/* ==========================================================================
   Nullax Studios - Painel Admin - Estilo Premium (Glassmorphism & Neon Glow)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* --- Variáveis de Design --- */
:root {
    --nullax-purple: #a82bff;
    --nullax-purple-hover: #bc62ff;
    --nullax-purple-glow: rgba(168, 43, 255, 0.35);
    
    --bg-dark: #060606;
    --bg-card: rgba(18, 18, 18, 0.55);
    --border-glass: rgba(168, 43, 255, 0.15);
    --border-glass-focus: rgba(168, 43, 255, 0.5);
    
    --text-primary: #ffffff;
    --text-secondary: #c3c3c6;
    --text-muted: #7d7d85;
    
    --success-green: #00e676;
    --success-glow: rgba(0, 230, 118, 0.25);
    --error-red: #ff3d00;
    --warning-orange: #ff9100;
}

/* --- Reset & Reset Base --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* --- Fundo Animado Premium (Mesh Gradient) --- */
.mesh-background {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-dark);
    overflow: hidden;
    z-index: -2;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.18;
    pointer-events: none;
    transform-origin: center;
}

.orb-1 {
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--nullax-purple) 0%, transparent 70%);
    top: -15%;
    left: -10%;
    animation: floatOrb1 25s infinite alternate ease-in-out;
}

.orb-2 {
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, #5710ff 0%, transparent 70%);
    bottom: -20%;
    right: -10%;
    animation: floatOrb2 30s infinite alternate ease-in-out;
}

@keyframes floatOrb1 {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(8%, 12%) scale(1.1); }
    100% { transform: translate(-5%, 5%) scale(0.95); }
}

@keyframes floatOrb2 {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-10%, -8%) scale(1.05); }
    100% { transform: translate(5%, 10%) scale(0.9); }
}

/* --- Container e Layout Geral --- */
.admin-container {
    width: 100%;
    max-width: 520px;
    padding: 40px 20px;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

/* --- Botão Discreto de Voltar --- */
.back-link {
    align-self: flex-start;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    padding: 6px 12px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.back-link:hover {
    color: var(--text-primary);
    background: rgba(168, 43, 255, 0.1);
    border-color: rgba(168, 43, 255, 0.2);
    transform: translateX(-3px);
}

/* --- Card de Autenticação (Glassmorphism) --- */
.auth-card {
    background: var(--bg-card);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 40px 35px;
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.6),
        0 0 50px rgba(168, 43, 255, 0.04);
    transition: border-color 0.5s ease, box-shadow 0.5s ease;
}

.auth-card:hover {
    border-color: rgba(168, 43, 255, 0.25);
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.7),
        0 0 60px rgba(168, 43, 255, 0.08);
}

/* --- Cabeçalho do Card --- */
.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.admin-logo {
    width: 120px;
    height: auto;
    margin-bottom: 15px;
    filter: drop-shadow(0 0 8px rgba(168, 43, 255, 0.3));
    animation: pulseLogo 3s infinite alternate ease-in-out;
}

@keyframes pulseLogo {
    0% { transform: scale(1); filter: drop-shadow(0 0 6px rgba(168, 43, 255, 0.2)); }
    100% { transform: scale(1.03); filter: drop-shadow(0 0 14px rgba(168, 43, 255, 0.45)); }
}

.admin-title {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--text-primary);
    text-transform: uppercase;
    margin-bottom: 5px;
    background: linear-gradient(135deg, #ffffff 50%, #dfb3ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.admin-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* --- Alternador de Abas (Tabs) --- */
.tabs-container {
    display: flex;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 4px;
    margin-bottom: 30px;
}

.tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 12px;
    cursor: pointer;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    background: rgba(168, 43, 255, 0.15);
    color: #ffffff;
    border: 1px solid rgba(168, 43, 255, 0.25);
    box-shadow: 0 4px 15px rgba(168, 43, 255, 0.1);
    text-shadow: 0 0 10px rgba(168, 43, 255, 0.3);
}

/* --- Formulários e Inputs --- */
.form-content {
    position: relative;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

.input-wrapper {
    position: relative;
    width: 100%;
}

.input-wrapper input {
    width: 100%;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 14px 16px 14px 44px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: all 0.3s ease;
}

.input-wrapper input::placeholder {
    color: var(--text-muted);
}

/* --- Foco nos Inputs com Brilho Neon --- */
.input-wrapper input:focus {
    border-color: var(--border-glass-focus);
    background: rgba(0, 0, 0, 0.5);
    box-shadow: 
        0 0 15px rgba(168, 43, 255, 0.15),
        inset 0 0 8px rgba(168, 43, 255, 0.05);
}

