:root {
    --primary-500: #1a73e8;
    --primary-600: #1765cc;
    --primary-700: #174ea6;
    --primary-800: #0d47a1;
    
    --accent-blue: #1a73e8;
    --accent-green: #1e8e3e;
    --accent-orange: #f29900;
    --accent-red: #d93025;
    
    --gray-50: #f8f9fa;
    --gray-100: #f1f3f4;
    --gray-200: #e8eaed;
    --gray-300: #dadce0;
    --gray-400: #bdc1c6;
    --gray-500: #9aa0a6;
    --gray-600: #80868b;
    --gray-700: #5f6368;
    --gray-800: #3c4043;
    --gray-900: #202124;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #f1f3f4;
    
    /* Semantic Colors */
    --success-bg: #e6f4ea;
    --success-border: #1e8e3e;
    --success-text: #137333;
    
    --warning-bg: #fef7e0;
    --warning-border: #f29900;
    --warning-text: #b06000;
    
    --danger-bg: #fce8e6;
    --danger-border: #d93025;
    --danger-text: #c5221f;
    
    --info-bg: #e8f0fe;
    --info-border: #1a73e8;
    --info-text: #174ea6;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius - Subtle */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows - Subtle */
    --shadow-sm: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
    --shadow-md: 0 1px 3px 0 rgba(60, 64, 67, 0.3), 0 4px 8px 3px rgba(60, 64, 67, 0.15);
    --shadow-lg: 0 2px 6px 2px rgba(60, 64, 67, 0.15), 0 8px 24px 4px rgba(60, 64, 67, 0.15);
    --shadow-xl: 0 4px 16px 6px rgba(60, 64, 67, 0.15);
    --shadow-2xl: 0 8px 28px 6px rgba(60, 64, 67, 0.15);
    
    /* Transitions - Smooth */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Resets & Base Styles */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overscroll-behavior-y: contain;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background: var(--bg-secondary);
    color: var(--gray-900);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    font-size: clamp(0.875rem, 1vw, 1rem);
}

a,
a:visited,
a:hover,
a:active,
a:focus {
  text-decoration: none;
  color: inherit;
  outline: none;
  box-shadow: none;
}


/* Loading Overlay */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.loading-overlay.active {
    display: flex;
    opacity: 1;
}

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

.loader {
    position: relative;
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
}

.loader-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-radius: 50%;
    animation: spin 1.2s linear infinite;
}

.loader-ring:nth-child(1) {
    border-top-color: var(--primary-500);
    animation-delay: 0s;
}

.loader-ring:nth-child(2) {
    border-right-color: var(--accent-green);
    animation-delay: 0.15s;
}

.loader-ring:nth-child(3) {
    border-bottom-color: var(--accent-orange);
    animation-delay: 0.3s;
}

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

.loader-text {
    font-size: clamp(0.875rem, 1vw, 1rem);
    font-weight: 500;
    color: var(--gray-700);
}

.admin-bar {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--gray-200);
    padding: var(--space-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1001;
    box-shadow: var(--shadow-sm);
}

.admin-bar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    cursor: pointer;
}

.admin-icon {
    font-size: 32px;
    color: var(--primary-500);
}

.admin-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.admin-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-900);
}

.admin-role {
    font-size: 0.75rem;
    color: var(--gray-600);
}

.admin-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.session-info {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.813rem;
    color: var(--gray-700);
    background: var(--bg-secondary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-md);
}

.session-info .material-icons-round {
    font-size: 18px;
}

.admin-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    color: var(--gray-700);
}

.admin-btn:hover {
    background: var(--bg-secondary);
    color: var(--primary-500);
}

.admin-btn .material-icons-round {
    font-size: 20px;
}

/* Navigation  */

.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 3vw, 2rem);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.brand-icon {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-base);
}

.nav-brand:hover .brand-icon{
    transform: scale(1.05);
}

.brand-icon .material-icons-round {
    color: white;
    font-size: 24px;
}

.brand-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.brand-text h1 {
    font-family: 'Archivo', sans-serif;
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -0.01em;
}

