:root {
    --fractaw-bg: #1E2327;
    /* Grafite Noturno Quente */
    --fractaw-card-bg: #252B30;
    /* Elevação dos Blocos */
    --fractaw-primary: #F4B942;
    /* Amarelo-Mel Luminoso */
    --fractaw-primary-hover: #FFC857;
    /* Amarelo Hover / Destaque */
    --fractaw-text: #E7ECEF;
    /* Cinza Névoa Claro */
    --fractaw-text-muted: #B8C0C5;
    /* Cinza Névoa Secundário */
    --fractaw-accent: #4FA7A3;
    /* Azul-Petróleo Iluminado */
    --fractaw-danger: #ff6b6b;
    /* Erros e ações destrutivas */
    --fractaw-accent-deep: #2F6F6D;
    /* Elementos Profundos */
}

/* Configurações Globais da Tela */
body {
    background-color: var(--fractaw-bg);
    color: var(--fractaw-text);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Card Central de Autenticação (Login e Cadastro) */
.login-card,
.register-card {
    background-color: var(--fractaw-card-bg);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
    padding: 2.5rem;
    width: 100%;
    max-width: 450px;
    margin: 2rem 0;
}

/* Ajuste específico para o card de cadastro (que possui mais campos) */
.register-card {
    max-width: 540px;
}

/* Customização Estrita dos Inputs (Campos de Texto) */
.form-control-fractaw {
    background-color: var(--fractaw-bg) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    color: var(--fractaw-text) !important;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.form-control-fractaw::placeholder {
    color: rgba(231, 236, 239, 0.3);
}

.form-control-fractaw:focus {
    border-color: var(--fractaw-accent) !important;
    box-shadow: 0 0 0 3px rgba(79, 167, 163, 0.15) !important;
    outline: none;
}

/* Tratamento de Erros nos Inputs (Validação Django) */
.form-control-fractaw.is-invalid {
    border-color: var(--fractaw-danger) !important;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.15) !important;
}

.invalid-feedback {
    color: var(--fractaw-danger) !important;
    font-size: 0.8rem;
    margin-top: 4px;
}

/* Customização de Checkboxes / Switches */
.form-check-input-fractaw {
    background-color: var(--fractaw-bg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: all 0.2s ease;
}

.form-check-input-fractaw:checked {
    background-color: var(--fractaw-accent) !important;
    border-color: var(--fractaw-accent) !important;
}

/* Botão de Envio Principal (Amarelo-Mel) */
.btn-fractaw-submit {
    background-color: var(--fractaw-primary);
    border: 1px solid var(--fractaw-primary);
    color: #1E2327;
    font-weight: 600;
    padding: 0.75rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.btn-fractaw-submit:hover,
.btn-fractaw-submit:focus-visible {
    background-color: var(--fractaw-primary-hover);
    border-color: var(--fractaw-primary-hover);
    color: #1E2327;
    box-shadow: 0 0 15px rgba(244, 185, 66, 0.35);
}

.btn-fractaw-submit:focus-visible {
    outline: 2px solid var(--fractaw-text);
    outline-offset: 2px;
}

/* Elementos de Texto e Links */
.link-fractaw {
    color: var(--fractaw-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

.link-fractaw:hover {
    color: var(--fractaw-primary-hover);
}

.text-accent-custom {
    color: var(--fractaw-accent) !important;
}

/* Divisores Visuais de Seção (Usado no Cadastro) */
.section-divider {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    margin: 1.75rem 0;
    padding-top: 1rem;
}

/* Classes Utilitárias de Seleção */
.select-none {
    user-select: none;
}

select.form-control-fractaw {
    background-color: var(--fractaw-bg) !important;
    color: var(--fractaw-text) !important;
    color-scheme: dark;
    cursor: pointer;
}

select.form-control-fractaw option,
select.form-control-fractaw optgroup {
    background-color: var(--fractaw-card-bg);
    color: var(--fractaw-text);
}

select.form-control-fractaw option:checked {
    background-color: var(--fractaw-accent);
    color: var(--fractaw-bg);
}

.module-description {
    background: rgba(79, 167, 163, .1);
    border-color: var(--fractaw-accent);
    color: var(--fractaw-text);
}

textarea.form-control-fractaw {
    min-height: 90px;
}

.registration-page {
    display: block;
    overflow: hidden;
}

.registration-shell {
    width: 100%;
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1.25rem;
    --bs-gutter-x: 0;
}

.registration-card {
    width: min(1080px, 100%);
    min-height: min(720px, calc(100vh - 2.5rem));
    background: var(--fractaw-card-bg);
    border: 1px solid rgba(255, 255, 255, .06);
    border-radius: 1.25rem;
    box-shadow: 0 24px 60px rgba(0, 0, 0, .3);
    padding: 1.5rem 2rem;
    display: grid;
    grid-template-rows: auto auto 1fr;
}

.registration-header {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1rem;
}

.registration-header>a {
    justify-self: end;
}

.wizard-progress {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    padding: 0;
    margin: 1.25rem 0;
    counter-reset: step;
}

