/* --- CSS --- */
:root {
    --bg-color: #fcfcfc;
    --text-color: #1a1a1a;
    --text-muted: #888888;
    --hover-bg: #f0f0f0;
    --left-panel-width: 550px;
}

/* Set background on html so the viewport is dark before body renders */
html { background-color: #fcfcfc; }
html.dark-theme { background-color: #0a0a0a; }

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    display: flex;
    justify-content: flex-start;
    min-height: 100vh;
}

/* SPA root must behave like the old page root */
#spa-view {
    width: 100%;
    flex: 1 1 auto;
    min-height: 100vh;
}

body.no-scroll {
    overflow: hidden;
}

html.page-fade-in body {
    opacity: 0;
    animation: pageFadeIn 0.5s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes pageFadeIn {
    0% { opacity: 0; transform: translateY(6px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* --- LAYOUT CONTAINER --- */
.main-wrapper {
    display: flex;
    width: 100%;
    height: 100vh;
    position: relative;
    z-index: 1;
}

/* --- LEFT PANEL --- */
.left-panel {
    width: var(--left-panel-width);
    padding: 4rem 2rem 8rem 4rem;
    overflow-y: auto;
    z-index: 10;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    flex-shrink: 0;
}

.project-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.project-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    transition: background-color 0.2s ease;
    font-size: 0.95rem;
    user-select: none;
    cursor: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    border: none;
    outline: none;
    box-shadow: none;
    isolation: isolate;
    contain: layout style;
}

.project-item:hover, .project-item.active { background-color: var(--hover-bg); }
.project-name { flex: 1; }

.client-info {
    color: var(--text-muted);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 4px;
    margin-right: 1.5rem;
}

.verified-badge { height: 14px; width: auto; pointer-events: none; }
.project-year { color: var(--text-muted); min-width: 40px; text-align: right; }

.attribution {
    margin-top: 0.5rem;
    font-size: 0.7rem;
    color: var(--text-muted);
    opacity: 0.6;
    line-height: 1.6;
    display: block;
    padding: 0.9rem 0.75rem
}

.attribution a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }

.apple-logo {
    height: 11px; width: auto; fill: currentColor; margin-left: 2px;
    vertical-align: middle; position: relative; top: -1px;
}

/* --- RIGHT PANEL --- */
.right-panel { flex: 1; position: relative; overflow: hidden; }

.right-panel-video {
    position: absolute; top: -10%; left: -20%; width: 180%; height: 120%;
    object-fit: contain; object-position: center center; opacity: 0.07;
    pointer-events: none; z-index: 0; transition: filter 0.5s ease, opacity 0.5s ease;
    will-change: clip-path;
}

.profile-info {
    position: absolute; top: 50%; left: 4rem; transform: translateY(-50%);
    transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

.name-wrapper { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 0.2rem; }

.avatar-img {
    width: 2.5rem; height: 2.5rem; border-radius: 50%; object-fit: cover;
    background-color: #eee; border: 1px solid rgba(0, 0, 0, 0.05); pointer-events: none;
}

.profile-info h1 { font-size: 1.75rem; font-weight: 600; }

.profile-link {
    color: inherit; text-decoration: none; position: relative;
    transition: color 0.2s; cursor: pointer; display: inline-block;
}

.profile-link::after {
    content: ''; position: absolute; width: 100%; transform: scaleX(0.3);
    height: 1px; bottom: 4px; left: 0; background-color: var(--text-color);
    transform-origin: bottom left; transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1), opacity 0.4s;
    opacity: 0.4;
}

.profile-link:hover::after { transform: scaleX(1); opacity: 1; }

.particle {
    position: absolute; pointer-events: none; background: var(--text-color);
    border-radius: 50%; opacity: 0; z-index: 100;
}

.profile-info h2 {
    font-size: 1.75rem; font-weight: 400; color: var(--text-muted);
    display: flex; align-items: center; white-space: nowrap;
}

.profile-info h2 strong { color: var(--text-color); margin-left: 0.5rem; min-width: 1ch; display: inline-block; }

#typing-text::after {
    content: "|"; animation: blink 1s infinite; margin-left: 2px; font-weight: 300;
}

