/* Timeline CV - Custom Styles */

/* ============================================================================
   GLOBAL STYLES
   ============================================================================ */

:root {
    /* Default category colors */
    --color-work: #4F46E5;
    --color-project: #10B981;
    --color-education: #F59E0B;
    --color-achievement: #E11D48;
    
    /* UI Colors */
    --color-primary: #4F46E5;
    --color-secondary: #6B7280;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #E11D48;
    --color-info: #3B82F6;
    
    /* Neutral colors */
    --color-dark: #1F2937;
    --color-light: #F9FAFB;
    --color-border: #E5E7EB;
    
    /* Font sizes */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Body and base styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: #FFFFFF;
}

/* ============================================================================
   NAVIGATION
   ============================================================================ */

.navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: color 0.2s ease;
}

.navbar-nav .nav-link:hover {
    color: rgba(255, 255, 255, 0.8) !important;
}

.navbar-nav .nav-link.active {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 0.375rem;
}

/* ============================================================================
   TIMELINE COMPONENTS
   ============================================================================ */

/* Timeline header */
.timeline-header h1 {
    color: var(--color-dark);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.timeline-stats .badge {
    font-size: var(--font-size-sm);
    padding: 0.5rem 0.75rem;
    margin-right: 0.5rem;
}

/* Filter form */
.filter-form {
    background: var(--color-light);
    border-radius: 0.5rem;
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
}

.filter-form .form-select,
.filter-form .form-control {
    border-color: var(--color-border);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.filter-form .form-select:focus,
.filter-form .form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.25);
}

/* Timeline entries */
.timeline-entry {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.timeline-entry:nth-child(1) { animation-delay: 0.1s; }
.timeline-entry:nth-child(2) { animation-delay: 0.2s; }
.timeline-entry:nth-child(3) { animation-delay: 0.3s; }
.timeline-entry:nth-child(4) { animation-delay: 0.4s; }
.timeline-entry:nth-child(5) { animation-delay: 0.5s; }

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

.timeline-entry .card {
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.timeline-entry .card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.timeline-entry .card-title {
    color: var(--color-dark);
    font-weight: 600;
    line-height: 1.3;
}

.timeline-entry .card-text {
    color: #6B7280;
    margin-bottom: var(--spacing-md);
}

/* ============================================================================
   BADGES AND TAGS
   ============================================================================ */

/* Category badges */
.badge-category {
    font-size: var(--font-size-sm);
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    color: white !important;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.badge-category i {
    font-size: var(--font-size-xs);
}

/* Year badge */
.badge-year {
    background-color: var(--color-secondary) !important;
    color: white !important;
    font-weight: 600;
    padding: 0.375rem 0.75rem;
    border-radius: 0.375rem;
    font-size: var(--font-size-sm);
}

/* Technology badges */
.badge-tech,
.badge-tech-sm {
    background-color: #3B82F6 !important;
    color: white !important;
    font-weight: 500;
    border-radius: 0.25rem;
    text-decoration: none;
    margin-right: 0.25rem;
    margin-bottom: 0.25rem;
    display: inline-block;
}

.badge-tech {
    padding: 0.375rem 0.75rem;
    font-size: var(--font-size-sm);
}

.badge-tech-sm {
    padding: 0.25rem 0.5rem;
    font-size: var(--font-size-xs);
}

/* Keyword badges */
.badge-keyword,
.badge-keyword-sm {
    background-color: #8B5CF6 !important;
    color: white !important;
    font-weight: 500;
    border-radius: 0.25rem;
    text-decoration: none;
    margin-right: 0.25rem;
    margin-bottom: 0.25rem;
    display: inline-block;
}

.badge-keyword {
    padding: 0.375rem 0.75rem;
    font-size: var(--font-size-sm);
}

.badge-keyword-sm {
    padding: 0.25rem 0.5rem;
    font-size: var(--font-size-xs);
}

/* Skill badges (CV) */
.badge-skill {
    background-color: var(--color-dark) !important;
    color: white !important;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: var(--font-size-sm);
}

