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

:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #e0e7ff;
  --danger: #ef4444;
  --danger-light: #fee2e2;
  --success: #10b981;
  --success-light: #d1fae5;
  --warning: #f59e0b;
  --warning-light: #fef3c7;
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --radius: 12px;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

html { font-size: 17px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f3f4f6;
  color: var(--slate-800);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

header {
  background: white;
  border-bottom: 1px solid var(--slate-200);
  padding: 14px 24px;
  display: flex; align-items: center; gap: 16px;
  box-shadow: var(--shadow-sm);
}
header .logo { font-size: 28px; filter: grayscale(0.2); }
header h1 { font-size: 1.2rem; font-weight: 800; letter-spacing: -0.025em; }
header span { font-size: 0.8rem; color: var(--slate-500); font-weight: 500; }

.wizard {
  max-width: 1200px;
  margin: 16px auto;
  padding: 0 16px;
  height: calc(100vh - 90px);
  display: flex;
  flex-direction: column;
}

/* ===== STEPPER ===== */
.stepper { display: flex; align-items: center; margin-bottom: 16px; padding: 0 8px; }
.step { display: flex; align-items: center; gap: 10px; flex: 1; }
.step:last-child { flex: 0; }
.step-num {
  width: 36px; height: 36px; border-radius: 10px;
  background: white; color: var(--slate-400);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; font-weight: 700; flex-shrink: 0;
  border: 2px solid var(--slate-200);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.step.active .step-num { 
  background: var(--primary); 
  color: white; 
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-light);
  transform: scale(1.05);
}
.step.done .step-num { 
  background: var(--success); 
  color: white; 
  border-color: var(--success);
}
.step-label { font-size: 0.85rem; color: var(--slate-500); white-space: nowrap; font-weight: 600; }
.step.active .step-label { color: var(--primary); font-weight: 700; }
.step.done .step-label { color: var(--success); }
.step-line { 
  flex: 1; height: 2px; background: var(--slate-200); margin: 0 12px; border-radius: 4px; 
  position: relative; overflow: hidden;
}
.step-line.done::after {
  content: ''; position: absolute; left: 0; top: 0; height: 100%; width: 100%;
  background: var(--success);
}

/* ===== CARD ===== */
.card {
  background: white;
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 24px;
  height: 100%;
  display: flex;
  flex-direction: column;
  min-height: 0;
  border: 1px solid var(--slate-200);
}
.card h2 { font-size: 1.3rem; font-weight: 800; margin-bottom: 6px; letter-spacing: -0.025em; }
.card .sub { color: var(--slate-500); font-size: 0.9rem; margin-bottom: 16px; line-height: 1.5; font-weight: 500; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; border-radius: 10px;
  font-size: 0.95rem; font-weight: 600; cursor: pointer;
  border: none; transition: all 0.2s; white-space: nowrap;
  user-select: none;
}
.btn-lg { padding: 14px 32px; font-size: 1.05rem; }
.btn-primary { background: var(--primary); color: white; box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05); }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary { background: white; color: var(--slate-700); border: 1px solid var(--slate-300); }
.btn-secondary:hover { background: var(--slate-50); border-color: var(--slate-400); }

.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #dc2626; box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2); }

.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #059669; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2); }

.btn-sm { padding: 8px 14px; font-size: 0.85rem; border-radius: 8px; }

/* ===== DROPZONE ===== */
.dropzone {
  border: 2px dashed var(--slate-300);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center; cursor: pointer;
  transition: all 0.2s; background: var(--slate-50);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.dropzone:hover { border-color: var(--primary); background: #f5f3ff; }
.dropzone.drag-over { border-color: var(--primary); background: var(--primary-light); }
.dropzone-icon { font-size: 48px; margin-bottom: 8px; }
.dropzone h3 { font-size: 1.1rem; font-weight: 700; color: var(--slate-800); }
.dropzone p { font-size: 0.9rem; color: var(--slate-500); }

.file-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--success-light); color: var(--success);
  border-radius: 10px; padding: 10px 16px;
  font-size: 0.95rem; font-weight: 700; margin-top: 16px;
  border: 1px solid #a7f3d0;
}

