
    line-height: var(--line-height-300);
    position: relative;
}

.nav-link:hover {
    background-color: var(--colorNeutralBackground3);
    color: var(--colorNeutralForeground1);
}

.nav-link.active {
    background-color: var(--colorBrandBackgroundSelected);
    color: var(--colorNeutralForegroundOnBrand);
    font-weight: var(--font-weight-semibold);
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 16px;
    background-color: var(--colorNeutralForegroundOnBrand);
    border-radius: var(--borderRadiusSmall);
}

.nav-link i {
    font-size: 16px;
    width: 16px;
    text-align: center;
}

/* Sidebar Status */
.sidebar-status {
    padding: var(--spacingVerticalL) var(--spacingHorizontalL);
    border-top: 1px solid var(--colorNeutralStroke2);
}

.status-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacingHorizontalS);
}

.status-item i {
    color: var(--colorNeutralForeground3);
    font-size: 14px;
    margin-top: 2px;
}

.status-info {
    flex: 1;
}

.status-label {
    font-size: var(--font-size-200);
    color: var(--colorNeutralForeground3);
    font-weight: var(--font-weight-medium);
}

.status-time {
    font-size: var(--font-size-200);
    color: var(--colorNeutralForeground2);
    margin-top: 2px;
}

/* ============== MAIN CONTENT ============== */
.main-content {
    margin-left: 240px;
    min-height: 100vh;
    background-color: var(--colorNeutralBackground2);
}

/* Top Header */
.top-header {
    background-color: var(--colorNeutralBackground1);
    border-bottom: 1px solid var(--colorNeutralStroke2);
    padding: var(--spacingVerticalM) var(--spacingHorizontalXXL);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacingHorizontalXL);
    height: 56px;
    position: sticky;
    top: 0;
    z-index: 90;
}

.search-container {
    flex: 1;
    max-width: 400px;
    position: relative;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacingHorizontalS);
}

.user-avatar-btn,
.btn-icon {
    background: transparent;
    border: 1px solid var(--colorNeutralStroke1);
    border-radius: var(--borderRadiusCircular);
    padding: 2px;
    cursor: pointer;
    transition: all var(--durationFast) var(--curveEasyEase);
}

.user-avatar-btn:hover,
.btn-icon:hover {
    border-color: var(--colorNeutralStroke2);
    box-shadow: var(--shadow-2);
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: var(--borderRadiusCircular);
    overflow: hidden;
    background-color: var(--colorNeutralBackground3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============== PAGES ============== */
.page {
    display: none;
    padding: var(--spacingVerticalXXL);
    max-width: 1200px;
    margin: 0 auto;
}

.page.active {
    display: block;
}

.page-header {
    margin-bottom: var(--spacingVerticalXXL);
}

.page-header h1 {
    font-size: var(--font-size-700);
    font-weight: var(--font-weight-semibold);
    color: var(--colorNeutralForeground1);
    margin: 0 0 var(--spacingVerticalS) 0;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacingHorizontalL);
    margin-bottom: var(--spacingVerticalXXL);
}

.stat-card {
    padding: var(--spacingVerticalXXL) var(--spacingHorizontalXL);
    display: flex;
    align-items: center;
    gap: var(--spacingHorizontalL);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--borderRadiusLarge);
    background-color: var(--colorBrandBackgroundSelected);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--colorBrandForeground1);
    font-size: 24px;
}

.stat-info h3 {
    font-size: var(--font-size-700);
    font-weight: var(--font-weight-semibold);
    color: var(--colorNeutralForeground1);
    margin: 0 0 var(--spacingVerticalXS) 0;
}

.stat-info p {
    font-size: var(--font-size-300);
    color: var(--colorNeutralForeground3);
    margin: 0;
}

/* Property Posts */
.property-post {
    margin-bottom: var(--spacingVerticalXL);
}

.post-header {
    padding: var(--spacingVerticalXS) var(--spacingHorizontalS);
    border-bottom: 1px solid var(--colorNeutralStroke2);
    display: flex;
    align-items: center;
    gap: var(--spacingHorizontalS);
}

.agent-info {
    display: flex;
    align-items: center;
    gap: var(--spacingHorizontalM);
}

.agent-avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--borderRadiusCircular);
    overflow: hidden;
    background-color: var(--colorNeutralBackground3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.agent-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.agent-avatar i {
    color: var(--colorNeutralForeground3);
    font-size: 16px;
}

.agent-name {
    font-size: var(--font-size-300);
    font-weight: var(--font-weight-semibold);
    color: var(--colorNeutralForeground1);
}

.property-image {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.property-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-badges {
    position: absolute;
    top: var(--spacingVerticalM);
    left: var(--spacingHorizontalM);
    display: flex;
    flex-direction: column;
    gap: var(--spacingHorizontalS);
    align-items: flex-start;
}

.price-badge {
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: var(--spacingVerticalXS) var(--spacingHorizontalS);
    border-radius: var(--borderRadiusMedium);
    font-size: var(--font-size-500);
    font-weight: var(--font-weight-semibold);
    backdrop-filter: blur(8px);
}