.brand-subtitle {
    font-size: clamp(0.625rem, 1vw, 0.75rem);
    font-weight: 500;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav-actions {
    display: flex;
    gap: var(--space-sm);
}

.nav-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.nav-btn:hover {
    background: var(--gray-100);
}

.nav-btn .material-icons-round {
    color: var(--gray-700);
    font-size: 20px;
}

/* Hero Section */

.hero-section {
    padding: clamp(2rem, 6vw, 4rem) 0;
    background: var(--bg-primary);
    position: relative;
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 3vw, 2rem);
}

.hero-content {
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--info-bg);
    border: 1px solid var(--info-border);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: clamp(0.75rem, 1vw, 0.875rem);
    font-weight: 500;
    color: var(--info-text);
    margin-bottom: var(--space-lg);
}

.hero-badge .material-icons-round {
    font-size: 18px;
    color: var(--primary-500);
}

.hero-title {
    font-family: 'Archivo', sans-serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.hero-description {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    color: var(--gray-700);
    line-height: 1.6;
    margin-bottom: var(--space-2xl);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-lg);
}

.stat-card {
    background: var(--bg-primary);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-500);
}

.stat-number {
    font-family: 'Archivo', sans-serif;
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--primary-500);
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: clamp(0.75rem, 1vw, 0.875rem);
    font-weight: 500;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.page-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--gray-200);
    padding: var(--space-lg) 0;
}

.page-header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 3vw, 2rem);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-lg);
}

.page-title-group {
    flex: 1;
}

.page-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--gray-900);
    margin: 0 0 var(--space-xs) 0;
}

.page-description {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin: 0;
}

.page-stats {
    display: flex;
    gap: var(--space-md);
}

.stat-badge {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 0.813rem;
    font-weight: 500;
    color: var(--gray-700);
}

.stat-badge .material-icons-round {
    font-size: 18px;
    color: var(--primary-500);
}

/* Main Content */

.main-content {
    padding: var(--space-xl) 0;
    background: var(--bg-secondary);
    min-height: calc(100vh - 120px);
}

.content-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 3vw, 2rem);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: start;
}

/* Feature Cards */

.feature-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--gray-300);
}

.card-header {
    padding: var(--space-xl);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.fraud-icon {
    background: var(--primary-500);
}

.damage-icon {
    background: var(--accent-green);
}

.card-icon .material-icons-round {
    color: white;
    font-size: 24px;
}

.card-title-group {
    flex: 1;
}

.card-title {
    font-family: 'Archivo', sans-serif;
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-xs);
    letter-spacing: -0.01em;
}

.card-subtitle {
    font-size: clamp(0.8125rem, 1vw, 0.875rem);
    color: var(--gray-600);
    font-weight: 400;
}

.card-body {
    padding: var(--space-xl);
}

/* Forms */

.form-section {
    margin-bottom: var(--space-2xl);
}

.form-section:last-of-type {
    margin-bottom: var(--space-xl);
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--gray-200);
}

.section-header .material-icons-round {
    color: var(--primary-500);
    font-size: 24px;
}

.section-header h4 {
    font-family: 'Archivo', sans-serif;
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    font-weight: 600;
    color: var(--gray-800);
}

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

.form-field {
    display: flex;
    flex-direction: column;
}

.form-label {
    font-size: clamp(0.8125rem, 1vw, 0.875rem);
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--space-sm);
}

.input-wrapper,
.select-wrapper {
    position: relative;
}

.form-input,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: clamp(0.875rem, 1vw, 0.9375rem);
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--gray-900);
    background: var(--bg-primary);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    outline: none;
    transition: all var(--transition-base);
}

.form-input:hover,
.form-select:hover {
    border-color: var(--gray-400);
}

.form-input:focus,
.form-select:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.input-with-icon .form-input {
    padding-left: 2.5rem;
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-weight: 500;
    color: var(--gray-600);
    pointer-events: none;
}

.select-wrapper {
    position: relative;
}

.form-select {
    appearance: none;
    padding-right: 2.5rem;
    cursor: pointer;
}