/* ===== INFO BOX ===== */
.info-box {
  background: #f0f9ff; border: 1px solid #bae6fd;
  border-radius: 12px; padding: 14px 18px;
  margin: 12px 0; font-size: 0.85rem; line-height: 1.6;
  color: var(--slate-700);
}
.info-box h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; color: #0369a1; display: flex; align-items: center; gap: 8px; }
.info-box ul { margin: 6px 0 0 20px; }
.info-box li { margin-bottom: 2px; }

.example-table {
  margin: 10px 0; border-collapse: collapse;
  font-size: 0.75rem; border: 1px solid var(--slate-200);
  border-radius: 8px; overflow: hidden; width: 100%;
  background: white;
}
.example-table th {
  background: var(--slate-100); padding: 8px 12px; text-align: left;
  font-weight: 700; color: var(--slate-600); border-bottom: 1px solid var(--slate-200);
}
.example-table td { padding: 6px 12px; border-bottom: 1px solid var(--slate-50); }

/* ===== TABLE LIST ===== */
.table-list { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.table-item {
  padding: 14px 18px; border: 2px solid var(--slate-200);
  border-radius: 12px; cursor: pointer; transition: all 0.2s;
  font-size: 0.95rem; color: var(--slate-700);
  background: white;
}
.table-item:hover { border-color: var(--primary); background: var(--slate-50); }
.table-item.selected { border-color: var(--primary); background: #f5f3ff; }

.table-item-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.table-item-header b { font-size: 1rem; color: var(--slate-800); }
.tbl-stat { font-size: 0.8rem; color: var(--slate-500); margin-left: 10px; }
.tbl-stat-lessons { background: var(--success-light); color: #065f46; border-radius: 6px; padding: 2px 8px; font-weight: 700; }
.tbl-stat-cols { color: var(--slate-400); }

.table-item-preview { background: var(--slate-50); border-radius: 8px; padding: 10px 12px; border: 1px solid var(--slate-200); }
.preview-section-label { font-size: 0.75rem; font-weight: 700; color: var(--slate-500); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 4px; }
.row-preview-line { display: flex; gap: 6px; flex-wrap: wrap; padding: 4px 0; border-bottom: 1px solid var(--slate-100); }
.row-preview-line:last-child { border-bottom: none; }
.row-preview-line.empty-row { background: #fef2f2; border-radius: 4px; padding: 4px 6px; }
.row-preview-line.last-row { }
.row-preview-line.header-line { background: #eff6ff; border-radius: 4px; padding: 4px 6px; }
.row-preview-cell { font-size: 0.78rem; color: var(--slate-600); background: white; border: 1px solid var(--slate-200); border-radius: 4px; padding: 2px 8px; white-space: nowrap; max-width: 200px; overflow: hidden; text-overflow: ellipsis; }
.row-preview-cell.header-cell { background: #dbeafe; border-color: #93c5fd; color: #1e40af; font-weight: 700; }
.badge-header { background: var(--success-light); color: #065f46; border-radius: 6px; padding: 1px 8px; font-size: 0.72rem; font-weight: 700; margin-left: 6px; }
.badge-noheader { background: var(--warning-light); color: #92400e; border-radius: 6px; padding: 1px 8px; font-size: 0.72rem; font-weight: 700; margin-left: 6px; }
.empty-badge { font-size: 0.72rem; color: var(--danger); font-weight: 700; margin-left: 6px; background: var(--danger-light); border-radius: 4px; padding: 1px 8px; }
.table-item-footer { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--slate-200); }
.header-checkbox-label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 0.88rem; font-weight: 600; color: var(--slate-600); user-select: none; }
.header-checkbox { width: 18px; height: 18px; accent-color: var(--primary); cursor: pointer; flex-shrink: 0; }

