/* CSS Variables - Dark Theme (Default) */
:root {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-card: #0f3460;
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --accent: #0f3460;
    --highlight: #e94560;
    --border-color: #2a2a4a;
    --link-color: #64b5f6;
    --link-hover: #90caf9;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-card: #ffffff;
    --text-primary: #333333;
    --text-secondary: #666666;
    --accent: #2563eb;
    --highlight: #dc2626;
    --border-color: #e0e0e0;
    --link-color: #2563eb;
    --link-hover: #1d4ed8;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Base Styles */
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s ease, color 0.3s ease;
}

a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--link-hover);
}

/* Navbar */
.navbar {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

.navbar-brand {
    color: var(--text-primary) !important;
    font-weight: 600;
    font-size: 1.25rem;
}

.navbar-brand:hover {
    color: var(--highlight) !important;
}

.btn-outline-secondary {
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.btn-outline-secondary:hover {
    background-color: var(--accent);
    border-color: var(--accent);
    color: var(--text-primary);
}

.dropdown-menu {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.dropdown-item {
    color: var(--text-primary);
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--accent);
    color: var(--text-primary);
}

.dropdown-item.active {
    background-color: var(--highlight);
}

/* CV Container */
.cv-container {
    max-width: 900px;
    margin: 0 auto;
}

/* Header Section */
.cv-header {
    padding: 2rem;
    background-color: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.cv-header h1 {
    color: var(--text-primary);
    font-weight: 700;
}

.bio-text {
    color: var(--text-secondary);
}

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

.contact-info i {
    width: 24px;
    color: var(--highlight);
}

/* Profile Picture */
.profile-picture {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border: 4px solid var(--highlight);
    box-shadow: var(--shadow);
}

/* Project Carousel */
.project-card .carousel {
    border-radius: 12px 12px 0 0;
    overflow: hidden;
}

.project-card .carousel-item img {
    height: 200px;
    object-fit: cover;
}

.project-card .carousel-control-prev,
.project-card .carousel-control-next {
    width: 15%;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.project-card:hover .carousel-control-prev,
.project-card:hover .carousel-control-next {
    opacity: 1;
}

.project-card .carousel-indicators {
    margin-bottom: 0.5rem;
}

.project-card .carousel-indicators button {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    border: none;
}

.project-card .carousel-indicators button.active {
    background-color: var(--highlight);
}

/* Section Title */
.section-title {
    color: var(--text-primary);
    font-weight: 600;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--highlight);
    margin-bottom: 1.5rem;
}

.section-title i {
    margin-right: 0.5rem;
    color: var(--highlight);
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--highlight) 0%, var(--accent) 100%);
}

.timeline-item {
    position: relative;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 1.75rem;
    width: 12px;
    height: 12px;
    background-color: var(--highlight);
    border-radius: 50%;
    transform: translateX(-5px);
}

.timeline-header h3 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.timeline-header .company {
    color: var(--highlight);
    font-weight: 500;
}

.timeline-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0.5rem 0;
}

.timeline-date i {
    margin-right: 0.25rem;
}

.timeline-content {
    color: var(--text-secondary);
    margin-top: 0.75rem;
}

.timeline-content p {
    margin-bottom: 0;
    white-space: pre-line;
}

/* Project Thumbnails */
.project-thumbnail {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 1;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-thumbnail:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
}

.project-thumb-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-thumb-placeholder {
    width: 100%;
    height: 100%;
    background-color: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-thumb-placeholder i {
    font-size: 3rem;
    color: var(--text-secondary);
}

.project-thumb-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 1rem 0.75rem 0.75rem;
}

.project-thumb-title {
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 600;
    margin: 0;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* Project Modal */
.modal-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
}

.modal-header .modal-title {
    color: var(--text-primary);
}

.modal-header .btn-close {
    filter: var(--btn-close-filter, invert(1));
}

[data-theme="light"] .modal-header .btn-close {
    filter: none;
}

.modal-body {
    color: var(--text-primary);
}

.modal-footer {
    border-top: 1px solid var(--border-color);
}

.project-description {
    white-space: pre-line;
    color: var(--text-secondary);
}

/* Legacy Project Cards (for admin or other uses) */
.project-card {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.3);
}

.project-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.project-body {
    padding: 1.25rem;
}

.project-body h3 {
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.project-body p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.btn-outline-primary {
    color: var(--link-color);
    border-color: var(--link-color);
}

.btn-outline-primary:hover {
    background-color: var(--link-color);
    border-color: var(--link-color);
    color: var(--bg-primary);
}

/* Footer */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.footer .text-muted {
    color: var(--text-secondary) !important;
}

/* Override Bootstrap text classes for dark mode */
.text-muted {
    color: var(--text-secondary) !important;
}

.card-body,
.card-body h5,
.card-body p,
.card-header,
.card-header h5,
.card-footer,
.admin-content,
.admin-content h2,
.admin-content h5,
.admin-content p,
.admin-sidebar,
.admin-sidebar h5 {
    color: var(--text-primary);
}

small.text-muted,
.form-text,
.card-text.text-muted {
    color: var(--text-secondary) !important;
}

