/* wwwroot/css/auth.css
   ─────────────────────────────────────────────────────────
   Design System Premium para páginas de Autenticação
   Autores: UX + Engenharia Frontend Sénior
   ───────────────────────────────────────────────────────── */

:root {
    /* Paleta Principal */
    --ass-primary: #FF5722;
    --ass-primary-dark: #E64A19;
    --ass-primary-light: #FF8A65;
    --ass-primary-soft: rgba(255, 87, 34, 0.08);
    --ass-ink: #0F172A;
    --ass-ink-soft: #1E293B;
    --ass-ink-muted: #64748B;
    --ass-ink-light: #94A3B8;
    --ass-surface: #FFFFFF;
    --ass-surface-soft: #F8FAFC;
    --ass-border: #E2E8F0;
    --ass-border-focus: #FF8A65;
    --ass-success: #10B981;
    --ass-danger: #EF4444;
    --ass-warning: #F59E0B;
    /* Sombras e raios */
    --ass-radius-sm: 8px;
    --ass-radius: 14px;
    --ass-radius-lg: 20px;
    --ass-radius-xl: 28px;
    --ass-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
    --ass-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
    --ass-shadow-md: 0 8px 28px rgba(15, 23, 42, 0.08);
    --ass-shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.12);
    --ass-shadow-primary: 0 8px 24px rgba(255, 87, 34, 0.28);
    /* Transições */
    --ass-transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
    --ass-transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    /* Tipografia */
    --ass-font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ═══════════ RESET & BASE ═══════════ */
* {
    box-sizing: border-box;
}

.auth-body {
    font-family: var(--ass-font);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background: var(--ass-surface);
    color: var(--ass-ink);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ═══════════ SHELL / LAYOUT SPLIT ═══════════ */
.auth-shell {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    min-height: 100vh;
}

/* ═══════════ PAINEL DE MARCA (ESQUERDA) ═══════════ */
.auth-brand-panel {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #312E81 100%);
    color: #fff;
    padding: 3rem 4rem;
    display: flex;
    align-items: center;
}

.brand-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.55;
    pointer-events: none;
    animation: float 20s ease-in-out infinite;
}

.brand-orb-1 {
    width: 480px;
    height: 480px;
    background: radial-gradient(circle, #FF5722, transparent 70%);
    top: -120px;
    left: -120px;
    animation-delay: 0s;
}

.brand-orb-2 {
    width: 380px;
    height: 380px;
    background: radial-gradient(circle, #6366F1, transparent 70%);
    bottom: -100px;
    right: -80px;
    animation-delay: -7s;
}

.brand-orb-3 {
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, #EC4899, transparent 70%);
    top: 45%;
    left: 55%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(30px, -40px) scale(1.08);
    }

    66% {
        transform: translate(-25px, 25px) scale(0.95);
    }
}

.brand-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 3rem;
    max-width: 520px;
    width: 100%;
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: #fff;
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    transition: opacity var(--ass-transition);
}

    .brand-logo:hover {
        opacity: 0.85;
    }

    .brand-logo img {
        height: 38px;
        width: auto;
    }

.brand-headline {
    font-size: clamp(2rem, 3.2vw, 2.85rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin: 0 0 1rem;
}

.gradient-text {
    background: linear-gradient(135deg, #FF8A65, #FF5722, #EC4899);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-subheadline {
    font-size: 1.0625rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.72);
    margin: 0 0 2rem;
    max-width: 440px;
}

.brand-features {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

    .brand-features li {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 0.9375rem;
        color: rgba(255, 255, 255, 0.88);
        font-weight: 500;
    }

    .brand-features i {
        font-size: 1.25rem;
        color: #FF8A65;
        flex-shrink: 0;
    }

/* Testemunho */
.brand-testimonial {
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--ass-radius-lg);
    padding: 1.5rem;
}

.testimonial-quote {
    display: flex;
    gap: 12px;
    margin-bottom: 1rem;
}

    .testimonial-quote i {
        font-size: 1.5rem;
        color: #FF8A65;
        flex-shrink: 0;
    }

    .testimonial-quote p {
        margin: 0;
        font-size: 0.9375rem;
        line-height: 1.5;
        color: rgba(255, 255, 255, 0.92);
        font-style: italic;
    }

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, #FF5722, #EC4899);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    color: #fff;
    flex-shrink: 0;
}

.testimonial-author strong {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
}

.testimonial-author small {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Selo de confiança */
.brand-trust {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.75);
}

.trust-label {
    opacity: 0.7;
}

.trust-stars {
    display: inline-flex;
    gap: 2px;
    color: #FBBF24;
    font-size: 0.875rem;
}

