:root {
  --bg: #eef2f7;
  --panel: #ffffff;
  --text: #152033;
  --muted: #64748b;
  --line: #d8e0ea;
  --primary: #0b4f8a;
  --primary-dark: #07345c;
  --danger: #b42318;
  --code-bg: #0f172a;
  --shadow: 0 16px 42px rgba(15, 23, 42, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, Arial, Helvetica, sans-serif;
}

button,
input,
textarea {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 280px 1fr;
}

.sidebar {
  min-height: 100vh;
  padding: 20px 16px;
  background: #0f172a;
  color: #e5edf7;
  position: sticky;
  top: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: #1d4ed8;
  color: white;
  font-weight: 800;
}

.brand h1 {
  margin: 0;
  font-size: 1.15rem;
}

.brand p {
  margin: 2px 0 0;
  color: #94a3b8;
  font-size: 0.82rem;
}

.side-title {
  margin: 22px 0 8px;
  color: #94a3b8;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cv-list {
  display: grid;
  gap: 8px;
}

.cv-item {
  width: 100%;
  padding: 10px 11px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  color: #e5edf7;
  text-align: left;
  cursor: pointer;
}

.cv-item:hover,
.cv-item.active {
  border-color: #60a5fa;
  background: rgba(37, 99, 235, 0.18);
}

.cv-item strong {
  display: block;
  font-size: 0.9rem;
}

.cv-item span {
  display: block;
  margin-top: 2px;
  color: #94a3b8;
  font-size: 0.75rem;
}

.workspace {
  padding: 24px;
  display: grid;
  grid-template-columns: minmax(480px, 0.95fr) minmax(500px, 1.05fr);
  gap: 22px;
  align-items: start;
}

.editor-panel,
.preview-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.editor-panel {
  padding: 18px;
}

.preview-panel {
  padding: 14px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 14px;
}

.panel-header.compact {
  margin-bottom: 10px;
}

.eyebrow {
  margin: 0 0 2px;
  color: var(--primary);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h2 {
  margin: 0;
  font-size: 1.15rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.button {
  border: 0;
  border-radius: 10px;
  padding: 9px 12px;
  font-weight: 800;
  cursor: pointer;
}

.button.full {
  width: 100%;
}

.button.primary {
  background: var(--primary);
  color: white;
}

.button.dark {
  background: #111827;
  color: white;
}

.button.secondary {
  background: #e8eef7;
  color: #172033;
}

.button.danger {
  background: #fee4e2;
  color: var(--danger);
}

.button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.field {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

.field span {
  color: #334155;
  font-size: 0.84rem;
  font-weight: 800;
}

input[type="text"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
}

.two-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

textarea {
  min-height: 470px;
  resize: vertical;
  width: 100%;
  border: 1px solid #273449;
  border-radius: 12px;
  padding: 12px;
  background: var(--code-bg);
  color: #dbeafe;
  font-family: Consolas, Monaco, 'Courier New', monospace;
  font-size: 0.78rem;
  line-height: 1.45;
}

.upload-box {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  margin-top: 12px;
  padding: 12px;
  border: 1px dashed #a9b8cb;
  border-radius: 14px;
  background: #f8fbff;
}

.upload-title {
  margin: 0;
  font-weight: 800;
}

.upload-help {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.upload-form {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.status {
  min-height: 20px;
  margin: 12px 0 0;
  color: var(--primary-dark);
  font-size: 0.88rem;
  font-weight: 700;
}

.preview-frame-wrap {
  height: calc(100vh - 120px);
  min-height: 680px;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: auto;
  background: #dbe2ea;
  padding: 18px;
}

/* Important: the CV preview is intentionally wider than the right panel.
   This gives the iframe its own stable desktop/A4 viewport, so the sidebar
   and editor width cannot trigger the CV responsive CSS or change the PDF layout. */
#previewFrame {
  width: 1024px;
  min-width: 1024px;
  height: 1448px;
  display: block;
  border: 0;
  background: white;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.22);
}

@media (max-width: 1200px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    min-height: auto;
    position: static;
  }

  .workspace {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .workspace {
    padding: 14px;
  }

  .panel-header,
  .upload-box {
    align-items: stretch;
    flex-direction: column;
  }

  .two-cols {
    grid-template-columns: 1fr;
  }

  textarea {
    min-height: 300px;
  }
}