/* study/css/main-study.css */
body {
    background-color: #f0f2f5;
    font-family: 'Poppins', sans-serif;
}

.page-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem;
}

.main-header {
    text-align: center;
    margin-bottom: 3rem;
}

.main-header h1 {
    font-size: 2.5rem;
    color: #2c3e50;
}

.main-header .subtitle {
    font-size: 1.2rem;
    color: #7f8c8d;
}

.back-to-main-site {
    display: inline-block;
    margin-top: 1rem;
    color: #2980b9;
    text-decoration: none;
    font-weight: 600;
}

.action-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.action-button {
    color: white;
    text-decoration: none;
}

/* Specific colors for each study section button */
.study-listening { background: linear-gradient(135deg, #007bff, #0056b3); }
.study-reading  { background: linear-gradient(135deg, #6610f2, #4d0bd4); }
.study-writing  { background: linear-gradient(135deg, #28a745, #1e7e34); }
.study-speaking { background: linear-gradient(135deg, #dc3545, #b02a37); }
.study-vocab    { background: linear-gradient(135deg, #ffc107, #d39e00); }