.brand-trust strong {
    color: #fff;
    font-weight: 700;
}

.brand-trust .text-muted {
    color: rgba(255, 255, 255, 0.55) !important;
}

/* ═══════════ PAINEL DE FORMULÁRIO (DIREITA) ═══════════ */
.auth-form-panel {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 2rem 4rem;
    background: var(--ass-surface);
    overflow-y: auto;
}

.auth-mobile-header {
    display: none;
    padding-bottom: 1.5rem;
}

.brand-logo-mobile {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--ass-ink);
    font-weight: 800;
    font-size: 1.125rem;
}

    .brand-logo-mobile img {
        height: 32px;
    }

.auth-form-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.auth-form-card {
    width: 100%;
    max-width: 440px;
    animation: fadeInUp 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header do formulário */
.auth-header {
    text-align: left;
    margin-bottom: 2rem;
}

.auth-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--ass-primary-soft);
    color: var(--ass-primary);
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
}

    .auth-badge i {
        font-size: 0.875rem;
    }

.auth-title {
    font-size: 1.875rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--ass-ink);
    margin: 0 0 0.5rem;
    line-height: 1.2;
}

.auth-subtitle {
    font-size: 0.9375rem;
    color: var(--ass-ink-muted);
    margin: 0;
    line-height: 1.5;
}

/* ═══════════ CAMPOS DO FORMULÁRIO ═══════════ */
.auth-field {
    margin-bottom: 1.25rem;
}

    .auth-field label {
        display: block;
        font-size: 0.8125rem;
        font-weight: 600;
        color: var(--ass-ink-soft);
        margin-bottom: 6px;
        letter-spacing: 0.01em;
    }

.auth-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.auth-input-icon {
    position: absolute;
    left: 16px;
    font-size: 1.125rem;
    color: var(--ass-ink-light);
    pointer-events: none;
    transition: color var(--ass-transition);
    z-index: 2;
}

.auth-input {
    width: 100%;
    height: 52px;
    padding: 0 16px 0 48px;
    font-size: 0.9375rem;
    font-family: var(--ass-font);
    color: var(--ass-ink);
    background: var(--ass-surface);
    border: 1.5px solid var(--ass-border);
    border-radius: var(--ass-radius);
    transition: all var(--ass-transition);
    outline: none;
}

    .auth-input::placeholder {
        color: var(--ass-ink-light);
    }

    .auth-input:hover {
        border-color: #CBD5E1;
    }

    .auth-input:focus {
        border-color: var(--ass-primary);
        box-shadow: 0 0 0 4px var(--ass-primary-soft);
    }

        .auth-input:focus ~ .auth-input-icon,
        .auth-input-wrapper:focus-within .auth-input-icon {
            color: var(--ass-primary);
        }

    /* Estado com botão à direita (password) */
    .auth-input.has-action {
        padding-right: 52px;
    }

.auth-input-action {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--ass-ink-light);
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--ass-transition);
    z-index: 2;
}

    .auth-input-action:hover {
        background: var(--ass-surface-soft);
        color: var(--ass-primary);
    }

    .auth-input-action i {
        font-size: 1.125rem;
    }

/* Erros */
.auth-input.is-invalid {
    border-color: var(--ass-danger);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.08);
}

    .auth-input.is-invalid ~ .auth-input-icon {
        color: var(--ass-danger);
    }

.field-error {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
    font-size: 0.75rem;
    color: var(--ass-danger);
    font-weight: 500;
}

    .field-error i {
        font-size: 0.875rem;
    }

.field-help {
    margin-top: 6px;
    font-size: 0.75rem;
    color: var(--ass-ink-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Força da password */
.password-strength {
    display: flex;
    gap: 4px;
    margin-top: 8px;
}

.password-strength-bar {
    flex: 1;
    height: 4px;
    background: var(--ass-border);
    border-radius: 2px;
    transition: background var(--ass-transition);
}

    .password-strength-bar.active-weak {
        background: var(--ass-danger);
    }

    .password-strength-bar.active-medium {
        background: var(--ass-warning);
    }

    .password-strength-bar.active-strong {
        background: var(--ass-success);
    }

/* ═══════════ CHECKBOX CUSTOM ═══════════ */
.auth-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    user-select: none;
    font-size: 0.8125rem;
    color: var(--ass-ink-soft);
    line-height: 1.4;
}

    .auth-check input {
        appearance: none;
        -webkit-appearance: none;
        width: 18px;
        height: 18px;
        border: 1.5px solid var(--ass-border);
        border-radius: 5px;
        cursor: pointer;
        flex-shrink: 0;
        margin-top: 1px;
        transition: all var(--ass-transition);
        position: relative;
        background: var(--ass-surface);
    }

        .auth-check input:hover {
            border-color: var(--ass-primary-light);
        }

        .auth-check input:checked {
            background: var(--ass-primary);
            border-color: var(--ass-primary);
        }

