/**
 * V2 — Login page styles
 * --------------------------------------------------------------
 * Étend les design tokens de dashboard.css (palette OKLCH, Inter,
 * tokens --bg/--surface/--accent…). Auto light/dark via la
 * propriété color-scheme : light dark déclarée dans dashboard.css.
 *
 * La page n'a ni sidebar ni topbar : elle remplace `main` par un
 * conteneur plein écran `.auth-page` avec une carte centrale.
 */

@layer components {

  /* ============ LAYOUT ============ */

  .auth-page {
    position: relative;
    isolation: isolate;
    min-height: 100dvh;
    display: grid;
    place-items: center;
    padding: clamp(1rem, 4vw, 2.5rem);
    overflow-x: hidden;
  }

  /* Fond animé : 3 blobs accentuels diffus, ne bloque pas l'interaction */
  .auth-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
  }
  .auth-bg-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.55;
    animation: authBlobFloat 14s var(--ease-in-out) infinite alternate;
  }
  .auth-bg-blob--a {
    inline-size: 28rem; block-size: 28rem;
    inset-block-start: -8rem; inset-inline-start: -6rem;
    background: color-mix(in oklch, var(--accent) 70%, transparent);
  }
  .auth-bg-blob--b {
    inline-size: 32rem; block-size: 32rem;
    inset-block-end: -10rem; inset-inline-end: -8rem;
    background: light-dark(
      color-mix(in oklch, oklch(72% 0.16 320) 45%, transparent),
      color-mix(in oklch, oklch(40% 0.16 320) 65%, transparent)
    );
    animation-delay: -4s;
  }
  .auth-bg-blob--c {
    inline-size: 22rem; block-size: 22rem;
    inset-block-start: 35%; inset-inline-start: 55%;
    background: light-dark(
      color-mix(in oklch, oklch(80% 0.14 200) 40%, transparent),
      color-mix(in oklch, oklch(45% 0.14 200) 55%, transparent)
    );
    animation-delay: -8s;
  }
  @keyframes authBlobFloat {
    from { transform: translate3d(0, 0, 0) scale(1); }
    to   { transform: translate3d(2rem, -1.5rem, 0) scale(1.08); }
  }

  /* ============ CARD ============ */

  .auth-card {
    inline-size: min(100%, 28rem);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: clamp(1.5rem, 3vw, 2.25rem);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    animation: authCardIn 0.45s var(--ease-out);
  }
  @keyframes authCardIn {
    from { opacity: 0; transform: translateY(12px) scale(0.985); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
  }

  .auth-card__head {
    text-align: center;
    display: flex; flex-direction: column; align-items: center; gap: 0.375rem;
  }
  .auth-card__crest {
    display: grid; place-items: center;
    margin-block-end: 0.25rem;
  }
  .auth-card__crest img {
    block-size: clamp(2.75rem, 6vw, 3.75rem);
    inline-size: auto;
    max-inline-size: 14rem;
    object-fit: contain;
  }
  .auth-card__eyebrow {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent-text);
  }
  .auth-card__title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.25rem, 2.6vw, 1.5rem);
    letter-spacing: -0.02em;
    color: var(--text);
    line-height: 1.2;
  }
  /* ============ CONTEXT BANNER (managereservation / keycours / …) ============ */

  .auth-context {
    display: flex; gap: 0.75rem;
    padding: 0.875rem 1rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    font-size: 0.8125rem;
    line-height: 1.45;
    align-items: flex-start;
  }
  .auth-context--info {
    background: var(--accent-soft);
    color: var(--accent-text);
    border-color: color-mix(in oklch, var(--accent) 22%, transparent);
  }
  .auth-context--success {
    background: var(--success-soft);
    color: light-dark(oklch(35% 0.13 155), oklch(86% 0.10 155));
    border-color: color-mix(in oklch, var(--success) 22%, transparent);
  }
  .auth-context--warning {
    background: var(--warning-soft);
    color: light-dark(oklch(42% 0.13 75), oklch(86% 0.10 75));
    border-color: color-mix(in oklch, var(--warning) 25%, transparent);
  }
  .auth-context__icon {
    flex: none;
    inline-size: 2rem; block-size: 2rem;
    border-radius: 0.5rem;
    background: color-mix(in oklch, currentColor 8%, transparent);
    display: grid; place-items: center;
  }
  .auth-context__icon svg { inline-size: 1.05rem; block-size: 1.05rem; }
  .auth-context__body { flex: 1; display: flex; flex-direction: column; gap: 0.25rem; }
  .auth-context__title {
    font-weight: 700;
    font-family: var(--font-display);
    letter-spacing: -0.01em;
    color: inherit;
  }
  .auth-context__text { color: inherit; }
  .auth-context__text b { font-weight: 700; }
  .auth-context__link {
    align-self: flex-start;
    margin-block-start: 0.375rem;
    background: transparent;
    color: inherit;
    font: inherit;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
    padding: 0;
  }
  .auth-context__link:hover { opacity: 0.85; }