/* ============================================================================
   ENTRY CONTENT
   ============================================================================ */

/* Entry actions */
.entry-actions button {
    transition: all 0.2s ease;
    border-radius: 0.375rem;
}

.entry-actions button:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    transform: translateY(-1px);
}

.entry-actions button i {
    transition: transform 0.2s ease;
}

.entry-actions button[aria-expanded="true"] i {
    transform: rotate(180deg);
}

/* Entry details (expanded content) */
.entry-body {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-dark);
}

.entry-body p {
    margin-bottom: var(--spacing-md);
}

.entry-body h1, .entry-body h2, .entry-body h3,
.entry-body h4, .entry-body h5, .entry-body h6 {
    color: var(--color-dark);
    font-weight: 600;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.entry-body ul, .entry-body ol {
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.entry-body li {
    margin-bottom: 0.25rem;
}

/* Entry links */
.entry-links {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.entry-links .btn {
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.entry-links .btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ============================================================================
   MEDIA GALLERY
   ============================================================================ */

.media-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.media-item {
    position: relative;
}

.media-item img {
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
}

.media-item img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

.media-item figcaption {
    margin-top: 0.5rem;
    font-style: italic;
}

.media-item video {
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
}

.media-item .embed-responsive {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.media-item .embed-responsive iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* ============================================================================
   CV STYLES
   ============================================================================ */

/* CV header */
.cv-summary {
    background: linear-gradient(135deg, var(--color-light) 0%, #FFFFFF 100%);
    border-radius: 0.75rem;
    padding: var(--spacing-xl);
    border: 1px solid var(--color-border);
    margin-bottom: var(--spacing-xl);
}

.cv-summary .lead {
    font-size: var(--font-size-lg);
    font-weight: 400;
    color: #4B5563;
    line-height: 1.7;
}

.core-skills h5 {
    color: var(--color-dark);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* CV contact */
.cv-contact {
    background: white;
    border-radius: 0.75rem;
    padding: var(--spacing-xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.cv-avatar {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border: 4px solid white;
    box-shadow: var(--shadow-md);
}

.contact-info p {
    margin-bottom: 0.5rem;
    color: #6B7280;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-info i {
    width: 16px;
    color: var(--color-primary);
}

/* CV sections */
.cv-section {
    margin-bottom: var(--spacing-xl);
}

.cv-section .section-title {
    color: var(--color-dark);
    font-weight: 700;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-primary);
}

.cv-entry {
    border-left: 3px solid var(--color-border);
    padding-left: var(--spacing-lg);
    position: relative;
}

.cv-entry::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    background: var(--color-primary);
    border-radius: 50%;
}

.cv-entry .entry-title {
    color: var(--color-dark);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.cv-entry .entry-summary {
    color: #6B7280;
    margin-bottom: var(--spacing-md);
}

.cv-entry .entry-year {
    color: var(--color-secondary);
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.cv-entry .entry-tags {
    margin-top: var(--spacing-md);
}

/* ============================================================================
   SHARE STYLES
   ============================================================================ */

.share-header {
    background: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
    color: white;
    padding: var(--spacing-xl);
    border-radius: 0.75rem;
    margin-bottom: var(--spacing-lg);
}

.share-header h1 {
    color: white;
    margin-bottom: 0.5rem;
}

.share-info {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm);
    border-radius: 0.375rem;
    backdrop-filter: blur(10px);
}

.language-selector .btn-group {
    box-shadow: var(--shadow-sm);
    border-radius: 0.375rem;
    overflow: hidden;
}

.share-footer {
    text-align: center;
    color: #6B7280;
    font-style: italic;
}

/* ============================================================================
   ADMIN STYLES
   ============================================================================ */

.admin-layout {
    min-height: 100vh;
    background: var(--color-light);
}

.admin-nav {
    box-shadow: var(--shadow-md);
}

.admin-content {
    padding: 0 var(--spacing-lg);
}

.admin-content h1 {
    color: var(--color-dark);
    font-weight: 700;
}

/* Admin cards */
.admin-content .card {
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.admin-content .card-header {
    background: var(--color-light);
    border-bottom: 1px solid var(--color-border);
    font-weight: 600;
}