/* ===== PREVIEW TABLE ===== */
.preview-wrap { 
  overflow-x: auto; overflow-y: auto; margin: 12px 0; border-radius: 12px; 
  border: 1px solid var(--slate-200); max-height: 35vh; 
  background: var(--slate-50);
}
.preview-table { width: max-content; min-width: 100%; border-collapse: separate; border-spacing: 0; font-size: 0.85rem; }
.preview-table th {
  background: white; padding: 12px 16px;
  text-align: left; border-bottom: 1px solid var(--slate-200);
  border-right: 1px solid var(--slate-200);
  cursor: pointer; user-select: none; font-weight: 700; color: var(--slate-600);
  position: sticky; top: 0; z-index: 10;
}
.preview-table th:last-child { border-right: none; }
.preview-table th:hover { background: var(--slate-50); color: var(--primary); }
.preview-table th.col-tema { background: var(--primary-light); color: var(--primary); }
.preview-table th.col-dz { background: var(--success-light); color: var(--success); }
.preview-table td { 
  padding: 10px 16px; border-bottom: 1px solid var(--slate-100); border-right: 1px solid var(--slate-200);
  max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; 
  background: white;
}
.preview-table td:last-child { border-right: none; }
.col-badge { display: inline-block; font-size: 0.6rem; font-weight: 800; padding: 2px 6px; border-radius: 4px; margin-left: 6px; vertical-align: middle; }
.badge-tema { background: var(--primary); color: white; }
.badge-dz { background: var(--success); color: white; }

.option-row { display: flex; align-items: center; gap: 12px; font-size: 0.9rem; color: var(--slate-700); margin-top: 12px; font-weight: 500; }
.option-row input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--primary); cursor: pointer; }
select.styled { 
  padding: 8px 12px; border: 1px solid var(--slate-300); border-radius: 8px; 
  font-size: 0.9rem; background: white; cursor: pointer; outline: none;
}
select.styled:focus { border-color: var(--primary); ring: 2px var(--primary-light); }

/* ===== RADIO ===== */
.radio-group { display: flex; gap: 12px; margin-bottom: 16px; }
.radio-btn {
  flex: 1; padding: 16px; border: 2px solid var(--slate-200);
  border-radius: 12px; cursor: pointer; text-align: center;
  font-size: 1rem; font-weight: 700; background: white; color: var(--slate-600);
  transition: all 0.2s;
}
.radio-btn:hover { border-color: var(--slate-300); background: var(--slate-50); }
.radio-btn.active { border-color: var(--primary); background: var(--primary-light); color: var(--primary); }

/* ===== PARTS ===== */
.parts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 16px; }
.part-input label { font-size: 0.85rem; font-weight: 700; color: var(--slate-600); display: block; margin-bottom: 4px; }
.part-input input {
  padding: 12px; border: 2px solid var(--slate-200);
  border-radius: 10px; font-size: 1.1rem; width: 100%;
  text-align: center; font-weight: 800; color: var(--slate-800);
  transition: border-color 0.2s;
}
.part-input input:focus { outline: none; border-color: var(--primary); }
.count-info { padding: 12px 16px; border-radius: 12px; font-size: 0.9rem; display: flex; gap: 12px; flex-wrap: wrap; font-weight: 600; margin-top: 8px; align-items: center; }
.count-info.ok { background: var(--success-light); color: #065f46; border: 1px solid #a7f3d0; }
.count-info.bad { background: var(--danger-light); color: #991b1b; border: 1px solid #fecaca; }
.ci-item { padding: 4px 12px; border-radius: 8px; background: rgba(255,255,255,0.6); }
.ci-ok { background: #bbf7d0 !important; color: #065f46; }
.ci-warn { background: var(--warning-light) !important; color: #92400e; }
.ci-err { background: var(--danger-light) !important; color: #991b1b; }

/* ===== TABS ===== */
.tabs { display: flex; gap: 6px; border-bottom: 2px solid var(--slate-200); padding: 0 4px; }
.tab-btn {
  padding: 12px 24px; border: none; background: none;
  font-size: 0.95rem; font-weight: 700; color: var(--slate-500);
  cursor: pointer; border-bottom: 3px solid transparent;
  margin-bottom: -2px; transition: all 0.2s;
}
.tab-btn:hover { color: var(--slate-800); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-stat { font-size: 0.7rem; font-weight: 700; background: var(--slate-100); color: var(--slate-500); border-radius: 10px; padding: 1px 7px; margin-left: 4px; vertical-align: middle; }
.tab-btn.active .tab-stat { background: var(--primary-light); color: var(--primary); }
.tab-stat-warn { background: var(--warning-light) !important; color: #92400e !important; }

