/* global styles & theme */
:root {
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --subtle-text: #6b7280;
    --border-color: #e5e7eb;
    --card-bg: #ffffff;
    --map-overlay-bg: rgba(255, 255, 255, 0.7);
    --hover-bg: #f9fafb;
    --particle-color: rgba(0, 0, 0, 0.15);

    /* github heatmap colors (light) */
    --gh-level-0: #ebedf0;
    --gh-level-1: #9be9a8;
    --gh-level-2: #40c463;
    --gh-level-3: #30a14e;
    --gh-level-4: #216e39;
}

body.dark-mode {
    --bg-color: #111111;
    --text-color: #ffffff;
    --subtle-text: #b0b0b0;
    --border-color: #374151;
    --card-bg: #1d1d1d;
    --map-overlay-bg: rgba(0, 0, 0, 0.7);
    --hover-bg: #282828;
    --particle-color: rgba(255, 255, 255, 0.2);

    /* github heatmap colors (dark) */
    --gh-level-0: #161b22;
    --gh-level-1: #0e4429;
    --gh-level-2: #006d32;
    --gh-level-3: #26a641;
    --gh-level-4: #39d353;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 1.5rem;
    transition: background-color 0.3s, color 0.3s;
    max-width: 1024px;
    margin: 0 auto;
    position: relative;
    overflow-x: hidden;
}

/* particle canvas */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* make sure content is above canvas */
header,
main,
footer {
    position: relative;
    z-index: 1;
}

/* navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

.nav-logo {
    font-weight: 700;
    font-size: 1.125rem;
    letter-spacing: -0.025em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--subtle-text);
    font-size: 0.95rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text-color);
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.25rem;
    padding: 0.25rem;
    color: var(--text-color);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

/* map section */
.map-container {
    position: relative;
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    height: 300px;
}

.interactive-map {
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* map fade overlay - fades from bottom - only 20% */
.map-fade-overlay {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 20%;
    pointer-events: none;
    z-index: 2;
    background: linear-gradient(to top, var(--bg-color) 0%, transparent 100%);
}

/* hide white border at bottom of map */
.leaflet-container {
    background: transparent !important;
}

.leaflet-tile-pane {
    filter: none;
}

body.dark-mode .leaflet-tile-pane {
    filter: brightness(1.5) saturate(1.15);
}

/* hide leaflet attribution in corner */
.leaflet-control-attribution {
    display: none;
}

/* customize leaflet controls */
.leaflet-control-zoom {
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    overflow: hidden;
}

.leaflet-control-zoom a {
    background-color: var(--card-bg) !important;
    color: var(--text-color) !important;
    border: none !important;
}

.leaflet-control-zoom a:hover {
    background-color: var(--hover-bg) !important;
}

.blue-dot {
    /* dot is now placed using Leaflet coordinates in script.js */
    display: none;
}

/* blue location dot styling */
.blue-location-dot {
    filter: drop-shadow(0 0 6px rgba(59, 130, 246, 0.7));
}

body.dark-mode .blue-location-dot {
    filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.9));
}

.clock {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--map-overlay-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    z-index: 10;
}

/* plane */
.plane {
    position: absolute;
    font-size: 1.5rem;
    z-index: 6;
    animation: fly 12s linear infinite;
}

@keyframes fly {
    0% {
        transform: translate(-100px, 100px) rotate(25deg);
        opacity: 0.8;
    }

    100% {
        transform: translate(800px, -150px) rotate(25deg);
        opacity: 1;
    }
}

/* intro layout */
.intro-layout {
    display: flex;
    gap: 4rem;
    align-items: center;
    margin-top: 3.5rem;
    margin-bottom: 4rem;
}

.intro-left {
    flex: 1;
    min-width: 0;
}

.greeting {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0 0 0.35rem;
    letter-spacing: -0.025em;
    color: var(--text-color);
    line-height: 1.15;
}

.tagline {
    font-size: 1.1rem;
    color: var(--subtle-text);
    margin: 0 0 0.85rem;
    letter-spacing: 0.01em;
}

.profile-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.05rem;
    color: #10b981;
    margin-bottom: 1rem;
}

.status-dot {
    width: 7px;
    height: 7px;
    background-color: #10b981;
    border-radius: 50%;
    flex-shrink: 0;
    animation: blink 2.4s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}

.intro-text {
    font-size: 1.15rem;
    line-height: 1.7;
    color: var(--subtle-text);
    max-width: 44ch;
    margin: 0 0 1.25rem;
}

