/* ============================================
   COMPONENT STYLES
   Reusable UI Components
   ============================================ */

/* ============================================
   NAVIGATION BAR
   ============================================ */
.navbar {
    position: fixed;
    top: var(--space-md);
    left: 50%;
    transform: translateX(-50%);
    width: 98%;
    max-width: 1600px;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    padding: var(--space-sm) var(--space-xl);
    z-index: 1000;
    transition: all var(--transition-base);
}

[data-theme="light"] .navbar {
    border-color: rgba(0, 0, 0, 0.12);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .navbar-link.active {
    background: rgba(147, 51, 234, 0.08);
    box-shadow: inset 0 0 15px rgba(147, 51, 234, 0.15);
}

.navbar.scrolled {
    top: 0;
    width: 100%;
    max-width: 100%;
    border-radius: 0;
    padding: var(--space-xs) var(--space-lg);
    background: var(--color-bg-primary);
    opacity: 0.98;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-3xl);
    max-width: 100%; /* Allow container to fill navbar width */
}

.navbar-logo {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex-shrink: 0;
    margin-right: 150px;
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
    align-items: center;
}

.navbar-link {
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    position: relative;
    white-space: nowrap;
}

.navbar-link:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-1px);
}

.navbar-link.active {
    color: var(--color-primary) !important;
    background: rgba(147, 51, 234, 0.1);
    border-radius: var(--radius-full);
    position: relative;
    box-shadow: inset 0 0 20px rgba(147, 51, 234, 0.2);
}

.navbar-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    box-shadow: 0 0 12px var(--color-primary);
}

/* Mobile Menu Toggle */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    z-index: 1001;
}

.navbar-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-base);
    border-radius: var(--radius-full);
}

@media (max-width: 1250px) {
    .navbar-menu {
        gap: var(--space-xs);
    }
    .navbar-link {
        padding: var(--space-xs) 8px;
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 1024px) {
    .navbar .container {
        justify-content: space-between;
        gap: var(--space-md);
    }

    .navbar-toggle {
        display: flex;
        order: 1;
        margin-right: 0;
    }

    .navbar-logo {
        order: 2;
        margin-right: 0;
        margin-left: auto;
    }

    .navbar-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: auto;
        width: min(100%, 320px);
        height: 100vh;
        flex-direction: column;
        justify-content: center;
        align-items: stretch;
        background: var(--color-bg-primary);
        padding: var(--space-2xl);
        gap: var(--space-lg);
        transform: translateX(-100%);
        opacity: 0;
        transition: all var(--transition-slow);
        pointer-events: none;
        z-index: 1000;
        box-shadow: var(--shadow-lg);
    }

    .navbar-menu.active {
        transform: translateX(0);
        opacity: 1;
        pointer-events: all;
    }

    .navbar-link {
        font-size: var(--font-size-2xl);
    }
}

/* ============================================
   THEME TOGGLE
   ============================================ */
.theme-toggle {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--color-text-primary);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    transition: all var(--transition-base);
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

[data-theme="light"] .theme-toggle i::before {
    content: "\f185"; /* Sun icon */
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

[data-theme="light"] .btn-secondary {
    border-color: rgba(0, 0, 0, 0.15); /* Stronger border for light mode */
}

.btn-secondary:hover {
    background: rgba(128, 128, 128, 0.1);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--color-accent-primary);
    padding: var(--space-xs) var(--space-md);
}

.btn-ghost:hover {
    background: var(--glass-bg);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--gradient-surface);
    backdrop-filter: blur(var(--glass-blur, 10px));
    -webkit-backdrop-filter: blur(var(--glass-blur, 10px));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-border);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    padding: 1px;
    pointer-events: none;
}

.card:hover {
    transform: translateY(-10px) scale(1.01);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 0, 0, 0.4);
}

.card-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    display: block;
}

.card-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-sm);
}

.card-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    line-height: var(--line-height-relaxed);
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.card-tag {
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-bg-tertiary);
    color: var(--color-accent-primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.card-links {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

/* Smaller buttons for project links */
.card-links .btn {
    font-size: var(--font-size-sm);
    padding: var(--space-xs) var(--space-sm);
}

/* ============================================
   SKILL BADGES
   ============================================ */
.skill-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-base);
}

[data-theme="light"] .skill-badge {
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.08);
}

.skill-badge:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-glow);
}

.skill-badge-icon {
    width: 24px;
    height: 24px;
    font-size: var(--font-size-xl);
}

/* ============================================
   TIMELINE
   ============================================ */
.timeline {
    position: relative;
    padding-left: var(--space-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-xl);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--space-xl) - 6px);
    top: 0;
    width: 14px;
    height: 14px;
    background: var(--color-accent-primary);
    border: 3px solid var(--color-bg-primary);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-glow);
}

.timeline-date {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent-primary);
    margin-bottom: var(--space-sm);
}

.timeline-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-xs);
}

.timeline-subtitle {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.timeline-description {
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
}

/* ============================================
   FORM ELEMENTS
   ============================================ */
.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

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

.form-error {
    color: hsl(0, 70%, 60%);
    font-size: var(--font-size-sm);
    margin-top: var(--space-xs);
}

/* ============================================
   SECTION HEADER
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

/* Force Contrast Utility */
.badge-date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

[data-theme="light"] .badge-date {
    background: linear-gradient(135deg, #e14ed3 0%, #d83046 100%); /* Darker gradient for light mode */
}

.badge-date i {
    font-size: 11px;
}

.badge-category {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 10;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

[data-theme="light"] .badge-category {
    background: linear-gradient(135deg, #4c669f 0%, #3b5998 100%); /* Darker blue for light mode */
}

/* ============================================
   SOCIAL LINKS
   ============================================ */
.social-links {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    font-size: var(--font-size-xl);
    transition: all var(--transition-base);
}

.social-link:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent-primary);
    color: var(--color-accent-primary);
    box-shadow: var(--shadow-glow);
}

/* ============================================
   SCROLL PROGRESS INDICATOR
   ============================================ */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--gradient-primary);
    z-index: 9999;
    transition: width var(--transition-fast);
}

/* ============================================
   RESPONSIVE TABLES
   ============================================ */
.table-container {
    width: 100%;
    overflow-x: auto;
    margin: var(--space-lg) 0;
    border-radius: var(--radius-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}

.table-container::-webkit-scrollbar {
    height: 8px;
}

.table-container::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.responsive-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    min-width: 600px; /* Force horizontal scroll on small screens */
}

.responsive-table th,
.responsive-table td {
    padding: var(--space-md);
    border-bottom: 1px solid var(--glass-border);
}

.responsive-table th {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    font-size: var(--font-size-sm);
    letter-spacing: 1px;
}

.responsive-table tr:last-child td {
    border-bottom: none;
}

.responsive-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

@media (max-width: 600px) {
    /* Alternative mobile view for tables: stack rows */
    .responsive-table.stack-on-mobile {
        min-width: 0;
    }
    
    .responsive-table.stack-on-mobile thead {
        display: none;
    }
    
    .responsive-table.stack-on-mobile tr {
        display: block;
        margin-bottom: var(--space-md);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-md);
        padding: var(--space-sm);
    }
    
    .responsive-table.stack-on-mobile td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        padding: var(--space-xs) 0;
    }
    
    .responsive-table.stack-on-mobile td:last-child {
        border-bottom: none;
    }
    
    .responsive-table.stack-on-mobile td::before {
        content: attr(data-label);
        font-weight: var(--font-weight-bold);
        color: var(--color-primary);
        font-size: var(--font-size-xs);
        padding-right: var(--space-sm);
    }
}