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

body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    color: #222;
    padding: 16px;
}

.box {
    max-width: 10000px;
    margin: 0 auto;
    background: #ffd6d6;
    border: 1px solid #ddd;
    border-radius: 8px;
    height: 1000px;
}

header {
    background: #2e8b57;
    color: #ffd6d6;
    padding: 16px;
    text-align: center;
}

header h1 { font-size: 24px; }

nav {
    padding: 12px 16px;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

nav button {
    background: #ffd6d6;
    border: 1px solid #d0d3dd;
    padding: 8px 14px;
    border-radius: 6px;
    cursor: pointer;
    color: #1f2a44;
}

nav button.active {
    background: #2e8b57;
    color: #ffd6d6;
    border-color: #2e8b57;
}

.view { 
    display: none; 
    padding: 16px; 
}
.view.active, #dashboard { 
    display: block;
 }

#dashboard .page {
     display: grid; gap: 12px;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); 
}
.page.card { 
    background: #2e8b57; 
    border: 1px solid #2e8b57; 
    padding: 14px; 
    border-radius: 8px; 
    text-align: center;
    color: #fff;
 }
.page.card h3 { font-size: 22px; color: #fff; }

[id="form box"] { 
    background: #ffd6d6; 
    border: 1px solid #e3e3e3; 
    padding: 16px; 
    border-radius: 8px; }


.form.group { margin-bottom: 12px; }

label { 
    display: block; 
    margin-bottom: 6px; 
    font-weight: 600; }
input, textarea { 
    width: 100%; 
    padding: 10px; 
    border: 1px solid #ccc; 
    border-radius: 6px; }
textarea { 
    min-height: 90px; 
    resize: vertical; 
}

.button_2, .normal { 
    background: #e0e0e0; 
    color: #222; }

.Search.bar {
     margin-bottom: 12px; 
    }
.Search.bar input, [id="Search input"] { 
    width: 100%; 
    max-width: 450px;
 }

[id="course list"], .course.list {
     display: grid; 
     grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); 
    }
.course.card { 
    background: #ffffff; 
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 14px;
 }
.course.card h3 {
     margin-bottom: 8px; 
     color: #1f2a44; 
     font-size: 18px; 
    }
.course.card p {
     margin: 8px 0; 
     color: #555; 
    }
.course.card .actions {
     display: flex; 
     gap: 8px; 
     margin-top: 10px; 
    }
.course.card .actions button { 
    flex: 1; 
    padding: 8px; 
    border: 1px solid #ccc; 
    border-radius: 6px; 
}

.button_1, .button_2, .nav.button { 
    padding: 10px 18px; 
    border: 1px solid #ccc; 
    border-radius: 6px; 
    cursor: pointer; }
.button_1 { 
    background: #2e8b57;
    color: #ffd6d6; 
    border-color: #2e8b57;
}

.empty-state {
     text-align: center; 
     padding: 30px 12px; 
     color: #666; 
    }
.alert { 
    padding: 12px; 
    border-radius: 6px; 
    margin-bottom: 12px; 
    border: 1px solid #ddd; }
.alert-success { 
    background: #f6e7e7; 
    border-color: #cbe8cb; 
}
.alert-error { 
    background: #eb0606;
     border-color: #f3c2c2;
     }