/* GhostPen app UI — newsletter generation shell */
/* Classes match views/app.ejs */

:root {
  --bg: #0a0a0f;
  --bg-subtle: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8a8a9a;
  --accent: #c4f042;
  --accent-glow: rgba(196, 240, 66, 0.12);
  --accent-dim: #a5cc30;
  --border: rgba(255,255,255,0.07);
  --border-hover: rgba(196, 240, 66, 0.2);
  --radius: 12px;
  --radius-sm: 8px;
  --sidebar-width: 220px;
  --red: #ff5f5f;
}

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

html { height: 100%; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  height: 100%;
  -webkit-font-smoothing: antialiased;
}

/* ── App Shell ── */

.app-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ── Sidebar ── */

.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--bg-subtle);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 12px;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}

.logo-icon {
  font-size: 1.3rem;
  color: var(--accent);
  line-height: 1;
}

.logo-text {
  font-family: 'Merriweather', Georgia, serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.01em;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 9px 10px;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--fg-muted);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s, color 0.15s;
}

.nav-btn:hover {
  background: rgba(255,255,255,0.05);
  color: var(--fg);
}

.nav-btn.active {
  background: var(--accent-glow);
  color: var(--accent);
}

.nav-icon {
  font-size: 1rem;
  line-height: 1;
  flex-shrink: 0;
}

.sidebar-footer {
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.sidebar-footer p {
  font-size: 0.75rem;
  color: var(--fg-muted);
  padding: 4px 8px;
}

/* ── Main Content ── */

.main-content {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

/* ── Panel ── */

.panel {
  flex: 1;
  padding: 32px 36px;
  max-width: 1100px;
  width: 100%;
}

.panel.hidden { display: none; }
.panel.active { display: flex; flex-direction: column; }

.panel-header {
  margin-bottom: 28px;
}

.panel-header h1 {
  font-family: 'Merriweather', Georgia, serif;
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.panel-header p {
  color: var(--fg-muted);
  font-size: 0.9rem;
}

/* ── Generate Layout ── */

.generate-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 28px;
  align-items: start;
}

/* ── Form ── */

.generate-form-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

#generate-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.form-group input {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--fg);
  font-size: 0.92rem;
  font-family: inherit;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.15s;
}

.form-group input::placeholder {
  color: var(--fg-muted);
  font-size: 0.85rem;
}

.form-group input:focus {
  border-color: rgba(196, 240, 66, 0.4);
}

.form-hint {
  font-size: 0.78rem;
  color: var(--fg-muted);
}

.btn-generate {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 20px;
  background: var(--accent);
  color: #0a0a0f;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  margin-top: 4px;
}

.btn-generate:hover {
  background: var(--accent-dim);
}

.btn-generate:active {
  transform: scale(0.98);
}

.btn-generate:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-icon { font-size: 1rem; }

/* ── Quick Examples ── */

.quick-examples {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.examples-label {
  font-size: 0.78rem;
  color: var(--fg-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.example-chip {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--fg-muted);
  font-size: 0.8rem;
  font-family: inherit;
  padding: 6px 12px;
  cursor: pointer;
  text-align: left;
  transition: color 0.15s, border-color 0.15s;
}

.example-chip:hover {
  color: var(--fg);
  border-color: var(--border-hover);
}

/* ── Preview Column ── */

.preview-col {
  min-height: 400px;
  display: flex;
  flex-direction: column;
}

#preview-col > * {
  flex: 1;
}

/* Placeholder */
.preview-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  min-height: 300px;
}

.placeholder-icon {
  font-size: 2rem;
  color: var(--accent);
  opacity: 0.4;
}

.preview-placeholder p {
  color: var(--fg-muted);
  font-size: 0.9rem;
}

.placeholder-sub {
  font-size: 0.78rem !important;
  opacity: 0.6;
}

/* Generating state */
.generating-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  min-height: 300px;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.generating-text {
  color: var(--fg);
  font-size: 0.95rem;
  font-weight: 500;
}

.generating-sub {
  color: var(--fg-muted);
  font-size: 0.82rem;
}

/* Error state */
.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 1px solid rgba(255, 95, 95, 0.25);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  min-height: 300px;
}

