/* Advance filter styles */
@media (max-width: 1024px) {
    .advance-filter {
        display: none !important;
    }
}
.advance-filter {
    display: flex;
    align-items: center;
    gap: 10px;
}
.advance-filter label {
    font-weight: 500;
    color: var(--text);
}
.advance-input {
    padding: 7px 16px 7px 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--card);
    color: var(--text);
    font-size: 15px;
    transition: border-color 0.2s, background 0.2s;
    min-width: 180px;
}
.advance-input:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--surface);
}
/* Trimester and More filter styles */
/* Courses Filter Interface Layout */
.courses-filter-interface {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 18px;
}
.filter-row-1 {
        display: flex;
        gap: 18px;
        align-items: center;
}
.trimester-filter, .more-filter {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 50%;
    box-sizing: border-box;
}
.trimester-filter label, .more-filter label {
    font-weight: 500;
    color: var(--text);
    margin-right: 6px;
}
.trimester-select, .more-select {
    padding: 7px 16px 7px 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--card);
    color: var(--text);
    font-size: 15px;
    transition: border-color 0.2s, background 0.2s;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}
.trimester-select:focus, .more-select:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--surface);
}
.filter-row-2 {
    display: flex;
    gap: 12px;
    align-items: center;
}
.search-input {
    flex: 1 1 auto;
    padding: 9px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--input-bg);
    color: var(--text);
    font-size: 15px;
    transition: border-color 0.2s, background 0.2s;
    min-width: 0;
}
.search-input:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--surface);
}
.search-reset.minimal {
    background: #fff;
    color: #2D3436;
    border: 1px solid #E9ECEF;
    border-radius: 8px;
    padding: 9px 22px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    box-shadow: none;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.search-reset.minimal:hover, .search-reset.minimal:active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
/* Courses page styles */
.courses-list {
    display: grid;
    gap: 12px;
}

/* Search bar */
.course-search { display: grid; gap: 8px; }

.search-field { position: relative; }

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--muted);
    pointer-events: none;
}

.course-search .search-input {
    width: 100%;
    padding: 10px 40px 10px 38px; /* space for icon and clear */
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--card);
    color: var(--text);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.course-search .search-input::placeholder { color: var(--muted); }

.course-search .search-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--focus-ring, rgba(255, 111, 0, 0.15));
    background: var(--surface);
}

.search-clear {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    border: 1px solid var(--border);
    background: var(--card);
    color: var(--muted);
    border-radius: 8px;
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
    opacity: 0;
    pointer-events: none;
}

.search-clear.show { opacity: 1; pointer-events: auto; }

.search-clear:hover { border-color: var(--accent); color: var(--accent); background: var(--surface); }

.search-meta { font-size: 12px; color: var(--muted); padding: 0 2px; }

.no-results {
    margin-top: 12px;
    padding: 14px;
    border: 1px dashed var(--border);
    border-radius: 10px;
    background: var(--card);
    color: var(--text);
    text-align: center;
}

.center-btn {
  display: block;
  margin: 18px auto 0 auto;
  text-align: center;
  max-width: 220px;
}

.course-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--card);
    color: var(--text);
    transition: background 0.2s, color 0.2s;
}

[data-theme="dark"] .course-item {
    background: var(--card);
    color: var(--text);
    border-color: var(--border);
}

.course-info h3 {
    margin: 0 0 4px;
    font-weight: 600;
}

.course-schedule {
    color: var(--muted);
    font-size: 14px;
}

.course-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.course-materials {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .course-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .course-actions {
        width: 100%;
        justify-content: space-between;
    }
}