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

:root {
    /* Colori Claude Light Theme */
    --claude-primary: #D97706;
    --claude-primary-hover: #B45309;
    --claude-primary-light: #FED7AA;
    --claude-bg: #FAFAFA;
    --claude-surface: #FFFFFF;
    --claude-surface-hover: #F5F5F5;
    --claude-text: #1F2937;
    --claude-text-secondary: #6B7280;
    --claude-text-muted: #9CA3AF;
    --claude-border: #E5E7EB;
    --claude-border-hover: #D1D5DB;
    --claude-accent: #3B82F6;
    --claude-success: #10B981;
    --claude-warning: #F59E0B;
    --claude-error: #EF4444;
    
    /* Modern spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    --spacing-xxxl: 64px;
    
    /* Typography moderna */
    --font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: "Fira Code", "SF Mono", Consolas, monospace;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-md: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-xxl: 24px;
    --font-size-xxxl: 32px;
    
    /* Shadows moderne */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Borders e radius */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    /* Transizioni */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-primary);
    background-color: var(--claude-bg);
    color: var(--claude-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header container override */
.header .container {
    max-width: 100%;
    padding: 0 var(--spacing-md);
}

/* Header */
.header {
    background: var(--claude-surface);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--claude-border);
    position: relative;
    width: 100%;
}

.header-content {
    position: relative;
    text-align: center;
    max-width: 100%;
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.header-icon {
    width: 32px;
    height: 32px;
    color: var(--claude-primary);
    flex-shrink: 0;
}

.header h1 {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    letter-spacing: -0.5px;
    margin: 0;
    color: var(--claude-text);
}

.header p {
    font-size: var(--font-size-xl);
    color: var(--claude-text-secondary);
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

/* Main Content */
.main-content {
    padding: var(--spacing-xl) 0;
}

/* Project Overview - Più compatta */
.project-overview {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--claude-surface);
    border: 1px solid var(--claude-border);
    border-radius: var(--border-radius);
}

.project-overview h2 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--claude-text);
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.overview-card {
    background: var(--claude-bg);
    border: 1px solid var(--claude-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
}

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

.overview-card i {
    font-size: 18px;
    margin-bottom: var(--spacing-xs);
    color: var(--claude-primary);
}

.overview-card h3 {
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--claude-text);
}

.overview-card p {
    color: var(--claude-text-secondary);
    font-size: 11px;
    line-height: 1.3;
}

/* File Explorer - Stile Claude moderno */
.file-explorer {
    background: var(--claude-surface);
    border: 1px solid var(--claude-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.file-explorer h2 {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    color: var(--claude-text);
    letter-spacing: -0.5px;
}

.file-tree {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    overflow: hidden;
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}

.file-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    margin: 2px 0;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    user-select: none;
    border: 1px solid transparent;
    word-wrap: break-word;
    overflow-wrap: break-word;
    min-width: 0;
}

.file-item:hover {
    background: var(--claude-surface-hover);
    border-color: var(--claude-border-hover);
}

.file-item.folder {
    font-weight: 600;
    color: var(--claude-text);
}

.file-item.folder:hover {
    background: var(--claude-primary-light);
    border-color: var(--claude-primary);
}

.file-item.file {
    padding-left: var(--spacing-xl);
    color: var(--claude-text-secondary);
    font-weight: 400;
}

.file-item.file:hover {
    color: var(--claude-text);
    background: var(--claude-surface-hover);
    border-color: var(--claude-border-hover);
}

.file-item i {
    width: 20px;
    height: 20px;
    margin-right: var(--spacing-md);
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-item span:first-of-type {
    flex-grow: 1;
    min-width: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.expand-icon {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--claude-text-muted);
    margin-left: var(--spacing-sm);
    transition: transform var(--transition-fast);
    width: 20px;
    text-align: center;
}

.file-item.expanded .expand-icon {
    transform: rotate(90deg);
}

.file-children {
    padding-left: var(--spacing-xl);
    border-left: 2px solid var(--claude-border);
    margin-left: var(--spacing-md);
    margin-top: var(--spacing-xs);
}

.file-children.hidden {
    display: none;
}

.file-children.visible {
    display: block;
    animation: slideDown var(--transition-normal);
}

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

/* Modal - Stile Anthropic/Claude moderno */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.2s ease-out;
}

.modal-content {
    background-color: var(--claude-surface);
    margin: 5% auto;
    padding: 0;
    border: none;
    border-radius: 16px;
    width: 90%;
    max-width: 680px;
    max-height: 80vh;
    overflow: hidden;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
    word-wrap: break-word;
    overflow-wrap: break-word;
    animation: modalSlideIn 0.3s ease-out;
}

.close {
    position: absolute;
    top: 16px;
    right: 16px;
    color: var(--claude-text-muted);
    font-size: 20px;
    font-weight: 400;
    cursor: pointer;
    z-index: 1001;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-fast);
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.close:hover {
    color: var(--claude-text);
    background: rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.12);
    transform: scale(1.05);
}

.modal-header {
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    color: var(--claude-text);
    padding: 24px 32px;
    display: flex;
    align-items: center;
    gap: 16px;
    position: relative;
}

