:root {
    --bg-0: #04050a;
    --bg-1: #0b1018;
    --bg-2: #180d10;
    --panel: rgba(10, 14, 22, 0.8);
    --panel-strong: rgba(9, 13, 20, 0.92);
    --line: rgba(255, 255, 255, 0.08);
    --line-strong: rgba(255, 132, 90, 0.28);
    --text: rgba(248, 244, 238, 0.96);
    --muted: rgba(211, 220, 234, 0.62);
    --cyan: #62e7ff;
    --lime: #d4ff58;
    --amber: #ffb357;
    --ember: #ff6b4a;
    --steel: #a6aeff;
    --shadow: 0 30px 90px rgba(0, 0, 0, 0.52);
}

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

html,
body {
    width: 100%;
    min-height: 100%;
}

html {
    min-height: 100dvh;
}

body {
    background:
        radial-gradient(circle at 12% 10%, rgba(98, 231, 255, 0.18), transparent 28%),
        radial-gradient(circle at 84% 14%, rgba(255, 107, 74, 0.18), transparent 24%),
        radial-gradient(circle at 50% 108%, rgba(255, 179, 87, 0.12), transparent 34%),
        linear-gradient(160deg, var(--bg-2), var(--bg-1) 42%, var(--bg-0) 100%);
    color: var(--text);
    overflow: hidden;
    font-family: 'Inter', sans-serif;
}

#white-flash {
    position: fixed;
    inset: 0;
    background: #f7fbff;
    opacity: 1;
    pointer-events: none;
    z-index: 200;
}

#os-interface {
    position: fixed;
    inset: 0;
    z-index: 50;
    opacity: 0;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background:
        radial-gradient(circle at 18% 18%, rgba(98, 231, 255, 0.14), transparent 28%),
        radial-gradient(circle at 84% 16%, rgba(255, 107, 74, 0.16), transparent 24%),
        radial-gradient(circle at 56% 110%, rgba(255, 179, 87, 0.1), transparent 34%),
        linear-gradient(155deg, #06080d 0%, #0c1119 36%, #080a10 62%, #040507 100%);
}

#os-interface.active {
    pointer-events: auto;
}

.os-bg,
.os-stars,
.os-grid-glow {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.os-bg {
    background:
        radial-gradient(circle at 16% 20%, rgba(98, 231, 255, 0.2), transparent 0 22%),
        radial-gradient(circle at 82% 18%, rgba(255, 107, 74, 0.18), transparent 0 18%),
        radial-gradient(circle at 50% 118%, rgba(255, 179, 87, 0.14), transparent 0 28%),
        conic-gradient(from 180deg at 50% 50%, rgba(0, 0, 0, 0), rgba(98, 231, 255, 0.06), rgba(0, 0, 0, 0), rgba(255, 107, 74, 0.06), rgba(0, 0, 0, 0));
    filter: blur(14px);
    opacity: 0.95;
}

.os-stars {
    opacity: 0.52;
    background-image:
        radial-gradient(1px 1px at 7% 14%, rgba(255, 255, 255, 0.65) 0%, transparent 100%),
        radial-gradient(1px 1px at 22% 70%, rgba(98, 231, 255, 0.44) 0%, transparent 100%),
        radial-gradient(1px 1px at 34% 24%, rgba(255, 255, 255, 0.55) 0%, transparent 100%),
        radial-gradient(1px 1px at 57% 88%, rgba(255, 179, 87, 0.34) 0%, transparent 100%),
        radial-gradient(1px 1px at 73% 14%, rgba(255, 255, 255, 0.5) 0%, transparent 100%),
        radial-gradient(1px 1px at 86% 54%, rgba(255, 107, 74, 0.32) 0%, transparent 100%),
        radial-gradient(1px 1px at 12% 92%, rgba(255, 255, 255, 0.45) 0%, transparent 100%),
        radial-gradient(1px 1px at 48% 8%, rgba(255, 255, 255, 0.52) 0%, transparent 100%),
        radial-gradient(1px 1px at 66% 64%, rgba(98, 231, 255, 0.38) 0%, transparent 100%),
        radial-gradient(1px 1px at 94% 82%, rgba(255, 255, 255, 0.36) 0%, transparent 100%);
}