/* photo stack */
.photo-stack-container {
    position: relative;
    flex-shrink: 0;
    margin-right: 3.5rem; /* Increased from 2rem to prevent horizontal scrolling */
}

.photo-stack {
    flex-shrink: 0;
    width: 320px;
    height: 420px;
    position: relative;
    cursor: grab;
    user-select: none;
    z-index: 2;
}

.photo-stack:active {
    cursor: grabbing;
}

.card {
    position: absolute;
    top: 0;
    left: 0;
    width: 300px;
    height: 390px;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s;
}

.card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    -webkit-user-drag: none;
    pointer-events: none;
}

.ph {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    background: var(--hover-bg);
}

.card:nth-child(1) { z-index: 3; transform: rotate(-1deg); }
.card:nth-child(2) { z-index: 2; transform: rotate(2.5deg) translate(10px, 9px); }
.card:nth-child(3) { z-index: 1; transform: rotate(-2.5deg) translate(20px, 18px); }

/* Floating Tech Icons */
.floating-icon {
    position: absolute;
    background: #1a1a1a; /* Dark background from reference */
    border-radius: 16px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25), 0 0 15px var(--glow-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px;
    z-index: 3;
    border: 1px solid rgba(255, 255, 255, 0.1);
    
    /* Using variables ensures hover scales smoothly without breaking rotation */
    transform: translate(var(--tx, 0), var(--ty, 0)) rotate(var(--rot, 0deg)) scale(var(--scale, 1));
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
    cursor: pointer;
    pointer-events: auto !important; /* Allows hover/click */
}

body.dark-mode .floating-icon {
    background: #111;
    border-color: rgba(255, 255, 255, 0.15);
}

.floating-icon img {
    width: 50px; /* Slightly smaller logos */
    height: 50px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.floating-icon .tool-name {
    font-size: 0;
    opacity: 0;
    color: #fff;
    font-weight: 600;
    margin-top: 0;
    transition: all 0.3s ease;
    white-space: nowrap;
}

/* Hover and Active (Click) States */
.floating-icon:hover {
    --scale: 1.08;
    z-index: 10;
}

.floating-icon.active {
    --scale: 1.15;
    z-index: 15;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 25px var(--glow-color);
}

.floating-icon.active .tool-name {
    font-size: 0.75rem;
    opacity: 1;
    margin-top: 8px;
}

/* Base Icon Positions */
.icon-python { top: -10px; left: -30px; --rot: -15deg; }
.icon-copilot { top: -25px; right: 25px; --rot: 8deg; }
.icon-docker { top: 45px; right: -40px; --rot: 15deg; }
.icon-postgres { top: 50%; right: -50px; --ty: -50%; --rot: -5deg; }
.icon-go { bottom: 10px; right: -10px; --rot: -10deg; }
.icon-claude { bottom: 50px; left: -40px; --rot: 10deg; }
.icon-codex { bottom: -15px; left: 20px; --rot: -8deg; }
.icon-java { top: -35px; left: 40px; --rot: 6deg; }

/* action row */
.action-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* social links (kept for back-compat) */
.social-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    margin-bottom: 2.5rem;
}

.social-button {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border-radius: 8px;
    transition: background-color 0.2s, color 0.2s;
}

.resume-button {
    font-size: 0.9rem;
    font-weight: 500;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    gap: 0.5rem;
}

.resume-button:hover {
    background-color: var(--hover-bg);
}

.icon-button {
    color: var(--subtle-text);
    padding: 0.5rem;
    width: 40px;
    height: 40px;
}

.icon-button:hover {
    background-color: var(--hover-bg);
    color: var(--text-color);
}

.icon-button svg {
    width: 20px;
    height: 20px;
}

/* sections */
.section-container {
    margin-top: 3rem;
}

.section-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--text-color);
}

.section-title-label {
    display: inline-block;
    background-color: var(--hover-bg);
    border: 1px solid var(--border-color);
    border-radius: 9999px;
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--subtle-text);
    margin-bottom: 1.25rem;
}

/* github heatmap */
.heatmap-container {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    background-color: var(--card-bg);
    overflow-x: auto;
}

.heatmap-grid {
    display: grid;
    grid-template-rows: repeat(7, 12px);
    grid-auto-flow: column;
    grid-auto-columns: 12px;
    gap: 3px;
    width: min-content;
}

.heatmap-day {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    background-color: var(--gh-level-0);
}

