/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f5f5f3;
  --bg-1: #ffffff;
  --bg-2: #f9f9f8;
  --bg-3: #efefed;
  --border: #e2e2de;
  --border-2: #c8c8c2;
  --text: #1a1a18;
  --text-2: #5a5a54;
  --text-3: #9a9a92;
  --accent: #2563eb;
  --accent-dim: #dbeafe;
  --accent-text: #1d4ed8;
  --success: #16a34a;
  --success-dim: #dcfce7;
  --error: #dc2626;
  --error-dim: #fee2e2;
  --mono: 'IBM Plex Mono', monospace;
  --sans: 'IBM Plex Sans', sans-serif;
  --radius: 6px;
  --radius-lg: 10px;
}

html, body { height: 100%; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ── */
.app {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 100vh;
}

header {
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  background: var(--bg-1);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.01em;
}

.logo span {
  color: var(--accent-text);
}

.version-tag {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-3);
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 6px;
}



/* ── Main grid ── */
main {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  overflow: hidden;
  height: calc(100vh - 52px);
}

.divider-v {
  background: var(--border);
}

/* ── Panels ── */
.panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel-header {
  padding: 14px 24px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.panel-title {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── Textarea ── */
.jd-textarea {
  flex: 1;
  width: 100%;
  min-height: 300px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 13.5px;
  line-height: 1.7;
  padding: 16px;
  resize: none;
  outline: none;
  transition: border-color 0.15s;
}
.jd-textarea:focus { border-color: var(--border-2); }
.jd-textarea::placeholder { color: var(--text-3); }

/* ── Generate button ── */
.btn-generate {
  width: 100%;
  padding: 11px 20px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: opacity 0.15s, transform 0.1s;
  letter-spacing: 0.01em;
}
.btn-generate:hover:not(:disabled) { opacity: 0.88; }
.btn-generate:active:not(:disabled) { transform: scale(0.99); }
.btn-generate:disabled { opacity: 0.35; cursor: not-allowed; }

/* ── Status box ── */
.status-box {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.6;
}
.status-box.error {
  background: var(--error-dim);
  border-color: var(--error);
  color: var(--error);
}
.status-box.success {
  background: var(--success-dim);
  border-color: var(--success);
  color: var(--success);
}

/* ── Progress steps ── */
.steps { display: flex; flex-direction: column; gap: 10px; }
.step {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  color: var(--text-3);
  font-family: var(--mono);
}
.step.active { color: var(--text); }
.step.done { color: var(--success); }

.step-icon {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--border-2);
}
.step.active .step-dot { background: var(--accent); }
.step.done .step-dot { background: var(--success); }

/* ── Spinner ── */
@keyframes spin { to { transform: rotate(360deg); } }
.spinner {
  width: 13px;
  height: 13px;
  border: 1.5px solid var(--border-2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
}

/* ── Output area ── */
.output-empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10px;
  color: var(--text-3);
  text-align: center;
  padding: 40px;
}

.empty-icon {
  width: 40px;
  height: 40px;
  border: 1px dashed var(--border-2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  font-size: 18px;
  margin-bottom: 4px;
}

.output-empty p {
  font-size: 13px;
  line-height: 1.6;
  max-width: 260px;
  color: var(--text-3);
}

/* ── Download cards ── */
.download-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  text-decoration: none;
}
.download-card:hover {
  border-color: var(--border-2);
  background: var(--bg-3);
}

.download-card-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent-text);
}

.download-card-info { flex: 1; }
.download-card-name {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
}
.download-card-file {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-3);
  margin-top: 2px;
}

.download-card-arrow {
  color: var(--text-3);
  font-size: 16px;
}

/* ── Notes box ── */
.notes-box {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
}
.notes-label {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-text);
  margin-bottom: 6px;
}
.notes-text {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.65;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-2); }

/* ── CV Upload zone ── */
.cv-upload-zone {
  border: 1.5px dashed var(--border-2);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  background: var(--bg-2);
  position: relative;
}
.cv-upload-zone:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}
.cv-upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}
.cv-upload-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
  background: var(--bg-3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--text-3);
}
.cv-upload-info { flex: 1; min-width: 0; }
.cv-upload-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}
.cv-file-label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-3);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cv-badge {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  padding: 2px 7px;
  border-radius: 3px;
  flex-shrink: 0;
  background: var(--bg-3);
  color: var(--text-3);
  border: 1px solid var(--border);
}
.cv-badge.ok {
  background: var(--success-dim);
  color: var(--success);
  border-color: var(--success);
}
.cv-badge.err {
  background: var(--error-dim);
  color: var(--error);
  border-color: var(--error);
}

/* ── Clear buttons ── */
.btn-clear-row {
  display: flex;
  gap: 8px;
}
.btn-clear {
  flex: 1;
  padding: 8px 12px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 12px;
  color: var(--text-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: background 0.1s, border-color 0.1s, color 0.1s;
}
.btn-clear:hover {
  background: var(--error-dim);
  border-color: var(--error);
  color: var(--error);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  main { grid-template-columns: 1fr; grid-template-rows: 1fr 1px 1fr; height: auto; }
  .divider-v { width: 100%; height: 1px; }
  main { height: auto; overflow: visible; }
  .panel { height: 60vh; }
}