.modal-header i {
    font-size: 28px;
    color: var(--claude-primary);
    padding: 8px;
    background: rgba(217, 119, 6, 0.1);
    border-radius: 8px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-header h2 {
    font-size: 22px;
    font-weight: 600;
    margin: 0;
    color: var(--claude-text);
    letter-spacing: -0.3px;
}

.modal-body {
    padding: 32px;
    word-wrap: break-word;
    overflow-wrap: break-word;
    overflow-y: auto;
    max-height: calc(80vh - 120px);
    background: var(--claude-surface);
}

.modal-body h3 {
    color: var(--claude-text);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    margin-top: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    padding-left: 12px;
}

.modal-body h3:first-child {
    margin-top: 0;
}

.modal-body h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--claude-primary);
    border-radius: 2px;
}

.modal-body p {
    color: var(--claude-text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
    font-size: 14px;
}

.modal-body ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.modal-body li {
    background: rgba(0, 0, 0, 0.02);
    padding: 12px 16px;
    margin: 0;
    border: 1px solid rgba(0, 0, 0, 0.08);
    color: var(--claude-text-secondary);
    font-family: var(--font-mono);
    font-size: 13px;
    border-radius: 8px;
    transition: all var(--transition-fast);
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: pre-wrap;
    position: relative;
    padding-left: 16px;
}

.modal-body li.clickable-dependency {
    cursor: pointer;
    border-left: 3px solid var(--claude-primary);
    padding-left: 24px;
}

.modal-body li.clickable-dependency:hover {
    background: rgba(217, 119, 6, 0.05);
    border-color: var(--claude-primary);
    color: var(--claude-text);
    transform: translateX(2px);
}

.modal-body li:not(.clickable-dependency):hover {
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.12);
    color: var(--claude-text);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .header {
        padding: var(--spacing-sm) 0;
    }
    
    .header-top {
        gap: var(--spacing-sm);
    }
    
    .header-icon {
        width: 28px;
        height: 28px;
    }
    
    .header h1 {
        font-size: var(--font-size-xl);
    }
    
    .header p {
        font-size: var(--font-size-md);
    }
    
    .project-overview {
        margin-bottom: var(--spacing-md);
        padding: var(--spacing-sm);
    }
    
    .overview-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xs);
    }
    
    .overview-card {
        padding: var(--spacing-xs);
    }
    
    .overview-card i {
        font-size: 16px;
    }
    
    .overview-card h3 {
        font-size: 11px;
    }
    
    .overview-card p {
        font-size: 10px;
    }
    
    .file-explorer {
        padding: var(--spacing-md);
    }
    
    .modal-content {
        width: 92vw;
        height: auto;
        max-height: 85vh;
        margin: 7.5vh auto;
        display: flex;
        flex-direction: column;
    }
    
    .modal-header {
        padding: var(--spacing-md);
        flex-shrink: 0;
    }
    
    .modal-header h2 {
        font-size: var(--font-size-lg);
    }
    
    .modal-body {
        padding: var(--spacing-md);
        flex: 1;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        min-height: 0;
    }
    
    .modal-body p {
        font-size: var(--font-size-sm);
    }
    
    .modal-body li {
        font-size: var(--font-size-xs);
        padding: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .header-top {
        gap: var(--spacing-xs);
    }
    
    .header-icon {
        width: 24px;
        height: 24px;
    }
    
    .header h1 {
        font-size: var(--font-size-lg);
        letter-spacing: 1px;
    }
    
    .header p {
        font-size: var(--font-size-sm);
    }
    
    .project-overview {
        margin-bottom: var(--spacing-sm);
    }
    
    .overview-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xs);
    }
    
    .overview-card {
        padding: 6px;
    }
    
    .overview-card i {
        font-size: 14px;
    }
    
    .overview-card h3 {
        font-size: 10px;
    }
    
    .overview-card p {
        font-size: 9px;
    }
    
    .file-item {
        padding: var(--spacing-xs);
    }
    
    .file-item img {
        width: 16px;
        height: 16px;
    }
    
    .modal-content {
        width: 94vw;
        height: auto;
        max-height: 80vh;
        margin: 10vh auto;
    }
    
    .modal-header {
        padding: var(--spacing-sm);
    }
    
    .modal-header h2 {
        font-size: var(--font-size-md);
    }
    
    .modal-body {
        padding: var(--spacing-sm);
        min-height: 0;
    }
    
    .modal-body p {
        font-size: var(--font-size-xs);
    }
    
    .modal-body li {
        font-size: 11px;
        padding: var(--spacing-xs);
    }
}

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

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.file-children.visible {
    animation: fadeIn 0.3s ease;
}

.modal {
    animation: fadeIn 0.3s ease;
}

/* Scrollbar customization */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--claude-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--claude-orange);
    border-radius: 0;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--claude-dark-orange);
}

/* Focus states per accessibilità */
.file-item:focus {
    outline: 2px solid var(--claude-orange);
    outline-offset: 2px;
}

.close:focus {
    outline: 2px solid var(--claude-orange);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .modal {
        display: none;
    }
    
    .header {
        background: white;
        color: black;
        border-bottom: 2px solid black;
    }
}