.os-grid-glow {
    inset: 42% -10% -34%;
    background-image:
        linear-gradient(rgba(98, 231, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(98, 231, 255, 0.08) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent 84%);
    opacity: 0.38;
    transform: perspective(1200px) rotateX(78deg);
    transform-origin: center top;
}

.os-nav {
    position: relative;
    z-index: 8;
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 18px;
    align-items: center;
    padding: 16px 26px;
    background: linear-gradient(180deg, rgba(7, 10, 16, 0.9), rgba(7, 10, 16, 0.56));
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(20px);
}

.os-brand-wrap {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.os-brand {
    font-family: 'Orbitron', sans-serif;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    background: linear-gradient(90deg, var(--amber), var(--cyan) 46%, #ffffff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 24px rgba(98, 231, 255, 0.18);
}

.os-brand-sub {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.34);
}

.os-status,
.os-clock {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
}

.os-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(239, 247, 255, 0.78);
    padding: 9px 13px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02)),
        rgba(255, 255, 255, 0.03);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.s-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--amber);
    box-shadow: 0 0 14px rgba(255, 179, 87, 0.95);
    animation: pulse-dot 2s ease-in-out infinite;
}

.os-clock {
    justify-self: end;
    color: rgba(255, 255, 255, 0.62);
    letter-spacing: 0.08em;
}

.os-stage {
    position: relative;
    z-index: 5;
    flex: 1;
    display: grid;
    grid-template-columns: minmax(320px, 420px) 1fr;
    gap: 24px;
    padding: 28px 26px 110px;
    min-height: 0;
    overflow: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
}

.os-stage::-webkit-scrollbar {
    width: 8px;
}

.os-stage::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.16);
    border-radius: 999px;
}

.hero-panel,
.launcher-panel {
    position: relative;
    min-height: 0;
    border: 1px solid var(--line);
    border-radius: 28px;
    background:
        linear-gradient(180deg, rgba(12, 16, 24, 0.95), rgba(7, 10, 16, 0.82)),
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.04), transparent 42%);
    box-shadow: var(--shadow);
    overflow: hidden;
    backdrop-filter: blur(20px);
}

.hero-panel {
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 24px;
}

.hero-panel::before,
.launcher-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(130deg, rgba(255, 255, 255, 0.1), transparent 28%),
        linear-gradient(0deg, color-mix(in srgb, var(--cyan) 10%, transparent), transparent 42%);
    pointer-events: none;
}

.hero-panel::after,
.launcher-panel::after {
    content: '';
    position: absolute;
    inset: 1px;
    border-radius: inherit;
    border: 1px solid rgba(255, 255, 255, 0.03);
    pointer-events: none;
}

.hero-kicker {
    display: inline-flex;
    width: fit-content;
    padding: 7px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255, 179, 87, 0.24);
    background: linear-gradient(90deg, rgba(255, 179, 87, 0.12), rgba(98, 231, 255, 0.12));
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #ffe0bc;
}

.hero-title {
    max-width: 12ch;
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(2.05rem, 4vw, 3.15rem);
    line-height: 1.02;
    letter-spacing: -0.03em;
    text-shadow: 0 12px 34px rgba(0, 0, 0, 0.32);
}

.hero-copy {
    max-width: 48ch;
    color: var(--muted);
    font-size: 0.98rem;
    line-height: 1.7;
}

.hero-signal-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.signal-card {
    padding: 14px 14px 15px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.08), transparent 42%),
        rgba(255, 255, 255, 0.035);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.signal-label {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.38);
    margin-bottom: 8px;
}

.signal-value {
    font-size: 0.96rem;
    font-weight: 600;
}

.hero-orbit {
    position: relative;
    width: 220px;
    height: 220px;
    align-self: center;
}

.orbit-ring,
.orbit-core {
    position: absolute;
    inset: 0;
    border-radius: 50%;
}

