/* wwwroot/css/batch-create.css */

:root {
    --primary: #1a56db; --primary-light: #e8f0fd; --primary-dark: #1341b0;
    --success: #0d9f6e; --success-light: #e3f8f0;
    --warning: #c27803; --warning-light: #fdf3e0;
    --danger:  #c81e1e; --danger-light:  #fde8e8;
    --info:    #0694a2; --info-light:    #e0f7f9;
    --gray-50: #f9fafb; --gray-100: #f3f4f6; --gray-200: #e5e7eb;
    --gray-300: #d1d5db; --gray-400: #9ca3af; --gray-500: #6b7280;
    --gray-600: #4b5563; --gray-700: #374151; --gray-800: #1f2937; --gray-900: #111827;
    --sidebar-w: 300px; --font: 'Vazirmatn', sans-serif;
    --radius-sm: 6px; --radius-md: 8px; --radius-lg: 12px; --radius-xl: 16px;
    --shadow-md: 0 4px 16px rgba(0,0,0,.08); --shadow-lg: 0 8px 32px rgba(0,0,0,.12);
    --transition: .15s ease;
}

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

/* مشکل ۱۸: به جای overflow:hidden روی body از CSS Grid استفاده می‌شود */
body {
    font-family: var(--font);
    background: var(--gray-50);
    color: var(--gray-800);
    font-size: 14px;
    line-height: 1.6;
    height: 100vh;
    display: grid;
    grid-template-rows: auto 1fr auto;
    overflow: hidden;
}

/* ─── Header ─── */
.batch-header {
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
    position: relative;
    z-index: 10;
}
.batch-header .logo { display: flex; align-items: center; gap: 8px; color: var(--gray-700); font-weight: 600; font-size: 14px; }
.batch-header .logo-mark { width: 28px; height: 28px; background: var(--primary); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 14px; }
.progress-bar { flex: 1; max-width: 240px; height: 6px; background: var(--gray-200); border-radius: 4px; overflow: hidden; }
.progress-bar-fill { height: 100%; background: var(--primary); border-radius: 4px; transition: width .3s; }
.progress-label { font-size: 12px; color: var(--gray-400); }

/* ─── Body Layout ─── */
.batch-body { display: flex; overflow: hidden; }

/* ─── Sidebar ─── */
.batch-sidebar {
    width: var(--sidebar-w);
    background: #fff;
    border-left: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow: hidden;
}
.sidebar-open-btn { display: none; }
.batch-sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 99; }
.batch-sidebar-overlay.active { display: block; }

.source-panel { border-bottom: 1px solid var(--gray-200); padding: 16px; }
.source-badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; background: var(--info-light); color: var(--info); border-radius: 20px; font-size: 11px; font-weight: 600; margin-bottom: 8px; }
.source-title { font-weight: 600; font-size: 14px; color: var(--gray-900); margin-bottom: 4px; }
.source-meta  { font-size: 12px; color: var(--gray-400); }
.source-mapping { margin-top: 10px; padding: 8px; background: var(--gray-50); border-radius: var(--radius-md); font-size: 12px; color: var(--gray-600); display: flex; align-items: center; gap: 6px; }
.source-preview { margin-top: 8px; font-size: 12px; color: var(--gray-500); line-height: 1.5; max-height: 72px; overflow: hidden; position: relative; }
.source-preview::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 24px; background: linear-gradient(transparent, #fff); }

.draft-list-header { padding: 12px 16px; border-bottom: 1px solid var(--gray-100); display: flex; align-items: center; justify-content: space-between; }
.draft-list-header .title { font-size: 12px; font-weight: 600; color: var(--gray-400); text-transform: uppercase; letter-spacing: .04em; }
.draft-list { flex: 1; overflow-y: auto; padding: 8px; }

.draft-item { border: 1px solid var(--gray-200); border-radius: var(--radius-md); padding: 10px 12px; margin-bottom: 6px; cursor: pointer; transition: all var(--transition); position: relative; }
.draft-item:hover { border-color: var(--gray-300); background: var(--gray-50); }
.draft-item.active  { border-color: var(--primary); background: var(--primary-light); }
.draft-item.invalid { border-color: var(--danger); background: var(--danger-light); }
.draft-item.valid   { border-color: var(--success); }
.draft-item .draft-num   { font-size: 10px; color: var(--gray-400); margin-bottom: 2px; }
.draft-item .draft-title { font-size: 13px; font-weight: 500; color: var(--gray-800); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.draft-item .draft-badges { display: flex; gap: 4px; margin-top: 4px; flex-wrap: wrap; }

.draft-status { position: absolute; top: 8px; left: 8px; width: 8px; height: 8px; border-radius: 50%; }
.status-valid  { background: var(--success); }
.status-invalid{ background: var(--danger); }
.status-dirty  { background: var(--warning); }
.status-empty  { background: var(--gray-300); }

