:root { 
    --primary: #007bff; 
    --bg: #f0f2f5; 
    --text: #1c1e21; 
    --card-bg: #ffffff; 
    --border: #dee2e6; 
    --danger: #dc3545; 
}

body { 
    font-family: -apple-system, sans-serif; 
    margin: 0; 
    padding: 0; 
    background: var(--bg); 
    color: var(--text); 
}

.header { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    padding: 15px 20px; 
    background: #fff; 
    border-bottom: 1px solid #ddd; 
}

.header h1 { margin: 0; font-size: 1.1rem; }
.header a { text-decoration: none; color: #65676b; font-weight: bold; }

.container { padding: 20px; max-width: 500px; margin: 0 auto; }

.card { 
    background: var(--card-bg); 
    padding: 25px; 
    border-radius: 12px; 
    box-shadow: 0 2px 8px rgba(0,0,0,0.05); 
}

label { 
    display: block; 
    font-weight: bold; 
    margin-bottom: 8px; 
    font-size: 0.9rem; 
    color: #4b4f56; 
}

input[type="datetime-local"] { 
    width: 100%; 
    padding: 12px; 
    margin-bottom: 20px; 
    border: 1px solid var(--border); 
    border-radius: 8px; 
    font-size: 1rem; 
    box-sizing: border-box; 
}

.btn-save { 
    width: 100%; 
    padding: 15px; 
    background: var(--primary); 
    color: white; 
    border: none; 
    border-radius: 8px; 
    font-weight: bold; 
    font-size: 1rem; 
    cursor: pointer; 
}

.delete-section { margin-top: 30px; text-align: center; }
.btn-delete { 
    background: none; 
    border: none; 
    color: var(--danger); 
    font-size: 0.9rem; 
    cursor: pointer; 
    text-decoration: underline; 
}
/* Add these to your existing edit_run.css */
.input-group {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.input-group input[type="number"] {
    flex: 1;
}

/* Optional: Make the clear button slightly distinct */
.adjust-btn[onclick*="stop_time"].value {
    border-color: #f5c2c7;
}

.adjust-btn:hover {
    background: #e4e6eb;
}