/* ========================================
   Bank Soal - halaman guru menambah & menelusuri soal
   ======================================== */

.bs-layout {
    width: 100%;
    display: grid;
    /* Bank Soal Tersimpan tampil duluan (kiri) tapi lebih ramping; Tambah
       Soal Baru menyusul (kanan) dan justru diberi kolom yang lebih lebar. */
    grid-template-columns: minmax(340px, 480px) 1fr;
    gap: 20px;
    align-items: start;
    padding: 20px 24px 32px;
}

.bs-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(131, 56, 236, 0.08) 100%);
    border: 2px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    padding: 24px 26px 28px;
    animation: fadeIn 0.4s ease;
}

.bs-card-title {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 6px;
}

.bs-card-subtitle {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 22px;
    line-height: 1.5;
}

/* ---------- Form ---------- */

.bs-text-input,
.bs-textarea {
    width: 100%;
    padding: 11px 14px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-input);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
}

.bs-text-input:focus,
.bs-textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.bs-select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%237a86b8'%3E%3Cpath fill-rule='evenodd' d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z' clip-rule='evenodd'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 16px;
    padding-right: 40px;
}

.bs-select option {
    background: var(--bg-input);
    color: var(--text-primary);
}

.bs-textarea {
    min-height: 64px;
}

.bs-options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.bs-option-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.bs-option-label {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    color: var(--accent);
}

.bs-correct-picker {
    display: flex;
    gap: 10px;
}

.bs-correct-btn {
    flex: 1;
    padding: 12px 8px;
    border-radius: 10px;
    border: 2px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 800;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Poppins', sans-serif;
}

.bs-correct-btn:hover {
    border-color: var(--accent);
}

.bs-correct-btn.active {
    border-color: var(--success);
    background: linear-gradient(135deg, rgba(0, 255, 65, 0.25) 0%, rgba(0, 217, 255, 0.15) 100%);
    box-shadow: 0 0 14px rgba(0, 255, 65, 0.25);
}

.bs-inline-fields {
    display: flex;
    gap: 14px;
    margin-bottom: 26px;
}

.bs-inline-field {
    flex-shrink: 0;
    width: 120px;
}

.bs-inline-field--grow {
    flex: 1;
    width: auto;
}

.bs-inline-field label {
    display: block;
    margin-bottom: 8px;
}

.bs-form-msg {
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 13px;
    margin-bottom: 16px;
    line-height: 1.5;
}

.bs-form-msg--success {
    background: rgba(0, 255, 65, 0.12);
    border: 1px solid rgba(0, 255, 65, 0.35);
    color: #baffcf;
}

.bs-form-msg--error {
    background: rgba(255, 71, 87, 0.12);
    border: 1px solid rgba(255, 71, 87, 0.4);
    color: #ffc2c8;
}

.bs-form-msg--info {
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.35);
    color: #c9f4ff;
}

.bs-status {
    display: block;
    margin: 0 0 0.75rem;
}

.bs-submit-btn {
    width: 100%;
    padding: 16px;
    font-size: 15px;
}

/* ---------- Browser / bank soal tersimpan ---------- */

.bs-browser-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.bs-browser-header .bs-card-title {
    margin-bottom: 0;
}

.bs-minimize-btn {
    flex-shrink: 0;
    padding: 8px 14px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: 'Poppins', sans-serif;
    white-space: nowrap;
}

.bs-minimize-btn:hover {
    border-color: var(--border-light);
    color: var(--text-primary);
}

.bs-browser-body {
    margin-top: 18px;
}

.bs-browser-card.bs-collapsed .bs-browser-body {
    display: none;
}

.bs-browser-card.bs-collapsed {
    padding-bottom: 20px;
}

.bs-search-input {
    margin-bottom: 18px;
}

.bs-tree {
    max-height: 74vh;
    overflow-y: auto;
    padding-right: 4px;
}

.bs-tree-empty,
.bs-tree-loading {
    color: var(--text-muted);
    font-size: 14px;
    padding: 24px 8px;
    text-align: center;
}

.bs-tree-jenjang {
    margin-bottom: 18px;
}

.bs-tree-jenjang-title {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--accent);
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border);
}

.bs-tree-kelas {
    margin-bottom: 14px;
}

.bs-tree-kelas-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
}

.bs-tree-kategori {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 14px;
    margin-bottom: 10px;
}

.bs-tree-kategori-title {
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 8px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.bs-tree-count {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: none;
    letter-spacing: 0;
}

.bs-tree-materi-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.bs-tree-materi-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 13px;
}

