/* Modern UI Design for Evidencer Cloud */
/* Using Gradient Design System with Glassmorphism and Neumorphism */

/* CSS Variables for Modern Theme */
:root {
    /* Gradient Colors */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-success: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --gradient-warning: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --gradient-dark: linear-gradient(135deg, #1e1e2e 0%, #2a2a3e 100%);
    --gradient-sidebar: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
    
    /* Solid Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: rgba(26, 26, 46, 0.95);
    --bg-tertiary: rgba(42, 42, 62, 0.7);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --bg-glass-hover: rgba(255, 255, 255, 0.08);
    
    --text-primary: #ffffff;
    --text-secondary: #b8bfc6;
    --text-muted: #8892a0;
    
    --accent: #667eea;
    --accent-light: #764ba2;
    --accent-glow: rgba(102, 126, 234, 0.5);
    
    --success: #43e97b;
    --warning: #fa709a;
    --error: #f5576c;
    
    --border: rgba(255, 255, 255, 0.1);
    --border-light: rgba(255, 255, 255, 0.2);
    
    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px rgba(102, 126, 234, 0.3);
    
    /* Animations */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-med: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 100%);
    color: var(--text-primary);
    height: 100vh;
    display: flex;
    overflow: hidden;
    position: relative;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(118, 75, 162, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(79, 172, 254, 0.05) 0%, transparent 50%);
    z-index: -1;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(1deg); }
    66% { transform: translate(-20px, 20px) rotate(-1deg); }
}

/* Modern Sidebar */
#sidebar {
    width: 280px;
    background: var(--gradient-sidebar);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-med);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

#sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(102, 126, 234, 0.1) 100%);
    pointer-events: none;
}

.sidebar-header {
    padding: 30px 25px;
    border-bottom: 1px solid var(--border);
    position: relative;
    z-index: 1;
}

.sidebar-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.case-info {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.5px;
    opacity: 0.8;
}

.nav-buttons {
    flex: 1;
    padding: 20px 15px;
    position: relative;
    z-index: 1;
}

.nav-btn {
    width: 100%;
    padding: 16px 20px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: all var(--transition-fast);
    border-radius: 12px;
    margin-bottom: 8px;
    position: relative;
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-glass);
    border-radius: 12px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.nav-btn:hover {
    color: var(--text-primary);
    transform: translateX(5px);
}

.nav-btn:hover::before {
    opacity: 1;
}

.nav-btn.active {
    color: var(--text-primary);
    background: var(--gradient-primary);
    box-shadow: var(--shadow-glow);
    transform: scale(1.02);
}

.nav-btn.active::after {
    content: '';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.nav-btn .icon {
    font-size: 1.3rem;
    width: 28px;
    filter: grayscale(30%);
}

.nav-btn.active .icon {
    filter: none;
}

.sidebar-footer {
    padding: 25px;
    border-top: 1px solid var(--border);
    position: relative;
    z-index: 1;
}

.logout-btn {
    width: 100%;
    padding: 12px;
    background: rgba(245, 87, 108, 0.1);
    color: var(--error);
    border: 1px solid rgba(245, 87, 108, 0.3);
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.logout-btn:hover {
    background: var(--gradient-secondary);
    color: white;
    border-color: transparent;
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

/* Main Content Area */
#app {
    flex: 1;
    overflow-y: auto;
    padding: 0;
    position: relative;
}

.view {
    display: none;
    padding: 40px;
    max-width: 1400px;
    margin: 0 auto;
    animation: fadeIn var(--transition-med);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.view.active {
    display: block;
}

.view-header {
    margin-bottom: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.view-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.header-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

/* Glass Card Component */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    transition: all var(--transition-med);
}

.glass-card:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Modern Forms */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    background: var(--bg-glass-hover);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group small {
    display: block;
    margin-top: 6px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Modern Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left var(--transition-med);
}

.btn:hover::before {
    left: 100%;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-light);
    box-shadow: var(--shadow-md);
}

.btn-accent {
    background: var(--gradient-success);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-accent:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

/* Modern Login Container */
.login-container {
    max-width: 450px;
    margin: 100px auto;
    padding: 50px 40px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.login-container::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-primary);
    border-radius: 20px;
    z-index: -1;
    opacity: 0.3;
    filter: blur(20px);
}

