/* Copyright (c) 2026 Cosmorphic. All rights reserved. */
:root {
    color-scheme: dark;
    --bg: #050608;
    --bg-soft: #08090c;
    --panel: #0c0e12;
    --panel-2: #12151b;
    --inset: #07080b;
    --line: rgba(232, 236, 244, 0.12);
    --line-strong: rgba(232, 236, 244, 0.22);
    --text: #f2f0ea;
    --muted: #a6a8af;
    --faint: #6f737b;
    --accent: #a7b8d6;
    --accent-soft: rgba(167, 184, 214, 0.1);
    --accent-strong: #c9d5ea;
    --cool: #7aa7ff;
    --danger: #f08a8a;
    --danger-line: rgba(240, 107, 107, 0.36);
    --danger-soft: rgba(240, 107, 107, 0.08);
    --btn-bg: #f2f0ea;
    --btn-fg: #050608;
    --code: #d9e4ff;
    --star: 255, 255, 255;
    --radius: 10px;
    --ease: cubic-bezier(0.2, 0.7, 0.1, 1);
    --font: "Barlow", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "Noto Sans TC", "PingFang TC", system-ui, sans-serif;
    --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

html[data-theme="light"] {
    color-scheme: light;
    --bg: #f4f2ed;
    --bg-soft: #eeebe4;
    --panel: #fbfaf7;
    --panel-2: #ffffff;
    --inset: #f7f5f0;
    --line: rgba(18, 19, 24, 0.12);
    --line-strong: rgba(18, 19, 24, 0.24);
    --text: #101114;
    --muted: #4b4d55;
    --faint: #7b7d85;
    --accent: #44597d;
    --accent-soft: rgba(68, 89, 125, 0.07);
    --accent-strong: #2f3f5c;
    --cool: #2450c4;
    --danger: #b33a3a;
    --danger-line: rgba(179, 58, 58, 0.32);
    --danger-soft: rgba(179, 58, 58, 0.06);
    --btn-bg: #101114;
    --btn-fg: #f7f5f0;
    --code: #1f2a44;
    --star: 16, 17, 20;
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
    position: relative;
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    background: transparent;
    font-family: var(--font);
    -webkit-font-smoothing: antialiased;
    transition: color 0.5s var(--ease);
}

.sky {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    z-index: -1;
    height: 1400px;
    overflow: hidden;
    pointer-events: none;
}

.sky::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 360px;
    width: max(2200px, 180vw);
    aspect-ratio: 1;
    border-radius: 50%;
    transform: translateX(-30%);
    background: radial-gradient(closest-side, var(--bg) 95%, rgba(60, 110, 230, 0.12) 100%);
    box-shadow:
        0 0 0 1px rgba(170, 205, 255, 0.18),
        0 -2px 14px 0 rgba(120, 170, 255, 0.2),
        0 -30px 120px 10px rgba(60, 120, 255, 0.1);
    pointer-events: none;
}

html[data-theme="light"] .sky::before {
    background:
        repeating-radial-gradient(circle at 50% 50%, transparent 0 21px, rgba(18, 19, 24, 0.045) 21px 22px),
        var(--bg-soft);
    box-shadow: 0 0 0 1px rgba(18, 19, 24, 0.3), 0 -30px 120px -20px rgba(68, 89, 125, 0.1);
}

.sky::after {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 560px;
    background-image:
        radial-gradient(1px 1px at 12% 18%, rgba(var(--star), 0.6), transparent 60%),
        radial-gradient(1px 1px at 28% 62%, rgba(var(--star), 0.4), transparent 60%),
        radial-gradient(1.4px 1.4px at 44% 12%, rgba(var(--star), 0.7), transparent 60%),
        radial-gradient(1px 1px at 58% 44%, rgba(var(--star), 0.35), transparent 60%),
        radial-gradient(1px 1px at 72% 22%, rgba(var(--star), 0.55), transparent 60%),
        radial-gradient(1.2px 1.2px at 86% 70%, rgba(var(--star), 0.45), transparent 60%),
        radial-gradient(1px 1px at 94% 8%, rgba(var(--star), 0.6), transparent 60%);
    background-size: 380px 380px;
    -webkit-mask-image: linear-gradient(180deg, #000 30%, transparent);
    mask-image: linear-gradient(180deg, #000 30%, transparent);
    pointer-events: none;
}

button, input, select { font: inherit; }
a { color: inherit; }
[hidden] { display: none !important; }

