/*
 * Shared UI components: buttons, inputs, chips, badges, toasts, toggles.
 * Requires 01-vars.css.
 */

/* ── Buttons ─────────────────────────────────────────────────────────────── */

.wc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    min-height: 36px;
    padding: .48rem .9rem;
    border-radius: var(--app-radius-sm);
    cursor: pointer;
    font: inherit;
    font-size: .84rem;
    font-weight: 600;
    border: 1px solid transparent;
    transition: background .15s, border-color .15s, box-shadow .15s, color .15s;
    text-decoration: none;
    white-space: nowrap;
}

.wc-btn:focus-visible {
    outline: 2px solid var(--app-accent-strong);
    outline-offset: 3px;
}

.wc-btn-primary {
    color: #fff;
    background: var(--app-accent);
    border-color: var(--app-accent-bdr);
    box-shadow: var(--app-inset), 0 2px 12px rgba(46, 127, 255, .20);
}

.wc-btn-primary:hover {
    background: var(--brand-blue-deep);
    box-shadow: var(--app-inset), 0 4px 20px rgba(46, 127, 255, .30);
}

.wc-btn-ghost {
    color: var(--app-soft);
    background: transparent;
    border-color: var(--app-border);
}

.wc-btn-ghost:hover {
    color: var(--app-text);
    background: var(--app-surface-soft);
    border-color: var(--app-accent-bdr);
}

.wc-btn-danger {
    color: var(--app-err);
    background: var(--app-err-dim);
    border-color: var(--app-err-bdr);
}

.wc-btn-danger:hover {
    background: rgba(248, 113, 113, .16);
}

.wc-btn-sm {
    min-height: 30px;
    padding: .3rem .65rem;
    font-size: .78rem;
}

/* Icon-only square button */
.wc-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
    color: var(--app-soft);
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-sm);
    box-shadow: var(--app-inset);
    cursor: pointer;
    transition: background .15s, border-color .15s, color .15s, transform .1s;
}

.wc-icon-btn:hover {
    color: var(--app-text);
    background: var(--app-surface-hi);
    border-color: var(--app-accent-bdr);
}

.wc-icon-btn:active {
    transform: scale(.91);
}

.wc-icon-btn:focus-visible {
    outline: 2px solid var(--app-accent-strong);
    outline-offset: 3px;
}

.wc-icon-btn svg {
    width: 15px;
    height: 15px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.wc-icon-btn.spinning svg {
    animation: spin .6s linear infinite;
}

/* Generic loading state for a single-shot form submit button (e.g. DAV
   "Sync now") -- disables further clicks and shows a small spinner until
   the page navigates away with the result. */
.wc-btn.is-loading {
    pointer-events: none;
    opacity: .72;
}

.wc-btn.is-loading::after {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    margin-left: .5rem;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin .6s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
    .wc-icon-btn.spinning svg,
    .wc-btn.is-loading::after {
        animation-duration: 1.2s;
    }
}

/* ── Form fields ──────────────────────────────────────────────────────────── */

.wc-field {
    display: flex;
    flex-direction: column;
    gap: .3rem;
}

.wc-label {
    display: block;
    color: var(--app-muted);
    font-family: var(--font-mono, monospace);
    font-size: .6rem;
    font-weight: 700;
    letter-spacing: .09em;
    text-transform: uppercase;
}

.wc-input,
.wc-select {
    width: 100%;
    min-height: 38px;
    padding: .5rem .75rem;
    color: var(--app-text);
    background: var(--app-surface-soft);
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-sm);
    font: inherit;
    font-size: .9rem;
    outline: none;
    transition: border-color .14s, box-shadow .14s;
}

.wc-input:focus,
.wc-select:focus {
    border-color: var(--app-accent-bdr);
    box-shadow: 0 0 0 3px rgba(46, 127, 255, .12);
}

.wc-select option {
    background: #111827;
}

.wc-input-center {
    letter-spacing: .18em;
    text-align: center;
    font-size: 1.1rem;
}

/* ── Messages / alerts ────────────────────────────────────────────────────── */

.wc-alert {
    padding: .72rem .88rem;
    border-radius: var(--app-radius-sm);
    font-size: .84rem;
    line-height: 1.45;
    border: 1px solid;
}

.wc-alert-error {
    color: var(--app-err);
    background: var(--app-err-dim);
    border-color: var(--app-err-bdr);
}

.wc-alert-ok {
    color: var(--app-ok);
    background: var(--app-ok-dim);
    border-color: var(--app-ok-bdr);
}

.wc-alert-warn {
    color: var(--app-warn);
    background: var(--app-warn-dim);
    border-color: var(--app-warn-bdr);
}

.wc-alert-page {
    margin-bottom: 1.25rem;
}

/* ── Chips & badges ───────────────────────────────────────────────────────── */

.wc-chip {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    padding: .22rem .6rem;
    border-radius: 999px;
    font-family: var(--font-mono, monospace);
    font-size: .6rem;
    font-weight: 700;
    letter-spacing: .07em;
    text-transform: uppercase;
    box-shadow: var(--app-inset);
}