.wizard-progress li {
    color: var(--fractaw-text-muted);
    text-align: center;
    border-bottom: 2px solid rgba(255, 255, 255, .08);
    padding: .6rem;
    font-size: .8rem;
}

.wizard-progress li.active {
    color: var(--fractaw-primary);
    border-color: var(--fractaw-primary);
}

#company-registration {
    display: grid;
    grid-template-rows: 1fr auto;
    min-height: 0;
}

.wizard-step {
    display: none !important;
    animation: step-in .18s ease-out;
}

.wizard-step.active {
    display: grid !important;
    align-content: center;
    width: min(920px, 100%);
    margin-inline: auto;
}

.step-heading {
    display: flex;
    align-items: center;
    gap: .9rem;
    margin-bottom: 1.25rem;
}

.step-heading>span {
    display: grid;
    place-items: center;
    min-width: 2.5rem;
    height: 2.5rem;
    border-radius: .75rem;
    background: var(--fractaw-accent-deep);
    color: var(--fractaw-accent);
    font-weight: 700;
}

.step-heading h2 {
    color: var(--fractaw-text);
    font-size: 1.25rem;
    margin: 0;
}

.step-heading p {
    color: var(--fractaw-text-muted);
    font-size: .875rem;
    margin: .15rem 0 0;
}

.vertical-preview {
    display: none;
    height: 100%;
    background: rgba(79, 167, 163, .08);
    border: 1px solid rgba(79, 167, 163, .25);
    border-radius: 1rem;
    padding: 1.25rem;
}

.auth-eyebrow {
    color: var(--fractaw-primary);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.auth-error {
    background-color: rgba(220, 53, 69, 0.15);
    color: var(--fractaw-danger);
}

.auth-label,
.auth-session-label,
.auth-meta {
    color: var(--fractaw-text-muted);
}

.auth-session-label {
    cursor: pointer;
}

.auth-register-prompt {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.auth-meta {
    font-size: 0.75rem;
}

.vertical-preview.is-visible {
    display: block;
}

.vertical-preview i {
    color: var(--fractaw-primary);
    font-size: 1.75rem;
}

.vertical-preview h3 {
    color: var(--fractaw-text);
    font-size: 1rem;
    margin-top: .75rem;
}

.vertical-preview p {
    color: var(--fractaw-text-muted);
    font-size: .85rem;
    margin-bottom: 0;
}

.wizard-actions {
    align-self: end;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1rem;
    border-top: 1px solid rgba(255, 255, 255, .06);
    padding-top: 1rem;
    margin-top: 1rem;
}

.wizard-actions .btn:last-child,
.wizard-actions #wizard-next {
    justify-self: end;
    min-width: 130px;
}

.wizard-actions #wizard-back {
    justify-self: start;
}

details {
    color: var(--fractaw-text-muted);
}

details summary {
    cursor: pointer;
    color: var(--fractaw-accent);
}

@keyframes step-in {
    from {
        opacity: 0;
        transform: translateX(8px);
    }
}

@media (max-width: 767.98px) {
    body {
        align-items: flex-start;
    }

    body > .container {
        min-height: 100dvh;
        padding-inline: 0.75rem;
    }

    .login-card {
        margin: 1rem 0;
        padding: 1.5rem;
    }

    .registration-page {
        overflow: auto;
    }

    .registration-shell {
        display: block;
        padding: 0;
    }

    .registration-card {
        display: block;
        min-height: 100dvh;
        border-radius: 0;
        padding: 1rem;
    }

    .registration-header {
        grid-template-columns: 1fr auto;
    }

    .registration-header>div:nth-child(2) {
        display: none;
    }

    .wizard-progress li {
        font-size: 0;
    }

    .wizard-progress li::after {
        content: '•';
        font-size: 1rem;
    }

    #company-registration {
        display: block;
    }

    .wizard-step.active {
        display: block !important;
        padding-bottom: 1rem;
    }

    .wizard-actions {
        position: sticky;
        bottom: 0;
        z-index: 10;
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        padding-bottom: max(0.75rem, env(safe-area-inset-bottom));
        background: var(--fractaw-card-bg);
        box-shadow: 0 -12px 24px rgba(30, 35, 39, 0.9);
    }

    .wizard-actions #step-label {
        grid-column: 1 / -1;
        grid-row: 1;
        text-align: center;
    }

    .wizard-actions #wizard-back,
    .wizard-actions #wizard-next,
    .wizard-actions #wizard-submit {
        grid-row: 2;
        width: 100%;
        min-width: 0;
    }

    .wizard-actions #wizard-back {
        grid-column: 1;
    }

    .wizard-actions #wizard-next,
    .wizard-actions #wizard-submit {
        grid-column: 2;
    }
}

@media (max-width: 359.98px) {
    .registration-header {
        align-items: flex-start;
        grid-template-columns: 1fr;
    }

    .registration-header > a {
        justify-self: start;
    }
}

@media (prefers-reduced-motion: reduce) {
    .wizard-step {
        animation: none;
    }
}