::selection {
    color: var(--text);
    background: var(--accent-soft);
}

:focus-visible {
    outline: 2px solid var(--cool);
    outline-offset: 3px;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    height: 64px;
    padding: 0 max(22px, calc((100vw - 1160px) / 2));
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--line);
    background: color-mix(in srgb, var(--bg) 80%, transparent);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
    text-decoration: none;
    font-size: 0.84rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.brand-icon {
    width: 28px;
    height: 28px;
    border: 0;
    border-radius: 7px;
    object-fit: cover;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.platform {
    color: var(--faint);
    font: 500 11px/1 var(--mono);
    letter-spacing: .14em;
    text-transform: uppercase;
}

.language-control select {
    width: auto;
    min-width: 118px;
    min-height: 36px;
    padding: 0 32px 0 11px;
}

.s2-theme-toggle {
    position: relative;
    display: inline-grid;
    place-items: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 4px;
    color: var(--muted);
    background: transparent;
    cursor: pointer;
    transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.s2-theme-toggle:hover {
    color: var(--text);
    border-color: var(--line-strong);
}

.s2-theme-toggle svg {
    grid-area: 1 / 1;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s var(--ease);
}

.s2-icon-sun {
    opacity: 0;
    transform: rotate(-90deg) scale(0.6);
}

html[data-theme="light"] .s2-icon-sun {
    opacity: 1;
    transform: none;
}

html[data-theme="light"] .s2-icon-moon {
    opacity: 0;
    transform: rotate(90deg) scale(0.6);
}

html.s2-theme-switching *,
html.s2-theme-switching *::before,
html.s2-theme-switching *::after {
    transition: none !important;
}

::view-transition-old(root),
::view-transition-new(root) {
    animation: none;
    mix-blend-mode: normal;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

main {
    width: min(1160px, calc(100% - 36px));
    margin: 0 auto;
    padding: 88px 0 96px;
}

.hero {
    margin-bottom: 48px;
    animation: rise 1.1s var(--ease) both;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 14px;
    color: var(--faint);
    font: 500 11px/1.4 var(--mono);
    letter-spacing: .16em;
}

.eyebrow::before {
    content: "";
    width: 18px;
    height: 1px;
    background: var(--accent);
}

h1, h2, p { margin-top: 0; }
h1 {
    max-width: 780px;
    margin-bottom: 20px;
    font-size: clamp(2.4rem, 6vw, 4.8rem);
    font-weight: 300;
    line-height: 1.02;
    letter-spacing: -.04em;
}
h2 {
    margin-bottom: 10px;
    font-size: 1.4rem;
    font-weight: 500;
    letter-spacing: -.015em;
}
.lead {
    max-width: 720px;
    margin-bottom: 0;
    color: var(--muted);
    font-size: 1.08rem;
    line-height: 1.7;
}

.notice {
    margin-bottom: 18px;
    padding: 13px 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel);
    color: var(--text);
    font-size: .9rem;
}
.notice.error {
    border-color: var(--danger-line);
    background: var(--danger-soft);
    color: var(--danger);
}

.status-grid {
    margin-bottom: 18px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}
.status-card, .panel {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel);
    animation: rise 1s var(--ease) both;
}
.status-card {
    padding: 22px;
    display: grid;
    gap: 8px;
}
.status-card span, .status-card small, .help, .entitlement-note {
    color: var(--muted);
    font-size: .86rem;
    line-height: 1.55;
}
.status-card strong { font-size: 1.15rem; font-weight: 500; }
.panel {
    margin-bottom: 18px;
    padding: clamp(22px, 4vw, 36px);
}
.panel.locked { max-width: 680px; }
.panel.locked p { color: var(--muted); line-height: 1.65; }

.section-heading, .command-heading, .actions-panel {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: flex-start;
}
.section-heading { margin-bottom: 16px; }

pre {
    margin: 14px 0 18px;
    padding: 16px;
    overflow: auto;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--inset);
    color: var(--code);
    user-select: text;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}
code { font: 12px/1.6 var(--mono); }