.type-badge {
    position: absolute;
    top: var(--spacingVerticalM);
    right: var(--spacingHorizontalM);
    background-color: var(--colorBrandBackground);
    color: white;
    padding: var(--spacingVerticalXS) var(--spacingHorizontalS);
    border-radius: var(--borderRadiusMedium);
    font-size: var(--font-size-200);
    font-weight: var(--font-weight-medium);
}

.property-content {
    padding: var(--spacingVerticalL) var(--spacingHorizontalL);
}

.property-title {
    font-size: var(--font-size-400);
    font-weight: var(--font-weight-semibold);
    color: var(--colorNeutralForeground1);
    margin: 0 0 var(--spacingVerticalS) 0;
    line-height: var(--line-height-400);
}

.property-address {
    font-size: var(--font-size-300);
    color: var(--colorNeutralForeground3);
    margin: 0 0 var(--spacingVerticalM) 0;
}

.property-details {
    display: flex;
    gap: var(--spacingHorizontalL);
    flex-wrap: wrap;
}

.property-details span {
    font-size: var(--font-size-200);
    color: var(--colorNeutralForeground2);
    padding: var(--spacingVerticalXS) var(--spacingHorizontalS);
    background-color: var(--colorNeutralBackground3);
    border-radius: var(--borderRadiusMedium);
}

/* ============== LOADING & MODALS ============== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-screen.hidden {
    display: none;
}

.loading-content {
    text-align: center;
    max-width: 300px;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--colorNeutralStroke2);
    border-top: 3px solid var(--colorBrandBackground);
    border-radius: var(--borderRadiusCircular);
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacingVerticalL) auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-content h3 {
    font-size: var(--font-size-500);
    font-weight: var(--font-weight-semibold);
    color: var(--colorNeutralForeground1);
    margin: 0 0 var(--spacingVerticalS) 0;
}

.loading-content p {
    font-size: var(--font-size-300);
    color: var(--colorNeutralForeground3);
    margin: 0;
}

/* Auth Modal */
.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.auth-modal.hidden {
    display: none !important;
}

.auth-modal-content {
    background-color: var(--colorNeutralBackground1);
    border-radius: var(--borderRadiusXLarge);
    box-shadow: var(--shadow-64);
    padding: var(--spacingVerticalXXXL);
    max-width: 400px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacingVerticalXXL);
}

.auth-header h2 {
    font-size: var(--font-size-600);
    font-weight: var(--font-weight-semibold);
    color: var(--colorNeutralForeground1);
    margin: 0 0 var(--spacingVerticalS) 0;
}

.auth-header p {
    font-size: var(--font-size-300);
    color: var(--colorNeutralForeground3);
    margin: 0;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacingVerticalL);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacingVerticalS);
}

.form-group label {
    font-size: var(--font-size-300);
    font-weight: var(--font-weight-medium);
    color: var(--colorNeutralForeground1);
}

/* ============== TABS ============== */
.property-tabs,
.tab-navigation {
    display: flex;
    gap: var(--spacingHorizontalS);
    border-bottom: 1px solid var(--colorNeutralStroke2);
    margin-bottom: var(--spacingVerticalL);
}

.tab-btn,
.property-tab-btn {
    background: transparent;
    border: none;
    padding: var(--spacingVerticalM) var(--spacingHorizontalL);
    color: var(--colorNeutralForeground2);
    cursor: pointer;
    font-size: var(--font-size-300);
    font-weight: var(--font-weight-medium);
    border-bottom: 2px solid transparent;
    transition: all var(--durationFast) var(--curveEasyEase);
}

.tab-btn:hover,
.property-tab-btn:hover {
    color: var(--colorNeutralForeground1);
    background-color: var(--colorNeutralBackground3);
}

.tab-btn.active,
.property-tab-btn.active {
    color: var(--colorBrandForeground1);
    border-bottom-color: var(--colorBrandForeground1);
    background-color: var(--colorBrandBackgroundSelected);
}

/* ============== SEARCH DROPDOWN ============== */
.search-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--colorNeutralBackground1);
    border: 1px solid var(--colorNeutralStroke1);
    border-radius: var(--borderRadiusMedium);
    box-shadow: var(--shadow-16);
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
    margin-top: 2px;
}

.search-dropdown.hidden {
    display: none;
}

/* ============== UTILITIES ============== */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.d-flex {
    display: flex;
}

.align-items-center {
    align-items: center;
}

.justify-content-center {
    justify-content: center;
}

.gap-s {
    gap: var(--spacingHorizontalS);
}

.gap-m {
    gap: var(--spacingHorizontalM);
}

.gap-l {
    gap: var(--spacingHorizontalL);
}

/* ============== RESPONSIVE ============== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--durationNormal) var(--curveEasyEase);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .top-header {
        padding: var(--spacingVerticalM) var(--spacingHorizontalL);
    }
    
    .page {
        padding: var(--spacingVerticalL);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ============== ACCESSIBILITY ============== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

@media (prefers-contrast: high) {
    :root {
        --colorNeutralStroke1: #000000;
        --colorNeutralStroke2: #000000;
        --shadow-2: none;
        --shadow-4: none;
        --shadow-8: none;
    }
}