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

body.is-hovering .profile-info { opacity: 0.1; transform: translateY(-70%); }
body.is-hovering .right-panel-video { filter: blur(5px); opacity: 0.03; }

.preview-container {
    position: fixed; pointer-events: none; opacity: 0; visibility: hidden;
    z-index: 100; transition: opacity 0.3s ease, visibility 0.3s;
    display: flex; flex-direction: row; flex-wrap: wrap; gap: clamp(0.5rem, 1.5vw, 2rem);
    align-items: center; justify-content: flex-start;
    max-width: calc(100vw - var(--left-panel-width) - 3rem); max-height: 90vh;
    overflow: visible; contain: layout style size; isolation: isolate;
}

@keyframes itemPopEffect { 0% { opacity: 0; } 100% { opacity: 1; } }

.preview-container.visible { opacity: 1; visibility: visible; }

.preview-image {
    height: clamp(100px, 20vh, 250px) !important; width: auto !important;
    max-height: clamp(100px, 20vh, 250px); max-width: calc(100vw - var(--left-panel-width) - 4rem);
    object-fit: cover; border-radius: 12px; overflow: hidden;
    -webkit-mask-image: -webkit-radial-gradient(white, black); mask-image: radial-gradient(white, black);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3); opacity: 0; visibility: hidden;
    transform: scale(0.9) translateY(10px) translateZ(0);
    transition: opacity 0.4s ease, transform 0.15s ease-out; flex-shrink: 0;
    will-change: transform;
}

.preview-image.visible {
    animation: itemPopEffect 0.45s cubic-bezier(0.2, 1, 0.3, 1) forwards; visibility: visible;
}

.ratio-16-9 {
    aspect-ratio: 16 / 9; max-width: min(calc(100vw - var(--left-panel-width) - 4rem), 600px) !important; width: auto !important;
}
.ratio-1-1 { aspect-ratio: 1 / 1; }

/* --- NAVBAR GROUP --- */
.nav-group {
    position: fixed; top: 24px; right: 24px; display: flex; align-items: center;
    gap: 10px; z-index: 1000; cursor: grab; user-select: none;
    transform: translateZ(0); will-change: transform;
}

.nav-group.dragging { cursor: grabbing; }
.nav-group #theme-toggle { cursor: pointer; }

.site-nav {
    position: relative; background: rgba(252, 252, 252, 0.75);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 0.5px solid rgba(0, 0, 0, 0.1); border-radius: 999px;
    padding: 0.35rem 0.5rem; display: flex; align-items: center;
    gap: 0.4rem; width: fit-content; white-space: nowrap;
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.site-nav:hover { border-color: rgba(0, 0, 0, 0.2); box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08); }

.nav-group.dragging .site-nav {
    transition: none !important; box-shadow: 0 8px 32px rgba(0, 0, 0, 0.14);
    border-color: rgba(0, 0, 0, 0.18);
}

.nav-list {
    list-style: none; display: flex; gap: 0.15rem; align-items: center; position: relative;
}

.nav-indicator {
    position: absolute; top: 0; left: 0; height: 100%; background-color: var(--hover-bg);
    border-radius: 999px; pointer-events: none; z-index: 0;
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
                width 0.35s cubic-bezier(0.22, 1, 0.36, 1),
                opacity 0.3s ease;
    opacity: 1;
}

.nav-indicator.is-hidden { opacity: 0; transition: opacity 0.2s ease; }

.nav-link {
    display: block; padding: 0.35rem 1rem; border-radius: 999px; font-size: 0.85rem;
    color: var(--text-muted); text-decoration: none;
    transition: color 0.2s ease, background-color 0.2s ease; white-space: nowrap; position: relative; z-index: 1;
}

/* Reserve the same width as the bold active state to prevent layout shifts */
.nav-link::before {
    content: attr(data-label);
    font-weight: 500;
    visibility: hidden;
    display: block;
    height: 0;
    overflow: hidden;
    pointer-events: none;
}

.nav-link:not(.active):hover { color: var(--text-color); background-color: rgba(0, 0, 0, 0.05); }
body.dark-theme .nav-link:not(.active):hover { background-color: rgba(255, 255, 255, 0.06); }
.nav-link:hover { color: var(--text-color); }
.nav-link.active { color: var(--text-color); font-weight: 500; }