.add-draft-btn { margin: 8px; padding: 10px; border: 1.5px dashed var(--gray-300); border-radius: var(--radius-md); text-align: center; cursor: pointer; color: var(--gray-400); font-size: 13px; transition: all var(--transition); }
.add-draft-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }

/* ─── Editor ─── */
.batch-editor { flex: 1; overflow-y: auto; padding: 24px; background: var(--gray-50); }
.editor-card { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius-xl); overflow: hidden; max-width: 860px; margin: 0 auto; }
.editor-card-header { padding: 16px 20px; border-bottom: 1px solid var(--gray-200); display: flex; align-items: center; gap: 12px; }

/* ─── Validation panel ─── */
.validation-panel { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius-lg); padding: 16px; max-width: 860px; margin: 0 auto 16px; display: none; }
.validation-panel.has-errors { display: block; border-color: var(--danger); }
.val-item { display: flex; align-items: center; gap: 8px; padding: 6px 0; font-size: 12px; cursor: pointer; border-bottom: 1px solid var(--gray-100); }
.val-item:last-child { border-bottom: none; }
.val-item:hover { color: var(--primary); }
.val-icon.err { color: var(--danger); }

/* ─── Forms ─── */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 12px; font-weight: 500; color: var(--gray-600); margin-bottom: 5px; }
.form-label .req { color: var(--danger); }
.form-control { width: 100%; padding: 7px 11px; border: 1px solid var(--gray-300); border-radius: var(--radius-md); font-family: var(--font); font-size: 13px; color: var(--gray-800); background: #fff; transition: border var(--transition); }
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,86,219,.1); }
.form-control:disabled { background: var(--gray-100); color: var(--gray-400); cursor: not-allowed; }
textarea.form-control { resize: vertical; min-height: 80px; }
.form-row   { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }

.section-title { font-size: 11px; font-weight: 600; color: var(--gray-400); text-transform: uppercase; letter-spacing: .06em; margin: 20px 0 12px; display: flex; align-items: center; gap: 8px; }
.section-title::after { content: ''; flex: 1; height: 1px; background: var(--gray-200); }

/* ─── Badges ─── */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 7px; border-radius: 20px; font-size: 10px; font-weight: 500; }
.badge-primary  { background: var(--primary-light); color: var(--primary); }
.badge-success  { background: var(--success-light); color: var(--success); }
.badge-warning  { background: var(--warning-light); color: var(--warning); }
.badge-danger   { background: var(--danger-light);  color: var(--danger); }
.badge-gray     { background: var(--gray-100);       color: var(--gray-600); }
.badge-info     { background: var(--info-light);     color: var(--info); }
.badge-purple   { background: #ede9fe;               color: #5b21b6; }

/* ─── Buttons ─── */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: var(--radius-md); font-family: var(--font); font-size: 13px; font-weight: 500; cursor: pointer; transition: all var(--transition); border: 1px solid transparent; white-space: nowrap; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary   { background: var(--primary);      color: #fff;            border-color: var(--primary); }
.btn-primary:hover:not(:disabled)   { background: var(--primary-dark); }
.btn-secondary { background: #fff;                color: var(--gray-700); border-color: var(--gray-200); }
.btn-secondary:hover:not(:disabled) { background: var(--gray-50); border-color: var(--gray-300); }
.btn-success   { background: var(--success);      color: #fff;            border-color: var(--success); }
.btn-danger    { background: #fff;                color: var(--danger);   border-color: var(--danger); }
.btn-ghost     { background: transparent;         color: var(--gray-500); border-color: transparent; }
.btn-ghost:hover:not(:disabled) { background: var(--gray-100); color: var(--gray-800); }
.btn-sm   { padding: 4px 10px; font-size: 12px; }
.btn-icon { padding: 6px; }
.btn .ti  { font-size: 14px; }

/* ─── Answer Options ─── */
.answer-option { display: flex; align-items: flex-start; gap: 8px; padding: 8px 10px; border: 1px solid var(--gray-200); border-radius: var(--radius-md); margin-bottom: 6px; transition: border var(--transition); }
.answer-option.correct { border-color: var(--success); background: var(--success-light); }
.option-mark { width: 22px; height: 22px; flex-shrink: 0; border-radius: 50%; background: var(--gray-100); color: var(--gray-500); font-size: 10px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.answer-option.correct .option-mark { background: var(--success); color: #fff; }

/* ─── TrueFalse ─── */
.tf-option { display: flex; align-items: center; gap: 10px; border-radius: var(--radius-md); padding: 12px; cursor: pointer; }
.tf-correct { border: 1.5px solid var(--success); background: var(--success-light); }
.tf-normal  { border: 1.5px solid var(--gray-200); }

