/* ============================================================
   CMS Design System — Écran d'authentification v2 (DS.4, V1-DS)
   Maquette : docs/designs/mockups-v2/v2-02-login.png (split-screen).
   Couleurs = tokens du thème actif (surface-auth-*, primary, link…).
   ============================================================ */

.cms-visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ─── Grille ──────────────────────────────────────────────── */
.cms-auth {
    display: grid;
    grid-template-columns: minmax(420px, 43fr) 57fr;
    min-height: 100vh;
    font-family: var(--font-family-sans);
    background-color: var(--color-surface-app);
}

/* ─── Panneau de marque ───────────────────────────────────── */
.cms-auth__brand-panel {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    padding: clamp(32px, 6vh, 64px) clamp(24px, 3vw, 48px) clamp(24px, 4vh, 40px);
    background-color: var(--color-surface-auth-brand);
    color: var(--color-text-on-primary);
    isolation: isolate;
}

/* Arc décoratif (anneau dégradé blanc → transparent, coin supérieur gauche) */
.cms-auth__brand-panel::before {
    content: '';
    position: absolute;
    z-index: -1;
    width: 760px;
    height: 400px;
    left: -170px;
    top: -150px;
    border-radius: 50%;
    border: 44px solid transparent;
    background: linear-gradient(200deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.55) 45%, rgba(255,255,255,0) 85%) border-box;
    -webkit-mask: linear-gradient(#000 0 0) padding-box exclude, linear-gradient(#000 0 0);
            mask: linear-gradient(#000 0 0) padding-box exclude, linear-gradient(#000 0 0);
    transform: rotate(-12deg);
    opacity: 0.85;
    pointer-events: none;
}

.cms-auth__brand {
    margin: 0 0 0 clamp(32px, 6vw, 96px);
    font-size: var(--text-4xl);
    font-weight: var(--font-weight-regular);
    line-height: 1.2;
    color: var(--color-text-on-primary-muted);
    letter-spacing: 0.01em;
}

.cms-auth__hero {
    margin: auto 0 clamp(24px, 4vh, 48px);
    display: flex;
    flex-direction: column;
    line-height: 0.95;
    color: var(--color-text-on-primary-muted);
}

.cms-auth__hero-line1 {
    font-size: clamp(3.5rem, 6.4vw, 6.5rem);
    font-weight: var(--font-weight-regular);
}

.cms-auth__hero-line2 {
    font-size: clamp(3.5rem, 6.4vw, 6.5rem);
    font-weight: var(--font-weight-bold);
    color: #D9D9D9;
}

/* ─── Carrousel (radios + libellés, sans JavaScript) ──────── */
.cms-auth-carousel {
    position: relative;
    padding: clamp(24px, 4vh, 40px) clamp(24px, 3vw, 48px) clamp(20px, 3vh, 32px);
    border-radius: 28px;
    background-color: var(--color-surface-auth-glass);
    color: #FFFFFF;
    text-align: center;
}

.cms-auth-carousel__radio {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    pointer-events: none;
}

.cms-auth-carousel__slide {
    display: none;
    min-height: 140px;
    animation: cmsFadeIn var(--duration-slow) var(--easing-default) both;
}

.cms-auth-carousel__title {
    margin: 0 0 var(--space-6);
    font-size: clamp(1.25rem, 2vw, 1.75rem);
    font-weight: var(--font-weight-regular);
    line-height: 1.4;
    text-transform: uppercase;
    color: #FFFFFF;
}

.cms-auth-carousel__text {
    margin: 0;
    font-size: var(--text-base);
    line-height: 1.5;
    color: #EFEFEF;
}

.cms-auth-carousel__controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--space-6);
}

.cms-auth-carousel__dots {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    padding-left: 10px;
}

.cms-auth-carousel__dot {
    position: relative;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--color-neutral-400, #D2D2D2);
    cursor: pointer;
    transition: background-color var(--duration-fast) var(--easing-default);
}

.cms-auth-carousel__dot::after {
    content: '';
    position: absolute;
    inset: -9px;
    border-radius: 50%;
    border: 2px solid transparent;
    transition: border-color var(--duration-fast) var(--easing-default);
}

.cms-auth-carousel__arrows {
    display: flex;
    gap: var(--space-4);
}

.cms-auth-carousel__arrow {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.45);
    cursor: pointer;
    transition: background-color var(--duration-fast) var(--easing-default);
}

.cms-auth-carousel__arrow:hover {
    background-color: rgba(255, 255, 255, 0.65);
}

.cms-auth-carousel__arrow svg {
    width: 22px;
    height: 22px;
    fill: #FFFFFF;
}

