.layout-login {
    min-height: 100vh;
    background: var(--color-bg);
}

.login-back {
    position: fixed;
    top: 30px;
    left: 28px;
    z-index: 5;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    color: var(--color-muted);
    font-weight: 600;
}

.login-shell {
    display: grid;
    min-height: 100vh;
    grid-template-columns: minmax(440px, 1fr) 1.15fr;
}

.login-panel {
    display: grid;
    place-items: center;
    padding: 88px 32px 48px;
}

.login-card {
    width: min(100%, 400px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    padding: 36px 32px;
    box-shadow: var(--shadow-card);
}

.login-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 28px;
    color: var(--color-text);
}

.login-brand img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.login-brand strong {
    font-size: 1.2rem;
    font-weight: 700;
}

.login-heading h1 {
    margin: 0 0 6px;
    color: var(--color-text);
    font-size: 1.75rem;
    line-height: 1.15;
    font-weight: 700;
}

.login-heading p {
    margin-bottom: 24px;
    color: var(--color-muted);
    font-size: 0.95rem;
}

.field-with-icon .form-control {
    min-height: 48px;
}

/* Mensagem fixa no cartão: quem errou a senha no celular precisa ler sem correr contra o toast. */
.login-alert {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 20px;
    border: 1px solid currentColor;
    border-radius: var(--radius);
    padding: 12px 14px;
    font-size: 0.95rem;
    line-height: 1.4;
}

.login-alert > i {
    flex-shrink: 0;
    margin-top: 1px;
}

.login-alert span {
    color: var(--color-text);
}

.login-alert-error {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

.login-alert-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.login-alert-info {
    background: var(--color-info-bg);
    color: var(--color-info);
}

.login-alert-success {
    background: var(--color-light-green);
    color: var(--color-action-dark);
}

.login-help {
    margin: 20px 0 0;
    color: var(--color-muted);
    font-size: 0.875rem;
    text-align: center;
}

/* --flow-target-y é definido pelo login.js com a altura do botão Entrar. */
.login-visual {
    --flow-target-y: 50%;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-action) 0%, var(--color-action-dark) 100%);
}

.login-visual-bloom {
    position: absolute;
    top: -16%;
    right: -18%;
    width: 72%;
    aspect-ratio: 1;
    border-radius: 42% 58% 63% 37% / 45% 40% 60% 55%;
    background: radial-gradient(closest-side, rgba(221, 247, 234, 0.24), rgba(221, 247, 234, 0));
    animation: login-bloom-drift 24s ease-in-out infinite alternate;
}

@keyframes login-bloom-drift {
    0% {
        border-radius: 42% 58% 63% 37% / 45% 40% 60% 55%;
        transform: translate(0, 0) rotate(0deg) scale(1);
    }

    50% {
        border-radius: 58% 42% 38% 62% / 55% 60% 40% 45%;
        transform: translate(-8%, 10%) rotate(18deg) scale(1.08);
    }

    100% {
        border-radius: 48% 52% 55% 45% / 38% 55% 45% 62%;
        transform: translate(-14%, 3%) rotate(-8deg) scale(0.96);
    }
}

.login-flows {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.login-flow,
.login-flow-pulse {
    fill: none;
    stroke-linecap: round;
}

.login-flow {
    stroke: rgba(255, 255, 255, 0.16);
    stroke-width: 1.25;
    stroke-dasharray: 1;
    stroke-dashoffset: 1;
    animation: login-flow-draw 1.6s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
    animation-delay: calc(var(--flow-index) * 90ms);
}

@keyframes login-flow-draw {
    to {
        stroke-dashoffset: 0;
    }
}

/* Um segmento curto percorre cada curva até o botão; durações diferentes evitam ritmo mecânico. */
.login-flow-pulse {
    stroke: rgba(255, 255, 255, 0.8);
    stroke-width: 2;
    stroke-dasharray: 0.08 1.2;
    stroke-dashoffset: 0;
    opacity: 0;
    animation: login-flow-pulse calc(6.4s + var(--flow-index) * 0.45s) cubic-bezier(0.55, 0, 0.35, 1) infinite;
    animation-delay: calc(1.2s + var(--flow-index) * 0.9s);
}

@keyframes login-flow-pulse {
    0% {
        stroke-dashoffset: 0;
        opacity: 0;
    }

    15%,
    80% {
        opacity: 1;
    }

    100% {
        stroke-dashoffset: -1.1;
        opacity: 0;
    }
}

.login-visual-target {
    position: absolute;
    top: var(--flow-target-y);
    left: 0;
    width: 240px;
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0) 65%);
    transform: translate(-50%, -50%);
    animation: login-target-breathe 6s ease-in-out infinite;
}

@keyframes login-target-breathe {
    0%,
    100% {
        opacity: 0.7;
        transform: translate(-50%, -50%) scale(0.92);
    }

    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.06);
    }
}

@media (prefers-reduced-motion: reduce) {
    .login-flow {
        animation: none;
        stroke-dashoffset: 0;
    }

    .login-flow-pulse {
        display: none;
    }

    .login-visual-bloom,
    .login-visual-target {
        animation: none;
    }
}

/* Abaixo de 992px o formulário ocupa a tela; a arte é decorativa e só empurraria conteúdo. */
@media (max-width: 991.98px) {
    .login-shell {
        grid-template-columns: 1fr;
    }

    .login-visual {
        display: none;
    }
}

@media (max-width: 575.98px) {
    .login-panel {
        padding: 78px 16px 28px;
    }

    .login-card {
        padding: 28px 20px;
    }
}