/* Variáveis CSS para o tema azul */
:root {
    --primary-blue: #1e40af;
    --secondary-blue: #3b82f6;
    --light-blue: #60a5fa;
    --dark-blue: #1e3a8a;
    --accent-blue: #06b6d4;
    --gradient-blue: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #06b6d4 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b  50%, #334155 100%);
    --white: #ffffff;
    --light-gray: #f8fafc;
    --gray: #64748b;
    --dark-gray: #334155;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --shadow: 0 10px 25px rgba(30, 64, 175, 0.2);
    --shadow-lg: 0 20px 40px rgba(30, 64, 175, 0.3);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Corpo da página de autenticação */
.auth-body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--gradient-blue);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
}

/* Garantir scroll quando necessário */
@media (max-height: 750px) {
    .auth-body {
        align-items: flex-start;
        padding-top: 20px;
        padding-bottom: 20px;
    }
}

/* Efeito de ondas animadas no fundo */
.auth-body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="%23ffffff10"><path d="M0,50 C150,30 300,70 500,50 C700,30 850,70 1000,50 L1000,100 L0,100 Z"/></svg>') repeat-x;
    background-size: 1000px 100px;
    animation: wave 20s ease-in-out infinite;
    z-index: 1;
}

@keyframes wave {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(-50px); }
}

/* Container principal */
.auth-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 400px;
}

/* Card de autenticação */
.auth-card {
    background: var(--white);
    padding: 30px 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: slideUp 0.6s ease-out;
    width: 100%;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Logo */
.logo {
    text-align: center;
    margin-bottom: 25px;
}

.logo h1 {
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 5px;
    text-shadow: 0 4px 8px rgba(30, 64, 175, 0.3);
}

.logo p {
    color: var(--gray);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Alertas */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 500;
    animation: fadeIn 0.3s ease-out;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

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

/* Abas */
.auth-tabs {
    display: flex;
    margin-bottom: 30px;
    background: var(--light-gray);
    border-radius: 10px;
    padding: 4px;
}

.tab-btn {
    flex: 1;
    padding: 12px 20px;
    border: none;
    background: transparent;
    color: var(--gray);
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.tab-btn.active {
    background: var(--gradient-blue);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
    transform: translateY(-1px);
}

.tab-btn:hover:not(.active) {
    color: var(--primary-blue);
    background: rgba(30, 64, 175, 0.05);
}

/* Formulários */
.auth-form {
    display: none;
    animation: fadeInUp 0.4s ease-out;
}

.auth-form.active {
    display: block;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Grupos de input */
.input-group {
    margin-bottom: 20px;
    position: relative;
}

/* Username com prefixo @ */
.username-group {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.username-prefix {
    position: absolute;
    left: 16px;
    top: 16px;
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-blue);
    z-index: 2;
    pointer-events: none;
}

.username-group input {
    padding-left: 32px !important;
}

.field-hint {
    display: block;
    width: 100%;
    font-size: 0.75rem;
    color: var(--gray);
    margin-top: 4px;
    padding-left: 4px;
}

.input-group input.invalid ~ .field-hint {
    color: var(--error);
}

.input-group input.valid ~ .field-hint {
    color: var(--success);
}

.input-group input {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 500;
    background: var(--white);
    color: var(--dark-gray);
    transition: var(--transition);
}

.input-group input:focus {
    outline: none;
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

.input-group input::placeholder {
    color: var(--gray);
    font-weight: 400;
}

/* Botões */
.btn {
    width: 100%;
    padding: 16px 24px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--gradient-blue);
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(30, 64, 175, 0.4);
}

.btn-primary:active {
    transform: translateY(-1px);
}

/* Links */
.forgot-password, .terms {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--gray);
}

.forgot-password a, .terms a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.forgot-password a:hover, .terms a:hover {
    color: var(--secondary-blue);
    text-decoration: underline;
}

/* Responsividade */
@media (max-width: 480px) {
    .auth-card {
        padding: 30px 20px;
    }
    
    .logo h1 {
        font-size: 2rem;
    }
    
    .tab-btn {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    
    .input-group input {
        padding: 14px 16px;
    }
    
    .btn {
        padding: 14px 20px;
    }
}

/* Efeitos especiais para mobile */
@media (hover: none) and (pointer: coarse) {
    .btn-primary:hover {
        transform: none;
        box-shadow: var(--shadow);
    }
    
    .input-group input:focus {
        transform: none;
    }
}

/* Animação de loading */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    to { left: 100%; }
}

/* Micro-interações */
.input-group input:not(:placeholder-shown) {
    border-color: var(--light-blue);
}

.input-group input:valid {
    border-color: var(--success);
}

.input-group input:invalid:not(:focus):not(:placeholder-shown) {
    border-color: var(--error);
}

/* Media Queries para Responsividade */
@media (max-height: 700px) {
    .auth-body {
        padding: 10px;
    }
    
    .auth-card {
        padding: 20px 20px;
        max-height: calc(100vh - 20px);
    }
    
