/* Virtual computer key sheet (computer-vault.js) and the /auth/computer page. */
.computer-vault-sheet {
    --vault-bg: var(--bg-secondary, #141414);
    --vault-fg: var(--text, #e5e5e5);
    --vault-dim: var(--text-dim, #777);
    --vault-body: color-mix(in srgb, var(--vault-fg) 70%, transparent);
    --vault-surface: color-mix(in srgb, var(--vault-fg) 6%, transparent);
    --vault-surface-hover: color-mix(in srgb, var(--vault-fg) 10%, transparent);
    --vault-line: color-mix(in srgb, var(--vault-fg) 9%, transparent);
    --vault-accent: var(--accent, #007aff);
    --vault-ease: cubic-bezier(.32, .72, 0, 1);
    box-sizing: border-box;
    position: fixed;
    inset: auto 0 0;
    margin: 0 auto;
    width: 100%;
    max-width: 100%;
    height: auto;
    max-height: calc(100dvh - env(safe-area-inset-top, 0px) - 12px);
    overflow: hidden auto;
    overscroll-behavior: contain;
    padding: 8px 20px max(20px, env(safe-area-inset-bottom));
    border: 0;
    border-radius: 22px 22px 0 0;
    background: var(--vault-bg);
    color: var(--vault-fg);
    box-shadow: 0 -16px 48px var(--shadow-heavy, rgba(0, 0, 0, .5));
    font: inherit;
    font-size: 15px;
    line-height: 1.45;
    color-scheme: dark;
    transition: transform .28s var(--vault-ease);
    -webkit-tap-highlight-color: transparent;
}
[data-theme="light"] .computer-vault-sheet { color-scheme: light; }
dialog.computer-vault-sheet[open] { animation: vault-sheet-up .38s var(--vault-ease); }
.computer-vault-sheet:focus { outline: none; }
.computer-vault-sheet::backdrop {
    background: rgba(0, 0, 0, .5);
    background: var(--backdrop-color, rgba(0, 0, 0, .5));
    animation: vault-fade .25s ease;
}
.computer-vault-sheet *, .computer-vault-sheet *::before, .computer-vault-sheet *::after { box-sizing: border-box; }

@media (min-width: 600px) {
    .computer-vault-sheet {
        inset: 0;
        margin: auto;
        width: 420px;
        height: fit-content;
        max-height: min(760px, calc(100dvh - 48px));
        padding: 12px 24px 24px;
        border: 1px solid var(--border);
        border-radius: 22px;
        box-shadow: 0 24px 64px var(--shadow-heavy, rgba(0, 0, 0, .5));
    }
    dialog.computer-vault-sheet[open] { animation: vault-sheet-pop .26s var(--vault-ease); }
    .vault-grabber { display: none; }
}

@keyframes vault-sheet-up { from { transform: translateY(100%); } }
@keyframes vault-sheet-pop { from { opacity: 0; transform: translateY(8px) scale(.97); } }
@keyframes vault-fade { from { opacity: 0; } }
@keyframes vault-pop { from { opacity: 0; transform: scale(.6); } }
@keyframes vault-spin { to { transform: rotate(360deg); } }

/* Generic text (also used by computer-connect.html). */
.computer-vault-sheet h2 {
    margin: 0;
    font-size: 21px;
    line-height: 1.25;
    font-weight: 650;
    letter-spacing: -.01em;
    text-wrap: balance;
}
.computer-vault-sheet p {
    margin: 10px 0;
    font-size: 15px;
    line-height: 1.45;
    color: var(--vault-body);
    text-wrap: pretty;
}

/* Header */
.vault-grabber {
    width: 36px;
    height: 5px;
    margin: 0 auto 2px;
    border-radius: 3px;
    background: color-mix(in srgb, var(--vault-fg) 22%, transparent);
}
.vault-topbar {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    margin: 0 -8px 4px;
}
.vault-topbar-spacer { flex: 0 0 36px; }
/* Hero screens have no title: the controls float so the illustration sits right under the grabber. */
.vault-topbar.vault-topbar-float {
    position: absolute;
    top: 12px;
    left: 12px;
    right: 12px;
    z-index: 1;
    margin: 0;
    justify-content: space-between;
    pointer-events: none;
}
.vault-topbar-float > * { pointer-events: auto; }
.vault-topbar-float .vault-topbar-title { display: none; }
.vault-topbar-float + .vault-hero { padding-top: 16px; }
.vault-topbar-float + .vault-terminal { margin-top: 18px; }
.vault-topbar-title {
    flex: 1;
    min-width: 0;
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.vault-icon-button {
    flex: 0 0 36px;
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: var(--vault-surface);
    color: var(--vault-dim);
    cursor: pointer;
    transition: background .15s, color .15s;
}
.vault-icon-button:hover { background: var(--vault-surface-hover); color: var(--vault-fg); }
.vault-icon-button svg { width: 18px; height: 18px; }