.bs-tree-materi-row:hover {
    border-color: var(--border-light);
    background: rgba(255, 255, 255, 0.06);
}

.bs-materi-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.bs-materi-count {
    flex-shrink: 0;
    color: var(--text-muted);
    font-size: 12px;
}

.bs-question-preview {
    margin: 6px 0 8px 8px;
    padding-left: 12px;
    border-left: 2px solid var(--border-light);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.bs-preview-loading,
.bs-preview-error {
    font-size: 12px;
    color: var(--text-muted);
    padding: 6px 0;
}

.bs-question-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 12.5px;
}

.bs-question-item-text {
    font-weight: 600;
    margin-bottom: 6px;
    line-height: 1.5;
}

.bs-question-item-opts {
    color: var(--text-secondary);
    margin-bottom: 6px;
    line-height: 1.6;
}

.bs-question-item-answer {
    color: var(--success);
    font-weight: 600;
    margin-bottom: 8px;
}

@media (max-width: 900px) {
    .bs-layout {
        grid-template-columns: minmax(0, 1fr);   /* minmax(0, ...) supaya kartu tidak melebar melewati layar HP */
        padding: 16px 14px 28px;
    }

    .bs-card {
        min-width: 0;
    }

    .bs-options-grid {
        grid-template-columns: 1fr;
    }

    .bs-inline-fields {
        flex-direction: column;
    }

    .bs-inline-field {
        width: 100%;
    }
}

/* ---------- Mode tabs (Isi Satu-Satu vs Tempel Massal) ---------- */

.bs-mode-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 14px;
}

.bs-mode-tab {
    flex: 1;
    padding: 10px 12px;
    border-radius: 10px;
    border: 2px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: 'Poppins', sans-serif;
}

.bs-mode-tab:hover {
    color: var(--text-primary);
    border-color: var(--border-light);
}

.bs-mode-tab.active {
    border-color: var(--accent);
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.18) 0%, rgba(131, 56, 236, 0.14) 100%);
    color: var(--text-primary);
}

/* ---------- Blok soal dinamis (mode "Isi Satu-Satu") ---------- */

.bs-form-block {
    border: 1px solid var(--border);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.025);
    padding: 16px 16px 4px;
    margin-bottom: 16px;
}

.bs-block-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.bs-block-title {
    font-weight: 700;
    font-size: 14px;
    color: var(--accent);
}

.bs-block-delete-btn {
    background: rgba(255, 71, 87, 0.12);
    border: 1px solid rgba(255, 71, 87, 0.35);
    color: #ffc2c8;
    border-radius: 8px;
    width: 30px;
    height: 30px;
    cursor: pointer;
    font-size: 13px;
    transition: var(--transition-fast);
}

.bs-block-delete-btn:hover {
    background: rgba(255, 71, 87, 0.28);
}

.bs-block-delete-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.bs-add-block-btn {
    width: 100%;
    padding: 13px;
    border-radius: 12px;
    border: 2px dashed var(--border-light);
    background: transparent;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: 'Poppins', sans-serif;
    margin-bottom: 18px;
}

.bs-add-block-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(0, 217, 255, 0.05);
}

/* ---------- Mode "Tempel Banyak Sekaligus" ---------- */

.bs-bulk-guide {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 14px;
    font-size: 11.5px;
    line-height: 1.6;
    color: var(--text-secondary);
    white-space: pre-wrap;
    font-family: 'Courier New', monospace;
    margin-bottom: 14px;
    overflow-x: auto;
}

.bs-bulk-toolbar {
    margin-bottom: 10px;
}

.bs-bulk-upload-btn {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    padding: 9px 16px;
    font-size: 12.5px;
}

.bs-bulk-textarea {
    min-height: 220px;
    font-family: 'Courier New', monospace;
    font-size: 12.5px;
    line-height: 1.6;
    margin-bottom: 12px;
}

.bs-preview-btn {
    width: 100%;
    margin-bottom: 16px;
}

.bs-bulk-preview {
    border-radius: 10px;
    padding: 14px 16px;
    margin-bottom: 16px;
    font-size: 13px;
    line-height: 1.6;
}

.bs-bulk-preview--ok {
    background: rgba(0, 255, 65, 0.1);
    border: 1px solid rgba(0, 255, 65, 0.3);
    color: #baffcf;
}

.bs-bulk-preview--error {
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.35);
    color: #ffc2c8;
}

.bs-bulk-preview-list {
    margin: 10px 0 0;
    padding-left: 20px;
}

.bs-bulk-preview-list li {
    margin-bottom: 4px;
}