.orbit-ring-a {
    border: 1px solid rgba(98, 231, 255, 0.36);
    animation: spin-a 16s linear infinite;
}

.orbit-ring-b {
    inset: 22px;
    border: 1px dashed rgba(255, 107, 74, 0.32);
    animation: spin-b 12s linear infinite;
}

.orbit-core {
    inset: 54px;
    background:
        radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.85), transparent 24%),
        radial-gradient(circle at 50% 52%, rgba(255, 107, 74, 0.64), rgba(255, 107, 74, 0.12) 42%, transparent 72%),
        radial-gradient(circle at 62% 62%, rgba(98, 231, 255, 0.84), rgba(98, 231, 255, 0.12) 46%, transparent 78%);
    box-shadow:
        0 0 30px rgba(98, 231, 255, 0.45),
        0 0 70px rgba(255, 107, 74, 0.18);
}

.launcher-panel {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.launcher-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.section-label {
    font-family: 'Orbitron', sans-serif;
    font-size: 11px;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.38);
    margin-bottom: 7px;
}

.section-caption {
    color: var(--muted);
    font-size: 0.94rem;
}

.section-chip {
    padding: 9px 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
        rgba(255, 255, 255, 0.03);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.72);
    white-space: nowrap;
}

.section-btn {
    padding: 9px 13px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
        rgba(255, 255, 255, 0.03);
    color: rgba(255, 255, 255, 0.86);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.section-btn:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 179, 87, 0.32);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
}

.section-btn:focus-visible,
.path-node:focus-visible {
    outline: 2px solid rgba(98, 231, 255, 0.45);
    outline-offset: 2px;
}

.app-grid {
    flex: 1;
    min-height: 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    align-content: start;
}

.folder-overlay {
    position: fixed;
    inset: 0;
    z-index: 90;
    background: rgba(2, 4, 8, 0.56);
    backdrop-filter: blur(16px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.28s ease, visibility 0.28s ease;
}

.folder-overlay.active {
    opacity: 1;
    visibility: visible;
}

.folder-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    z-index: 95;
    width: min(920px, calc(100vw - 56px));
    max-height: min(74vh, 760px);
    padding: 22px 22px 24px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background:
        linear-gradient(180deg, rgba(18, 23, 33, 0.96), rgba(10, 12, 18, 0.94)),
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.06), transparent 42%);
    box-shadow:
        0 36px 90px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(34px);
    opacity: 0;
    visibility: hidden;
    overflow: auto;
    transform: translate(-50%, -50%) scale(0.92);
    transition: opacity 0.28s ease, transform 0.34s cubic-bezier(0.175, 0.885, 0.32, 1.15), visibility 0.28s ease;
}

.folder-popup.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.folder-popup[data-folder-kind='all-apps'] {
    width: min(1040px, calc(100vw - 56px));
}

.folder-popup-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    padding-bottom: 16px;
    margin-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.folder-popup-copy-wrap {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.folder-popup-kicker {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.42);
}

.folder-popup-title {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1.25rem, 2vw, 1.7rem);
    letter-spacing: 0.08em;
}

.folder-popup-path {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.42);
}

.folder-popup-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.folder-popup-copy {
    max-width: 62ch;
    margin-bottom: 18px;
    color: var(--muted);
    line-height: 1.65;
}

.folder-popup-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.app-icon {
    --tilt-x: 0deg;
    --tilt-y: 0deg;
    --glow-x: 50%;
    --glow-y: 50%;
    position: relative;
    isolation: isolate;
    display: grid;
    grid-template-rows: auto auto;
    gap: 15px;
    padding: 18px 16px 18px;
    text-decoration: none;
    color: inherit;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background:
        radial-gradient(circle at 14% 14%, color-mix(in srgb, var(--accent) 22%, white 8%), transparent 24%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015)),
        linear-gradient(180deg, rgba(10, 14, 21, 0.98), rgba(5, 7, 12, 0.98));
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.06),
        0 18px 36px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    transform: perspective(1200px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) translateY(0) scale(1);
    transform-style: preserve-3d;
    transition:
        transform 0.24s ease,
        border-color 0.28s ease,
        box-shadow 0.28s ease,
        background 0.28s ease;
}

