/* =========================================================================
   L'Atelier de MIA — Sign In Drawer
   Right-side slide-in with Log In / Create Account tabs.
   ========================================================================= */

.auth-drawer-backdrop {
    position: fixed;
    inset: 0;
    z-index: 199;
    background: rgba(26, 22, 18, 0.18);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur-medium) var(--ease);
}
.auth-drawer-backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
}

.auth-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 200;
    width: 440px;
    max-width: 100vw;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    background: var(--canvas);
    border-left: 1px solid var(--hairline);
    box-shadow: -4px 0 24px rgba(26, 22, 18, 0.06);
    transform: translateX(100%);
    transition: transform var(--dur-medium) var(--ease);
}
.auth-drawer.is-open {
    transform: translateX(0);
}

.auth-drawer__inner {
    padding: var(--space-4) var(--space-5) var(--space-4);
}

.auth-drawer__close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 32px;
    height: 32px;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
    color: var(--fg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity var(--dur-fast) var(--ease);
}
.auth-drawer__close:hover { opacity: 0.5; }
.auth-drawer__close:focus { outline: none; }
.auth-drawer__close:focus-visible {
    outline: 2px solid var(--fg);
    outline-offset: 2px;
}
.auth-drawer__close svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    stroke-width: 1.5;
}

.auth-drawer__title {
    margin: 0 0 var(--space-4);
    font-family: var(--type-headline-font);
    font-size: 28px;
    font-weight: var(--type-headline-weight);
    letter-spacing: var(--type-headline-tracking);
    line-height: 1.2;
    text-transform: uppercase;
    color: var(--fg);
}

/* Tabs */
.auth-drawer__tabs {
    display: flex;
    gap: var(--space-5);
    margin-bottom: var(--space-3);
    border-bottom: 1px solid var(--hairline);
    padding-bottom: var(--space-3);
}

.auth-drawer__tab {
    padding: 0 0 var(--space-2);
    border: 0;
    background: transparent;
    cursor: pointer;
    font-family: var(--type-label-caps-font);
    font-size: var(--type-label-caps-size);
    font-weight: var(--type-label-caps-weight);
    letter-spacing: var(--type-label-caps-tracking);
    text-transform: var(--type-label-caps-case);
    color: var(--muted);
    position: relative;
    transition: color var(--dur-fast) var(--ease);
}

.auth-drawer__tab::after {
    content: '';
    position: absolute;
    left: 0; right: 0;
    bottom: calc(-1 * var(--space-3) - 1px);
    height: 1px;
    background: var(--fg);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform var(--dur-medium) var(--ease);
}

.auth-drawer__tab:hover { color: var(--fg); }
.auth-drawer__tab[aria-selected="true"] { color: var(--fg); }
.auth-drawer__tab[aria-selected="true"]::after { transform: scaleX(1); }

/* Panels */
.auth-drawer__panel {
    display: none;
}
.auth-drawer__panel.is-active {
    display: block;
    animation: auth-panel-in var(--dur-fast) var(--ease) both;
}

@keyframes auth-panel-in {
    0%   { opacity: 0; transform: translateY(6px); }
    100% { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
    .auth-drawer__panel.is-active { animation: none; }
}

/* Form layout */
.auth-drawer__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 var(--space-5);
}

.auth-drawer .field {
    margin-bottom: var(--space-3);
}

.auth-drawer__submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 52px;
    margin-top: var(--space-3);
    padding: var(--space-3) var(--space-5);
    border: 1px solid var(--fg);
    background: var(--fg);
    color: var(--canvas);
    font-family: var(--type-label-caps-font);
    font-size: var(--type-label-caps-size);
    font-weight: var(--type-label-caps-weight);
    letter-spacing: var(--type-label-caps-tracking);
    text-transform: var(--type-label-caps-case);
    cursor: pointer;
    transition: background var(--dur-fast) var(--ease),
                color var(--dur-fast) var(--ease);
}
.auth-drawer__submit-btn:hover {
    background: transparent;
    color: var(--fg);
}
.auth-drawer__submit-btn:focus-visible {
    outline: 2px solid var(--fg);
    outline-offset: 2px;
}

.auth-drawer__forgot {
    display: block;
    margin-top: var(--space-3);
    text-align: center;
    font-family: var(--type-label-caps-font);
    font-size: var(--type-label-caps-size);
    font-weight: var(--type-label-caps-weight);
    letter-spacing: var(--type-label-caps-tracking);
    text-transform: var(--type-label-caps-case);
    color: var(--muted);
    text-decoration: none;
    transition: color var(--dur-fast) var(--ease);
}
.auth-drawer__forgot:hover { color: var(--fg); }

/* Divider */
.auth-drawer__divider {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin: var(--space-3) 0;
}
.auth-drawer__divider::before,
.auth-drawer__divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--hairline);
}
.auth-drawer__divider-label {
    font-family: var(--type-label-caps-font);
    font-size: var(--type-label-caps-size);
    font-weight: var(--type-label-caps-weight);
    letter-spacing: var(--type-label-caps-tracking);
    text-transform: var(--type-label-caps-case);
    color: var(--muted);
}

/* Social sign-in (Google / Apple) — full-width branded buttons */
.auth-drawer__sso {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}
.auth-drawer__sso-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 52px;
    padding: var(--space-3) var(--space-5);
    border: 1px solid var(--hairline);
    background: var(--canvas);
    color: var(--fg);
    cursor: pointer;
    font-family: var(--type-body-ui-font);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.005em;
    transition: border-color var(--dur-fast) var(--ease),
                background var(--dur-fast) var(--ease);
}
.auth-drawer__sso-btn:hover {
    border-color: var(--fg);
    background: rgba(26, 22, 18, 0.03);
}
.auth-drawer__sso-btn:focus-visible {
    outline: 2px solid var(--fg);
    outline-offset: 2px;
}
.auth-drawer__sso-icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    width: 20px;
    height: 20px;
}
.auth-drawer__sso-icon svg {
    display: block;
    width: 20px;
    height: 20px;
}
.auth-drawer__sso-label { display: inline-block; }

@media (max-width: 599px) {
    .auth-drawer { width: 100vw; }
    .auth-drawer__inner { padding: var(--space-4) var(--space-4) var(--space-5); }
    .auth-drawer__title { font-size: 24px; padding-right: var(--space-5); }
    .auth-drawer__row { grid-template-columns: 1fr; }
}

/* Inline feedback banner (errors + success) */
.auth-drawer__msg {
    margin-top: var(--space-4);
    padding: var(--space-3) var(--space-4);
    font-size: 13px;
    line-height: 1.5;
    border-left: 2px solid currentColor;
}
.auth-drawer__msg[hidden] { display: none; }
.auth-drawer__msg--error {
    color: #8c2f2f;
    background: rgba(140, 47, 47, 0.06);
}
.auth-drawer__msg--success {
    color: #6b5326;
    background: rgba(194, 163, 106, 0.12);
    border-left-color: #c2a36a;
}

/* Field requirement hint (e.g. password rule) */
.auth-drawer .field__hint {
    display: block;
    margin-top: var(--space-2);
    font-size: 12px;
    color: var(--muted);
    letter-spacing: 0.01em;
}

/* Submit button while a request is in flight */
.auth-drawer__submit-btn.is-loading,
.auth-drawer__submit-btn:disabled {
    opacity: 0.6;
    cursor: progress;
}

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