.wc-chip-accent {
    color: var(--app-accent-strong);
    background: var(--app-accent-dim);
    border: 1px solid var(--app-accent-bdr);
}

.wc-chip-ok {
    color: var(--app-ok);
    background: var(--app-ok-dim);
    border: 1px solid var(--app-ok-bdr);
}

.wc-chip-err {
    color: var(--app-err);
    background: var(--app-err-dim);
    border: 1px solid var(--app-err-bdr);
}

.wc-chip-warn {
    color: var(--app-warn);
    background: var(--app-warn-dim);
    border: 1px solid var(--app-warn-bdr);
}

.wc-chip-slate {
    color: var(--app-muted);
    background: var(--app-slate-dim);
    border: 1px solid var(--app-slate-bdr);
}

/* ── Toggle switch ────────────────────────────────────────────────────────── */

.wc-toggle {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
    cursor: pointer;
}

.wc-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.wc-toggle-track {
    position: absolute;
    inset: 0;
    border-radius: 12px;
    background: var(--app-surface-soft);
    border: 1px solid var(--app-border);
    transition: background .2s, border-color .2s;
}

.wc-toggle-track::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--app-muted);
    transition: transform .2s, background .2s;
}

.wc-toggle input:checked + .wc-toggle-track {
    background: var(--app-accent-dim);
    border-color: var(--app-accent-bdr);
}

.wc-toggle input:checked + .wc-toggle-track::after {
    transform: translateX(20px);
    background: var(--app-accent);
}

.wc-toggle input:focus-visible + .wc-toggle-track {
    outline: 2px solid var(--app-accent-strong);
    outline-offset: 2px;
}

.wc-toggle-row {
    display: flex;
    align-items: center;
    gap: .6rem;
}

.wc-toggle-row-label {
    font-size: .85rem;
    color: var(--app-soft);
}

/* ── Inline row forms (compact table-row mini-forms) ─────────────────────── */

.wc-row-form {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
    align-items: center;
}

.wc-row-form .wc-select {
    width: auto;
}

.wc-row-form .wc-input {
    flex: 1 1 140px;
    min-width: 0;
}

.wc-inline-check {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    font-size: .78rem;
    color: var(--app-soft);
}

/* ── Live dot ─────────────────────────────────────────────────────────────── */

.wc-live-dot {
    flex: 0 0 auto;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--app-ok);
    box-shadow: 0 0 0 0 rgba(34, 197, 94, .4);
    animation: wc-live-pulse 2.8s ease-in-out infinite;
}

.wc-live-dot.stale {
    background: var(--app-muted);
    box-shadow: none;
    animation: none;
}

.wc-live-dot.warn {
    background: var(--app-warn);
    box-shadow: 0 0 0 0 rgba(251, 191, 36, .4);
    animation: wc-live-pulse-warn 1s ease-in-out infinite;
}

@keyframes wc-live-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, .5); }
    50%       { box-shadow: 0 0 0 5px rgba(34, 197, 94, 0); }
}

@keyframes wc-live-pulse-warn {
    0%, 100% { box-shadow: 0 0 0 0 rgba(251, 191, 36, .5); }
    50%       { box-shadow: 0 0 0 5px rgba(251, 191, 36, 0); }
}

@media (prefers-reduced-motion: reduce) {
    .wc-live-dot,
    .wc-live-dot.warn {
        animation: none;
    }
}

/* ── Tab bar ──────────────────────────────────────────────────────────────── */

.wc-tab-bar {
    display: inline-flex;
    gap: .3rem;
    padding: .25rem;
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-sm);
    box-shadow: var(--app-inset);
}

.wc-tab-btn {
    min-height: 30px;
    padding: .36rem .75rem;
    color: var(--app-soft);
    background: transparent;
    border: 0;
    border-radius: var(--app-radius-xs);
    cursor: pointer;
    font-family: var(--font-mono, monospace);
    font-size: .6rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    transition: background .15s, color .15s;
}

.wc-tab-btn.active,
.wc-tab-btn:hover {
    color: var(--app-text);
    background: var(--app-accent-dim);
}

.wc-tab-panel[hidden] {
    display: none;
}

/* ── Secret/recovery-code box ──────────────────────────────────────────────
 * Shared by 06-auth.css's `.secret-box` (TOTP setup/recovery pages, pre-mail-
 * shell) and 04-shell.css's `.wc-secret-box` (settings page, inside the mail
 * shell) -- these used to duplicate this block under two different class
 * names (see CLAUDE.md §6). Only the genuinely page-specific bits
 * (border-radius, margin-bottom) stay in each page's own stylesheet.
 */

.secret-box,
.wc-secret-box {
    padding: .7rem .85rem;
    color: var(--app-text);
    background: var(--app-surface-soft);
    border: 1px solid var(--app-border);
    font-family: var(--font-mono, monospace);
    font-size: .82rem;
    overflow-wrap: anywhere;
    line-height: 1.6;
}

.secret-box.recovery-codes,
.wc-secret-box.recovery-codes {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .4rem .85rem;
}