/* ===================================
   CSS VARIABLES & RESET
   =================================== */
:root {
    /* Color Palette */
    --bg-primary: #0a0e27;
    --bg-secondary: #16213e;
    --accent-primary: #4361ee;
    --accent-secondary: #7209b7;
    --accent-glow: #f72585;
    --text-primary: #ffffff;
    --text-secondary: #b8c1ec;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --success: #06ffa5;
    --warning: #ffbe0b;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.37);
    --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.5);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* ===================================
   ANIMATED GRADIENT BACKGROUND
   =================================== */
.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, 
        var(--bg-primary) 0%,
        var(--bg-secondary) 25%,
        #1a0b2e 50%,
        var(--bg-secondary) 75%,
        var(--bg-primary) 100%
    );
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ===================================
   GLASSMORPHISM CARD BASE
   =================================== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

/* ===================================
   CONTAINER & LAYOUT
   =================================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

/* ===================================
   HEADER
   =================================== */
.header {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    animation: slideDown 0.6s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

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

.logo-icon {
    font-size: 2.5rem;
    animation: bounce 2s ease infinite;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.title-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.main-title {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-glow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.header-search {
    flex: 1;
    max-width: 500px;
    min-width: 280px;
}

/* Manuals Button in Header */
.manuals-btn {
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.2), rgba(114, 9, 183, 0.2));
    border: 1px solid rgba(67, 97, 238, 0.4);
    color: var(--accent-primary);
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.manuals-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.3), rgba(114, 9, 183, 0.3));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.manuals-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(67, 97, 238, 0.3);
    border-color: rgba(67, 97, 238, 0.6);
}

.manuals-btn:active {
    transform: translateY(0);
}

.manuals-icon {
    font-size: 1.1rem;
    position: relative;
    z-index: 1;
}

.manuals-text {
    position: relative;
    z-index: 1;
}

/* ===================================
   WARNING BANNER
   =================================== */
.warning-banner {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, rgba(255, 190, 11, 0.1), rgba(247, 37, 133, 0.1));
    border-left: 4px solid var(--warning);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: slideUp 0.6s ease 0.8s both;
}

@keyframes slideRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.warning-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.warning-banner p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    flex: 1;
}

.warning-banner strong {
    color: var(--warning);
}

.outputs-btn {
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.8), rgba(114, 9, 183, 0.8));
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-normal);
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(67, 97, 238, 0.3);
}

.outputs-btn span:first-child {
    font-size: 1.1rem;
}

.outputs-btn:hover {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(67, 97, 238, 0.5);
    border-color: rgba(255, 255, 255, 0.3);
}

.outputs-btn:active {
    transform: translateY(0);
}

/* ===================================
   SEARCH BAR (Integrated in Header)
   =================================== */
.search-container {
    /* Deprecated - search moved to header */
    display: none;
}

@keyframes slideLeft {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: 0.25rem;
}

.search-icon {
    font-size: 1rem;
    flex-shrink: 0;
}

.search-input {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.875rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all var(--transition-normal);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 20px rgba(67, 97, 238, 0.3);
}

.search-input::placeholder {
    color: var(--text-secondary);
}

.clear-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    transition: all var(--transition-fast);
}

.clear-btn:hover {
    color: var(--accent-glow);
    transform: scale(1.2);
}

.search-stats {
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-align: right;
    opacity: 0.8;
}

/* ===================================
   EXPERIMENTS GRID
   =================================== */
.experiments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* ===================================
   EXPERIMENT CARD
   =================================== */
.experiment-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.6s ease both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.experiment-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-glow));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

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

.experiment-card:hover {
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 12px 48px rgba(67, 97, 238, 0.3);
    transform: translateY(-8px);
}

.card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.card-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

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

.card-number {
    color: var(--accent-primary);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.25rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.card-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.files-count {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.75rem;
    background: rgba(67, 97, 238, 0.1);
    border: 1px solid rgba(67, 97, 238, 0.2);
    border-radius: 20px;
    color: var(--text-primary);
    font-size: 0.8rem;
    font-weight: 500;
    transition: all var(--transition-normal);
}

.files-count:hover {
    background: rgba(67, 97, 238, 0.15);
    border-color: rgba(67, 97, 238, 0.3);
    transform: translateY(-2px);
}