  /* ============ FLASH BANNERS (success / error / info inline) ============ */

  /* Conteneur transparent : les bandeaux restent des enfants directs du
     flex `.auth-card` (gap préservé), tout en offrant un point d'injection
     pour les réponses AJAX. */
  .auth-banners { display: contents; }

  .auth-banner {
    display: flex; align-items: center; gap: 0.625rem;
    padding: 0.75rem 0.875rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    font-size: 0.8125rem;
    line-height: 1.4;
    animation: authBannerIn 0.25s var(--ease-out);
  }
  @keyframes authBannerIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .auth-banner--danger {
    background: var(--danger-soft);
    color: light-dark(oklch(38% 0.18 25), oklch(88% 0.12 25));
    border-color: color-mix(in oklch, var(--danger) 22%, transparent);
  }
  .auth-banner--success {
    background: var(--success-soft);
    color: light-dark(oklch(36% 0.13 155), oklch(86% 0.10 155));
    border-color: color-mix(in oklch, var(--success) 22%, transparent);
  }
  .auth-banner--info {
    background: var(--accent-soft);
    color: var(--accent-text);
    border-color: color-mix(in oklch, var(--accent) 22%, transparent);
  }
  .auth-banner__icon { flex: none; display: grid; place-items: center; }
  .auth-banner__icon svg { inline-size: 1.125rem; block-size: 1.125rem; }
  .auth-banner__text { flex: 1; }
  .auth-banner__close {
    flex: none;
    inline-size: 1.5rem; block-size: 1.5rem;
    border-radius: 0.375rem;
    color: inherit;
    font-size: 1.125rem; line-height: 1;
    opacity: 0.6;
    transition: opacity 0.12s, background 0.12s;
  }
  .auth-banner__close:hover { opacity: 1; background: color-mix(in oklch, currentColor 12%, transparent); }

  /* ============ FORM ============ */

  .auth-form {
    display: flex; flex-direction: column; gap: 1.125rem;
  }

  .auth-field { display: flex; flex-direction: column; gap: 0.375rem; }
  .auth-field__row {
    display: flex; align-items: baseline; justify-content: space-between;
    gap: 0.5rem;
  }
  .auth-field__label {
    font-size: 0.8125rem; font-weight: 600;
    color: var(--text-2);
    letter-spacing: -0.005em;
  }
  .auth-field__link {
    font-size: 0.75rem; font-weight: 600;
    color: var(--accent-text);
    text-decoration: none;
    transition: color 0.12s;
  }
  .auth-field__link:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

  .auth-field__control {
    position: relative;
    display: flex; align-items: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding-inline: 0.875rem;
    transition: border-color 0.15s var(--ease-out), box-shadow 0.15s var(--ease-out), background 0.15s;
  }
  .auth-field__control:hover { border-color: var(--border-strong); }
  .auth-field__control:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px color-mix(in oklch, var(--accent) 18%, transparent);
  }
  .auth-field--error .auth-field__control {
    border-color: var(--danger);
    box-shadow: 0 0 0 4px color-mix(in oklch, var(--danger) 16%, transparent);
  }

  .auth-field__icon {
    color: var(--text-3); flex: none;
    display: grid; place-items: center;
    margin-inline-end: 0.625rem;
  }
  .auth-field__icon svg { inline-size: 1rem; block-size: 1rem; }

  .auth-field__input {
    flex: 1;
    padding-block: 0.875rem;
    padding-inline: 0;
    background: transparent;
    border: 0;
    outline: none;
    font: inherit;
    font-size: 0.9375rem;
    color: var(--text);
    min-width: 0;
  }
  .auth-field__input::placeholder { color: var(--text-3); }
  .auth-field__input:-webkit-autofill,
  .auth-field__input:-webkit-autofill:focus {
    -webkit-text-fill-color: var(--text);
    transition: background-color 600000s 0s, color 600000s 0s;
  }

  .auth-field__reveal {
    flex: none;
    inline-size: 2rem; block-size: 2rem;
    margin-inline-start: 0.5rem;
    border-radius: 0.5rem;
    color: var(--text-3);
    display: grid; place-items: center;
    transition: background 0.12s, color 0.12s;
  }
  .auth-field__reveal:hover { background: var(--surface-2); color: var(--text); }
  .auth-field__reveal svg { inline-size: 1rem; block-size: 1rem; }

  .auth-field__error {
    display: none;
    color: var(--danger);
    font-size: 0.75rem;
    font-weight: 500;
    margin-inline-start: 0.25rem;
  }
  .auth-field--error .auth-field__error { display: block; }