/* Hero / status block */
.vault-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 4px 8px 0;
}
.vault-hero h2 { margin-top: 14px; }
.vault-terminal + .vault-hero h2 { margin-top: 22px; }
.computer-vault-sheet .vault-body { margin: 8px 0 0; max-width: 340px; }
.computer-vault-sheet .vault-lead { margin: 0 0 14px; text-align: center; }
.computer-vault-sheet .vault-caption {
    margin: 10px 0 0;
    font-size: 13px;
    color: var(--vault-dim);
    text-align: center;
}
.computer-vault-sheet .vault-warning { color: var(--orange, #f59e0b); }
.vault-hero-icon {
    display: grid;
    place-items: center;
    width: 60px;
    height: 60px;
    border-radius: 18px;
    margin-top: 6px;
}
.vault-hero-icon svg { width: 28px; height: 28px; }
.vault-status { padding-top: 0; }
.vault-status .vault-hero-icon { width: 48px; height: 48px; border-radius: 14px; margin-top: 2px; }
.vault-status .vault-hero-icon svg { width: 24px; height: 24px; }
.vault-status h2 { margin-top: 12px; font-size: 18px; }
.computer-vault-sheet .vault-status .vault-body { margin-top: 6px; font-size: 14px; }
.vault-status + .vault-actions { margin-top: 18px; }
.vault-tone-accent { color: var(--vault-accent); background: color-mix(in srgb, var(--vault-accent) 14%, transparent); }
.vault-tone-green { color: var(--green, #22c55e); background: color-mix(in srgb, var(--green, #22c55e) 14%, transparent); }
.vault-tone-orange { color: var(--orange, #f59e0b); background: color-mix(in srgb, var(--orange, #f59e0b) 15%, transparent); }
.vault-tone-red { color: var(--red, #ef4444); background: color-mix(in srgb, var(--red, #ef4444) 13%, transparent); }

/* Buttons */
.vault-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 24px;
}
.computer-vault-sheet .vault-actions .vault-caption { margin-top: 0; }
.vault-button {
    appearance: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    min-height: 50px;
    margin: 0;
    padding: 12px 18px;
    border: 0;
    border-radius: 14px;
    background: var(--vault-surface);
    color: var(--vault-fg);
    font: inherit;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.25;
    text-align: center;
    cursor: pointer;
    transition: background .15s, opacity .15s, transform .1s;
}
.vault-button:hover { background: var(--vault-surface-hover); }
.vault-button:active { transform: scale(.985); }
.vault-button:disabled { opacity: .5; cursor: default; transform: none; }
.vault-button.vault-primary { background: var(--vault-accent); color: #fff; }
.vault-button.vault-primary:hover { background: color-mix(in srgb, var(--vault-accent) 88%, #fff); }
.vault-button.vault-danger { background: var(--red, #ef4444); color: #fff; }
.vault-button.vault-danger:hover { background: color-mix(in srgb, var(--red, #ef4444) 88%, #fff); }
.vault-button.vault-chip {
    flex: none;
    width: auto;
    min-height: 32px;
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--vault-accent);
    color: #fff;
    font-size: 14px;
}
.vault-button:focus-visible, .vault-icon-button:focus-visible, .vault-row:focus-visible {
    outline: 2px solid var(--vault-accent);
    outline-offset: 2px;
}

/* Grouped list */
.vault-section { margin-top: 24px; }
.vault-section + .vault-section { margin-top: 20px; }
.computer-vault-sheet .vault-section-title {
    margin: 0 4px 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--vault-dim);
}
.vault-group {
    border-radius: 14px;
    background: var(--vault-surface);
    overflow: hidden;
}
.vault-section-attention .vault-group { background: color-mix(in srgb, var(--vault-accent) 11%, transparent); }
.vault-row {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    min-height: 56px;
    margin: 0;
    padding: 10px 14px;
    border: 0;
    background: none;
    color: inherit;
    font: inherit;
    text-align: left;
}
.vault-row + .vault-row::before {
    content: '';
    position: absolute;
    top: 0;
    left: 58px;
    right: 0;
    height: 1px;
    background: var(--vault-line);
}
button.vault-row { cursor: pointer; transition: background .15s; }
button.vault-row:hover { background: var(--hover-overlay); }
button.vault-row:active { background: var(--hover-overlay-strong); }
button.vault-row:disabled { cursor: default; opacity: .6; }
.vault-row-icon {
    flex: 0 0 32px;
    display: grid;
    place-items: center;
    width: 32px;
    height: 32px;
    border-radius: 9px;
    background: color-mix(in srgb, var(--vault-fg) 8%, transparent);
    color: var(--vault-fg);
}
.vault-row-icon svg { width: 17px; height: 17px; }
.vault-row-text { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.vault-row-title {
    font-size: 15px;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.vault-row-sub { margin-top: 2px; font-size: 13px; line-height: 1.3; color: var(--vault-dim); }
.vault-row-trail { flex: none; display: grid; color: var(--vault-dim); opacity: .6; }
.vault-row-trail svg { width: 16px; height: 16px; }
.vault-row-check { flex: none; display: grid; color: var(--vault-accent); }
.vault-row-check svg { width: 20px; height: 20px; }
.vault-row-quiet .vault-row-icon { background: none; color: var(--vault-dim); }
.vault-row-quiet .vault-row-title { color: var(--vault-body); }