.select-arrow {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-600);
    pointer-events: none;
    font-size: 20px;
}

/* Buttons */

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: clamp(0.875rem, 1.5vw, 1rem) clamp(1.5rem, 3vw, 2rem);
    font-size: clamp(0.9375rem, 1vw, 1rem);
    font-weight: 500;
    color: white;
    background: var(--primary-500);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--primary-600);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-large {
    width: 100%;
    padding: clamp(1rem, 2vw, 1.25rem) clamp(1.5rem, 3vw, 2rem);
    font-size: clamp(0.9375rem, 1vw, 1.0625rem);
}

.btn-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-icon:hover {
    background: var(--gray-100);
}

.btn-icon .material-icons-round {
    color: var(--gray-600);
    font-size: 20px;
}

/* Upload Area */

.upload-area {
    position: relative;
    margin-bottom: var(--space-xl);
}

.file-input {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
}

.upload-label {
    display: block;
    padding: clamp(2rem, 4vw, 3rem) var(--space-xl);
    background: var(--bg-secondary);
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.upload-label:hover {
    border-color: var(--primary-500);
    background: var(--info-bg);
}

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

.upload-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-lg);
    background: var(--primary-500);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-icon .material-icons-round {
    color: white;
    font-size: 28px;
}

.upload-title {
    font-family: 'Archivo', sans-serif;
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.upload-subtitle {
    font-size: clamp(0.875rem, 1vw, 0.9375rem);
    color: var(--gray-600);
    margin-bottom: var(--space-md);
}

.upload-hint {
    font-size: clamp(0.75rem, 1vw, 0.8125rem);
    color: var(--gray-500);
    font-weight: 400;
}

/* Preview Container */

.preview-container {
    margin-bottom: var(--space-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    border: 1px solid var(--gray-200);
    transition: opacity var(--transition-base);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.preview-title {
    font-weight: 500;
    color: var(--gray-700);
    font-size: clamp(0.8125rem, 1vw, 0.875rem);
}

.preview-image {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    border: 1px solid var(--gray-200);
}

/* Result Containers */

.result-container {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    padding: var(--space-xl);
    border-radius: var(--radius-md);
    margin-top: var(--space-xl);
    border: 1px solid;
}

.result-success {
    background: var(--success-bg);
    border-color: var(--success-border);
}

.result-danger {
    background: var(--danger-bg);
    border-color: var(--danger-border);
}

.result-info {
    background: var(--info-bg);
    border-color: var(--info-border);
}

.result-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.result-success .result-icon {
    background: var(--success-border);
}

.result-danger .result-icon {
    background: var(--danger-border);
}

.result-info .result-icon {
    background: var(--info-border);
}

.result-icon .material-icons-round {
    color: white;
    font-size: 24px;
}

.result-content {
    flex: 1;
}

.result-title {
    font-family: 'Archivo', sans-serif;
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.result-success .result-title {
    color: var(--success-text);
}

.result-danger .result-title {
    color: var(--danger-text);
}

.result-info .result-title {
    color: var(--info-text);
}

.result-text {
    font-size: clamp(0.875rem, 1vw, 0.9375rem);
    line-height: 1.5;
}

.result-success .result-text {
    color: var(--success-text);
}

.result-danger .result-text {
    color: var(--danger-text);
}

.result-info .result-text {
    color: var(--info-text);
}

/* Chatbot */

.chat-fab {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    background: var(--primary-500);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    margin-bottom: 4rem;
    transition: all var(--transition-base);
}

.chat-fab:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
    background: var(--primary-600);
}

.chat-icon {
    color: white;
    font-size: 28px;
}

.chat-pulse {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-full);
    background: var(--primary-500);
    animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-ring {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    100% {
        transform: scale(1.4);
        opacity: 0;
    }
}

.chat-window {
    position: fixed;
    bottom: 6rem;
    right: 2rem;
    width: 400px;
    height: 600px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--gray-200);
    display: none;
    flex-direction: column;
    overflow: hidden;
    z-index: 1100;
}

