/* Portal Acadêmico - Prof. Nery Aguiar Junior */

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --dark-bg: #1a252f;
    --light-bg: #ecf0f1;
    --text-color: #2c3e50;
    --light-text: #ffffff;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --info-color: #3498db;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* Login Page Styles */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    max-width: 400px;
    width: 100%;
    animation: fadeInUp 0.6s ease;
}

.login-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 2rem;
    text-align: center;
}

.portal-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.professor-name {
    font-size: 1rem;
    opacity: 0.9;
    margin: 0;
}

.login-body {
    padding: 2rem;
}

.login-body h2 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.login-description {
    color: #666;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-control {
    border: 2px solid #e1e8ed;
    border-radius: var(--border-radius);
    padding: 12px 16px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

.btn-access {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    border: none;
    color: white;
    transition: var(--transition);
}

.btn-access:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.login-message {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 500;
}

.login-message.error {
    background-color: #fee;
    color: var(--danger-color);
    border: 1px solid #fcc;
}

.login-message.success {
    background-color: #efe;
    color: var(--success-color);
    border: 1px solid #cfc;
}

.login-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.9);
    padding: 1rem;
    text-align: center;
    color: #666;
    font-size: 0.9rem;
}

/* Hub Page Styles */
.hub-container {
    background: var(--light-bg);
    min-height: 100vh;
}

.hub-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.hub-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.hub-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

.hub-description {
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem 2rem;
    margin: 2rem auto 0;
    border-radius: var(--border-radius);
    max-width: 800px;
}

.disciplines-section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2rem;
    font-weight: 600;
}

.discipline-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    height: 100%;
    border: none;
}

.discipline-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.discipline-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.discipline-title {
    color: var(--primary-color);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.discipline-description {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.btn-discipline {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    border: none;
    color: white;
    padding: 10px 30px;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
}

.btn-discipline:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
    color: white;
}

/* Info Section */
.info-section {
    background: white;
    padding: 4rem 0;
}

.info-card {
    background: var(--light-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
}

.info-title {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.info-list {
    list-style: none;
    padding: 0;
}

.info-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #ddd;
}

.info-list li:last-child {
    border-bottom: none;
}

.info-list li i {
    color: var(--secondary-color);
    margin-right: 0.5rem;
}

/* Footer */
.main-footer {
    background: var(--dark-bg);
    color: white;
    padding: 3rem 0 2rem;
    text-align: center;
}

/* Discipline Page Styles */
.discipline-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 2rem 0;
}

.discipline-nav {
    background: white;
    box-shadow: var(--box-shadow);
    padding: 1rem 0;
    margin-bottom: 2rem;
}

.nav-pills .nav-link {
    color: var(--text-color);
    border-radius: var(--border-radius);
    margin: 0 0.25rem;
    transition: var(--transition);
}

.nav-pills .nav-link.active {
    background: var(--secondary-color);
}

.nav-pills .nav-link:hover {
    background: rgba(52, 152, 219, 0.1);
}

.content-section {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2rem;
    margin-bottom: 2rem;
}

.content-title {
    color: var(--primary-color);
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

.file-list {
    list-style: none;
    padding: 0;
}

.file-item {
    background: var(--light-bg);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.file-item:hover {
    background: #d5dbdb;
}

.file-link {
    color: var(--text-color);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.file-link:hover {
    color: var(--secondary-color);
}

.file-icon {
    margin-right: 0.75rem;
    color: var(--secondary-color);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hub-title {
        font-size: 2rem;
    }
    
    .hub-subtitle {
        font-size: 1rem;
    }
    
    .discipline-card {
        margin-bottom: 2rem;
    }
    
    .login-card {
        margin: 1rem;
    }
    
    .portal-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 576px) {
    .hub-header {
        padding: 2rem 0;
    }
    
    .disciplines-section {
        padding: 2rem 0;
    }
    
    .login-header,
    .login-body {
        padding: 1.5rem;
    }
}