.app-icon::before {
    content: '';
    position: absolute;
    inset: auto 10px 0;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.75;
}

.app-icon::after {
    content: '';
    position: absolute;
    inset: -22%;
    background: radial-gradient(circle at var(--glow-x) var(--glow-y), color-mix(in srgb, var(--accent) 24%, transparent), transparent 32%);
    opacity: 0.72;
    z-index: 0;
    transition: opacity 0.28s ease;
}

.app-icon:hover {
    transform: perspective(1200px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) translateY(-10px) scale(1.02);
    border-color: color-mix(in srgb, var(--accent) 55%, white 10%);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.06),
        0 26px 54px rgba(0, 0, 0, 0.4),
        0 0 0 1px color-mix(in srgb, var(--accent) 30%, transparent),
        0 0 38px color-mix(in srgb, var(--accent) 16%, transparent);
}

.app-icon:active {
    transform: perspective(1200px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) translateY(-2px) scale(0.985);
}

.icon-scan {
    position: absolute;
    inset: -30% auto -30% -60%;
    width: 58%;
    background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    opacity: 0;
    pointer-events: none;
    transform: translateX(-120%) skewX(-24deg);
    transition: transform 0.65s ease, opacity 0.28s ease;
}

.icon-box {
    position: relative;
    z-index: 2;
    width: 86px;
    height: 86px;
    border-radius: 26px;
    background:
        radial-gradient(circle at 28% 24%, rgba(255, 255, 255, 0.2), transparent 26%),
        radial-gradient(circle at 70% 84%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 38%),
        linear-gradient(160deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(255, 255, 255, 0.09);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        0 18px 30px rgba(0, 0, 0, 0.28),
        0 0 52px color-mix(in srgb, var(--accent) 16%, transparent);
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.folder-card .icon-box {
    padding: 12px;
    align-items: stretch;
    justify-content: stretch;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.03)),
        linear-gradient(160deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
}

.folder-tab {
    position: absolute;
    top: 10px;
    left: 14px;
    width: 34px;
    height: 14px;
    border-radius: 10px 10px 0 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.04));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 0;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.folder-preview-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 6px;
    width: 100%;
    height: 100%;
    padding-top: 8px;
}

.folder-preview {
    border-radius: 12px;
    background:
        radial-gradient(circle at 28% 24%, rgba(255, 255, 255, 0.2), transparent 28%),
        linear-gradient(160deg, color-mix(in srgb, var(--preview-accent) 30%, rgba(255, 255, 255, 0.08)), rgba(255, 255, 255, 0.03));
    border: 1px solid color-mix(in srgb, var(--preview-accent) 22%, rgba(255, 255, 255, 0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.folder-preview img {
    width: 82%;
    height: 82%;
    object-fit: contain;
    filter: saturate(1.14);
}

.folder-preview-empty {
    background:
        linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
    border-color: rgba(255, 255, 255, 0.06);
}

.icon-box::before {
    content: '';
    position: absolute;
    inset: 10px;
    border-radius: 19px;
    border: 1px solid color-mix(in srgb, var(--accent) 26%, rgba(255, 255, 255, 0.08));
    opacity: 0.72;
}

.icon-box::after {
    content: '';
    position: absolute;
    inset: 8px;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.icon-svg {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transform: translateZ(18px);
    filter: saturate(1.12) contrast(1.06);
    transition: transform 0.28s ease, filter 0.28s ease;
}

.app-copy {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.icon-label {
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.icon-meta {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: rgba(255, 255, 255, 0.42);
}

.app-action {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    color: color-mix(in srgb, var(--accent) 52%, rgba(255, 255, 255, 0.46));
}

.app-badge {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 2;
    padding: 5px 8px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--accent) 16%, rgba(255, 255, 255, 0.04));
    border: 1px solid color-mix(in srgb, var(--accent) 24%, rgba(255, 255, 255, 0.08));
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.74);
}