.files-count span:first-child {
    font-size: 1rem;
    line-height: 1;
}

.card-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.view-code-btn {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: var(--text-primary);
    border: none;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 2px 8px rgba(67, 97, 238, 0.25);
}

.view-code-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.view-code-btn:hover::before {
    width: 300px;
    height: 300px;
}

.view-code-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(67, 97, 238, 0.5);
}

.view-code-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(67, 97, 238, 0.3);
}

/* Stagger animation for cards */
.experiment-card:nth-child(1) { animation-delay: 0.1s; }
.experiment-card:nth-child(2) { animation-delay: 0.2s; }
.experiment-card:nth-child(3) { animation-delay: 0.3s; }
.experiment-card:nth-child(4) { animation-delay: 0.4s; }
.experiment-card:nth-child(5) { animation-delay: 0.5s; }
.experiment-card:nth-child(6) { animation-delay: 0.6s; }
.experiment-card:nth-child(7) { animation-delay: 0.7s; }
.experiment-card:nth-child(8) { animation-delay: 0.8s; }

/* ===================================
   NO RESULTS MESSAGE
   =================================== */
.no-results {
    text-align: center;
    padding: var(--spacing-xl);
    animation: fadeInUp 0.6s ease;
}

.no-results-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.no-results h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.no-results p {
    color: var(--text-secondary);
}

/* ===================================
   MODAL
   =================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    animation: scaleIn 0.3s ease;
    overflow: hidden;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.modal-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.modal-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.close-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text-primary);
    font-size: 2rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.close-btn:hover {
    background: rgba(247, 37, 133, 0.2);
    transform: rotate(90deg);
}

.modal-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

/* ===================================
   FILE TABS
   =================================== */
.file-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.tab-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid transparent;
    color: var(--text-secondary);
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
}

.tab-btn::before {
    content: '📄';
    margin-right: 0.5rem;
}

.tab-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: var(--text-primary);
    border-color: transparent;
}

/* ===================================
   CODE CONTAINER
   =================================== */
.code-container {
    border-radius: var(--radius-md);
    overflow: hidden;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.code-header {
    background: rgba(0, 0, 0, 0.4);
    padding: var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.file-name {
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.copy-btn {
    background: rgba(6, 255, 165, 0.1);
    border: 1px solid rgba(6, 255, 165, 0.3);
    color: var(--success);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-normal);
}

.copy-btn:hover {
    background: rgba(6, 255, 165, 0.2);
    transform: scale(1.05);
    box-shadow: 0 4px 16px rgba(6, 255, 165, 0.3);
}

.copy-btn:active {
    transform: scale(0.95);
}

.copy-icon,
.copy-text {
    transition: all var(--transition-fast);
}

.code-wrapper {
    max-height: 500px;
    overflow-y: auto;
}

.code-wrapper pre {
    margin: 0 !important;
    padding: var(--spacing-lg) !important;
    background: transparent !important;
}

.code-wrapper code {
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Custom scrollbar for code */
.code-wrapper::-webkit-scrollbar {
    width: 8px;
}

.code-wrapper::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

.code-wrapper::-webkit-scrollbar-thumb {
    background: rgba(67, 97, 238, 0.5);
    border-radius: 4px;
}

.code-wrapper::-webkit-scrollbar-thumb:hover {
    background: rgba(67, 97, 238, 0.7);
}

/* ===================================
   COPY FEEDBACK
   =================================== */
.copy-feedback {
    background: linear-gradient(135deg, rgba(6, 255, 165, 0.2), rgba(67, 97, 238, 0.2));
    padding: var(--spacing-md);
    text-align: center;
    color: var(--success);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.checkmark {
    font-size: 1.5rem;
    animation: checkmarkPop 0.3s ease;
}

@keyframes checkmarkPop {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

/* ===================================
   UPDATE NOTIFICATION
   =================================== */
.update-notification {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 2000;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.5s ease;
}

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

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

.update-btn {
    background: linear-gradient(135deg, var(--success), var(--accent-primary));
    color: var(--text-primary);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.update-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 16px rgba(6, 255, 165, 0.3);
}

.dismiss-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
    transition: all var(--transition-fast);
}

