/* =========================================================
   M-WALLET  ·  ZEVARYN GRID
   BP3 — Authentication gateway (#mw-auth-gate)

   A full-screen account experience shown only when a Supabase
   project is configured and the user is signed out / verifying
   / recovering. Reuses the global .z-btn / .z-input / .z-field
   primitives; this sheet only adds the overlay, card, brand,
   messaging and view layout.
   ========================================================= */

.mw-auth-gate {
    position: fixed;
    inset: 0;
    z-index: 900;

    display: flex;
    align-items: flex-start;
    justify-content: center;

    padding: clamp(16px, 6vh, 64px) 18px calc(24px + env(safe-area-inset-bottom, 0px));

    overflow-y: auto;
    -webkit-overflow-scrolling: touch;

    color: var(--z-text);

    background:
        radial-gradient(circle at 82% -10%, rgba(155, 92, 255, 0.16), transparent 46%),
        radial-gradient(circle at 0% 8%, rgba(53, 223, 193, 0.08), transparent 42%),
        linear-gradient(var(--z-grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--z-grid-line) 1px, transparent 1px),
        var(--z-bg);
    background-size: 100% 100%, 100% 100%, 28px 28px, 28px 28px, 100% 100%;

    animation: mw-auth-fade 160ms ease-out;
}

@keyframes mw-auth-fade {
    from { opacity: 0; }
    to   { opacity: 1; }
}

body.mw-auth-locked {
    overflow: hidden;
}


/* ---- card ------------------------------------------------ */

.mw-auth-card {
    width: 100%;
    max-width: 400px;
    margin: auto 0;

    padding: 30px 26px 26px;

    border: 1px solid var(--z-border);
    border-radius: var(--z-radius-lg);

    background: var(--z-panel);
    box-shadow: var(--z-shadow-lg);
}

.mw-auth-logo {
    display: block;
    width: 52px;
    height: 52px;
    margin: 0 auto 12px;
    border-radius: 14px;
}

.mw-auth-brand {
    margin-bottom: 22px;
    text-align: center;

    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--z-text-secondary);
}

.mw-auth-brand .z-badge {
    vertical-align: middle;
}


/* ---- views ---------------------------------------------- */

.mw-auth-gate [data-auth-view][hidden] {
    display: none;
}

.mw-auth-title {
    margin: 0 0 6px;
    font-size: 1.32rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--z-text);
}

.mw-auth-title:focus {
    outline: none;
}

.mw-auth-sub {
    margin: 0 0 20px;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--z-text-secondary);
}

.mw-auth-reqs {
    margin: 7px 0 0;
    font-size: 0.78rem;
    color: var(--z-text-muted);
}


/* ---- buttons / links ----------------------------------- */

.mw-auth-block {
    display: flex;
    width: 100%;
    margin-top: 10px;
}

.mw-auth-card form .mw-auth-block {
    margin-top: 4px;
}

.mw-auth-switch {
    margin: 18px 0 0;
    text-align: center;
    font-size: 0.85rem;
    color: var(--z-text-secondary);
}

.mw-auth-link {
    padding: 6px 4px;

    border: 0;
    background: none;

    font: inherit;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--z-violet-bright);

    cursor: pointer;
}

.mw-auth-link:hover {
    color: var(--z-text);
}

.mw-auth-link:focus-visible {
    outline: 3px solid rgba(155, 92, 255, 0.55);
    outline-offset: 2px;
    border-radius: 6px;
}

.mw-auth-actions-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 14px;
    gap: 12px;
}


/* ---- messages (aria-live) ------------------------------ */

.mw-auth-msg {
    margin: 0 0 16px;
    padding: 11px 13px;

    border: 1px solid var(--z-border);
    border-radius: var(--z-radius-sm);

    font-size: 0.84rem;
    line-height: 1.45;
    color: var(--z-text-secondary);

    background: var(--z-bg-secondary);
}

.mw-auth-msg[hidden] {
    display: none;
}

.mw-auth-msg.is-error {
    border-color: rgba(255, 101, 119, 0.4);
    background: rgba(255, 101, 119, 0.12);
    color: var(--z-danger-bright);
}

.mw-auth-msg.is-success {
    border-color: rgba(53, 223, 193, 0.4);
    background: var(--z-teal-soft);
    color: var(--z-teal-bright);
}


/* ---- inputs (adds to .z-input) ------------------------- */

.mw-auth-card .z-input[aria-invalid="true"] {
    border-color: var(--z-danger);
    box-shadow: 0 0 0 3px rgba(255, 101, 119, 0.14);
}

.mw-auth-card .is-busy {
    opacity: 0.7;
    pointer-events: none;
}


/* ---- loading spinner ---------------------------------- */

.mw-auth-spinner {
    width: 34px;
    height: 34px;
    margin: 8px auto 16px;

    border: 3px solid var(--z-border);
    border-top-color: var(--z-violet);
    border-radius: 50%;

    animation: mw-auth-spin 720ms linear infinite;
}

@keyframes mw-auth-spin {
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .mw-auth-gate { animation: none; }
    .mw-auth-spinner { animation-duration: 1800ms; }
}


/* ---- Settings: signed-in account panel ---------------- */

.zg-set-account small {
    word-break: break-word;
}


@media (max-width: 380px) {
    .mw-auth-card {
        padding: 24px 18px 20px;
    }
    .mw-auth-title {
        font-size: 1.18rem;
    }
}