/* --- General Styling for the Container --- */
.container1 {
    font-family: Arial, sans-serif;
    max-width: 1200px; /* Limit overall width */
    margin: 20px auto; /* Center the container */
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.container1 h2 {
    text-align: center;
    color: #333;
    margin-bottom: 25px;
    font-size: 2em;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}

/* --- Flexbox for Filter and Search Groups --- */
.filter-search-section {
    display: flex;
    flex-direction: column; /* Key change: Stacks filter-group and search-group vertically */
    gap: 20px; /* Space between filter-group and search-group */
    margin-bottom: 20px;
    /* justify-content: space-between; Removed as groups are now stacked */
}

.filter-group,
.search-group {
    display: flex;
    flex-wrap: wrap; /* Allows individual selects/inputs to wrap */
    gap: 15px; /* Space between items within a group */
    /* flex: 1; Removed as groups are now stacked and will take full width */
    /* min-width: 300px; Removed, let it adapt */
    width: 100%; /* Ensure groups take full width */
    justify-content: center; /* Center items if they don't fill the whole row */
}

/* --- Styled Selects --- */
.styled-select {
    flex: 1; /* Allows selects to grow/shrink */
    min-width: 180px; /* Minimum width for each select */
    max-width: 250px; /* Optional: set a max-width for uniformity */
    padding: 12px 15px;
    border: 1px solid #ccc;
    border-radius: 6px;
    background-color: #fff;
    font-size: 1rem;
    color: #555;
    appearance: none; /* Removes default browser styling for select */
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg fill="%23444" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/><path d="M0 0h24v24H0z" fill="none"/></svg>'); /* Custom arrow */
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 20px;
    cursor: pointer;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.styled-select:hover {
    border-color: #007bff;
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.3);
}

.styled-select:focus {
    outline: none;
    border-color: #0056b3;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.4);
}

/* --- Styled Inputs (Search Boxes) --- */
.styled-input {
    flex: 1; /* Allows inputs to grow/shrink */
    min-width: 200px; /* Minimum width for each input */
    max-width: 300px; /* Optional: set a max-width for uniformity */
    padding: 12px 15px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
    color: #555;
    background-color: #fff;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.styled-input::placeholder {
    color: #999;
}

.styled-input:hover {
    border-color: #007bff;
}

.styled-input:focus {
    outline: none;
    border-color: #0056b3;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.4);
}

/* --- Responsive Adjustments --- */
@media (max-width: 768px) {
    /* On smaller screens, the groups are already stacked vertically by default now. */
    /* So, we just need to ensure the items within the groups stack. */
    .filter-group,
    .search-group {
        flex-direction: column; /* Stacks individual selects/inputs within their groups */
        align-items: center; /* Center them when stacked vertically */
    }

    .styled-select,
    .styled-input {
        width: 100%; /* Make each select/input take full width when stacked */
        min-width: unset; /* Remove min-width to allow full width */
        max-width: 300px; /* Keep a sensible max-width for readability even at 100% */
    }
}

/* Style for the edit course link */
.edit_course_link {
    display: inline-flex; /* Allows icon and text to align */
    align-items: center;
    gap: 5px; /* Space between icon and text */
    padding: 8px 15px; /* Adjust padding as needed */
    border-radius: 5px; /* Slightly rounded corners */
    text-decoration: none; /* Remove underline */
    color: #ffffff; /* White text color */
    background-color: #007bff; /* A nice blue background */
    border: 1px solid #007bff; /* Matching border */
    transition: background-color 0.3s ease, border-color 0.3s ease, transform 0.1s ease;
    font-weight: 500; /* Slightly bolder text */
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* Subtle shadow */
}

/* Hover effect */
.edit_course_link:hover {
    background-color: #0056b3; /* Darker blue on hover */
    border-color: #0056b3; /* Darker border on hover */
    color: #ffffff; /* Keep text white */
    transform: translateY(-1px); /* Slight lift effect */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); /* More pronounced shadow */
}

/* Active (click) effect */
.edit_course_link:active {
    background-color: #004085; /* Even darker blue on click */
    border-color: #004085; /* Even darker border on click */
    transform: translateY(0); /* "Press down" effect */
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15); /* Smaller shadow on click */
}

/* Icon specific styling within the link */
.edit_course_link .edit-icon i {
    font-size: 1rem; /* Adjust icon size if needed */
    margin-right: 0; /* Already handled by gap on parent */
}

/* --- Form Input Styling --- */
.input_class {
    margin-bottom: 15px; /* Spacing between input groups */
}