/* Alerts */
.alert {
    border: none;
    border-radius: 8px;
}

/* Admin Styles */
.admin-sidebar {
    background-color: var(--bg-secondary);
    min-height: calc(100vh - 120px);
    padding: 1.5rem;
    border-radius: 8px;
}

.admin-sidebar .nav-link {
    color: var(--text-secondary);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 0.25rem;
}

.admin-sidebar .nav-link:hover {
    background-color: var(--accent);
    color: var(--text-primary);
}

.admin-sidebar .nav-link.active {
    background-color: var(--highlight);
    color: var(--text-primary);
}

.admin-sidebar .nav-link i {
    width: 24px;
}

.admin-content {
    background-color: var(--bg-secondary);
    padding: 2rem;
    border-radius: 8px;
}

/* Forms */
.form-control,
.form-select {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.form-control:focus,
.form-select:focus {
    background-color: var(--bg-primary);
    border-color: var(--highlight);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(233, 69, 96, 0.25);
}

.form-control::placeholder {
    color: var(--text-secondary);
}

.form-label {
    color: var(--text-primary);
    font-weight: 500;
}

/* Buttons */
.btn-primary {
    background-color: var(--highlight);
    border-color: var(--highlight);
}

.btn-primary:hover {
    background-color: #d63d56;
    border-color: #d63d56;
}

.btn-secondary {
    background-color: var(--accent);
    border-color: var(--accent);
}

.btn-danger {
    background-color: #dc2626;
    border-color: #dc2626;
}

/* Tables */
.table {
    color: var(--text-primary);
    --bs-table-bg: transparent;
    --bs-table-color: var(--text-primary);
    --bs-table-border-color: var(--border-color);
    --bs-table-striped-color: var(--text-primary);
    --bs-table-hover-color: var(--text-primary);
    --bs-table-hover-bg: var(--accent);
}

.table thead th {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.table td,
.table th {
    border-color: var(--border-color);
    vertical-align: middle;
    color: var(--text-primary);
}

.table-hover tbody tr:hover {
    background-color: var(--accent);
    color: var(--text-primary);
}

.table-borderless td,
.table-borderless th {
    color: var(--text-primary);
}

.table-sm td,
.table-sm th {
    color: var(--text-primary);
}

/* Definition lists for visitor info */
dl.row dt {
    color: var(--text-secondary);
}

dl.row dd {
    color: var(--text-primary);
}

/* Cards */
.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.card-header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

/* Login Page */
.login-container {
    max-width: 400px;
    margin: 4rem auto;
}

.login-card {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.login-card h2 {
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 1.5rem;
}

/* Visitor Form */
.visitor-form-container {
    max-width: 450px;
    margin: 3rem auto;
}

.visitor-form-card {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: var(--shadow);
}

.visitor-form-card h2 {
    color: var(--text-primary);
}

.visitor-form-card .text-highlight {
    color: var(--highlight);
}

.visitor-form-card .form-label {
    font-weight: 500;
}

/* Drag and Drop */
.drag-handle {
    cursor: grab;
    color: var(--text-secondary);
    opacity: 0.5;
    transition: opacity 0.2s ease;
}

.drag-handle:hover {
    opacity: 1;
    color: var(--highlight);
}

.drag-handle:active {
    cursor: grabbing;
}

.sortable-ghost {
    opacity: 0.4;
    background-color: var(--accent) !important;
}

.sortable-chosen {
    background-color: var(--bg-card) !important;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3) !important;
}

.sortable-drag {
    background-color: var(--bg-secondary) !important;
}

/* Tech Stack Cards */
.tech-stack-card {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.tech-stack-card h3 {
    color: var(--highlight);
    margin-bottom: 1rem;
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--bg-card);
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.85rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tech-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.proficiency-dots {
    display: inline-flex;
    gap: 2px;
    margin-left: 0.25rem;
}

.proficiency-dots .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--border-color);
}

.proficiency-dots .dot.filled {
    background-color: var(--highlight);
}

.proficiency-stars {
    font-size: 0.75rem;
}

.proficiency-stars i {
    color: var(--border-color);
}

.proficiency-stars i.text-warning {
    color: #fbbf24 !important;
}

/* Certification Cards */
.certification-card {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--highlight);
    transition: transform 0.2s ease;
}

.certification-card:hover {
    transform: translateY(-2px);
}

.certification-card.expired {
    border-left-color: #dc2626;
    opacity: 0.8;
}

.certification-card h3 {
    color: var(--text-primary);
}

.certification-card .badge {
    font-size: 0.75rem;
}

/* Print Styles */
@media print {
    body {
        background-color: white !important;
        color: black !important;
    }

    .navbar,
    .footer,
    #theme-toggle,
    .dropdown {
        display: none !important;
    }

    .cv-container {
        max-width: 100%;
    }

    .cv-header,
    .timeline-item,
    .project-card {
        background-color: white !important;
        box-shadow: none !important;
        border: 1px solid #ddd;
    }

    a {
        color: black !important;
        text-decoration: underline;
    }

    .section-title {
        border-color: black;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .cv-header {
        text-align: center;
    }

    .cv-header .row {
        flex-direction: column;
    }

    .contact-info {
        margin-top: 1.5rem;
    }

    .timeline {
        padding-left: 1.5rem;
    }

    .timeline-item::before {
        left: -1.5rem;
    }
}