.app-icon:hover .icon-scan {
    opacity: 1;
    transform: translateX(340%) skewX(-24deg);
}

.app-icon:hover .icon-box {
    transform: translateY(-2px) scale(1.03);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        0 20px 38px rgba(0, 0, 0, 0.34),
        0 0 62px color-mix(in srgb, var(--accent) 22%, transparent);
}

.app-icon:hover .icon-svg {
    transform: translateZ(18px) scale(1.07);
    filter: saturate(1.24) contrast(1.08) drop-shadow(0 0 22px color-mix(in srgb, var(--accent) 24%, transparent));
}

.app-icon:hover .folder-preview {
    box-shadow: 0 0 20px color-mix(in srgb, var(--preview-accent) 14%, transparent);
}

.app-icon:hover .icon-label,
.app-icon:hover .app-action {
    color: rgba(255, 255, 255, 0.98);
}

.popup-app {
    gap: 12px;
    padding: 14px;
    border-radius: 22px;
}

.popup-app .icon-box {
    width: 76px;
    height: 76px;
    border-radius: 22px;
}

.popup-app .icon-label {
    font-size: 0.86rem;
}

.popup-app .icon-meta {
    font-size: 0.64rem;
}

.popup-app .app-action {
    font-size: 0.62rem;
}

.os-dock {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 6;
    display: flex;
    justify-content: center;
    padding: 0 24px max(18px, env(safe-area-inset-bottom));
}

.dock-pill {
    display: flex;
    gap: 14px;
    padding: 14px 18px;
    border-radius: 26px;
    background:
        linear-gradient(180deg, rgba(14, 18, 26, 0.92), rgba(10, 13, 18, 0.84)),
        rgba(11, 18, 28, 0.84);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 22px 54px rgba(0, 0, 0, 0.42);
    backdrop-filter: blur(24px);
}

.dock-btn {
    --tilt-x: 0deg;
    --tilt-y: 0deg;
    --glow-x: 50%;
    --glow-y: 50%;
    position: relative;
    isolation: isolate;
    width: 74px;
    height: 74px;
    border-radius: 22px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 7px;
    text-decoration: none;
    color: rgba(240, 245, 255, 0.82);
    background:
        radial-gradient(circle at var(--glow-x) var(--glow-y), color-mix(in srgb, var(--accent) 18%, transparent), transparent 36%),
        radial-gradient(circle at 30% 22%, rgba(255, 255, 255, 0.16), transparent 34%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.03));
    border: 1px solid rgba(255, 255, 255, 0.08);
    transform: perspective(1000px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) translateY(0);
    transition: transform 0.24s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.dock-btn:hover {
    transform: perspective(1000px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) translateY(-8px);
    border-color: color-mix(in srgb, var(--accent) 50%, white 12%);
    box-shadow:
        0 18px 28px rgba(0, 0, 0, 0.36),
        0 0 0 1px color-mix(in srgb, var(--accent) 30%, transparent),
        0 0 32px color-mix(in srgb, var(--accent) 18%, transparent);
}

.dock-btn img {
    width: 46px;
    height: 46px;
    filter: saturate(1.08);
    transition: transform 0.28s ease, filter 0.28s ease;
}

.dock-btn span {
    font-size: 0.66rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.dock-btn:hover img {
    transform: scale(1.07);
    filter: saturate(1.2) drop-shadow(0 0 18px color-mix(in srgb, var(--accent) 22%, transparent));
}

.os-tagline {
    position: absolute;
    right: 28px;
    bottom: 114px;
    z-index: 6;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.34);
}

.os-toast {
    position: absolute;
    left: 50%;
    bottom: 116px;
    transform: translateX(-50%) translateY(12px);
    min-width: min(84vw, 420px);
    max-width: min(84vw, 420px);
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(8, 13, 20, 0.92);
    box-shadow: 0 20px 52px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(20px);
    font-size: 0.88rem;
    color: rgba(239, 245, 255, 0.88);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.28s ease, transform 0.28s ease;
    z-index: 7;
}