    .logo {
        margin-bottom: 15px;
    }
    
    .logo h1 {
        font-size: 1.8rem;
    }
    
    .logo p {
        font-size: 0.85rem;
    }
    
    .input-group {
        margin-bottom: 15px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
}

@media (max-height: 600px) {
    .auth-card {
        padding: 15px 15px;
    }
    
    .logo {
        margin-bottom: 10px;
    }
    
    .logo h1 {
        font-size: 1.6rem;
        margin-bottom: 2px;
    }
    
    .input-group {
        margin-bottom: 12px;
    }
    
    .auth-tabs {
        margin-bottom: 15px;
    }
}

@media (max-width: 480px) {
    .auth-body {
        padding: 15px;
    }
    
    .auth-container {
        max-width: 100%;
    }
    
    .auth-card {
        padding: 25px 20px;
    }
}

@media (max-height: 500px) {
    .auth-body {
        align-items: flex-start;
        padding: 5px;
        overflow-y: auto;
    }
    
    .auth-container {
        min-height: auto;
        margin: 10px 0;
    }
    
    .auth-card {
        padding: 15px;
        margin: 0;
        max-height: none;
    }
    
    .logo h1 {
        font-size: 1.4rem;
    }
    
    .logo p {
        display: none;
    }
}

/* Media query específica para o formulário de cadastro */
@media (max-height: 650px) {
    .auth-form:not(.active) {
        display: none;
    }
    
    .auth-form.active {
        display: block;
    }
    
    .input-group {
        margin-bottom: 12px;
    }
    
    .terms {
        font-size: 0.8rem;
        margin-top: 10px;
    }
    
    .forgot-password {
        margin-top: 10px;
        font-size: 0.85rem;
    }
}

/* ============================
   Forgot Password Flow
   ============================ */

.forgot-flow {
    display: none;
}

.forgot-flow.active {
    display: block;
}

.forgot-step {
    display: none;
    animation: fadeInUp 0.4s ease-out;
}

.forgot-step.active {
    display: block;
}

.forgot-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.forgot-header h3 {
    margin: 0;
    font-size: 1.3rem;
    color: var(--dark-gray);
    font-weight: 700;
}

.back-btn {
    background: none;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--gray);
    transition: var(--transition);
    flex-shrink: 0;
}

.back-btn:hover {
    border-color: var(--secondary-blue);
    color: var(--secondary-blue);
    background: rgba(59, 130, 246, 0.05);
}

.forgot-description {
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 20px;
}

/* Code digit inputs */
.code-inputs {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 24px;
}

.code-digit {
    width: 48px;
    height: 56px;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    background: var(--white);
    color: var(--dark-gray);
    transition: var(--transition);
    outline: none;
    caret-color: var(--secondary-blue);
}

.code-digit:focus {
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    transform: translateY(-2px);
}

.code-digit.filled {
    border-color: var(--secondary-blue);
    background: rgba(59, 130, 246, 0.05);
}

.code-digit.error {
    border-color: var(--error);
    animation: shake 0.4s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Resend code */
.resend-code {
    text-align: center;
    margin-top: 16px;
    font-size: 0.85rem;
    color: var(--gray);
}

.resend-code a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.resend-code a:hover {
    color: var(--secondary-blue);
    text-decoration: underline;
}

/* Success icon */
.success-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, #10b981, #34d399);
    color: white;
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
    animation: popIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popIn {
    0% { transform: scale(0); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

/* Forgot message */
.forgot-message {
    padding: 10px 14px;
    border-radius: 8px;
    margin-top: 16px;
    font-size: 0.85rem;
    font-weight: 500;
    text-align: center;
    animation: fadeIn 0.3s ease-out;
}

.forgot-message.msg-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.forgot-message.msg-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.forgot-message.msg-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--secondary-blue);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* Step 4 centered */
#forgotStep4 {
    text-align: center;
}

#forgotStep4 h3 {
    color: var(--success);
    font-size: 1.4rem;
    margin-bottom: 10px;
}

/* Responsive code inputs */
@media (max-width: 380px) {
    .code-digit {
        width: 40px;
        height: 48px;
        font-size: 1.2rem;
    }
    
    .code-inputs {
        gap: 5px;
    }
}

/* Melhorias de acessibilidade */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================
   Password Toggle Button
   ============================ */
.password-group {
    position: relative;
}

.password-group input {
    padding-right: 48px !important;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray);
    transition: var(--transition);
    z-index: 2;
    border-radius: 6px;
}

.toggle-password:hover {
    color: var(--secondary-blue);
    background: rgba(59, 130, 246, 0.08);
}

.toggle-password:focus {
    outline: none;
}

/* ============================
   Inline Error Message
   ============================ */
.inline-error {
    color: var(--error);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 12px;
    padding: 8px 12px;
    background: rgba(239, 68, 68, 0.08);
    border-radius: 8px;
    border: 1px solid rgba(239, 68, 68, 0.15);
    animation: fadeIn 0.3s ease-out;
}