.chat-window.active {
    display: flex;
}

.chat-header {
    background: var(--primary-500);
    padding: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.chat-avatar {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-avatar .material-icons-round {
    color: white;
    font-size: 24px;
}

.chat-header-text h4 {
    color: white;
    font-size: clamp(0.9375rem, 1vw, 1rem);
    font-weight: 500;
    margin-bottom: 2px;
}

.chat-status {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.9);
}

.status-dot {
    width: 10px;
    height: 10px;
    background: var(--accent-green);
    border-radius: var(--radius-full);
    border: 2px solid white;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1);
}

.chat-header .btn-icon .material-icons-round {
    color: white;
}

.chat-header .btn-icon:hover {
    background: rgba(255, 255, 255, 0.15);
}

.chat-body {
    flex: 1;
    padding: var(--space-lg);
    overflow-y: auto;
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.chat-body::-webkit-scrollbar {
    width: 6px;
}

.chat-body::-webkit-scrollbar-track {
    background: transparent;
}

.chat-body::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-full);
}

.message-container {
    display: flex;
    gap: var(--space-sm);
}

.bot-message {
    align-self: flex-start;
}

.user-message {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--primary-500);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.message-avatar .material-icons-round {
    color: white;
    font-size: 18px;
}

.user-message .message-avatar {
    background: var(--gray-400);
}

.message-bubble {
    max-width: 75%;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-size: clamp(0.875rem, 1vw, 0.9375rem);
    line-height: 1.5;
}

.bot-message .message-bubble {
    background: var(--bg-primary);
    color: var(--gray-900);
    border: 1px solid var(--gray-200);
}

.user-message .message-bubble {
    background: var(--primary-500);
    color: white;
}

.message-bubble p {
    margin: 0;
}

.chat-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--gray-200);
    background: var(--bg-primary);
}

.chat-input-container {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.chat-input {
    flex: 1;
    padding: 0.75rem 1rem;
    font-size: clamp(0.875rem, 1vw, 0.9375rem);
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--gray-900);
    background: var(--bg-secondary);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-full);
    outline: none;
    transition: all var(--transition-base);
}

.chat-input:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.btn-send {
    width: 40px;
    height: 40px;
    background: var(--primary-500);
    border-radius: var(--radius-full);
}

.btn-send:hover {
    background: var(--primary-600);
    transform: scale(1.05);
}

.btn-send .material-icons-round {
    color: white;
}

.chat-disclaimer {
    font-size: 0.75rem;
    color: var(--gray-500);
    text-align: center;
    margin: 0;
}

/* Footer */

.footer {
    margin-top: var(--space-3xl);
    padding: var(--space-xl) 0;
    background: var(--bg-primary);
    border-top: 1px solid var(--gray-200);
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 3vw, 2rem);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.footer-content {
    display: flex;
    flex-direction: column;
}

.footer-text {
    color: var(--gray-700);
    font-size: clamp(0.8125rem, 1vw, 0.875rem);
    margin-bottom: var(--space-xs);
}

.footer-credit {
    color: var(--gray-600);
    font-size: clamp(0.75rem, 1vw, 0.8125rem);
    margin-top: var(--space-sm);
}

.highlight {
    font-weight: 600;
    color: var(--primary-500);
    padding-left: 2px;
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.footer-link {
    color: var(--gray-700);
    font-size: clamp(0.8125rem, 1vw, 0.875rem);
    font-weight: 500;
    text-decoration: none;
    transition: color var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.footer-link:hover {
    color: var(--primary-500);
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--gray-100);
    transition: all var(--transition-base);
}

.social-icon:hover {
    background: var(--primary-500);
    color: white;
    transform: translateY(-2px);
}

.social-icon .material-icons-round {
    font-size: 20px;
    color: var(--gray-700);
    transition: color var(--transition-base);
}

.social-icon:hover .material-icons-round {
    color: white;
}

/* Responsive Design */

@media (max-width: 1024px) {
    .brand-icon {
        width: 50px;
        height: 50px;
    }
    
