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

:root {
    /* Typography */
    --font-family: 'Russo One', monospace;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 30px;
    --font-size-4xl: 36px;
    --font-size-5xl: 48px;

    /* Colors - Black & White Theme */
    --color-primary: #000000;
    --color-secondary: #333333;
    --color-surface: #ffffff;
    --color-background: #fff9f2;
    --color-text: #000000;
    --color-text-muted: #666666;
    --color-gray-100: #f8f9fa;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-success: #28a745;
    --color-error: #dc3545;
    --color-warning: #ffc107;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;

    /* Borders & Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows - 3D Effect */
    --shadow-3d: 4px 4px 0px rgba(0, 0, 0, 1);
    --shadow-3d-active: 2px 2px 0px rgba(0, 0, 0, 1);
    --shadow-3d-hover: 6px 6px 0px rgba(0, 0, 0, 0.8);

    /* Transitions */
    --transition-base: all 0.2s ease;
    --transition-fast: all 0.1s ease;

    /* Layout */
    --header-height: 80px;
}

/* Base Styles */
html {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* Touch optimizations */
    -webkit-text-size-adjust: 100%;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background-color: var(--color-background);
    position: relative;
    font-weight: 400;
    /* Touch optimizations */
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(139, 69, 19, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(205, 133, 63, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(222, 184, 135, 0.02) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* App Container */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--color-background);
}

/* Header - Same as PFP Maker */
.app-header {
    background-color: var(--color-surface);
    border-bottom: 3px solid var(--color-primary);
    padding: var(--spacing-lg) var(--spacing-xl);
    box-shadow: var(--shadow-3d);
    position: relative;
    z-index: 100;
}

.app-header::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.app-title {
    font-size: var(--font-size-5xl);
    font-weight: 400;
    color: var(--color-primary);
    margin: 0;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    text-shadow: 2px 2px 0px rgba(0, 0, 0, 0.1);
}

.app-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.8;
}

.header-link {
    color: var(--color-primary);
    text-decoration: none;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface);
    border: 2px solid var(--color-primary);
    box-shadow: var(--shadow-3d);
    min-width: 44px;
    min-height: 44px;
}

.header-link:hover {
    color: var(--color-surface);
    background-color: var(--color-primary);
    transform: translate(2px, 2px);
    box-shadow: var(--shadow-3d-active);
}

/* Search Workspace */
.search-workspace {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--color-background);
    min-height: calc(100vh - var(--header-height));
}

.workspace-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    position: relative;
}

.workspace-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 0, 0, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 0, 0, 0.02) 0%, transparent 50%);
    pointer-events: none;
    border-radius: var(--radius-xl);
    z-index: -1;
}

/* Search Section */
.search-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: center;
    text-align: center;
}

.search-header h2 {
    font-size: var(--font-size-4xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

.search-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.search-container {
    width: 100%;
    max-width: 700px;
}

.search-input-wrapper {
    position: relative;
    background-color: var(--color-surface);
    border: 3px solid var(--color-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-3d);
    padding: var(--spacing-lg);
}

.search-input {
    width: 100%;
    font-family: var(--font-family);
    font-size: var(--font-size-xl);
    padding: var(--spacing-lg);
    border: none;
    outline: none;
    background: transparent;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.search-input::placeholder {
    color: var(--color-text-muted);
    opacity: 0.7;
    text-transform: none;
    letter-spacing: normal;
}

.search-status {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--color-gray-200);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--color-gray-300);
    transition: var(--transition-base);
}

.status-indicator.connected {
    background-color: var(--color-success);
    box-shadow: 0 0 8px var(--color-success);
}

.status-indicator.searching {
    background-color: var(--color-warning);
    animation: pulse 1s infinite;
}

.status-indicator.error {
    background-color: var(--color-error);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Results Section */
.results-section {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.result-container {
    width: 100%;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.result-placeholder {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--color-text-muted);
}

.result-placeholder svg {
    opacity: 0.3;
    margin-bottom: var(--spacing-lg);
}

.result-placeholder h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
}

.result-content {
    width: 100%;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-3xl);
    margin: 0 auto;
}

.result-image-container {
    position: relative;
    background-color: var(--color-surface);
    border: 3px solid var(--color-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-3d);
    overflow: hidden;
    width: 100%;
    max-width: 450px;
    aspect-ratio: 1;
    margin: 0 auto;
}

.result-image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.result-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.result-image-container:hover .result-overlay {
    opacity: 1;
    pointer-events: auto;
}

.btn-export {
    background-color: var(--color-surface);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 400;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-3d);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    min-height: 44px;
    text-decoration: none;
    white-space: nowrap;
}

.btn-export:hover {
    background-color: var(--color-primary);
    color: var(--color-surface);
    transform: translate(1px, 1px);
    box-shadow: var(--shadow-3d-active);
}

.result-confidence {
    background-color: var(--color-surface);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    box-shadow: var(--shadow-3d);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    justify-content: center;
    font-weight: 400;
    width: fit-content;
    margin: 0 auto;
}

.confidence-score {
    font-weight: 400;
    color: var(--color-success);
    font-size: var(--font-size-lg);
}

/* Loading, Error States */
.result-loading, .result-error {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--color-text-muted);
}

.result-error {
    color: var(--color-error);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-gray-300);
    border-top: 3px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-lg);
}

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

/* Stats Section */
.stats-section {
    margin-top: auto;
    padding-top: var(--spacing-xl);
}

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

.stat-item {
    background-color: var(--color-surface);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-3d);
    transition: var(--transition-base);
}

.stat-item:hover {
    transform: translate(-1px, -1px);
    box-shadow: var(--shadow-3d-hover);
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 400;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Notifications */
.notifications {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 400px;
}

.notification {
    background-color: var(--color-surface);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-3d);
    position: relative;
    animation: slideIn 0.3s ease-out;
    font-size: var(--font-size-sm);
}

.notification.success {
    border-color: var(--color-success);
}

.notification.error {
    border-color: var(--color-error);
}

.notification.warning {
    border-color: var(--color-warning);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .workspace-container {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .search-header h2 {
        font-size: var(--font-size-3xl);
    }
    
    .search-input {
        font-size: var(--font-size-lg);
        padding: var(--spacing-md);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: center;
    }
    
    .app-title {
        font-size: var(--font-size-4xl);
    }
    
    .result-image-container {
        max-width: 300px;
    }
    
    .result-content {
        gap: var(--spacing-lg);
    }
    
    .result-confidence {
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    .workspace-container {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .search-section {
        gap: var(--spacing-md);
    }
    
    .search-input-wrapper {
        padding: var(--spacing-md);
    }
    
    .search-input {
        font-size: var(--font-size-base);
        padding: var(--spacing-sm);
    }
    
    .app-title {
        font-size: var(--font-size-3xl);
    }
    
    .header-link {
        min-width: 40px;
        min-height: 40px;
        padding: var(--spacing-sm);
    }
}