.dismiss-btn:hover {
    color: var(--accent-glow);
    transform: scale(1.2);
}

/* ===================================
   MANUALS MODAL
   =================================== */
.manuals-modal {
    position: relative;
    width: 95%;
    max-width: 1200px;
    max-height: 90vh;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    z-index: 10;
    animation: modalSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.manuals-header {
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(15, 52, 96, 0.4), rgba(10, 14, 39, 0.4));
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.manuals-title-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.manuals-header-icon {
    font-size: 2rem;
    animation: float 3s ease-in-out infinite;
}

.manuals-title {
    font-size: 1.5rem;
    margin: 0;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.manuals-subtitle {
    margin: 0.25rem 0 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.manuals-content {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    height: calc(90vh - 120px);
    overflow: hidden;
}

.manuals-list {
    overflow-y: auto;
    padding-right: var(--spacing-sm);
}

.manuals-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.manual-item {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    animation: fadeInUp 0.4s ease both;
}

.manual-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-primary);
    transform: translateX(4px);
}

.manual-item.active {
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.2), rgba(114, 9, 183, 0.2));
    border-color: var(--accent-primary);
    box-shadow: 0 4px 16px rgba(67, 97, 238, 0.3);
}

.manual-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.manual-info {
    flex: 1;
    min-width: 0;
}

.manual-name {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 0.25rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.manual-size {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 0;
}

.manual-preview-btn {
    background: rgba(67, 97, 238, 0.2);
    border: 1px solid rgba(67, 97, 238, 0.4);
    color: var(--accent-primary);
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    flex-shrink: 0;
}

.manual-preview-btn:hover {
    background: rgba(67, 97, 238, 0.3);
    transform: scale(1.1);
}

.manuals-preview {
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.preview-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    color: var(--text-secondary);
}

.preview-icon {
    font-size: 4rem;
    opacity: 0.5;
    animation: float 3s ease-in-out infinite;
}

.preview-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

.preview-header {
    padding: var(--spacing-md);
    background: rgba(15, 52, 96, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.preview-title {
    font-size: 1.1rem;
    margin: 0;
    color: var(--text-primary);
}

.preview-download-btn {
    background: linear-gradient(135deg, var(--success), var(--accent-primary));
    border: none;
    color: var(--text-primary);
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.preview-download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 255, 165, 0.4);
}

.preview-download-btn:active {
    transform: translateY(0);
}

.pdf-preview {
    flex: 1;
    width: 100%;
    min-height: 0;
    border: none;
    background: white;
}

/* Custom scrollbar for manuals list */
.manuals-list::-webkit-scrollbar {
    width: 6px;
}

.manuals-list::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

.manuals-list::-webkit-scrollbar-thumb {
    background: rgba(67, 97, 238, 0.5);
    border-radius: 3px;
}

.manuals-list::-webkit-scrollbar-thumb:hover {
    background: rgba(67, 97, 238, 0.7);
}

/* ===================================
   OUTPUTS MODAL
   =================================== */
.outputs-modal {
    position: relative;
    width: 95%;
    max-width: 1200px;
    max-height: 90vh;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    z-index: 10;
    animation: modalSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.outputs-header {
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(15, 52, 96, 0.4), rgba(10, 14, 39, 0.4));
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.outputs-title-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.outputs-header-icon {
    font-size: 2rem;
    animation: float 3s ease-in-out infinite;
}

.outputs-title {
    font-size: 1.5rem;
    margin: 0;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.outputs-subtitle {
    margin: 0.25rem 0 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.outputs-content {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    height: calc(90vh - 120px);
    overflow: hidden;
}

.outputs-list {
    overflow-y: auto;
    padding-right: var(--spacing-sm);
}

.outputs-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.output-item {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    animation: fadeInUp 0.4s ease both;
}

.output-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-primary);
    transform: translateX(4px);
}

.output-item.active {
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.2), rgba(114, 9, 183, 0.2));
    border-color: var(--accent-primary);
    box-shadow: 0 4px 16px rgba(67, 97, 238, 0.3);
}

.output-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.output-info {
    flex: 1;
    min-width: 0;
}

.output-name {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 0.25rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.output-type {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 0;
}

.output-preview-btn {
    background: rgba(67, 97, 238, 0.2);
    border: 1px solid rgba(67, 97, 238, 0.3);
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.output-preview-btn:hover {
    background: rgba(67, 97, 238, 0.3);
    border-color: var(--accent-primary);
    transform: scale(1.1);
}