            .auth-check input:checked::after {
                content: '';
                position: absolute;
                left: 5px;
                top: 1px;
                width: 5px;
                height: 9px;
                border: solid #fff;
                border-width: 0 2px 2px 0;
                transform: rotate(45deg);
            }

    .auth-check a {
        color: var(--ass-primary);
        text-decoration: none;
        font-weight: 600;
    }

        .auth-check a:hover {
            text-decoration: underline;
        }

/* ═══════════ BOTÕES ═══════════ */
.auth-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    height: 52px;
    padding: 0 24px;
    font-family: var(--ass-font);
    font-size: 0.9375rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    border-radius: var(--ass-radius);
    border: none;
    cursor: pointer;
    transition: all var(--ass-transition);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.auth-btn-primary {
    background: linear-gradient(135deg, #FF5722, #E64A19);
    color: #fff;
    box-shadow: var(--ass-shadow-primary);
}

    .auth-btn-primary:hover {
        transform: translateY(-1px);
        box-shadow: 0 12px 32px rgba(255, 87, 34, 0.38);
    }

    .auth-btn-primary:active {
        transform: translateY(0);
    }

    .auth-btn-primary::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, transparent 30%, rgba(255,255,255,0.18) 50%, transparent 70%);
        transform: translateX(-100%);
        transition: transform 0.6s;
    }

    .auth-btn-primary:hover::before {
        transform: translateX(100%);
    }

.auth-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.auth-btn .spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    display: none;
}

.auth-btn.is-loading .spinner {
    display: inline-block;
}

.auth-btn.is-loading .btn-label {
    opacity: 0.85;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ═══════════ DIVISOR ═══════════ */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 1.5rem 0;
    color: var(--ass-ink-light);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

    .auth-divider::before,
    .auth-divider::after {
        content: '';
        flex: 1;
        height: 1px;
        background: var(--ass-border);
    }

/* ═══════════ LINKS ═══════════ */
.auth-link {
    color: var(--ass-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--ass-transition);
}

    .auth-link:hover {
        color: var(--ass-primary-dark);
        text-decoration: underline;
    }

.auth-row-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

/* ═══════════ ALERTAS ═══════════ */
.auth-alert {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    border-radius: var(--ass-radius);
    font-size: 0.8125rem;
    line-height: 1.5;
    margin-bottom: 1.25rem;
    border: 1px solid transparent;
}

    .auth-alert i {
        font-size: 1.125rem;
        flex-shrink: 0;
        margin-top: 1px;
    }

.auth-alert-danger {
    background: rgba(239, 68, 68, 0.06);
    color: #991B1B;
    border-color: rgba(239, 68, 68, 0.18);
}

.auth-alert-success {
    background: rgba(16, 185, 129, 0.06);
    color: #065F46;
    border-color: rgba(16, 185, 129, 0.18);
}

.auth-alert-info {
    background: var(--ass-primary-soft);
    color: var(--ass-primary-dark);
    border-color: rgba(255, 87, 34, 0.18);
}

.auth-alert ul {
    margin: 0;
    padding-left: 1.25rem;
}

    .auth-alert ul li + li {
        margin-top: 2px;
    }

/* ═══════════ RODAPÉ ═══════════ */
.auth-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-top: 1.5rem;
    font-size: 0.75rem;
    color: var(--ass-ink-muted);
    flex-wrap: wrap;
}

.auth-footer-links {
    display: flex;
    gap: 16px;
}

    .auth-footer-links a {
        color: var(--ass-ink-muted);
        text-decoration: none;
        transition: color var(--ass-transition);
    }

        .auth-footer-links a:hover {
            color: var(--ass-primary);
        }

/* ═══════════ TOAST ═══════════ */
.toast {
    background: var(--ass-ink);
    color: #fff;
    border-radius: var(--ass-radius);
    box-shadow: var(--ass-shadow-lg);
    font-size: 0.875rem;
}

/* ═══════════ RESPONSIVO ═══════════ */
@media (max-width: 992px) {
    .auth-shell {
        grid-template-columns: 1fr;
    }

    .auth-brand-panel {
        display: none;
    }

    .auth-form-panel {
        padding: 1.5rem 1.25rem;
    }

    .auth-mobile-header {
        display: flex;
        justify-content: center;
    }

    .auth-form-wrapper {
        align-items: flex-start;
        padding-top: 1rem;
    }

    .auth-title {
        font-size: 1.625rem;
    }
}

@media (max-width: 480px) {
    .auth-form-panel {
        padding: 1.25rem 1rem;
    }

    .auth-title {
        font-size: 1.5rem;
    }

    .auth-input {
        height: 50px;
        font-size: 16px; /* evita zoom iOS */
    }

    .auth-btn {
        height: 50px;
    }

    .auth-footer {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
}

/* Acessibilidade */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}