/* Admin tables */
.table th {
    background: var(--color-light);
    border-bottom: 2px solid var(--color-border);
    font-weight: 600;
    color: var(--color-dark);
}

.table-hover tbody tr:hover {
    background-color: rgba(79, 70, 229, 0.05);
}

/* Category preview */
.preview-category {
    padding: var(--spacing-lg);
    text-align: center;
    background: var(--color-light);
    border-radius: 0.5rem;
    margin-bottom: var(--spacing-md);
}

.preview-badge {
    font-size: var(--font-size-base);
    padding: 0.75rem 1.5rem;
}

.icon-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

/* ============================================================================
   PRINT STYLES
   ============================================================================ */

@media print {
    /* Hide non-essential elements */
    .d-print-none,
    .admin-nav,
    .navbar,
    footer,
    .filter-form,
    .timeline-pagination,
    .entry-actions,
    .btn {
        display: none !important;
    }
    
    /* Optimize for print */
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: black;
        background: white !important;
    }
    
    .cv-content {
        max-width: none;
        margin: 0;
        padding: 0;
    }
    
    .cv-summary {
        background: white !important;
        border: 1px solid #ccc;
        break-inside: avoid;
    }
    
    .cv-section {
        break-inside: avoid;
        margin-bottom: 1.5rem;
    }
    
    .cv-entry {
        break-inside: avoid;
        margin-bottom: 1rem;
    }
    
    .cv-avatar {
        width: 80px;
        height: 80px;
    }
    
    /* Ensure good page breaks */
    h1, h2, h3, h4, h5, h6 {
        break-after: avoid;
    }
    
    /* Force page breaks where needed */
    .cv-section:nth-child(3) {
        break-before: page;
    }
}

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */

/* Tablet */
@media (max-width: 768px) {
    .timeline-header {
        text-align: center;
    }
    
    .timeline-stats {
        margin-top: var(--spacing-md);
    }
    
    .filter-form {
        padding: var(--spacing-md);
    }
    
    .entry-links {
        justify-content: center;
    }
    
    .media-gallery {
        grid-template-columns: 1fr;
    }
    
    .cv-summary {
        text-align: center;
    }
    
    .cv-contact {
        margin-top: var(--spacing-lg);
    }
    
    .admin-content {
        padding: 0 var(--spacing-md);
    }
}

/* Mobile */
@media (max-width: 576px) {
    .timeline-entry .card {
        margin-bottom: var(--spacing-lg);
    }
    
    .badge-category {
        font-size: var(--font-size-xs);
        padding: 0.375rem 0.5rem;
    }
    
    .entry-tags,
    .entry-keywords {
        text-align: center;
    }
    
    .filter-form .row {
        --bs-gutter-x: 0.5rem;
    }
    
    .cv-summary {
        padding: var(--spacing-lg);
    }
    
    .cv-entry {
        padding-left: var(--spacing-md);
    }
    
    .skill-tags {
        justify-content: center;
    }
}

/* ============================================================================
   UTILITIES AND ANIMATIONS
   ============================================================================ */

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Smooth transitions */
.transition-all {
    transition: all 0.2s ease;
}

/* Focus states */
.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.25);
}

/* Button hover effects */
.btn-primary:hover {
    background-color: #4338CA;
    border-color: #4338CA;
    transform: translateY(-1px);
}

.btn-outline-primary:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-1px);
}

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

::-webkit-scrollbar-track {
    background: var(--color-light);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-secondary);
}

/* Selection */
::selection {
    background: rgba(79, 70, 229, 0.2);
    color: var(--color-dark);
}

/* ============================================================================
   LIGHT MODE ONLY - Dark mode removed for better readability
   ============================================================================ */

/* Dark mode styles removed to ensure consistent light theme across all devices */