.outputs-preview {
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 100%;
}

.docx-message {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl);
    gap: var(--spacing-md);
    background: rgba(15, 52, 96, 0.2);
}

.docx-icon {
    font-size: 4rem;
    animation: float 3s ease-in-out infinite;
}

.docx-message h4 {
    font-size: 1.25rem;
    margin: 0;
    color: var(--text-primary);
}

.docx-message p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: 0.5rem 0;
    max-width: 400px;
}

/* DOCX Preview Container */
.docx-preview-container {
    flex: 1;
    width: 100%;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    background: #f5f5f5;
    padding: var(--spacing-lg);
    display: block;
}

/* DOCX Content Styling (Mammoth.js output) */
.docx-preview-container .docx-content {
    background: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    width: auto;
    padding: 40px;
    margin: 0 auto var(--spacing-lg) auto;
    font-family: 'Calibri', 'Arial', sans-serif;
    font-size: 11pt;
    line-height: 1.6;
    color: #000;
}

.docx-preview-container .docx-content p {
    margin: 0 0 10px 0;
}

.docx-preview-container .docx-content h1,
.docx-preview-container .docx-content h2,
.docx-preview-container .docx-content h3,
.docx-preview-container .docx-content h4 {
    margin: 20px 0 10px 0;
    color: #000;
}

.docx-preview-container .docx-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 10px 0;
}

.docx-preview-container .docx-content table td,
.docx-preview-container .docx-content table th {
    border: 1px solid #ddd;
    padding: 8px;
}

.docx-preview-container .docx-content ul,
.docx-preview-container .docx-content ol {
    margin: 10px 0;
    padding-left: 40px;
}

.docx-preview-container .docx-content li {
    margin: 5px 0;
}

.docx-preview-container .docx-content strong,
.docx-preview-container .docx-content b {
    font-weight: bold;
}

.docx-preview-container .docx-content em,
.docx-preview-container .docx-content i {
    font-style: italic;
}

.docx-preview-container .docx-content code,
.docx-preview-container .docx-content pre {
    background: #f4f4f4;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 10pt;
}

.docx-preview-container::-webkit-scrollbar {
    width: 8px;
}

.docx-preview-container::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

.docx-preview-container::-webkit-scrollbar-thumb {
    background: rgba(67, 97, 238, 0.5);
    border-radius: 4px;
}

.docx-preview-container::-webkit-scrollbar-thumb:hover {
    background: rgba(67, 97, 238, 0.7);
}

/* DOCX Loading State */
.docx-loading {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    background: rgba(15, 52, 96, 0.2);
}

.docx-loading p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.docx-loading .loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.docx-loading .spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(67, 97, 238, 0.2);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Custom scrollbar for outputs list */
.outputs-list::-webkit-scrollbar {
    width: 6px;
}

.outputs-list::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

.outputs-list::-webkit-scrollbar-thumb {
    background: rgba(67, 97, 238, 0.5);
    border-radius: 3px;
}

.outputs-list::-webkit-scrollbar-thumb:hover {
    background: rgba(67, 97, 238, 0.7);
}

/* ===================================
   LOADING SPINNER
   =================================== */
.loading-spinner {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1500;
    text-align: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-sm);
}

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

/* ===================================
   DOWNLOAD FEEDBACK NOTIFICATION
   =================================== */
.download-feedback {
    position: fixed;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%) translateY(200%);
    background: linear-gradient(135deg, rgba(6, 255, 165, 0.2), rgba(67, 97, 238, 0.2));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(6, 255, 165, 0.4);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--success);
    font-weight: 600;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    z-index: 2000;
    transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.download-feedback.show {
    transform: translateX(-50%) translateY(0);
}

.download-check {
    font-size: 1.5rem;
    animation: check-pop 0.5s ease;
}

@keyframes check-pop {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.3);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    margin-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.footer-note {
    font-size: 0.85rem;
    font-style: italic;
}

.footer-attribution {
    font-size: 0.75rem;
    margin-top: 0.5rem;
    opacity: 0.7;
}

.footer-attribution a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-attribution a:hover {
    color: var(--accent-glow);
    text-decoration: underline;
}

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

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-sm);
    }
    
    .header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .logo-icon {
        width: 48px;
        height: 48px;
    }
    
