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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1a1f36 0%, #2d3561 50%, #1a1f36 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* ===========================
   Wrapper e Card
=========================== */
.login-wrapper {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-card {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
    padding: 48px 40px;
    width: 100%;
    max-width: 420px;
    animation: fadeInUp 0.4s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
   Cabeçalho
=========================== */
.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.35);
}

.login-icon i {
    font-size: 30px;
    color: #ffffff;
}

.login-header h1 {
    font-size: 22px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 6px;
}

.login-header p {
    font-size: 14px;
    color: #64748b;
}

/* ===========================
   Alerta de Erro
=========================== */
.alert {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 24px;
}

.alert-erro {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
}

/* ===========================
   Grupos de Formulário
=========================== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 8px;
}

.form-group label i {
    margin-right: 4px;
    color: #6366f1;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid #e2e8f0;
    border-radius: 8px;
    font-size: 15px;
    color: #1e293b;
    background: #f8fafc;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.form-group input:focus {
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    background: #ffffff;
}

.form-group input::placeholder {
    color: #cbd5e1;
}

/* ===========================
   Campo de Senha com Toggle
=========================== */
.input-senha {
    position: relative;
    display: flex;
    align-items: center;
}

.input-senha input {
    padding-right: 48px;  /* Espaço para o botão */
}

.btn-toggle-senha {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    cursor: pointer;
    color: #94a3b8;
    font-size: 16px;
    padding: 4px;
    transition: color 0.2s;
    display: flex;
    align-items: center;
}

.btn-toggle-senha:hover {
    color: #6366f1;
}

/* ===========================
   Botão de Entrar
=========================== */
.btn-entrar {
    width: 100%;
    padding: 13px;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
    transition: opacity 0.2s, transform 0.1s, box-shadow 0.2s;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4);
}

.btn-entrar:hover {
    opacity: 0.93;
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.5);
}

.btn-entrar:active {
    transform: scale(0.98);
}

/* ===========================
   Rodapé do Card
=========================== */
.login-footer {
    text-align: center;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid #f1f5f9;
}

.login-footer p {
    font-size: 12px;
    color: #94a3b8;
}

/* ===========================
   Responsividade
=========================== */
@media (max-width: 480px) {
    .login-card {
        padding: 36px 24px;
    }

    .login-header h1 {
        font-size: 20px;
    }
}