.error-icon {
  font-size: 2rem;
  color: var(--red);
}

.error-msg {
  color: var(--fg-muted);
  font-size: 0.9rem;
  max-width: 360px;
}

.btn-retry {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--fg);
  font-size: 0.85rem;
  font-family: inherit;
  padding: 8px 16px;
  cursor: pointer;
  transition: border-color 0.15s;
}

.btn-retry:hover { border-color: var(--border-hover); }

/* ── Newsletter Preview ── */

.newsletter-preview {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.preview-meta {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

.preview-meta strong {
  color: var(--fg);
}

.toolbar-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.toolbar-btn {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--fg-muted);
  font-size: 0.78rem;
  font-family: inherit;
  padding: 5px 10px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.toolbar-btn:hover {
  color: var(--fg);
  border-color: var(--border-hover);
}

.btn-delete:hover {
  color: var(--red);
  border-color: rgba(255, 95, 95, 0.35);
}

/* ── Newsletter Article ── */

.newsletter-article {
  padding: 28px 32px;
  overflow-y: auto;
  max-height: 70vh;
}

.article-headline {
  font-family: 'Merriweather', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--fg);
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.article-intro {
  border-left: 3px solid var(--accent);
  padding-left: 16px;
  margin-bottom: 28px;
}

.article-intro p {
  color: var(--fg);
  font-size: 0.95rem;
  line-height: 1.7;
  font-style: italic;
}

.article-section {
  margin-bottom: 24px;
}

.section-title {
  font-family: 'Merriweather', Georgia, serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 10px;
  text-transform: uppercase;
  font-style: normal;
  letter-spacing: 0.04em;
  font-size: 0.82rem;
}

.section-body p {
  color: var(--fg);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 10px;
}

.section-body p:last-child { margin-bottom: 0; }

.article-closing {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--fg-muted);
  font-size: 0.88rem;
  font-style: italic;
  line-height: 1.6;
}

/* ── Hidden utility ── */
.hidden { display: none !important; }

/* ── Library Panel ── */

#panel-library .panel-header {
  margin-bottom: 24px;
}

.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  align-items: start;
}

.library-loading,
.library-empty {
  grid-column: 1 / -1;
  color: var(--fg-muted);
  font-size: 0.9rem;
  padding: 40px 0;
  text-align: center;
}

.issue-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.1s;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.issue-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.issue-card-headline {
  font-family: 'Merriweather', Georgia, serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--fg);
  line-height: 1.35;
}

.issue-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.issue-card-topic,
.issue-card-audience {
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 100px;
}

.issue-card-topic {
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid rgba(196, 240, 66, 0.2);
}

.issue-card-audience {
  background: rgba(255,255,255,0.04);
  color: var(--fg-muted);
  border: 1px solid var(--border);
}

.issue-card-footer {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--fg-muted);
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

/* ── Modal ── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 680px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-subtle);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.modal-meta {
  font-size: 0.8rem;
  color: var(--fg-muted);
  flex: 1;
  min-width: 0;
}

.modal-meta strong { color: var(--fg); }

.modal-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
  align-items: center;
}

.modal-close {
  background: none;
  border: none;
  color: var(--fg-muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  transition: color 0.15s;
  line-height: 1;
}

.modal-close:hover { color: var(--fg); }

.modal .newsletter-article {
  flex: 1;
  overflow-y: auto;
  max-height: none;
}

/* ── Responsive ── */

@media (max-width: 900px) {
  .generate-layout {
    grid-template-columns: 1fr;
  }

  .preview-col {
    min-height: 300px;
  }
}

@media (max-width: 640px) {
  .app-shell {
    flex-direction: column;
    height: auto;
    min-height: 100vh;
    overflow: visible;
  }

  .sidebar {
    width: 100%;
    flex-direction: row;
    align-items: center;
    padding: 12px 16px;
    border-right: none;
    border-bottom: 1px solid var(--border);
    gap: 16px;
  }

  .sidebar-logo {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
  }

  .sidebar-nav {
    flex-direction: row;
    flex: none;
    gap: 6px;
  }

  .sidebar-footer { display: none; }

  .main-content {
    overflow-y: visible;
  }

  .panel {
    padding: 20px 16px;
  }

  .newsletter-article {
    max-height: none;
    padding: 20px 16px;
  }
}