    .content-container {
        grid-template-columns: 1fr;
    }
    
    .admin-bar-container {
        padding: 0 var(--space-md);
    }
    
    .admin-details {
        display: none;
    }
    
    .session-info span:not(.material-icons-round) {
        font-size: 0.75rem;
    }
    
    .page-stats {
        gap: var(--space-sm);
    }
    
    .stat-badge {
        font-size: 0.75rem;
        padding: 6px 10px;
    }
    
    .chat-window {
        width: 90%;
        right: 5%;
    }
}

@media (max-width: 768px) {
    .brand-icon {
        width: 45px;
        height: 45px;
    }
    
    .page-header-container {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .page-stats {
        width: 100%;
        justify-content: flex-start;
    }
    
    .stat-badge {
        flex: 1;
        justify-content: center;
    }
    
    .card-header {
        padding: var(--space-lg);
    }
    
    .card-body {
        padding: var(--space-lg);
    }
    
    .admin-bar-container {
        padding: 0 var(--space-sm);
    }
    
    .admin-actions {
        gap: var(--space-sm);
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .main-content {
        padding: var(--space-md) 0;
    }
    
    .content-container {
        padding: 0 var(--space-md);
        gap: var(--space-lg);
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .chat-window {
        height: 70vh;
        bottom: 5rem;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-stats {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
}

@media (max-width: 480px) {
    .brand-icon {
        width: 40px;
        height: 40px;
    }
    
    .brand-text h1 {
        font-size: 1rem;
    }
    
    .card-header {
        padding: var(--space-md);
    }
    
    .card-body {
        padding: var(--space-md);
    }
    
    .brand-subtitle {
        display: none;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .chat-fab {
        bottom: 1rem;
        right: 1rem;
        width: 48px;
        height: 48px;
    }
    
    .chat-icon {
        font-size: 24px;
    }
}

/* Form Disclaimer */
.form-disclaimer {
    margin-top: var(--space-md);
    font-size: 0.8125rem;
    color: var(--gray-600);
    background: var(--info-bg);
    border: 1px solid var(--info-border);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    display: flex;
    align-items: flex-start;
    gap: var(--space-xs);
    line-height: 1.5;
}

/* Upload Inline Error */
.upload-error {
    margin-top: var(--space-sm);
    font-size: 0.8125rem;
    color: var(--danger-text);
    background: var(--danger-bg);
    border: 1px solid var(--danger-border);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    font-weight: 500;
}

/* KEY Indicator Badge */
.key-badge {
    display: inline-block;
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: #b45309;
    background: #fef3c7;
    border: 1px solid #fbbf24;
    border-radius: 4px;
    padding: 1px 5px;
    vertical-align: middle;
    margin: 0 4px;
    line-height: 1.6;
}

/* Field Hint Text */
.field-hint {
    display: block;
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: 4px;
    line-height: 1.4;
    font-style: italic;
}

/* Fraud Legend */
.fraud-legend {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: #fffbeb;
    border: 1px solid #fbbf24;
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-xl);
    font-size: 0.8125rem;
    color: var(--gray-700);
    flex-wrap: wrap;
}

.legend-sep {
    color: var(--gray-400);
}

.legend-hint {
    color: var(--gray-500);
}

/* Advanced / Collapsible Section */
.advanced-section {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-xl);
    overflow: hidden;
}

.advanced-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-700);
    background: var(--bg-secondary);
    cursor: pointer;
    list-style: none;
    user-select: none;
    transition: background var(--transition-fast);
}

.advanced-toggle::-webkit-details-marker { display: none; }

.advanced-toggle:hover {
    background: var(--gray-100);
}

.advanced-toggle .material-icons-round {
    font-size: 20px;
    color: var(--gray-600);
}

.advanced-note {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--gray-500);
    font-weight: 400;
}

.toggle-chevron {
    transition: transform var(--transition-base);
}

details[open] .toggle-chevron {
    transform: rotate(180deg);
}

.advanced-grid {
    padding: var(--space-lg);
    background: var(--bg-primary);
}