/* État de chaque diapositive (6 au plus) */
.cms-auth-carousel__radio--1:checked ~ .cms-auth-carousel__slides .cms-auth-carousel__slide--1,
.cms-auth-carousel__radio--2:checked ~ .cms-auth-carousel__slides .cms-auth-carousel__slide--2,
.cms-auth-carousel__radio--3:checked ~ .cms-auth-carousel__slides .cms-auth-carousel__slide--3,
.cms-auth-carousel__radio--4:checked ~ .cms-auth-carousel__slides .cms-auth-carousel__slide--4,
.cms-auth-carousel__radio--5:checked ~ .cms-auth-carousel__slides .cms-auth-carousel__slide--5,
.cms-auth-carousel__radio--6:checked ~ .cms-auth-carousel__slides .cms-auth-carousel__slide--6 {
    display: block;
}

.cms-auth-carousel__radio--1:checked ~ .cms-auth-carousel__controls .cms-auth-carousel__dot--1,
.cms-auth-carousel__radio--2:checked ~ .cms-auth-carousel__controls .cms-auth-carousel__dot--2,
.cms-auth-carousel__radio--3:checked ~ .cms-auth-carousel__controls .cms-auth-carousel__dot--3,
.cms-auth-carousel__radio--4:checked ~ .cms-auth-carousel__controls .cms-auth-carousel__dot--4,
.cms-auth-carousel__radio--5:checked ~ .cms-auth-carousel__controls .cms-auth-carousel__dot--5,
.cms-auth-carousel__radio--6:checked ~ .cms-auth-carousel__controls .cms-auth-carousel__dot--6 {
    background-color: #FFFFFF;
}

.cms-auth-carousel__radio--1:checked ~ .cms-auth-carousel__controls .cms-auth-carousel__dot--1::after,
.cms-auth-carousel__radio--2:checked ~ .cms-auth-carousel__controls .cms-auth-carousel__dot--2::after,
.cms-auth-carousel__radio--3:checked ~ .cms-auth-carousel__controls .cms-auth-carousel__dot--3::after,
.cms-auth-carousel__radio--4:checked ~ .cms-auth-carousel__controls .cms-auth-carousel__dot--4::after,
.cms-auth-carousel__radio--5:checked ~ .cms-auth-carousel__controls .cms-auth-carousel__dot--5::after,
.cms-auth-carousel__radio--6:checked ~ .cms-auth-carousel__controls .cms-auth-carousel__dot--6::after {
    border-color: #FFFFFF;
}

.cms-auth-carousel__radio--1:checked ~ .cms-auth-carousel__controls .cms-auth-carousel__arrow--for-1,
.cms-auth-carousel__radio--2:checked ~ .cms-auth-carousel__controls .cms-auth-carousel__arrow--for-2,
.cms-auth-carousel__radio--3:checked ~ .cms-auth-carousel__controls .cms-auth-carousel__arrow--for-3,
.cms-auth-carousel__radio--4:checked ~ .cms-auth-carousel__controls .cms-auth-carousel__arrow--for-4,
.cms-auth-carousel__radio--5:checked ~ .cms-auth-carousel__controls .cms-auth-carousel__arrow--for-5,
.cms-auth-carousel__radio--6:checked ~ .cms-auth-carousel__controls .cms-auth-carousel__arrow--for-6 {
    display: inline-flex;
}

/* Focus clavier sur le groupe radio : anneau autour du point actif */
.cms-auth-carousel__radio--1:focus-visible ~ .cms-auth-carousel__controls .cms-auth-carousel__dot--1,
.cms-auth-carousel__radio--2:focus-visible ~ .cms-auth-carousel__controls .cms-auth-carousel__dot--2,
.cms-auth-carousel__radio--3:focus-visible ~ .cms-auth-carousel__controls .cms-auth-carousel__dot--3,
.cms-auth-carousel__radio--4:focus-visible ~ .cms-auth-carousel__controls .cms-auth-carousel__dot--4,
.cms-auth-carousel__radio--5:focus-visible ~ .cms-auth-carousel__controls .cms-auth-carousel__dot--5,
.cms-auth-carousel__radio--6:focus-visible ~ .cms-auth-carousel__controls .cms-auth-carousel__dot--6 {
    outline: 2px solid #FFFFFF;
    outline-offset: 12px;
}

/* ─── Colonne formulaire ──────────────────────────────────── */
.cms-auth__form-panel {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-12) var(--space-6);
    background-color: var(--color-surface-app);
    isolation: isolate;
}

/* Blobs décoratifs (haut-droite, bas-droite) */
.cms-auth__form-panel::before,
.cms-auth__form-panel::after {
    content: '';
    position: absolute;
    z-index: -1;
    border-radius: 50%;
    background-color: var(--color-surface-tile);
    pointer-events: none;
}

.cms-auth__form-panel::before {
    width: 420px;
    height: 200px;
    top: -110px;
    right: -60px;
    transform: rotate(8deg);
}

.cms-auth__form-panel::after {
    width: 460px;
    height: 220px;
    bottom: -130px;
    right: -80px;
    transform: rotate(-10deg);
}

.cms-auth__form-wrap {
    width: 100%;
    max-width: 400px;
}

.cms-login__title {
    margin: 0 0 var(--space-2);
    font-size: var(--text-4xl);
    font-weight: var(--font-weight-regular);
    line-height: 1.25;
    color: var(--color-text-primary);
}