/* During indicator transitions, suppress hover preview to avoid overlap flicker */
.site-nav.is-transitioning .nav-link:hover,
.site-nav.is-transitioning .nav-link:not(.active):hover {
    color: var(--text-muted);
    background-color: transparent;
}

.site-nav.is-transitioning .nav-link.active {
    font-weight: 400;
}

.nav-reset-btn {
    opacity: 0; visibility: hidden; display: none; align-items: center; justify-content: center;
    width: 22px; height: 22px; border-radius: 50%; border: 0.5px solid rgba(0, 0, 0, 0.15);
    background: var(--hover-bg); color: var(--text-muted); font-size: 11px;
    line-height: 1; flex-shrink: 0; transition: opacity 0.3s ease, visibility 0.3s ease, background 0.2s, color 0.2s;
}

.nav-reset-btn:hover { background: #e0e0e0; color: var(--text-color); }
.nav-reset-btn.visible { opacity: 1; visibility: visible; display: flex; }

/* --- DRAG HANDLES --- */
.nav-drag-handle {
    display: flex; flex-direction: column; gap: 2.5px; padding: 0 2px 0 4px;
    opacity: 0.25; transition: opacity 0.2s ease; pointer-events: none; flex-shrink: 0;
}
.nav-drag-handle span { display: flex; gap: 2.5px; }
.nav-drag-handle span::before, .nav-drag-handle span::after {
    content: ''; width: 2.5px; height: 2.5px; border-radius: 50%; background: var(--text-color); display: block;
}

.site-nav:hover .nav-drag-handle { opacity: 0.45; }
.nav-group.dragging .nav-drag-handle { opacity: 0.6; }

.nav-snap-ghost {
    position: fixed; display: flex; align-items: center; gap: 10px;
    pointer-events: none; opacity: 0; transition: opacity 0.2s ease; z-index: 997; transform: translateZ(0);
}
.nav-snap-ghost.visible { opacity: 1; }

.snap-ghost-nav, .snap-ghost-btn {
    border-radius: 999px; border: 2px solid rgba(200, 200, 200, 0.5);
    background: rgba(0, 0, 0, 0.04); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); flex-shrink: 0;
}

body.dark-theme .snap-ghost-nav, body.dark-theme .snap-ghost-btn {
    border-color: rgba(255, 255, 255, 0.1); background: rgba(20, 20, 20, 0.6);
}

/* --- THEME TOGGLE & SETTINGS --- */
#theme-flood {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background-color: #0a0a0a; z-index: 0; clip-path: circle(0% at 50% 50%);
    transition: clip-path 1.2s cubic-bezier(0.16, 1, 0.3, 1); will-change: clip-path; transform: translateZ(0);
}

.no-transition, .no-transition * { transition: none !important; animation: none !important; }
body.dark-theme #theme-flood { clip-path: circle(150% at 50% 50%); }

body.dark-theme { color: #fcfcfc; --text-color: #fcfcfc; --text-muted: #999999; --hover-bg: rgba(255, 255, 255, 0.1); }
body.dark-theme .site-nav { background: rgba(20, 20, 20, 0.75); border-color: rgba(255, 255, 255, 0.1); }
body.dark-theme .nav-indicator { background-color: #333333; }
body.dark-theme .nav-reset-btn { background: #333333; border-color: rgba(255, 255, 255, 0.15); }
body.dark-theme .nav-reset-btn:hover { background: #444444; color: #ffffff; }
body.dark-theme .nav-drag-handle span::before, body.dark-theme .nav-drag-handle span::after { background: #fcfcfc; }

.theme-toggle-btn {
    background: rgba(252, 252, 252, 0.75); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 0.5px solid rgba(0, 0, 0, 0.1); border-radius: 999px; color: var(--text-muted);
    padding: 0.45rem; display: flex; align-items: center; justify-content: center;
    transition: color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease; flex-shrink: 0;
}