.input_class label {
    display: block; /* Make labels appear above inputs */
    margin-bottom: 5px; /* Space between label and input */
    font-weight: 600; /* Slightly bolder labels */
    color: #333; /* Darker text for labels */
    font-size: 0.95rem;
}

.course_input {
    width: 100%; /* Full width for inputs */
    padding: 10px 12px; /* Comfortable padding */
    border: 1px solid #ced4da; /* Light gray border */
    border-radius: 6px; /* Slightly more rounded corners */
    font-size: 1rem; /* Standard font size */
    color: #495057; /* Darker text inside input */
    box-sizing: border-box; /* Include padding and border in the element's total width and height */
    transition: border-color 0.3s ease, box-shadow 0.3s ease; /* Smooth transitions for focus effects */
}

.course_input::placeholder {
    color: #8c96a0; /* Lighter placeholder text */
    opacity: 1; /* Ensure placeholder is visible across browsers */
}

.course_input:focus {
    border-color: #80bdff; /* Blue border on focus */
    outline: 0; /* Remove default outline */
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25); /* Subtle blue shadow on focus */
}

/* --- Button Section Styling --- */
.button-section {
    display: flex; /* Arrange buttons in a row */
    gap: 15px; /* Space between buttons */
    margin-top: 25px; /* Space above the button section */
    justify-content: flex-start; /* Align buttons to the start */
    flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
}

/* --- Base Button Styling --- */
.add-btn,
.clear-btn {
    display: inline-flex; /* Align icon and text */
    align-items: center;
    gap: 8px; /* Space between icon and text */
    padding: 10px 20px; /* Comfortable padding for buttons */
    border-radius: 8px; /* Nicely rounded buttons */
    font-size: 1rem; /* Standard font size */
    font-weight: 600; /* Bolder text for buttons */
    cursor: pointer; /* Indicate clickable element */
    transition: background-color 0.3s ease, transform 0.15s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    text-decoration: none; /* Remove underline from button text if any */
}

/* --- Add Button Specific Styling --- */
.add-btn {
    background-color: #28a745; /* Green for add */
    color: #fff; /* White text */
    border: 1px solid #28a745; /* Matching border */
    box-shadow: 0 4px 8px rgba(40, 167, 69, 0.2); /* Green shadow */
}

.add-btn:hover {
    background-color: #218838; /* Darker green on hover */
    border-color: #1e7e34;
    transform: translateY(-2px); /* Slight lift */
    box-shadow: 0 6px 12px rgba(40, 167, 69, 0.3); /* More pronounced shadow */
}

.add-btn:active {
    background-color: #1e7e34; /* Even darker green on click */
    border-color: #1c7430;
    transform: translateY(0); /* Press down effect */
    box-shadow: 0 2px 4px rgba(40, 167, 69, 0.15); /* Smaller shadow */
}

/* --- Clear Button Specific Styling --- */
.clear-btn {
    background-color: #dc3545; /* Red for clear/danger */
    color: #fff; /* White text */
    border: 1px solid #dc3545; /* Matching border */
    box-shadow: 0 4px 8px rgba(220, 53, 69, 0.2); /* Red shadow */
}

.clear-btn:hover {
    background-color: #c82333; /* Darker red on hover */
    border-color: #bd2130;
    transform: translateY(-2px); /* Slight lift */
    box-shadow: 0 6px 12px rgba(220, 53, 69, 0.3); /* More pronounced shadow */
}

.clear-btn:active {
    background-color: #bd2130; /* Even darker red on click */
    border-color: #b21f2d;
    transform: translateY(0); /* Press down effect */
    box-shadow: 0 2px 4px rgba(220, 53, 69, 0.15); /* Smaller shadow */
}

/* --- Icon inside buttons --- */
.add-btn .icon,
.clear-btn .icon {
    font-size: 1.1rem; /* Slightly larger icons */
}

/* --- Responsiveness for smaller screens --- */
@media (max-width: 576px) {
    .button-section {
        flex-direction: column; /* Stack buttons vertically on small screens */
        gap: 10px; /* Adjust gap for vertical stacking */
    }

    .add-btn,
    .clear-btn {
        width: 100%; /* Full width for buttons on small screens */
    }
}

/* --- Button Section Layout --- */
.button-section {
    display: flex;
    flex-wrap: wrap; /* Allows buttons to wrap to the next line on smaller screens */
    gap: 20px; /* Increased space between buttons for better visual separation */
    margin-top: 25px; /* Space above the button section */
    justify-content: center; /* Center buttons horizontally for a balanced look */
    align-items: center; /* Align items vertically if they have different heights */
}

