/* ===== ESTILOS RESPONSIVOS PARA LOGINS ===== */

/* Base comum para todos os logins */
.login-responsive-base {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.login-responsive-container {
    max-width: 450px;
    margin: 0 auto;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border-radius: 15px;
    overflow: hidden;
    background: white;
}

.login-responsive-header {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
    padding: 2rem;
    text-align: center;
}

.login-responsive-header h2 {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.login-responsive-header p {
    margin-bottom: 0;
    opacity: 0.9;
}

.login-responsive-body {
    padding: 2rem;
}

.login-responsive-form-control {
    border-radius: 8px;
    border: 1px solid #ced4da;
    padding: 12px 16px;
    font-size: 1rem;
    background-color: #ffffff;
    color: #495057;
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.login-responsive-form-control:hover {
    border-color: #adb5bd;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.login-responsive-form-control:focus {
    border-color: #4facfe;
    box-shadow: 0 0 0 0.2rem rgba(79, 172, 254, 0.25);
    outline: none;
    background-color: #ffffff;
}

.login-responsive-form-control::placeholder {
    color: #6c757d;
    opacity: 1;
}

.login-responsive-form-label {
    font-weight: 600;
    color: #495057;
    margin-bottom: 0.5rem;
}

.login-responsive-btn {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    border: none;
    border-radius: 10px;
    padding: 12px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    width: 100%;
}

.login-responsive-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(79, 172, 254, 0.4);
}

.login-responsive-btn:disabled {
    opacity: 0.7;
    transform: none;
    box-shadow: none;
}

.login-responsive-btn:focus {
    box-shadow: 0 0 0 0.2rem rgba(79, 172, 254, 0.25);
}

.login-responsive-alert {
    border-radius: 10px;
    border: none;
}

.login-responsive-link {
    text-decoration: none;
    color: #6c757d;
    transition: color 0.3s ease;
}

.login-responsive-link:hover {
    color: #495057;
}

/* ===== RESPONSIVIDADE ===== */

/* Tablets (768px e abaixo) */
@media (max-width: 768px) {
    .login-responsive-base {
        padding: 1rem;
    }
    
    .login-responsive-container {
        max-width: 100%;
        margin: 0;
    }
    
    .login-responsive-header {
        padding: 1.5rem;
    }
    
    .login-responsive-header h2 {
        font-size: 1.5rem;
    }
    
    .login-responsive-body {
        padding: 1.5rem;
    }
    
    .login-responsive-form-control {
        padding: 14px 16px;
        font-size: 1rem;
    }
    
    .login-responsive-btn {
        padding: 14px;
        font-size: 1.1rem;
    }
}

/* Celulares (576px e abaixo) */
@media (max-width: 576px) {
    .login-responsive-base {
        padding: 0.5rem;
    }
    
    .login-responsive-header {
        padding: 1.25rem;
    }
    
    .login-responsive-header h2 {
        font-size: 1.25rem;
    }
    
    .login-responsive-header p {
        font-size: 0.9rem;
    }
    
    .login-responsive-body {
        padding: 1.25rem;
    }
    
    .login-responsive-form-control {
        padding: 12px 14px;
    }
    
    .login-responsive-btn {
        padding: 12px;
    }
    
    /* Ícones menores em telas pequenas */
    .login-responsive-header .bi {
        font-size: 3rem !important;
    }
}

/* ===== TEMA ESPECÍFICO PARA ALUNOS ===== */
.login-aluno-theme .login-responsive-header {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.login-aluno-theme .login-responsive-btn {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.login-aluno-theme .login-responsive-btn:hover {
    box-shadow: 0 5px 15px rgba(40, 167, 69, 0.4);
}

.login-aluno-theme .login-responsive-btn:focus {
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

.login-aluno-theme .login-responsive-form-control {
    border: 1px solid #ced4da;
    background-color: #ffffff;
}

.login-aluno-theme .login-responsive-form-control:hover {
    border-color: #28a745;
}

.login-aluno-theme .login-responsive-form-control:focus {
    border-color: #28a745;
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

/* ===== TEMA ESPECÍFICO PARA ADMINISTRADORES ===== */
.login-admin-theme .login-responsive-header {
    background: linear-gradient(135deg, #dc3545 0%, #fd7e14 100%);
}

.login-admin-theme .login-responsive-btn {
    background: linear-gradient(135deg, #dc3545 0%, #fd7e14 100%);
}

.login-admin-theme .login-responsive-btn:hover {
    box-shadow: 0 5px 15px rgba(220, 53, 69, 0.4);
}

.login-admin-theme .login-responsive-btn:focus {
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.login-admin-theme .login-responsive-form-control {
    border: 1px solid #ced4da;
    background-color: #ffffff;
}

.login-admin-theme .login-responsive-form-control:hover {
    border-color: #dc3545;
}

.login-admin-theme .login-responsive-form-control:focus {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

/* ===== ANIMAÇÕES ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-responsive-container {
    animation: fadeInUp 0.6s ease-out;
}

/* ===== MELHORIAS DE ACESSIBILIDADE ===== */
.login-responsive-form-control:focus {
    outline: none;
}

/* Melhor contraste para leitores de tela */
@media (prefers-reduced-motion: reduce) {
    .login-responsive-container {
        animation: none;
    }
    
    .login-responsive-btn:hover {
        transform: none;
    }
    
    .login-responsive-form-control,
    .login-responsive-btn {
        transition: none;
    }
}

/* Alto contraste */
@media (prefers-contrast: high) {
    .login-responsive-form-control {
        border: 3px solid #000;
    }
    
    .login-responsive-form-control:focus {
        border-color: #000;
        box-shadow: 0 0 0 0.2rem rgba(0, 0, 0, 0.5);
    }
}