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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: #1a1a1a;
    min-width: 1200px;
    overflow-x: auto;
}

/* Header */
.header {
    background: #1a1a1a;
    color: white;
    padding: 5px 30px;
    display: inline-flex;
    align-items: center;
    gap: 20px;
}

.header-img {
    height: 100px;
    width: 100px;
    object-fit: contain;
    border-radius: 5px;
    display: block;
}

.header-title {
    font-size: 16px;
    font-weight: 500;
}

.header-subtitle {
    font-size: 13px;
    font-weight: normal;
    opacity: 0.8;
}

/* Container */
.container {
    display: flex;
    flex: 1;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: white;
    padding: 30px 25px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    border: 1px solid #ddd;
}

.unit-name {
    text-align: center;
    padding-bottom: 20px;
    border-bottom: 2px solid #ddd;
}

.unit-image {
    max-width: 100%;
    height: auto;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-group label {
    font-size: 13px;
    color: #555;
    font-weight: 600;
}

.form-group input {
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
}

.form-group input:focus {
    outline: none;
    border-color: #666;
}

.btn-entrar {
    background: #666;
    color: white;
    border: none;
    padding: 12px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 5px;
}

.btn-entrar:hover {
    background: #555;
}

.forgot-link {
    color: #666;
    font-size: 13px;
    text-decoration: none;
    text-align: center;
}

.forgot-link:hover {
    text-decoration: underline;
}

.help-message {
    background: #fff0f0;
    padding: 15px;
    border-radius: 5px;
    margin-top: 15px;
}

.help-title {
    color: #c00;
    font-size: 12px;
    font-weight: bold;
    margin-bottom: 8px;
}

.help-message p {
    color: #666;
    font-size: 11px;
    line-height: 1.5;
}

/* Main Content */
.main-content {
    flex: 1;
    background: white;
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.welcome-section {
    text-align: center;
    padding: 20px;
}

.module-title {
    font-size: 16px;
    font-weight: normal;
    color: #333;
    margin-bottom: 10px;
}

.welcome-title {
    font-size: 32px;
    font-weight: bold;
    color: #333;
    margin-bottom: 10px;
}

.period-title {
    font-size: 18px;
    color: #666;
}

/* Notice Box */
.notice-box {
    background: #e8f4fd;
    border: 1px solid #b8d4e8;
    border-radius: 8px;
    padding: 25px;
}

.notice-title {
    color: #1a5276;
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 15px;
    text-align: center;
}

.notice-text {
    color: #333;
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 12px;
}

.notice-text.text-center {
    text-align: center;
}

.btn-portal {
    display: block;
    margin: 20px auto 0;
    background: #9b59b6;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.btn-portal:hover {
    background: #8e44ad;
}

/* Scholarship Bar */
.scholarship-bar {
    background: #1abc9c;
    color: white;
    padding: 15px;
    text-align: center;
    font-size: 16px;
    font-weight: bold;
    border-radius: 5px;
}

.scholarship-section {
    color: #333;
    font-size: 16px;
    margin-bottom: 10px;
}

.scholarship-info p {
    color: #555;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 10px;
}

.scholarship-link {
    color: #3498db;
    font-size: 13px;
    text-decoration: none;
}

.scholarship-link:hover {
    text-decoration: underline;
}

.scholarship-section {
    display: flex;
    gap: 20px;
    align-items: center;
    padding: 20px;
    background: #f9f9f9;
    border: 1px solid #eee;
    border-radius: 8px;
}

.beca-image {
    max-width: 200px;
    width: 100%;
    height: auto;
    border-radius: 8px;
    flex-shrink: 0;
}

/* Footer */
.footer {
    background: #f5f5f5;
    padding: 15px 30px;
    border-top: 1px solid #ddd;
}

.footer p {
    color: #666;
    font-size: 12px;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
    }
    
    .header-title {
        font-size: 12px;
    }
    
    .scholarship-section {
        flex-direction: column;
    }
}