/* ===== PART SWITCHER ===== */
.part-switcher {
  display: flex; gap: 10px; flex-wrap: wrap;
  padding: 12px 0 16px;
}
.part-switch-btn {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 12px 20px; border: 2px solid var(--slate-200);
  border-radius: 12px; background: var(--slate-50);
  cursor: pointer; transition: all 0.18s;
  min-width: 130px;
}
.part-switch-btn:hover {
  border-color: var(--primary); background: var(--primary-light);
}
.part-switch-btn.part-switch-active {
  border-color: var(--primary); background: var(--primary-light);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 20%, transparent);
}
.part-switch-btn.part-switch-warn {
  border-color: var(--warning); background: var(--warning-light);
}
.psb-label {
  font-size: 1.3rem; font-weight: 800;
  color: var(--slate-700);
}
.part-switch-active .psb-label { color: var(--primary); }
.part-switch-warn .psb-label { color: #92400e; }
.psb-sublabel {
  font-size: 0.72rem; color: var(--slate-500); font-weight: 500;
}
.part-switch-active .psb-sublabel { color: var(--primary); }
.psb-stat {
  font-size: 0.75rem; font-weight: 700;
  color: var(--slate-500); margin-top: 2px;
}
.part-switch-active .psb-stat { color: var(--primary); }
.part-switch-warn .psb-stat { color: #92400e; }

/* ===== EDITOR ===== */
.editor-toolbar {
  display: flex; align-items: center; gap: 8px; padding: 10px 0 6px;
  background: white;
}

.dz-block {
  display: flex; flex-direction: column; gap: 8px;
  background: var(--slate-50); border: 1px solid var(--slate-200);
  border-radius: 12px; padding: 12px 16px; margin-bottom: 8px;
}
.dz-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.dz-block-label { font-size: 0.8rem; font-weight: 700; color: var(--slate-500); white-space: nowrap; min-width: 130px; }
.dz-tpl-group { display: flex; gap: 6px; flex-wrap: wrap; }
.tpl-state-badge { font-size: 0.75rem; font-weight: 700; color: var(--primary); background: var(--primary-light); border-radius: 8px; padding: 3px 10px; white-space: nowrap; margin-left: auto; }

.editor-toolbar .sep { width: 1px; height: 24px; background: var(--slate-200); margin: 0 4px; }
.tpl-btn {
  padding: 8px 14px; border-radius: 8px;
  border: 1px solid var(--slate-200); background: white;
  font-size: 0.8rem; font-weight: 600; cursor: pointer; color: var(--slate-600);
  transition: all 0.2s;
}
.tpl-btn:hover { background: var(--slate-50); border-color: var(--slate-400); color: var(--slate-800); }
.tpl-btn.active-tpl { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }

.editor-wrap {
  overflow: auto;
  border: 1px solid var(--slate-200);
  border-radius: 12px;
  max-height: calc(100vh - 440px);
  background: var(--slate-50);
}
.editor-table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 0.9rem; }
.editor-table thead th {
  background: white; padding: 12px 16px;
  text-align: left; border-bottom: 2px solid var(--slate-200);
  font-size: 0.8rem; font-weight: 800; color: var(--slate-500);
  text-transform: uppercase; letter-spacing: 0.05em;
  position: sticky; top: 0; z-index: 10;
}
.editor-table tbody tr { transition: background .1s; background: white; }
.editor-table tbody tr:hover { background: var(--slate-50); }
.editor-table tbody tr.cancelled { background: #fef2f2 !important; color: var(--slate-400); }
.editor-table tbody tr.selected-row { background: #f5f3ff !important; }
.editor-table tbody tr.drag-over-row { background: #ede9fe !important; }
.editor-table tbody tr.drag-insert-top { box-shadow: inset 0 4px 0 0 var(--primary); }
.editor-table tbody tr.drag-insert-bottom { box-shadow: inset 0 -4px 0 0 var(--primary); }

.editor-table td { 
  padding: 10px 16px; border-bottom: 1px solid var(--slate-100); 
  vertical-align: top; transition: all 0.2s;
}
.editor-table td[contenteditable="true"] { 
  outline: none; background: white; box-shadow: inset 0 0 0 2px var(--primary); 
  border-radius: 4px; z-index: 5; position: relative;
}