.theme-toggle-btn:hover { color: var(--text-color); border-color: rgba(0, 0, 0, 0.2); box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08); }
.nav-group.dragging .theme-toggle-btn { transition: none !important; }
body.dark-theme .theme-toggle-btn { background: rgba(20, 20, 20, 0.75); border-color: rgba(255, 255, 255, 0.1); color: var(--text-muted); }
body.dark-theme .theme-toggle-btn:hover { color: #fcfcfc; border-color: rgba(255, 255, 255, 0.2); box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3); }

/* --- WATERMARK --- */
.watermark {
    position: fixed; bottom: 1.5rem; right: 1.5rem; width: 140px;
    opacity: 1; pointer-events: none; z-index: 999; transition: opacity 0.3s ease;
}
body:not(.dark-theme) .watermark { filter: invert(1); }

.watermark2 {
    position: fixed; top: 1.5rem; left: 50%; transform: translateX(-50%); width: 160px;
    opacity: 0.9; pointer-events: none; z-index: 999; transition: filter 0.3s ease, opacity 0.3s ease;
    mix-blend-mode: difference;
}
body:not(.dark-theme) .watermark2 { filter: invert(1); }
body.dark-theme .watermark2 { opacity: 0.85; }

.hidden { visibility: hidden; display: none; }
img { pointer-events: none !important; }

/* ============================================================
   FULLSCREEN IMAGE GRID OVERLAY (tablet / mobile)
   ============================================================ */
.fs-overlay {
    position: fixed; inset: 0; z-index: 9999; background: rgba(8, 8, 16, 0.80);
    backdrop-filter: blur(28px) saturate(160%); -webkit-backdrop-filter: blur(28px) saturate(160%);
    display: flex; flex-direction: column; opacity: 0; visibility: hidden;
    transition: opacity 0.28s ease, visibility 0.28s ease; contain: strict;
}

.fs-overlay.visible { opacity: 1; visibility: visible; }

.fs-topbar {
    flex-shrink: 0; height: 56px; margin-top: env(safe-area-inset-top, 0px);
    display: flex; align-items: center; justify-content: space-between; padding: 0 1.25rem;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.25), transparent);
}

.fs-title {
    color: rgba(255, 255, 255, 0.9); font-size: 0.95rem; font-weight: 500;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; margin-right: 1rem;
}

.fs-close-btn {
    width: 36px; height: 36px; flex-shrink: 0; border-radius: 50%; border: 1px solid rgba(255, 255, 255, 0.22);
    background: rgba(255, 255, 255, 0.1); color: #fff; font-size: 1rem; display: flex;
    align-items: center; justify-content: center; cursor: pointer; transition: background 0.2s ease, transform 0.15s ease;
    -webkit-tap-highlight-color: transparent;
}
.fs-close-btn:active { background: rgba(255, 255, 255, 0.28); transform: scale(0.88); }

.fs-grid {
    flex: 1; overflow-y: auto; overflow-x: hidden; -webkit-overflow-scrolling: touch; touch-action: pan-y;
    display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: auto;
    gap: 0.5rem; padding: 0.75rem 1rem calc(1.5rem + env(safe-area-inset-bottom, 0px));
    align-content: start; scrollbar-width: none;
}
.fs-grid::-webkit-scrollbar { display: none; }

.fs-img {
    width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 10px;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.45); opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.2, 1, 0.3, 1); transform: translateY(6px);
}

.fs-img.ratio-16-9 { grid-column: 1 / -1; aspect-ratio: 16 / 9; width: 100%; max-width: 100%; }

.fs-overlay.visible .fs-img { opacity: 1; transform: translateY(0); }
.fs-overlay.visible .fs-img:nth-child(1) { transition-delay: 0.04s; }
.fs-overlay.visible .fs-img:nth-child(2) { transition-delay: 0.07s; }
.fs-overlay.visible .fs-img:nth-child(3) { transition-delay: 0.10s; }
.fs-overlay.visible .fs-img:nth-child(4) { transition-delay: 0.13s; }
.fs-overlay.visible .fs-img:nth-child(5) { transition-delay: 0.16s; }
.fs-overlay.visible .fs-img:nth-child(6) { transition-delay: 0.19s; }
.fs-overlay.visible .fs-img:nth-child(7) { transition-delay: 0.22s; }
.fs-overlay.visible .fs-img:nth-child(8) { transition-delay: 0.25s; }
.fs-overlay.visible .fs-img:nth-child(n+9) { transition-delay: 0.28s; }