/* --- Base Styling for All Action Buttons --- */
.action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center; /* Center content (icon + text) within the button */
    gap: 10px; /* Space between icon and text (increased from 8px) */
    padding: 12px 25px; /* More generous padding for larger, more clickable buttons */
    border-radius: 10px; /* Slightly more rounded corners for a modern look */
    font-size: 1.05rem; /* Slightly larger font size for better readability */
    font-weight: 600; /* Bolder text */
    cursor: pointer;
    text-decoration: none; /* Ensure no underlines */
    transition: background-color 0.3s ease, transform 0.15s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    box-sizing: border-box; /* Include padding and border in the element's total width and height */
    min-width: 160px; /* Ensure a minimum width for uniformity */
    height: 50px; /* Set a consistent height */
    white-space: nowrap; /* Prevent text from wrapping inside the button */
}

/* --- Icon Specific Styling (Larger Icons) --- */
.action-btn .button-icon {
    font-size: 1.4rem; /* Significantly larger icons */
    line-height: 1; /* Helps with vertical alignment */
}

/* --- Primary Action Button (e.g., Add Course) --- */
.primary-action-btn {
    background-color: #28a745; /* Green */
    color: #fff;
    border: 1px solid #28a745;
    box-shadow: 0 5px 12px rgba(40, 167, 69, 0.3); /* Enhanced shadow */
}

.primary-action-btn:hover {
    background-color: #218838; /* Darker green */
    border-color: #1e7e34;
    transform: translateY(-3px); /* More pronounced lift */
    box-shadow: 0 8px 16px rgba(40, 167, 69, 0.4); /* Larger shadow on hover */
}

.primary-action-btn:active {
    background-color: #1e7e34;
    border-color: #1c7430;
    transform: translateY(0); /* Press down effect */
    box-shadow: 0 2px 5px rgba(40, 167, 69, 0.2); /* Smaller shadow on click */
}

/* --- Danger Action Button (e.g., Delete Course) --- */
.danger-action-btn {
    background-color: #dc3545; /* Red */
    color: #fff;
    border: 1px solid #dc3545;
    box-shadow: 0 5px 12px rgba(220, 53, 69, 0.3); /* Enhanced shadow */
}

.danger-action-btn:hover {
    background-color: #c82333; /* Darker red */
    border-color: #bd2130;
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(220, 53, 69, 0.4);
}

.danger-action-btn:active {
    background-color: #bd2130;
    border-color: #b21f2d;
    transform: translateY(0);
    box-shadow: 0 2px 5px rgba(220, 53, 69, 0.2);
}


.secondary-action-btn {
    background-color: #ffc107; 
    background-color: #fd7e14; 
    background-color: #6c757d;
    color: #fff; 
    border: 1px solid #6c757d;
    box-shadow: 0 5px 12px rgba(108, 117, 125, 0.3);
}

.secondary-action-btn:hover {
    background-color: #5a6268;
    border-color: #545b62;
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(108, 117, 125, 0.4);
}

.secondary-action-btn:active {
    background-color: #545b62;
    border-color: #4e555b;
    transform: translateY(0);
    box-shadow: 0 2px 5px rgba(108, 117, 125, 0.2);
}


*/
.secondary-action-btn { /* For "Clear Details" */
    background-color: #ff4d4d; /* A slightly softer red */
    color: #fff;
    border: 1px solid #ff4d4d;
    box-shadow: 0 5px 12px rgba(255, 77, 77, 0.3);
}

.secondary-action-btn:hover {
    background-color: #e60000; /* Darker red */
    border-color: #cc0000;
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(255, 77, 77, 0.4);
}

.secondary-action-btn:active {
    background-color: #cc0000;
    border-color: #b30000;
    transform: translateY(0);
    box-shadow: 0 2px 5px rgba(255, 77, 77, 0.2);
}


/* --- Responsiveness --- */
@media (max-width: 768px) {
    .action-btn {
        padding: 10px 20px; /* Slightly less padding on smaller screens */
        font-size: 0.95rem; /* Slightly smaller text */
        min-width: 140px; /* Reduce minimum width */
        height: 45px; /* Reduce height */
    }

    .action-btn .button-icon {
        font-size: 1.2rem; /* Slightly smaller icons */
    }
}

@media (max-width: 576px) {
    .button-section {
        flex-direction: column; /* Stack buttons vertically on very small screens */
        gap: 15px; /* Adjust gap for vertical stacking */
    }

    .action-btn {
        width: 100%; /* Full width for buttons on small screens */
        min-width: unset; /* Remove min-width to allow full width */
        height: 50px; /* Keep consistent height for full-width buttons */
        padding: 12px 25px; /* Restore padding for full-width buttons */
    }
}