/* AX Workbench - Common Styles */

@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css');

:root {
  --color-bg: #f8f9fa;
  --color-surface: #ffffff;
  --color-border: #e5e7eb;
  --color-border-strong: #d1d5db;
  --color-primary: #2563EB;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-text: #111827;
  --color-text-muted: #6b7280;
  --color-text-soft: #9ca3af;
  --color-success: #059669;
  --color-success-light: #d1fae5;
  --color-warning: #d97706;
  --color-warning-light: #fef3c7;
  --color-danger: #dc2626;
  --color-danger-light: #fee2e2;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.08);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --font-sans: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Fira Code', monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* === Top navigation bar === */
.ax-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.ax-topbar-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.ax-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  color: var(--color-text);
}
.ax-brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--color-primary);
  color: white;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.ax-brand-sub {
  font-size: 12px;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-left: 4px;
}

/* === Step indicator === */
.ax-stepper {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  max-width: 900px;
}
.ax-step {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}
.ax-step:hover {
  background: var(--color-bg);
  color: var(--color-text);
  text-decoration: none;
}
.ax-step.is-active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}
.ax-step.is-done .ax-step-num {
  background: var(--color-success);
  color: white;
}
.ax-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-border);
  color: var(--color-text);
  font-size: 12px;
  font-weight: 700;
}
.ax-step.is-active .ax-step-num {
  background: var(--color-primary);
  color: white;
}
.ax-step-arrow {
  color: var(--color-text-soft);
  font-size: 12px;
  user-select: none;
}

/* === Page layout === */
.ax-page {
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}
.ax-page-header {
  margin-bottom: 28px;
}
.ax-eyebrow {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.ax-page-title {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin: 0 0 6px;
  color: var(--color-text);
}
.ax-page-subtitle {
  font-size: 14px;
  color: var(--color-text-muted);
  margin: 0;
  max-width: 720px;
}

/* === Card === */
.ax-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 18px;
}
.ax-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 14px;
}
.ax-card-title {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 4px;
}
.ax-card-desc {
  font-size: 13px;
  color: var(--color-text-muted);
  margin: 0;
}

/* === Tool grid (used in each step's index page) === */
.ax-tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.ax-tool {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-text);
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.ax-tool:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  transform: translateY(-1px);
}
.ax-tool-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: var(--color-bg);
  color: var(--color-text-muted);
  align-self: flex-start;
}
.ax-tool-tag.is-primary { background: var(--color-primary-light); color: var(--color-primary); }
.ax-tool-tag.is-new { background: var(--color-warning-light); color: var(--color-warning); }
.ax-tool-name {
  font-size: 15px;
  font-weight: 700;
  margin: 0;
}
.ax-tool-desc {
  font-size: 13px;
  color: var(--color-text-muted);
  margin: 0;
}

/* === Buttons === */
.ax-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.ax-btn:hover {
  background: var(--color-bg);
  border-color: var(--color-text-soft);
}
.ax-btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}
.ax-btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: white;
}
.ax-btn-primary:disabled,
.ax-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.ax-btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--color-primary);
}
.ax-btn-ghost:hover {
  background: var(--color-primary-light);
  border-color: transparent;
  color: var(--color-primary-hover);
}
.ax-btn-sm { padding: 6px 12px; font-size: 12px; }

/* === Dropzone === */
.ax-dropzone {
  border: 2px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: 36px 20px;
  text-align: center;
  background: var(--color-bg);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.ax-dropzone:hover,
.ax-dropzone.is-drag {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.ax-dropzone.is-loaded {
  border-color: var(--color-success);
  background: var(--color-success-light);
  color: var(--color-success);
}
.ax-dropzone-icon {
  font-size: 28px;
  margin-bottom: 8px;
}
.ax-dropzone-hint {
  font-size: 12px;
  color: var(--color-text-soft);
  margin-top: 4px;
}

/* === Tabs === */
.ax-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 20px;
}
.ax-tab {
  padding: 12px 18px;
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
}
.ax-tab:hover { color: var(--color-text); }
.ax-tab.is-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.ax-tab-panel { display: none; }
.ax-tab-panel.is-active { display: block; }

/* === Tables === */
.ax-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.ax-table th,
.ax-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}
.ax-table th {
  background: var(--color-bg);
  font-weight: 700;
  color: var(--color-text);
}
.ax-table tbody tr:hover { background: var(--color-bg); }

/* === Stat tiles === */
.ax-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.ax-stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
}
.ax-stat-label {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
  font-weight: 500;
}
.ax-stat-value {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.5px;
}
.ax-stat-value-sub {
  font-size: 12px;
  color: var(--color-text-soft);
  font-weight: 500;
  margin-left: 4px;
}