/* ─── Matching Grid ─── */
.matching-grid { display: grid; grid-template-columns: 1fr auto 1fr; gap: 8px; align-items: start; }
.matching-arrow { display: flex; flex-direction: column; gap: 4px; padding-top: 22px; font-size: 18px; color: var(--gray-300); line-height: 40px; }

/* ─── Info boxes ─── */
.info-box { padding: 8px 12px; border-radius: var(--radius-md); font-size: 12px; display: flex; gap: 8px; align-items: flex-start; }
.info-box.info   { background: var(--info-light);   color: var(--info); }
.info-box.warning{ background: var(--warning-light);color: var(--warning); }
.info-box.locked { background: var(--gray-100);     color: var(--gray-500); }

/* ─── Tags ─── */
.tag-chip { background: var(--gray-100); color: var(--gray-600); padding: 2px 8px; border-radius: 20px; font-size: 11px; display: inline-flex; align-items: center; gap: 4px; }
.tag-input-box { border: 1px solid var(--gray-300); border-radius: var(--radius-md); padding: 7px; display: flex; flex-wrap: wrap; gap: 5px; align-items: center; }

/* ─── File drop zone ─── */
.file-drop-zone { border: 1.5px dashed var(--gray-200); border-radius: var(--radius-md); color: var(--gray-400); }

/* ─── Footer ─── */
.batch-footer { background: #fff; border-top: 1px solid var(--gray-200); padding: 12px 24px; display: flex; align-items: center; gap: 12px; }
.footer-hint  { font-size: 12px; color: var(--gray-500); display: flex; align-items: center; gap: 4px; }

/* ─── Toast ─── */
.toast-container { position: fixed; bottom: 24px; left: 24px; z-index: 9999; display: flex; flex-direction: column; gap: 6px; }
.toast { display: flex; align-items: center; gap: 8px; padding: 10px 14px; background: var(--gray-900); color: #fff; border-radius: var(--radius-lg); font-size: 12px; box-shadow: var(--shadow-lg); animation: slideUp .2s ease; min-width: 240px; }
.toast.success { background: var(--success); }
.toast.danger  { background: var(--danger); }

/* ─── Animations ─── */
@keyframes slideUp { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
@keyframes spin     { from { transform: rotate(0deg); }               to { transform: rotate(360deg); } }

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--gray-200); border-radius: 8px; }

/* ════════════════════════════════════════
   RESPONSIVE PATCH
   ════════════════════════════════════════ */
@media (max-width: 900px) {
    .batch-header { height: auto; flex-wrap: wrap; padding: 8px 14px; gap: 8px; }
    .progress-bar { max-width: 160px; }
    .progress-label { font-size: 11px; }
}

@media (max-width: 768px) {
    body { overflow-x: hidden; overflow-y: auto; height: auto; display: flex; flex-direction: column; }

    .batch-header { padding: 8px 12px; gap: 6px; flex-wrap: wrap; }
    .batch-header .progress-bar,
    .batch-header .progress-label { display: none; }

    .sidebar-open-btn {
        display: inline-flex; align-items: center; gap: 5px;
        padding: 5px 10px; border-radius: var(--radius-md);
        background: #fff; border: 1px solid var(--gray-200);
        font-family: var(--font); font-size: 12px; font-weight: 500;
        cursor: pointer; color: var(--gray-700); white-space: nowrap;
    }

    .batch-body { overflow: visible; flex-direction: column; height: auto; flex: 1; }

    /* sidebar: آف‌کانواس */
    .batch-sidebar {
        position: fixed; top: 0; right: 0; bottom: 0;
        width: 280px; z-index: 200;
        transform: translateX(100%);
        transition: transform .25s ease;
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
    }
    .batch-sidebar.open { transform: translateX(0); }

    .batch-editor { width: 100%; padding: 12px; overflow-y: visible; height: auto; }
    .editor-card  { max-width: 100%; }
    .editor-card-header { padding: 12px 14px; }

    .validation-panel { max-width: 100%; margin-bottom: 10px; }

    .form-row   { grid-template-columns: 1fr !important; }
    .form-row-3 { grid-template-columns: 1fr 1fr !important; }

    /* matching: تک‌ستون در موبایل */
    .matching-grid { grid-template-columns: 1fr !important; }
    .matching-arrow { display: none; } /* پیکان‌ها در موبایل پنهان */

    .batch-footer {
        padding: 10px 12px; flex-wrap: wrap; gap: 6px;
        position: sticky; bottom: 0; background: #fff; z-index: 10;
    }
    .footer-hint { display: none; }

    .toast-container { left: 10px; right: 10px; bottom: 70px; }
    .toast { min-width: unset; width: 100%; }

    .section-title { margin: 14px 0 8px; font-size: 10px; }
    .answer-option { padding: 6px 8px; }
}

@media (max-width: 480px) {
    .batch-header { padding: 6px 10px; }
    .form-row-3   { grid-template-columns: 1fr !important; }
    .batch-footer { padding: 8px 10px; }
}