.editor-table .td-num { 
  color: var(--slate-400); font-size: 0.75rem; text-align: center; 
  vertical-align: middle; width: 44px; font-weight: 700;
}
.editor-table .td-tema {
  white-space: pre-wrap; word-break: break-word;
  cursor: grab; min-height: 40px; font-weight: 500;
}
.editor-table .td-tema::before {
  content: '⠿'; position: absolute; left: 4px; color: var(--slate-300); opacity: 0; transition: opacity 0.2s;
}
.editor-table tr:hover .td-tema::before { opacity: 1; }
.editor-table .td-tema.dragging { opacity: 0.4; background: var(--warning-light); }
.editor-table .td-dz { white-space: pre-wrap; word-break: break-word; font-weight: 400; }
.row-actions { text-align: center; white-space: nowrap; vertical-align: middle; }
.row-act-btn {
  width: 28px; height: 28px; margin: 0 2px;
  border: 1px solid var(--slate-200); background: white; color: var(--slate-600);
  border-radius: 6px; cursor: pointer; font-size: 0.85rem; line-height: 1;
  transition: all 0.15s;
}
.row-act-btn:hover { border-color: var(--primary); background: var(--primary-light); color: var(--primary); }
.cancelled-badge-sm { font-size: 0.72rem; font-weight: 700; color: var(--slate-400); letter-spacing: 0.03em; }

.cancelled-badge {
  display: inline-block; background: var(--danger); color: white;
  font-size: 0.65rem; font-weight: 800; padding: 3px 8px; border-radius: 4px;
}

.drag-hint {
  font-size: 0.8rem; color: var(--slate-400); padding: 10px 16px;
  text-align: center; border-bottom: 1px solid var(--slate-100);
  background: white; font-weight: 600;
}

.warn-box { background: var(--warning-light); border: 1px solid #fcd34d; border-radius: 10px; padding: 12px 16px; font-size: 0.85rem; margin: 8px 0; color: #92400e; font-weight: 600; }
.error-msg { background: var(--danger-light); color: #991b1b; padding: 12px 16px; border-radius: 10px; border: 1px solid #fecaca; font-size: 0.85rem; margin: 8px 0; font-weight: 600; }
.success-msg { background: var(--success-light); color: #065f46; padding: 12px 16px; border-radius: 10px; border: 1px solid #a7f3d0; font-size: 0.85rem; margin: 8px 0; font-weight: 600; }

.actions { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 12px; gap: 12px; }

.export-done { display: flex; flex-direction: column; align-items: center; gap: 16px; padding: 32px; text-align: center; }
.export-done .big-icon { font-size: 64px; }
.export-done h3 { font-size: 1.3rem; font-weight: 800; color: var(--slate-800); }

.export-name-screen {
  display: flex; flex-direction: column; align-items: center;
  gap: 16px; padding: 32px; text-align: center;
}
.export-name-screen .big-icon { font-size: 56px; }
.export-name-screen h3 { font-size: 1.3rem; font-weight: 800; color: var(--slate-800); }
.export-name-screen p { color: var(--slate-500); font-size: 0.95rem; }
.name-preview-example { font-weight: 700; color: var(--primary); }
.export-name-row {
  display: flex; gap: 12px; align-items: center;
  flex-wrap: wrap; justify-content: center; width: 100%; max-width: 560px;
}
.class-name-input {
  flex: 1; min-width: 160px; max-width: 220px;
  padding: 14px 18px; border: 2px solid var(--slate-300);
  border-radius: 12px; font-size: 1.2rem; font-weight: 700;
  text-align: center; outline: none; transition: border-color 0.2s;
}
.class-name-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.export-links-ready { margin-top: 8px; width: 100%; display: flex; flex-direction: column; align-items: center; }

.hidden { display: none !important; }
.loading { display: inline-block; width: 18px; height: 18px; border: 2px solid var(--slate-200); border-top-color: var(--primary); border-radius: 50%; animation: spin .6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.col-status { font-size: 0.95rem; margin-bottom: 8px; padding: 10px 16px; border-radius: 10px; font-weight: 700; border: 1px solid transparent; }
.col-status.waiting { background: var(--warning-light); color: #92400e; border-color: #fcd34d; }
.col-status.ready { background: var(--success-light); color: #065f46; border-color: #a7f3d0; }

@media (max-height: 700px) {
  html { font-size: 15px; }
  .card { padding: 16px; }
  .wizard { margin: 8px auto; }
}