/* Voice Studio — app pages
   Extends the landing page design system (theme.css).
   Only app-specific styles live here. */

.hidden { display: none !important; }

/* APP NAV */
.app-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 32px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.app-nav-home {
  font-family: 'Playfair Display', serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}

.app-nav-title {
  font-size: 14px;
  color: var(--ink-muted);
}

.app-nav-badge {
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--ink-muted);
  padding: 2px 8px;
  border-radius: 12px;
}

/* APP LAYOUT */
.app-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: calc(100vh - 57px);
}

/* SIDEBAR */
.app-sidebar {
  border-right: 1px solid var(--border);
  background: var(--surface);
  padding: 24px 20px;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.sidebar-header h2 {
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.brand-list { display: flex; flex-direction: column; gap: 4px; }

.brand-list-empty {
  font-size: 13px;
  color: var(--ink-muted);
  text-align: center;
  padding: 24px 0;
  line-height: 1.6;
}

.brand-item {
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
}

.brand-item:hover { background: var(--bg); }

.brand-item.active {
  background: var(--accent);
  color: #fff;
}

.brand-item-name {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 2px;
}

.brand-item-url {
  font-size: 11px;
  opacity: 0.65;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* MAIN AREA */
.app-main {
  overflow-y: auto;
  padding: 48px 64px;
}

.app-section { max-width: 760px; }

/* WELCOME */
.welcome-hero {
  text-align: center;
  padding: 80px 0;
}

.welcome-icon {
  font-size: 40px;
  margin-bottom: 24px;
  color: var(--accent);
}

.welcome-hero h1 {
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: 20px;
}

.welcome-hero p {
  font-size: 18px;
  color: var(--ink-muted);
  line-height: 1.65;
  max-width: 520px;
  margin: 0 auto 16px;
}

.welcome-target {
  font-size: 15px;
  color: var(--accent);
  margin-bottom: 40px !important;
}

/* STEP HEADER */
.step-header { margin-bottom: 40px; }

.step-num {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 48px;
  color: var(--border);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 8px;
}

.step-header h2 {
  font-size: 30px;
  margin-bottom: 12px;
}

.step-sub {
  font-size: 16px;
  color: var(--ink-muted);
  line-height: 1.6;
  max-width: 560px;
}

/* FORMS */
.app-form { display: flex; flex-direction: column; gap: 20px; max-width: 480px; }

.form-group { display: flex; flex-direction: column; gap: 8px; }

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.form-group input, .sample-type-select, .sample-content-input, .sample-url-input {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  background: var(--surface);
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s;
}

.form-group input:focus, .sample-type-select:focus, .sample-content-input:focus, .sample-url-input:focus {
  border-color: var(--accent);
}

/* SAMPLES */
.samples-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }

.samples-empty {
  font-size: 14px;
  color: var(--ink-muted);
  text-align: center;
  padding: 32px;
  background: var(--bg);
  border-radius: 12px;
  border: 1px dashed var(--border);
}

.sample-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
}

.sample-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.sample-type-badge {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--bg);
  color: var(--accent);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 600;
}

.sample-remove {
  background: none;
  border: none;
  color: var(--ink-muted);
  cursor: pointer;
  font-size: 14px;
  padding: 2px 6px;
}

.sample-remove:hover { color: var(--ink); }

.sample-card-text {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.55;
  font-family: 'Playfair Display', serif;
  font-style: italic;
}

.sample-add-form { margin-bottom: 16px; }

.sample-add-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.sample-type-select { flex: 0 0 160px; }

.sample-content-input { flex: 1; }

.sample-url-input { flex: 0 0 220px; }

.samples-count {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 24px;
}

.step-actions {
  display: flex;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: background 0.15s, transform 0.1s;
  text-decoration: none;
}

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

.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

.btn-primary {
  background: var(--ink);
  color: var(--bg);
}

.btn-primary:hover:not(:disabled) { background: #2C2820; }

.btn-accent {
  background: var(--accent);
  color: #fff;
}

.btn-accent:hover:not(:disabled) { background: #234830; }

.btn-secondary {
  background: var(--bg);
  color: var(--ink);
  border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) { background: #EDE9E2; }

.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 14px 32px; font-size: 17px; }

/* RESULTS */
.results-spinner {
  text-align: center;
  padding: 80px 0;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto 20px;
}

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

.results-spinner p { color: var(--ink-muted); font-size: 16px; }

.results-error {
  padding: 24px;
  background: #FDF2F2;
  border: 1px solid #F5C6C6;
  border-radius: 10px;
  color: #9B2C2C;
  font-size: 15px;
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.results-group { }

.results-group-title {
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.results-count {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1px 8px;
  font-size: 11px;
  color: var(--ink-muted);
}

.content-card-result {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 16px;
}

.content-card-type {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 12px;
}

.content-card-body {
  font-family: 'Playfair Display', serif;
  font-size: 15px;
  color: var(--ink);
  line-height: 1.6;
  margin-bottom: 16px;
  white-space: pre-wrap;
}

.btn-copy { font-size: 13px; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .app-layout { grid-template-columns: 1fr; }
  .app-sidebar { border-right: none; border-bottom: 1px solid var(--border); }
  .app-main { padding: 32px 24px; }
  .results-grid { grid-template-columns: 1fr; }
  .sample-add-row { flex-wrap: wrap; }
  .sample-type-select { flex: 1 1 100%; }
  .sample-content-input { flex: 1 1 100%; }
  .sample-url-input { flex: 1 1 100%; }
}