  /* ============ CHECKBOXES ============ */

  .auth-check-row {
    display: flex; flex-direction: column; gap: 0.625rem;
  }
  .auth-check {
    display: inline-flex; align-items: flex-start; gap: 0.625rem;
    cursor: pointer;
    user-select: none;
    font-size: 0.8125rem;
    color: var(--text-2);
    line-height: 1.4;
  }
  .auth-check input[type="checkbox"] {
    position: absolute;
    inline-size: 1px; block-size: 1px;
    overflow: hidden; clip: rect(0,0,0,0);
    opacity: 0;
  }
  .auth-check__box {
    flex: none;
    inline-size: 1.125rem; block-size: 1.125rem;
    border-radius: 0.375rem;
    border: 1.5px solid var(--border-strong);
    background: var(--surface);
    display: grid; place-items: center;
    transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
    margin-block-start: 0.1rem;
    position: relative;
  }
  .auth-check__box::after {
    content: "";
    inline-size: 0.625rem; block-size: 0.625rem;
    background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center / contain no-repeat;
    opacity: 0;
    transform: scale(0.6);
    transition: opacity 0.15s, transform 0.15s var(--ease-out);
  }
  .auth-check input[type="checkbox"]:checked + .auth-check__box {
    background: var(--accent);
    border-color: var(--accent);
  }
  .auth-check input[type="checkbox"]:checked + .auth-check__box::after {
    opacity: 1; transform: scale(1);
  }
  .auth-check input[type="checkbox"]:focus-visible + .auth-check__box {
    box-shadow: 0 0 0 4px color-mix(in oklch, var(--accent) 22%, transparent);
  }
  .auth-check__label { flex: 1; }

  /* ============ SUBMIT BUTTON ============ */

  .auth-submit {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 0.5rem;
    inline-size: 100%;
    padding: 0.875rem 1rem;
    border-radius: 0.75rem;
    background: var(--accent);
    color: white;
    font-family: var(--font-display);
    font-weight: 700; font-size: 0.9375rem;
    letter-spacing: 0.01em;
    box-shadow: 0 4px 14px color-mix(in oklch, var(--accent) 35%, transparent);
    transition: background 0.15s, transform 0.12s, box-shadow 0.18s;
    margin-block-start: 0.25rem;
  }
  .auth-submit:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 8px 22px color-mix(in oklch, var(--accent) 38%, transparent);
  }
  .auth-submit:active { transform: translateY(0); }
  .auth-submit:disabled,
  .auth-submit[aria-busy="true"] {
    opacity: 0.7; cursor: progress;
    transform: none;
  }
  .auth-submit[aria-busy="true"] .auth-submit__label { opacity: 0.7; }
  /* Première lettre du libellé en capitale (la traduction `trn_signin`
     est en minuscules dans le fichier de langue : "se connecter") */
  .auth-submit__label::first-letter { text-transform: uppercase; }

  .auth-submit__spinner {
    inline-size: 1rem; block-size: 1rem;
    border-radius: 50%;
    border: 2px solid color-mix(in oklch, white 50%, transparent);
    border-block-start-color: white;
    animation: authSpin 0.7s linear infinite;
  }
  @keyframes authSpin { to { transform: rotate(360deg); } }

  /* ============ BIOMETRIC ============ */

  .auth-divider {
    display: flex; align-items: center; gap: 0.625rem;
    color: var(--text-3);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-block: 0.25rem;
  }
  .auth-divider::before,
  .auth-divider::after {
    content: ""; flex: 1;
    block-size: 1px;
    background: var(--border);
  }

  .auth-biometric {
    display: flex; flex-direction: column; gap: 0.5rem;
  }

  .auth-biometric__btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 0.625rem;
    inline-size: 100%;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    background: var(--surface-2);
    color: var(--text);
    border: 1px solid var(--border);
    font-family: var(--font-display);
    font-weight: 600; font-size: 0.875rem;
    transition: background 0.15s, border-color 0.15s, transform 0.12s, box-shadow 0.18s;
  }
  .auth-biometric__btn:hover {
    background: var(--surface-3);
    border-color: var(--accent);
    color: var(--accent-text);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px color-mix(in oklch, var(--accent) 18%, transparent);
  }
  .auth-biometric__icon {
    inline-size: 1.875rem; block-size: 1.875rem;
    border-radius: 999px;
    background: color-mix(in oklch, var(--accent) 14%, transparent);
    color: var(--accent);
    display: grid; place-items: center;
  }

  /* ============ FOOTER ============ */

  .auth-footer {
    text-align: center;
    margin-block-start: 0.5rem;
    color: var(--text-3);
    font-size: 0.8125rem;
  }
  .auth-footer__hint { margin-inline-end: 0.375rem; }
  .auth-footer__link {
    color: var(--accent-text);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.12s;
  }
  .auth-footer__link:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