.cms-login__subtitle {
    margin: 0 0 var(--space-8);
    font-size: var(--text-base);
    color: var(--color-text-primary);
}

.cms-login__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.cms-login__field {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.cms-login__input {
    width: 100%;
    height: 52px;
    box-sizing: border-box;
    padding: 0 var(--space-5);
    border: 2px solid var(--color-border-input);
    border-radius: var(--radius-input);
    background-color: var(--color-surface-input);
    color: var(--color-text-primary);
    font-family: var(--font-family-sans);
    font-size: var(--text-base);
    transition: border-color var(--duration-fast) var(--easing-default),
                box-shadow var(--duration-fast) var(--easing-default);
}

.cms-login__input::placeholder {
    color: var(--color-text-placeholder);
    opacity: 1;
}

.cms-login__input:hover {
    border-color: var(--color-neutral-700, #525252);
}

.cms-login__input:focus,
.cms-login__input:focus-visible {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-focus);
}

.cms-login__input.invalid,
.cms-login__input[aria-invalid="true"] {
    border-color: var(--color-danger);
}

.cms-login__password {
    position: relative;
}

.cms-login__password .cms-login__input {
    padding-right: 56px;
}

.cms-login__eye {
    position: absolute;
    top: 50%;
    right: 8px;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: #2C2C2C;
    cursor: pointer;
}

.cms-login__eye:hover {
    background-color: var(--color-neutral-50, #F5F5F5);
}

.cms-login__eye svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.cms-login__eye .cms-login__eye-on,
.cms-login__eye[aria-pressed="true"] .cms-login__eye-off {
    display: none;
}

.cms-login__eye[aria-pressed="true"] .cms-login__eye-on {
    display: block;
}

.cms-login__field-error .validation-message {
    margin: 0 0 0 var(--space-4);
    color: var(--color-danger);
    font-size: var(--text-xs);
}

.cms-login__remember {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    cursor: pointer;
    user-select: none;
}

.cms-login__checkbox {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--color-danger);
    cursor: pointer;
}

.cms-login__submit {
    height: 52px;
    margin-top: var(--space-6);
    border: 2px solid var(--color-accent-border-strong);
    border-radius: var(--radius-button-auth);
    background-color: var(--color-primary);
    color: var(--color-text-on-primary-muted);
    font-family: var(--font-family-sans);
    font-size: var(--text-xl);
    font-weight: var(--font-weight-regular);
    cursor: pointer;
    transition: background-color var(--duration-fast) var(--easing-default);
}

.cms-login__submit:hover {
    background-color: var(--color-primary-hover);
    color: var(--color-text-on-primary);
}

.cms-login__submit:active {
    background-color: var(--color-primary-active);
}

.cms-login__footer {
    margin: var(--space-12) 0 0;
    text-align: center;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.cms-login__link {
    color: var(--color-link);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
}

.cms-login__link:hover {
    text-decoration: underline;
}

/* Bandeau d'erreur (identifiants refusés) */
.cms-login__error {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin: 0 0 var(--space-5);
    padding: var(--space-3) var(--space-4);
    border-left: 4px solid var(--color-danger);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    background-color: var(--color-danger-light);
    color: var(--color-danger-dark);
    font-size: var(--text-sm);
    line-height: 1.4;
}

.cms-login__error-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    fill: var(--color-danger);
}

/* ─── Tablette : panneau de marque réduit ─────────────────── */
@media (max-width: 1023.98px) {
    .cms-auth {
        grid-template-columns: minmax(320px, 40fr) 60fr;
    }

    .cms-auth__brand {
        margin-left: 0;
        font-size: var(--text-3xl);
    }

    .cms-auth-carousel__title {
        margin-bottom: var(--space-4);
    }
}

/* ─── Mobile : plein écran, bandeau de marque compact ─────── */
@media (max-width: 767.98px) {
    .cms-auth {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
    }

    .cms-auth__brand-panel {
        padding: var(--space-6) var(--space-5) var(--space-5);
        min-height: 0;
    }

    .cms-auth__brand-panel::before {
        width: 420px;
        height: 220px;
        left: -140px;
        top: -120px;
        border-width: 28px;
    }

    .cms-auth__brand {
        font-size: var(--text-2xl);
    }

    .cms-auth__hero {
        margin: var(--space-6) 0 0;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0 0.3em;
    }

    .cms-auth__hero-line1,
    .cms-auth__hero-line2 {
        font-size: 2.5rem;
    }

    .cms-auth-carousel {
        display: none;
    }

    .cms-auth__form-panel {
        align-items: flex-start;
        padding: var(--space-8) var(--space-5) var(--space-10);
    }

    .cms-auth__form-panel::before {
        display: none;
    }

    .cms-login__title {
        font-size: var(--text-3xl);
    }

    .cms-login__subtitle {
        margin-bottom: var(--space-6);
    }

    .cms-login__footer {
        margin-top: var(--space-8);
    }
}