    .main-title {
        font-size: 1.35rem;
    }
    
    .subtitle {
        font-size: 0.8rem;
    }
    
    .header-search {
        flex: 1 1 100%;
        max-width: 100%;
        order: 3;
    }
    
    .manuals-btn {
        order: 2;
        padding: 0.5rem 0.85rem;
        font-size: 0.8rem;
    }
    
    .manuals-text {
        display: none;
    }
    
    .manuals-icon {
        font-size: 1.25rem;
    }
    
    /* Warning banner responsive */
    .warning-banner {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
    
    .warning-banner p {
        font-size: 0.85rem;
        flex: 1 1 100%;
    }
    
    .manuals-modal {
        width: 100%;
        max-height: 95vh;
        border-radius: 0;
    }
    
    .manuals-content {
        grid-template-columns: 1fr;
        height: calc(95vh - 100px);
        gap: var(--spacing-md);
    }
    
    .manuals-list {
        max-height: 200px;
        order: 2;
    }
    
    .manuals-preview {
        order: 1;
        min-height: 300px;
    }
    
    .manual-item {
        padding: var(--spacing-sm);
    }
    
    .manual-name {
        font-size: 0.9rem;
    }
    
    .preview-header {
        padding: var(--spacing-sm);
    }
    
    .preview-title {
        font-size: 0.9rem;
    }
    
    .preview-download-btn {
        padding: 0.5rem 0.85rem;
        font-size: 0.8rem;
    }
    
    /* Outputs button in warning banner */
    .outputs-btn {
        padding: 0.5rem 0.85rem;
        font-size: 0.75rem;
        gap: 0.25rem;
    }
    
    .outputs-btn span:first-child {
        font-size: 1rem;
    }
    
    .outputs-btn span:last-child {
        display: none;
    }
    
    /* Outputs modal responsive */
    .outputs-modal {
        width: 100%;
        max-height: 95vh;
        border-radius: 0;
    }
    
    .outputs-content {
        grid-template-columns: 1fr;
        height: calc(95vh - 100px);
        gap: var(--spacing-md);
    }
    
    .outputs-list {
        max-height: 200px;
        order: 2;
    }
    
    .outputs-preview {
        order: 1;
        min-height: 300px;
        height: auto;
        flex: 1;
    }
    
    .output-item {
        padding: var(--spacing-sm);
    }
    
    .output-name {
        font-size: 0.9rem;
    }
    
    .docx-message h4 {
        font-size: 1.1rem;
    }
    
    .docx-message p {
        font-size: 0.85rem;
    }
    
    .docx-preview-container .docx-content {
        padding: 20px;
        font-size: 10pt;
    }
    
    .header-content {
        gap: var(--spacing-md);
    }
    
    .search-input {
        font-size: 0.85rem;
        padding: 0.5rem 0.75rem;
    }
    
    .search-stats {
        font-size: 0.7rem;
    }
    
    .experiments-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .modal-content {
        max-height: 95vh;
    }
    
    .modal-header,
    .modal-body {
        padding: var(--spacing-md);
    }
    
    .modal-actions {
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-xs);
    }
    
    .close-btn {
        width: 35px;
        height: 35px;
        font-size: 1.75rem;
    }
    
    .card-actions {
        gap: 0.25rem;
    }
    
    .view-code-btn {
        font-size: 0.8rem;
        padding: 0.4rem 1rem;
    }
    
    .files-count {
        font-size: 0.75rem;
        padding: 0.35rem 0.65rem;
    }
    
    .files-count span:first-child {
        font-size: 0.9rem;
    }
    
    .download-feedback {
        bottom: var(--spacing-md);
        left: var(--spacing-md);
        right: var(--spacing-md);
        transform: translateX(0) translateY(200%);
    }
    
    .download-feedback.show {
        transform: translateX(0) translateY(0);
    }
    
    .update-notification {
        left: var(--spacing-md);
        right: var(--spacing-md);
    }
    
    .file-tabs {
        flex-direction: column;
    }
    
    .tab-btn {
        width: 100%;
        justify-content: center;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .header-search {
        max-width: 400px;
    }
    
    .experiments-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1025px) {
    .header-search {
        max-width: 500px;
    }
    
    .experiments-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

button:focus-visible,
input:focus-visible {
    outline-color: var(--accent-primary);
}