:root {
    --primary: #ffffff;
    --primary-hover: #e0e0e0;
    --primary-text: #000000;
    --bg: #121212;
    --surface: #121212;
    --surface-hover: rgba(255, 255, 255, 0.08);
    --text: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-disabled: rgba(255, 255, 255, 0.5);
    --border: rgba(255, 255, 255, 0.12);
    --action-active: #ffffff;
    --action-selected: rgba(255, 255, 255, 0.16);
    --action-disabled: rgba(255, 255, 255, 0.3);
    --action-disabled-bg: rgba(255, 255, 255, 0.12);
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

[data-bs-theme="light"] {
    --primary: #000000;
    --primary-hover: #333333;
    --primary-text: #ffffff;
    --bg: #f8fafc;
    --surface: #ffffff;
    --surface-hover: #f1f5f9;
    --text: #1e293b;
    --text-secondary: #64748b;
    --text-disabled: #94a3b8;
    --border: #e2e8f0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg);
    color: var(--text);
    transition: background-color 0.3s ease, color 0.3s ease;
    line-height: 1.5;
}

.main-container {
    max-width: 1000px;
    margin: 0 auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

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

/* Theme-aware emphasis: readable in both light and dark (replaces text-white in content) */
.text-emphasis { color: var(--text) !important; }

/* View More/Less */
.experience-more {
    display: none;
}

.experience-more.show {
    display: block;
}

/* Tiles */
.tile, .header-tile {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.header-tile {
    padding: 3rem 2.5rem;
}

.tile:hover {
    border-color: var(--primary);
}

.btn-surface {
    background-color: var(--surface);
    color: var(--text);
    border-color: var(--border);
}

.btn-surface:hover {
    background-color: var(--surface);
    color: var(--text);
    border-color: var(--border);
}
.btn-surface:active,
.btn-surface:focus,
.btn-surface:focus-visible {
    background-color: var(--surface);
    color: var(--text);
    border-color: var(--border);
    box-shadow: none;
    outline: none;
}
/* Filled surface button – same look as primary but same click behavior as btn-surface (no blue) */
.btn-surface-fill {
    background-color: var(--primary);
    color: var(--primary-text) !important;
    border-color: var(--primary);
}
.btn-surface-fill:hover,
.btn-surface-fill:active,
.btn-surface-fill:focus,
.btn-surface-fill:focus-visible {
    background-color: var(--primary);
    color: var(--primary-text) !important;
    border-color: var(--primary);
    box-shadow: none !important;
    outline: none !important;
}

/* Profile */
.profile-img {
    width: 140px;
    height: 140px;
    object-fit: cover;
    border: 1px solid var(--border);
    padding: 4px;
    background: var(--surface-hover);
}

/* Project Items */
.project-item:last-child {
    border-bottom: none !important;
}

/* Timeline */
.mini-timeline {
    position: relative;
    padding-left: 1.25rem;
}

.mini-timeline::before {
    content: '';
    position: absolute;
    left: 3px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--border);
}

.m-timeline-item {
    position: relative;
}

/* Square marker: outlined (default) */
.m-timeline-item::before {
    content: '';
    position: absolute;
    left: -1.25rem;
    top: 6px;
    width: 10px;
    height: 10px;
    background: transparent;
    border: 2px solid var(--primary);
    box-sizing: border-box;
}

/* First entry: solid square */
.m-timeline-item-first::before {
    background: var(--primary);
    border: none;
}

/* Stack Grid – equal tiles, aligned */
.stack-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.stack-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 96px;
    padding: 1rem;
    transition: transform 0.2s ease, border-color 0.2s ease;
    cursor: default;
}

.stack-icon-wrap {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.stack-item:hover {
    transform: scale(1.05);
    border-color: var(--primary) !important;
}

.stack-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.2;
}

/* Black & white logos */
.stack-item img.stack-icon {
    max-width: 32px;
    max-height: 32px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.stack-icon-wordmark {
    max-width: 48px;
    max-height: 28px;
}

.stack-icon-aws {
    max-width: 48px;
    max-height: 24px;
}

[data-bs-theme="dark"] .stack-item img.stack-icon {
    filter: brightness(0) invert(1);
}

[data-bs-theme="light"] .stack-item img.stack-icon,
:root:not([data-bs-theme="dark"]) .stack-item img.stack-icon {
    filter: brightness(0);
}

.stack-icon-lucide {
    color: var(--primary);
}

@media (max-width: 575.98px) {
    .stack-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Buttons: lift on hover, no color change on hover or click (match Back to Dashboard / btn-surface) */
.btn {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover {
    transform: translateY(-3px);
}
.btn:active,
.btn:focus,
.btn:focus-visible,
.btn.show {
    transform: translateY(0);
}
/* No blue focus ring – same as Back to Dashboard */
.btn:active,
.btn:focus,
.btn:focus-visible {
    box-shadow: none !important;
    outline: none !important;
}
.btn:focus-visible {
    outline: 2px solid var(--border) !important;
    outline-offset: 2px;
}

.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    color: var(--primary-text) !important;
}
.btn-primary:hover,
.btn-primary:active,
.btn-primary:focus,
.btn-primary:focus-visible {
    background-color: var(--primary);
    border-color: var(--primary);
    color: var(--primary-text) !important;
}

.btn-outline-primary, .btn-outline-secondary {
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline-primary:hover,
.btn-outline-primary:active,
.btn-outline-primary:focus,
.btn-outline-primary:focus-visible,
.btn-outline-secondary:hover,
.btn-outline-secondary:active,
.btn-outline-secondary:focus,
.btn-outline-secondary:focus-visible {
    background-color: transparent;
    border-color: var(--primary);
    color: var(--primary) !important;
}

.text-primary {
    color: var(--primary) !important;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 10px;
}

/* Blog Items */
.blog-item:last-child {
    border-bottom: none !important;
}

/* Carousel Controls */
.carousel-item {
    transition: transform 0.6s ease-in-out;
}

.hover-primary:hover {
    color: var(--primary) !important;
}

@media (max-width: 767.98px) {
    .header-tile { padding: 1.5rem; text-align: center; }
    .header-tile .row { flex-direction: column; }
    .profile-img { margin-bottom: 1rem; }
    .header-tile .d-flex { justify-content: center !important; flex-wrap: wrap; }
    .main-container { padding-top: 2rem !important; }
}