/* === Badge / chip === */
.ax-badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 700;
  border-radius: 999px;
  background: var(--color-bg);
  color: var(--color-text-muted);
}
.ax-badge.is-primary { background: var(--color-primary-light); color: var(--color-primary); }
.ax-badge.is-success { background: var(--color-success-light); color: var(--color-success); }
.ax-badge.is-warning { background: var(--color-warning-light); color: var(--color-warning); }

/* === Footer / step nav === */
.ax-step-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

/* === Helpers === */
.ax-mute { color: var(--color-text-muted); }
.ax-mono { font-family: var(--font-mono); }
.ax-flex { display: flex; align-items: center; gap: 12px; }
.ax-grow { flex: 1; }
.ax-row { display: flex; gap: 16px; flex-wrap: wrap; }
.ax-col { display: flex; flex-direction: column; gap: 12px; }
.ax-hidden { display: none !important; }

/* === Alert === */
.ax-alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  font-size: 13px;
  color: var(--color-text);
  margin-bottom: 12px;
}
.ax-alert.is-info { background: var(--color-primary-light); border-color: var(--color-primary); color: var(--color-primary); }
.ax-alert.is-success { background: var(--color-success-light); border-color: var(--color-success); color: var(--color-success); }
.ax-alert.is-warning { background: var(--color-warning-light); border-color: var(--color-warning); color: var(--color-warning); }

/* === CSV Editor Modal === */
.ax-csv-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(2px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.ax-csv-modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 1280px;
  height: calc(100vh - 48px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.ax-csv-head {
  display: flex;
  align-items: center;
  padding: 16px 22px;
  border-bottom: 1px solid var(--color-border);
  gap: 12px;
}
.ax-csv-head-left {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex: 1;
}
.ax-csv-title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.3px;
}
.ax-csv-summary {
  font-size: 12px;
  color: var(--color-text-muted);
  font-weight: 500;
}
.ax-csv-summary.is-dirty { color: var(--color-warning); font-weight: 700; }
.ax-csv-close {
  background: transparent;
  border: none;
  font-size: 26px;
  font-weight: 300;
  color: var(--color-text-muted);
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  line-height: 1;
}
.ax-csv-close:hover { background: var(--color-bg); color: var(--color-text); }

.ax-csv-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 22px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}
.ax-csv-search {
  flex: 0 0 280px;
  padding: 7px 12px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13px;
  background: #fff;
}
.ax-csv-search:focus { outline: none; border-color: var(--color-primary); }
.ax-csv-rowcount {
  font-size: 12px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.ax-csv-gridwrap {
  flex: 1;
  overflow: auto;
  background: var(--color-surface);
}
.ax-csv-grid {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 12px;
  font-family: var(--font-sans);
}
.ax-csv-grid thead th {
  position: sticky;
  top: 0;
  background: var(--color-bg);
  border-bottom: 2px solid var(--color-border-strong);
  padding: 8px 10px;
  font-weight: 700;
  text-align: left;
  white-space: nowrap;
  z-index: 1;
}
.ax-csv-grid th.ax-csv-rownum-h,
.ax-csv-grid td.ax-csv-rownum {
  width: 44px;
  min-width: 44px;
  text-align: right;
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  background: var(--color-bg);
}
.ax-csv-grid th.ax-csv-action-h,
.ax-csv-grid td.ax-csv-action {
  width: 36px;
  min-width: 36px;
  text-align: center;
  background: var(--color-bg);
}
.ax-csv-grid td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  white-space: pre-wrap;
  word-break: break-word;
  max-width: 300px;
}
.ax-csv-grid td[contenteditable="true"] { cursor: text; }
.ax-csv-grid td[contenteditable="true"]:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
  background: #fff;
}
.ax-csv-grid td.is-modified {
  background: #fef3c7;  /* yellow-100 */
}
.ax-csv-grid td.is-modified:focus {
  background: #fffbeb;
}
.ax-csv-grid tr.is-deleted td {
  background: var(--color-bg);
  color: var(--color-text-soft);
  text-decoration: line-through;
}
.ax-csv-grid tr.is-added td {
  background: #f0fdf4;  /* green-50 */
}
.ax-csv-action-btn {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: #fff;
  cursor: pointer;
  font-size: 11px;
  color: var(--color-text-muted);
  line-height: 1;
  padding: 0;
}
.ax-csv-action-btn:hover {
  background: var(--color-danger-light);
  color: var(--color-danger);
  border-color: var(--color-danger);
}
.ax-csv-grid tr.is-deleted .ax-csv-action-btn:hover {
  background: var(--color-success-light);
  color: var(--color-success);
  border-color: var(--color-success);
}

.ax-csv-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}
.ax-csv-footer-hint {
  font-size: 11px;
  color: var(--color-text-soft);
}

/* === Embed wrapper for legacy tools === */
.ax-embed {
  width: 100%;
  min-height: calc(100vh - 200px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
}
.ax-embed iframe {
  width: 100%;
  height: calc(100vh - 200px);
  border: 0;
  display: block;
}