/* =============================================
   RESPONSIVE STYLES
   ============================================= */

@media (min-width: 1101px) {
    .right-panel-video { object-position: 20% center; }
    .preview-container { overflow: visible !important; background: transparent !important; box-shadow: none !important; border: none !important; border-radius: 0 !important; }
    .preview-container .preview-image { overflow: visible; }
    
    /* Nest Hub Max */
    @media (max-width: 1300px) and (max-height: 850px) {
        .right-panel-video { object-position: center 5%; }
    }
}

@media (max-width: 1100px) {
    html, body { overflow-x: hidden; overflow-y: auto !important; height: auto !important; min-height: 100% !important; -webkit-overflow-scrolling: touch; }
    .main-wrapper { flex-direction: column; display: block; height: auto !important; min-height: 100vh; position: relative; overflow: visible !important; }
    .right-panel { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
    .right-panel-video { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; object-position: center center; opacity: 0.07; }
    .profile-info { position: absolute; top: 60px; left: 2.25rem; padding: 0; bottom: auto; transform: none; z-index: 10; pointer-events: none; }
    .profile-info h1, .profile-info h2 { font-size: 1.15rem; }
    body.is-hovering .profile-info { opacity: 0.1; transition: opacity 0.3s ease; }
    .left-panel { display: block; width: 100% !important; height: auto !important; padding: 12rem 1.5rem 2rem !important; overflow: visible !important; overflow-y: visible !important; position: relative; z-index: 2; }
    .preview-container { display: none !important; }
    .nav-link { padding: 0.3rem 0.75rem; font-size: 0.8rem; }
    .attribution { margin-top: 2rem; }
    .watermark { width: 100px; bottom: 1rem; right: 1rem; }

    .project-item { transform: none !important; padding: 0.9rem 0.75rem; }
    .project-item::after {
        content: '\203A'; font-size: 1.2rem; line-height: 1; color: var(--text-muted);
        opacity: 0.4; margin-left: 0.6rem; flex-shrink: 0; transition: opacity 0.2s ease, transform 0.2s ease, color 0.2s ease;
    }
    .project-item.active::after { opacity: 1; transform: translateX(3px); color: var(--text-color); }
    .project-item:active { transform: scale(0.985) !important; background-color: var(--hover-bg); }

    /* Nest Hub */
    @media (min-width: 800px) and (max-height: 650px) {
        .right-panel-video { object-position: center 10%; opacity: 0.10; }
        .watermark { top: 1rem; bottom: auto; left: 1rem; right: auto; width: 90px; opacity: 0.5; }
    }
}

@media (min-width: 600px) {
    .fs-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 600px) {
    .profile-info { top: 65px; left: 1rem; padding: 0.5rem 0.85rem; }
    .profile-info h1, .profile-info h2 { font-size: 1rem; }
    .avatar-img { width: 1.8rem; height: 1.8rem; }
    .left-panel { padding: 11rem 1rem 2rem !important; }
    .project-item { padding: 0.65rem 0.6rem; font-size: 0.85rem; gap: 0.25rem; }
    .client-info { display: none; }
    .project-name { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 55vw; }
    .project-year { font-size: 0.75rem; min-width: 32px; }
    
    .nav-group {
        position: fixed !important; top: 16px !important; left: 50% !important; right: auto !important;
        transform: translateX(-50%) translateZ(0) !important; cursor: default !important;
        width: max-content !important; display: flex !important; flex-direction: row !important;
        flex-wrap: nowrap !important; align-items: center !important;
    }
    .site-nav { padding: 0.25rem 0.35rem; }
    .nav-link { padding: 0.28rem 0.55rem; font-size: 0.75rem; }
    .nav-drag-handle { display: none; }
    .watermark { width: 80px; }
}

@media (max-height: 500px) and (orientation: landscape) {
    .profile-info h1, .profile-info h2 { font-size: 1rem; }
    .fs-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); grid-auto-rows: 100px; }
}