.day-level-0 {
    background-color: var(--gh-level-0);
}

.day-level-1 {
    background-color: var(--gh-level-1);
}

.day-level-2 {
    background-color: var(--gh-level-2);
}

.day-level-3 {
    background-color: var(--gh-level-3);
}

.day-level-4 {
    background-color: var(--gh-level-4);
}

/* projects grid (homepage) */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.project-card {
    display: block;
    text-decoration: none;
    color: inherit;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.project-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    border-bottom: 1px solid var(--border-color);
}

.project-details {
    padding: 1.25rem;
}

.project-details h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    color: var(--text-color);
}

.project-details p {
    font-size: 0.95rem;
    color: var(--subtle-text);
    margin: 0;
}

.more-link {
    display: inline-block;
    text-decoration: none;
    color: var(--subtle-text);
    font-weight: 500;
    margin-top: 1rem;
    transition: color 0.2s;
}

.more-link:hover {
    color: var(--text-color);
}

/* projects page */
.projects-page {
    max-width: 900px;
    margin: 0 auto;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--text-color);
}

.project-showcase {
    margin-bottom: 4rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.project-browser {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.browser-header {
    background-color: var(--hover-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.browser-dots {
    display: flex;
    gap: 0.5rem;
}

.browser-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--border-color);
}

.browser-dots span:nth-child(1) {
    background-color: #ff5f56;
}

.browser-dots span:nth-child(2) {
    background-color: #ffbd2e;
}

.browser-dots span:nth-child(3) {
    background-color: #27c93f;
}

.browser-url {
    flex: 1;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--subtle-text);
    text-align: center;
}

.browser-content {
    background-color: var(--bg-color);
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.browser-content img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.project-info h2 {
    font-size: 1.875rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    color: var(--text-color);
}

.project-info>p:first-of-type {
    font-size: 1.125rem;
    color: var(--subtle-text);
    margin: 0 0 1rem 0;
}

.project-description {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-tag {
    background-color: var(--hover-bg);
    border: 1px solid var(--border-color);
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--text-color);
}

.project-links {
    display: flex;
    gap: 0.75rem;
}

.btn-outline,
.btn-filled {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

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

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

.btn-filled:hover {
    opacity: 0.9;
}

/* footer */
.footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-icon-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--subtle-text);
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-icon-link:hover {
    color: var(--text-color);
}

.footer-icon-link svg {
    width: 20px;
    height: 20px;
}

.footer-update {
    font-size: 0.85rem;
    color: var(--subtle-text);
}

/* responsive */
@media (max-width: 520px) {
    .intro-layout {
        flex-direction: column-reverse;
        align-items: center;
        gap: 2rem;
        margin-top: 2rem;
        padding: 0 0.75rem;
    }

    .photo-stack-container {
        margin-right: 0;
        margin-top: 2.5rem; /* keep top floating icons off the map above */
        margin-bottom: 3.5rem; /* Increased to ensure icons clear the text below it */
    }

    .photo-stack {
        width: 220px;
        height: 290px;
    }

    .card {
        width: 200px;
        height: 260px;
    }

    .greeting {
        font-size: 2rem;
    }

    .intro-text {
        font-size: 1.05rem;
        max-width: 100%;
    }

    .floating-icon { padding: 8px; }
    .floating-icon img { width: 36px; height: 36px; }

    .icon-python { top: -10px; left: -35px; }
    .icon-copilot { top: -25px; right: -10px; }
    .icon-docker { top: 30px; right: -40px; }
    .icon-postgres { top: 50%; right: -45px; }
    .icon-go { bottom: 0; right: -35px; }
    .icon-claude { bottom: 30px; left: -45px; }
    .icon-codex { bottom: -15px; left: -10px; }
    .icon-java { top: -30px; left: 30px; }
}

@media (min-width: 640px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

#preview-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 99999;
    pointer-events: none;
    overflow: hidden; 
}

#preview-wrapper img {
    position: absolute;
    top: 5vh;
    right: 0;
    width: max(120px, min(40vw, 480px, (100vw - 1024px) / 2 - 16px));
    height: 50vh;
    object-fit: cover;
    object-position: top left;
    border-radius: 12px 0 0 12px;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
    transform: translateX(101%);
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

body.dark-mode #preview-wrapper img {
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
}

#preview-wrapper img.show-preview {
    transform: translateX(0) !important;
}

@media (min-width: 768px) {
    body {
        padding: 2rem;
    }

    .page-title {
        font-size: 3rem;
    }
}