.login-container h2 {
    margin-bottom: 12px;
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-container p {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 35px;
    font-size: 0.95rem;
}

/* Library Grid with Glass Cards */
.library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.file-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    transition: all var(--transition-med);
    position: relative;
    overflow: hidden;
}

.file-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-med);
}

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

.file-card:hover::before {
    transform: scaleX(1);
}

.file-card h3 {
    margin-bottom: 12px;
    font-size: 1.2rem;
    color: var(--text-primary);
    font-weight: 600;
}

.file-meta {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 12px;
    display: flex;
    gap: 15px;
}

.file-summary {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.file-actions {
    display: flex;
    gap: 12px;
}

.file-actions button {
    flex: 1;
    padding: 10px;
    font-size: 0.85rem;
}

/* Search Components */
.search-container {
    max-width: 900px;
    margin: 0 auto;
}

.search-box {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
    padding: 30px;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 20px;
}

.search-input,
.search-input-large {
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.search-input-large {
    flex: 1;
    padding: 16px 24px;
    font-size: 1.1rem;
}

.search-input:focus,
.search-input-large:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-result {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
    transition: all var(--transition-med);
}

.search-result:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
}

.ai-answer {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    backdrop-filter: blur(10px);
    border: 1px solid var(--accent);
    border-radius: 16px;
    padding: 28px;
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
}

.ai-answer::before {
    content: '✨';
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 1.5rem;
}

.ai-answer h3 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
    font-size: 1.3rem;
    font-weight: 600;
}

/* Pattern Analysis Cards */
.patterns-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.pattern-section {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    transition: all var(--transition-med);
}

.pattern-section:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow-md);
}

.pattern-section h3 {
    margin-bottom: 20px;
    font-size: 1.3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 600;
}

.category-item {
    display: flex;
    justify-content: space-between;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 10px;
    margin-bottom: 10px;
    transition: all var(--transition-fast);
}

.category-item:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateX(4px);
}

.category-item .count {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
    font-size: 1.1rem;
}

/* Upload Dropzone */
.upload-dropzone {
    border: 2px dashed var(--border);
    border-radius: 20px;
    padding: 80px 30px;
    text-align: center;
    transition: all var(--transition-med);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    position: relative;
}

.upload-dropzone::before {
    content: '☁️';
    font-size: 3rem;
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.upload-dropzone.dragover {
    border-color: var(--accent);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    box-shadow: var(--shadow-glow);
}

.upload-dropzone p {
    margin-bottom: 24px;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-top: 40px;
}

/* Motion Assistant */
.motion-textarea {
    width: 100%;
    height: 350px;
    padding: 20px;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 16px;
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.7;
    resize: vertical;
    transition: all var(--transition-fast);
}

.motion-textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.motion-options {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
    display: flex;
    gap: 20px;
    align-items: center;
}

/* Modal with Blur Background */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(10px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn var(--transition-med);
}

.modal-content {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-lg);
}

/* Progress Bar */
.progress-bar {
    height: 40px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    transition: width var(--transition-med);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
}

.progress-fill::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Status Indicators */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 8px;
    animation: pulse 2s infinite;
}

.status-dot.online {
    background: var(--success);
    box-shadow: 0 0 10px var(--success);
}

.status-dot.offline {
    background: var(--error);
    box-shadow: 0 0 10px var(--error);
}

.status-dot.pending {
    background: var(--warning);
    box-shadow: 0 0 10px var(--warning);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 6px;
    border: 2px solid transparent;
    background-clip: padding-box;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-secondary);
    background-clip: padding-box;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border);
    border-radius: 50%;
    border-top-color: var(--accent);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Tooltips */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 12px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.85rem;
    border-radius: 8px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.tooltip:hover::after {
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    #sidebar {
        position: fixed;
        z-index: 100;
        transform: translateX(-100%);
        width: 260px;
    }
    
    #sidebar.open {
        transform: translateX(0);
    }
    
    .view {
        padding: 20px;
    }
    
    .view-header h2 {
        font-size: 1.8rem;
    }
    
    .patterns-container {
        grid-template-columns: 1fr;
    }
    
    .library-grid {
        grid-template-columns: 1fr;
    }
    
    .search-box {
        flex-direction: column;
    }
}

/* Print Styles */
@media print {
    #sidebar {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .btn, .header-actions {
        display: none;
    }
}