/* Inputs and codes */
.vault-input {
    display: block;
    width: 100%;
    min-height: 50px;
    margin: 0;
    padding: 12px 14px;
    border: 1px solid var(--vault-line);
    border-radius: 14px;
    background: var(--vault-surface);
    color: inherit;
    font: inherit;
    font-size: 16px;
    outline: none;
    transition: border-color .15s;
}
.vault-input:focus { border-color: var(--vault-accent); }
.vault-input::placeholder { color: var(--vault-dim); }
.vault-code {
    display: block;
    padding: 14px 16px;
    border-radius: 14px;
    background: var(--vault-surface);
    font: 13px/1.55 ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, 'Liberation Mono', monospace;
    overflow-wrap: anywhere;
    user-select: all;
    -webkit-user-select: all;
}
.computer-vault-sheet .vault-error { margin: 12px 0 0; font-size: 13px; text-align: center; color: var(--red, #ef4444); }
.computer-vault-sheet .vault-error:empty { display: none; }

/* Loading */
.vault-loading {
    width: 28px;
    height: 28px;
    margin: 48px auto 56px;
    border: 3px solid var(--vault-line);
    border-top-color: var(--vault-accent);
    border-radius: 50%;
    animation: vault-spin .8s linear infinite;
}

/* Terminal illustration: always dark, independent of the app theme. */
.vault-terminal {
    width: 248px;
    max-width: 100%;
    height: 112px;
    margin: 8px auto 0;
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 15px;
    background: linear-gradient(180deg, #17171b, #0d0d10);
    box-shadow: 0 12px 32px rgba(0, 0, 0, .28), inset 0 1px rgba(255, 255, 255, .05);
    color: #e7e7ea;
    font: 12px/18px ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, 'Liberation Mono', monospace;
    text-align: left;
    overflow: hidden;
    color-scheme: dark;
    user-select: none;
    -webkit-user-select: none;
}
.vault-terminal-bar { display: flex; gap: 6px; padding: 11px 12px 0; }
.vault-terminal-bar i { width: 9px; height: 9px; border-radius: 50%; background: #ff5f57; }
.vault-terminal-bar i:nth-child(2) { background: #febc2e; }
.vault-terminal-bar i:nth-child(3) { background: #28c840; }
.vault-terminal-body { padding: 14px 14px 0; }
.vault-terminal-line { height: 18px; white-space: pre; overflow: hidden; text-overflow: ellipsis; }
.vault-terminal-prompt { color: #8b8b96; }
.vault-terminal-prompt.is-shell { color: #4ade80; }
.vault-terminal-spin { color: #5aa9ff; }
.vault-terminal-cursor {
    display: inline-block;
    width: 7px;
    height: 14px;
    margin-left: 3px;
    vertical-align: -2px;
    background: #e7e7ea;
}
.vault-terminal-cursor.is-off { opacity: 0; }

/* Success flash */
.vault-done {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    background: color-mix(in srgb, var(--vault-bg) 92%, transparent);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    font-size: 17px;
    font-weight: 600;
    animation: vault-fade .18s ease both;
}
.vault-done-check {
    display: grid;
    place-items: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--green, #22c55e);
    color: #fff;
    animation: vault-pop .36s var(--vault-ease) both;
}
.vault-done-check svg { width: 32px; height: 32px; stroke-width: 2.6; }

@media (prefers-reduced-motion: reduce) {
    dialog.computer-vault-sheet[open], .computer-vault-sheet::backdrop, .vault-done, .vault-done-check { animation: none; }
    .computer-vault-sheet, .vault-button, .vault-row, .vault-icon-button { transition: none; }
    .vault-loading { animation-duration: 2.4s; }
}

/* /auth/computer landing page (computer-connect.html) */
.computer-connect-body { display: grid; place-items: center; min-height: 100dvh; height: auto; overflow: auto; padding: max(24px, env(safe-area-inset-top)) max(24px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(24px, env(safe-area-inset-left)); }
.computer-connect-page { position: static; width: min(100%, 480px); max-height: none; padding: 24px; border: 1px solid var(--border); border-radius: 22px; box-shadow: none; }
.computer-connect-page h2 { margin-bottom: 4px; }
.computer-connect-page .vault-button { margin: 16px 0 8px; }
.computer-connect-page a.vault-button { text-decoration: none; color: var(--vault-accent); }
.computer-connect-page .vault-error { text-align: left; }
.computer-connect-page [hidden] { display: none !important; }