/* Ícones internos dos Inputs */
.input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1rem;
    transition: color 0.3s ease;
    pointer-events: none;
}

.input-wrapper input:focus ~ .input-icon {
    color: var(--nullax-purple);
}

/* Toggle Mostrar/Ocultar Senha */
.password-toggle {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: color 0.2s;
}

.password-toggle:hover {
    color: var(--text-primary);
}

.forgot-password {
    font-size: 0.8rem;
    color: var(--nullax-purple);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.forgot-password:hover {
    color: var(--nullax-purple-hover);
    text-decoration: underline;
}

.input-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.4;
    margin-top: 2px;
}

/* --- Botão Principal de Acesso (Purple Glow Gradient) --- */
.submit-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--nullax-purple) 0%, #7d1eff 100%);
    border: none;
    border-radius: 10px;
    padding: 14px 20px;
    color: #ffffff;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 20px var(--nullax-purple-glow);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.submit-btn:hover {
    background: linear-gradient(135deg, var(--nullax-purple-hover) 0%, #8b30ff 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(168, 43, 255, 0.5);
}

.submit-btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 10px var(--nullax-purple-glow);
}

.submit-btn.secondary {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(168, 43, 255, 0.3);
    color: #ffffff;
    box-shadow: none;
}

.submit-btn.secondary:hover {
    background: rgba(168, 43, 255, 0.12);
    border-color: var(--nullax-purple);
    box-shadow: 0 0 15px rgba(168, 43, 255, 0.2);
}

/* Spinner de Carregamento */
.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-top: 2px solid #ffffff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* --- Separador (Divider) --- */
.divider {
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 500;
    margin: 10px 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.divider:not(:empty)::before {
    margin-right: 15px;
}

.divider:not(:empty)::after {
    margin-left: 15px;
}

/* --- Botão Google Sign-In Premium (Glass) --- */
.google-btn {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 13px 20px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.3s ease;
}

.google-btn:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

.google-icon {
    display: block;
    flex-shrink: 0;
}

/* --- Passos e Animação de Cadastro --- */
.step-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
    max-height: 1200px;
    overflow: visible;
}

/* Seção do Cadastro que vai expandir */
.step-container.hidden-details {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
    margin-top: 0;
    padding-top: 0;
    transform: translateY(30px);
}

.step-badge {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 6px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.step-badge.success {
    background: rgba(0, 230, 118, 0.1);
    border-color: rgba(0, 230, 118, 0.3);
    color: var(--success-green);
    box-shadow: 0 0 10px rgba(0, 230, 118, 0.05);
}

/* Caixa de mensagens (feedback) */
.message-box {
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 0.85rem;
    font-weight: 500;
    line-height: 1.4;
    display: none;
    animation: slideIn 0.3s ease-out;
}

.message-box.error {
    display: block;
    background: rgba(255, 61, 0, 0.1);
    border: 1px solid rgba(255, 61, 0, 0.3);
    color: #ff8a65;
}

.message-box.success {
    display: block;
    background: rgba(0, 230, 118, 0.1);
    border: 1px solid rgba(0, 230, 118, 0.3);
    color: #b9f6ca;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Medidor de Força de Senha --- */
.strength-meter {
    height: 4px;
    width: 100%;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 2px;
    margin-top: 4px;
    overflow: hidden;
}

.strength-bar {
    height: 100%;
    width: 0%;
    border-radius: 2px;
    transition: width 0.4s ease, background-color 0.4s ease;
}

.strength-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
    transition: color 0.3s;
}

.error-label {
    font-size: 0.75rem;
    color: #ff8a65;
    margin-top: 4px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* Pulsar botão finalizado */
.pulse-glow {
    animation: buttonPulse 2.5s infinite alternate;
}

@keyframes buttonPulse {
    0% { box-shadow: 0 4px 18px rgba(168, 43, 255, 0.35); }
    100% { box-shadow: 0 4px 28px rgba(168, 43, 255, 0.65); }
}

/* --- Rodapé Discreto --- */
.admin-footer {
    text-align: center;
    z-index: 1;
}

.admin-footer p {
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

/* --- Responsividade Mobile --- */
@media (max-width: 480px) {
    .auth-card {
        padding: 30px 20px;
    }
    
    .admin-title {
        font-size: 1.4rem;
    }
    
    .admin-logo {
        width: 100px;
    }
    
    .admin-container {
        padding: 20px 10px;
    }
}