  .auth-footer-link {
    text-align: center;
    margin: -0.25rem 0 0;
  }
  .auth-link {
    background: transparent;
    color: var(--accent-text);
    font: inherit;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
    font-size: 0.8125rem;
  }
  .auth-link:hover { color: var(--accent); }

  /* ============ TOASTS (remplace toastr) ============ */

  .auth-toast-stack {
    position: fixed;
    inset-block-end: clamp(0.75rem, 3vw, 1.5rem);
    inset-inline-end: clamp(0.75rem, 3vw, 1.5rem);
    z-index: 1000;
    display: flex; flex-direction: column; gap: 0.5rem;
    max-inline-size: min(22rem, calc(100vw - 1.5rem));
    pointer-events: none;
  }
  .auth-toast {
    pointer-events: auto;
    position: relative;
    display: flex; align-items: flex-start; gap: 0.625rem;
    padding: 0.875rem 2.25rem 0.875rem 0.875rem;
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    font-size: 0.8125rem;
    line-height: 1.4;
    animation: authToastIn 0.32s var(--ease-out) both;
    transform-origin: bottom right;
  }
  .auth-toast.is-leaving { animation: authToastOut 0.22s var(--ease-out) forwards; }
  @keyframes authToastIn {
    from { opacity: 0; transform: translateY(12px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
  }
  @keyframes authToastOut {
    to { opacity: 0; transform: translateY(-6px) scale(0.97); }
  }
  .auth-toast__icon {
    flex: none;
    inline-size: 2rem; block-size: 2rem;
    border-radius: 0.5rem;
    display: grid; place-items: center;
    background: color-mix(in oklch, var(--text-2) 8%, transparent);
    color: var(--text-2);
  }
  .auth-toast__icon svg { inline-size: 1.125rem; block-size: 1.125rem; }
  .auth-toast__body { flex: 1; }
  .auth-toast__title {
    display: block;
    font-family: var(--font-display);
    font-weight: 700; font-size: 0.8125rem;
    letter-spacing: -0.005em;
    color: var(--text);
  }
  .auth-toast__text { display: block; color: var(--text-2); }
  .auth-toast__close {
    position: absolute;
    inset-block-start: 0.375rem; inset-inline-end: 0.375rem;
    inline-size: 1.5rem; block-size: 1.5rem;
    border-radius: 0.375rem;
    color: var(--text-3);
    font-size: 1.125rem; line-height: 1;
    opacity: 0.7;
    transition: opacity 0.12s, background 0.12s;
  }
  .auth-toast__close:hover { opacity: 1; background: var(--surface-2); }
  .auth-toast__progress {
    position: absolute;
    inset-block-end: 0; inset-inline: 0;
    block-size: 2px;
    background: var(--accent);
    transform-origin: left;
    border-radius: 0 0 var(--radius) var(--radius);
    animation: authToastProgress linear forwards;
  }
  @keyframes authToastProgress {
    from { transform: scaleX(1); }
    to   { transform: scaleX(0); }
  }
  .auth-toast--success { border-color: color-mix(in oklch, var(--success) 25%, transparent); }
  .auth-toast--success .auth-toast__icon {
    background: var(--success-soft);
    color: light-dark(oklch(36% 0.13 155), oklch(86% 0.10 155));
  }
  .auth-toast--success .auth-toast__progress { background: var(--success); }
  .auth-toast--error { border-color: color-mix(in oklch, var(--danger) 25%, transparent); }
  .auth-toast--error .auth-toast__icon {
    background: var(--danger-soft);
    color: light-dark(oklch(38% 0.18 25), oklch(88% 0.12 25));
  }
  .auth-toast--error .auth-toast__progress { background: var(--danger); }
  .auth-toast--warning { border-color: color-mix(in oklch, var(--warning) 28%, transparent); }
  .auth-toast--warning .auth-toast__icon {
    background: var(--warning-soft);
    color: light-dark(oklch(42% 0.13 75), oklch(86% 0.10 75));
  }
  .auth-toast--warning .auth-toast__progress { background: var(--warning); }
  .auth-toast--info { border-color: color-mix(in oklch, var(--accent) 28%, transparent); }
  .auth-toast--info .auth-toast__icon {
    background: var(--accent-soft);
    color: var(--accent-text);
  }
  .auth-toast--info .auth-toast__progress { background: var(--accent); }

  /* ============ RESPONSIVE ============ */

  @media (max-width: 480px) {
    .auth-page {
      align-items: flex-start;
      padding-block-start: 1.25rem;
    }
    .auth-card { padding: 1.25rem; }
    .auth-card__title { font-size: 1.5rem; }
  }

  /* Réduction des animations selon le système */
  @media (prefers-reduced-motion: reduce) {
    .auth-bg-blob,
    .auth-card,
    .auth-banner,
    .auth-toast,
    .auth-toast__progress {
      animation: none !important;
    }
  }
}