.os-toast.active {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

@keyframes pulse-dot {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.48;
        transform: scale(0.85);
    }
}

@keyframes spin-a {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes spin-b {
    from {
        transform: rotate(360deg);
    }

    to {
        transform: rotate(0deg);
    }
}

@media (max-width: 1100px) {
    .os-stage {
        grid-template-columns: 1fr;
    }

    .hero-panel {
        min-height: 0;
    }

    .hero-title {
        max-width: 14ch;
    }

    .app-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .dock-pill {
        width: min(100%, 520px);
        justify-content: space-between;
    }
}

@media (max-width: 900px) {
    .os-stage {
        padding: 22px 20px 118px;
    }

    .hero-panel {
        padding: 24px;
    }

    .launcher-panel {
        padding: 20px;
    }

    .app-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    html,
    body {
        min-height: 100dvh;
    }

    body[data-platform='mobile'] {
        background:
            radial-gradient(circle at 20% 8%, rgba(98, 231, 255, 0.16), transparent 32%),
            radial-gradient(circle at 84% 12%, rgba(255, 107, 74, 0.14), transparent 28%),
            linear-gradient(180deg, #060910, #040509);
    }

    body[data-platform='tablet'] {
        background:
            radial-gradient(circle at 14% 10%, rgba(98, 231, 255, 0.15), transparent 30%),
            radial-gradient(circle at 84% 14%, rgba(255, 107, 74, 0.12), transparent 24%),
            linear-gradient(180deg, #070b11, #05070b);
    }

    .os-nav {
        grid-template-columns: 1fr auto;
        gap: 12px;
        padding: max(12px, env(safe-area-inset-top)) 16px 12px;
    }

    .os-status {
        justify-self: end;
        padding: 8px 10px;
        max-width: 42vw;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
    }

    .os-clock {
        display: none;
        font-size: 12px;
    }

    .os-stage {
        padding: 16px 16px calc(112px + env(safe-area-inset-bottom));
        gap: 16px;
        scroll-padding-bottom: calc(118px + env(safe-area-inset-bottom));
    }

    .hero-panel,
    .launcher-panel {
        border-radius: 24px;
    }

    .hero-panel {
        padding: 20px;
        gap: 14px;
    }

    .hero-title {
        max-width: 100%;
        font-size: 1.72rem;
        line-height: 1.08;
    }

    .hero-copy {
        font-size: 0.92rem;
        line-height: 1.55;
    }

    .hero-signal-row {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 10px;
    }

    .signal-card {
        padding: 12px;
    }

    .signal-value {
        font-size: 0.8rem;
    }

    .hero-orbit {
        position: absolute;
        right: -34px;
        bottom: -46px;
        width: 150px;
        height: 150px;
        opacity: 0.58;
    }

    .launcher-panel {
        padding: 18px;
        gap: 18px;
    }

    .launcher-head {
        align-items: flex-start;
        flex-direction: column;
    }

    .section-chip {
        align-self: flex-start;
    }

    .app-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .folder-popup {
        width: calc(100vw - 32px);
        max-height: min(78dvh, 720px);
        padding: 18px;
        border-radius: 24px;
    }

    .folder-popup-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px;
    }

    .app-icon {
        min-height: 164px;
        padding: 14px;
        border-radius: 22px;
        gap: 11px;
    }

    .icon-box {
        width: 70px;
        height: 70px;
        border-radius: 22px;
    }

    .icon-label {
        display: block;
        font-size: 0.84rem;
        line-height: 1.22;
        overflow-wrap: anywhere;
    }

    .icon-meta {
        font-size: 0.64rem;
    }

    .app-badge {
        top: 12px;
        right: 12px;
        font-size: 8px;
    }

    .dock-pill {
        width: 100%;
        justify-content: space-between;
        gap: 10px;
        padding: 12px;
        border-radius: 22px;
    }

    .dock-btn {
        flex: 1;
        width: auto;
        height: 72px;
        border-radius: 20px;
    }