.button {
    min-height: 44px;
    padding: 0 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: .9rem;
    font-weight: 500;
    transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease), color 0.3s var(--ease);
}
.button:disabled { cursor: not-allowed; opacity: .45; }
.button.primary { border-color: var(--btn-bg); background: var(--btn-bg); color: var(--btn-fg); }
.button.primary:not(:disabled):hover { opacity: .86; }
.button.secondary { border-color: var(--line-strong); background: transparent; color: var(--text); }
.button.secondary:not(:disabled):hover { border-color: var(--text); }
.button.danger { border-color: var(--danger-line); background: var(--danger-soft); color: var(--danger); }

.inline-form {
    display: grid;
    grid-template-columns: auto minmax(180px, 1fr) auto;
    gap: 12px;
    align-items: center;
}
.inline-form label { color: var(--muted); font-size: .86rem; }

.form-grid {
    margin-top: 18px;
    display: grid;
    gap: 14px;
}
.form-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-grid.four { grid-template-columns: 1.2fr repeat(3, minmax(0, .7fr)); }
label {
    display: grid;
    gap: 8px;
    color: var(--muted);
    font-size: .84rem;
}
input, select {
    width: 100%;
    min-height: 44px;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: 4px;
    outline: none;
    background: var(--inset);
    color: var(--text);
    transition: border-color 0.25s var(--ease);
}
input:focus, select:focus { border-color: var(--accent); }
input:disabled, select:disabled { color: var(--faint); background: var(--bg-soft); }
input[type="range"] { accent-color: var(--accent); }

.mode-tabs {
    margin: 20px 0;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}
.mode-tabs button, .variant-row button {
    min-height: 44px;
    border: 1px solid var(--line);
    border-radius: 4px;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    transition: border-color 0.25s var(--ease), color 0.25s var(--ease), background-color 0.25s var(--ease);
}
.mode-tabs button:hover, .variant-row button:hover {
    border-color: var(--line-strong);
    color: var(--text);
}
.mode-tabs button.active, .variant-row button.active {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--text);
}
.mode-panel { padding-top: 4px; }
.mode-panel > label { max-width: 380px; }
.reset-panel {
    padding: 18px;
    border: 1px solid var(--danger-line);
    border-radius: 8px;
    background: var(--danger-soft);
}
.reset-panel .help { margin-bottom: 0; }
.variant-row {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px;
}
.variant-groups {
    margin-top: 18px;
    display: grid;
    gap: 12px;
}
.variant-group {
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--bg-soft);
}
.variant-group-heading {
    margin-bottom: 12px;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 14px;
}
.variant-group-heading strong { font-size: .92rem; font-weight: 500; }
.variant-group-heading span {
    color: var(--muted);
    font-size: .8rem;
    line-height: 1.45;
    text-align: right;
}
.range-label {
    margin: 18px 0;
    grid-template-columns: 170px 48px minmax(180px, 1fr);
    align-items: center;
}
.range-label input { min-height: auto; padding: 0; }
.range-label output {
    color: var(--accent);
    font-family: var(--mono);
}

.actions-panel { align-items: flex-start; flex-wrap: wrap; }
.actions-panel > div:first-child { max-width: 620px; }
.action-buttons { display: flex; flex-wrap: wrap; gap: 10px; }
#generated-command-wrap { width: 100%; padding-top: 18px; border-top: 1px solid var(--line); }
.command-heading { align-items: center; }

@keyframes rise {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: none; }
}

@media (max-width: 820px) {
    main { padding-top: 56px; }
    .status-grid, .form-grid.three, .form-grid.four { grid-template-columns: 1fr; }
    .mode-tabs { grid-template-columns: repeat(2, 1fr); }
    .section-heading, .actions-panel { display: grid; }
    .inline-form { grid-template-columns: 1fr; }
    .range-label { grid-template-columns: 1fr auto; }
    .range-label input { grid-column: 1 / -1; }
}

@media (max-width: 520px) {
    .platform { display: none; }
    main { width: min(100% - 24px, 1160px); }
    .panel { padding: 20px; }
    .variant-group-heading { display: grid; gap: 5px; }
    .variant-group-heading span { text-align: left; }
    .action-buttons { display: grid; width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        transition-duration: 0.001ms !important;
    }
}