    .dock-btn span {
        font-size: 0.58rem;
    }

    .os-tagline {
        left: 16px;
        right: auto;
        bottom: calc(102px + env(safe-area-inset-bottom));
        font-size: 10px;
        max-width: calc(100vw - 32px);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .os-toast {
        bottom: calc(104px + env(safe-area-inset-bottom));
        min-width: calc(100vw - 32px);
        max-width: calc(100vw - 32px);
        font-size: 0.82rem;
    }
}

@media (max-width: 480px) {
    .os-stage {
        padding: 14px 14px calc(108px + env(safe-area-inset-bottom));
    }

    .hero-panel,
    .launcher-panel {
        border-radius: 22px;
    }

    .hero-panel {
        padding: 18px;
    }

    .hero-title {
        font-size: 1.48rem;
    }

    .hero-signal-row {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 8px;
    }

    .signal-card {
        padding: 10px 8px;
        min-width: 0;
    }

    .signal-label {
        font-size: 8px;
        letter-spacing: 0.1em;
        margin-bottom: 6px;
    }

    .signal-value {
        display: block;
        font-size: 0.68rem;
        line-height: 1.2;
        overflow-wrap: anywhere;
    }

    .app-grid {
        gap: 12px;
    }

    .app-icon {
        min-height: 148px;
        padding: 12px;
    }

    .icon-box {
        width: 62px;
        height: 62px;
        border-radius: 19px;
    }

    .icon-box::before {
        inset: 8px;
        border-radius: 15px;
    }

    .icon-box::after {
        inset: 7px;
        border-radius: 14px;
    }

    .folder-tab {
        top: 8px;
        left: 11px;
        width: 28px;
        height: 12px;
    }

    .folder-preview-grid {
        gap: 5px;
    }

    .folder-preview {
        border-radius: 9px;
    }

    .app-action {
        display: none;
    }

    .dock-pill {
        padding: 10px;
        gap: 8px;
    }

    .dock-btn {
        height: 68px;
    }

    .dock-btn img {
        width: 40px;
        height: 40px;
    }

    .folder-popup {
        left: 0;
        right: 0;
        bottom: 0;
        top: auto;
        width: auto;
        max-height: min(84dvh, 760px);
        padding: 18px 16px calc(24px + env(safe-area-inset-bottom));
        border-radius: 26px 26px 0 0;
        transform: translateY(108%);
    }

    .folder-popup.active {
        transform: translateY(0);
    }

    .folder-popup-header {
        flex-direction: column;
    }

    .folder-popup-actions {
        width: 100%;
        justify-content: space-between;
    }

    .folder-popup-grid {
        gap: 12px;
    }
}

@media (max-width: 390px) {
    .os-brand {
        font-size: 11px;
        letter-spacing: 0.12em;
    }

    .os-brand-sub,
    .os-status {
        font-size: 10px;
    }

    .os-stage {
        padding-inline: 10px;
    }

    .hero-panel,
    .launcher-panel {
        border-radius: 20px;
    }

    .hero-copy {
        font-size: 0.86rem;
    }

    .launcher-panel {
        padding: 14px;
    }

    .section-caption {
        font-size: 0.84rem;
    }

    .app-grid,
    .folder-popup-grid {
        grid-template-columns: 1fr;
    }

    .app-icon,
    .popup-app {
        min-height: 88px;
        grid-template-columns: auto 1fr;
        grid-template-rows: auto;
        align-items: center;
        gap: 12px;
        padding: 12px;
    }

    .app-icon .icon-box,
    .popup-app .icon-box,
    .folder-card .icon-box {
        width: 58px;
        height: 58px;
        min-width: 58px;
        border-radius: 18px;
    }

    .app-copy {
        min-width: 0;
        padding-right: 48px;
    }

    .icon-label {
        font-size: 0.88rem;
    }

    .icon-meta {
        font-size: 0.6rem;
    }

    .dock-btn span {
        letter-spacing: 0.06em;
    }
}

@media (hover: none) {
    .app-icon,
    .app-icon:hover,
    .app-icon:active,
    .dock-btn,
    .dock-btn:hover {
        transform: none;
    }
}