/* ---- APP NAV ---- */
.app-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 32px;
  background: rgba(250, 248, 245, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(184, 146, 106, 0.15);
}

.nav-brand {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-brand:hover {
  color: var(--accent-dark);
}

.nav-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
}

/* ---- GENERATOR MAIN ---- */
.generator-main {
  min-height: calc(100vh - 65px);
  padding: 60px 24px 80px;
  background: linear-gradient(160deg, #faf8f5 0%, #f0ebe3 50%, #e8dfd4 100%);
}

.generator-inner {
  max-width: 780px;
  margin: 0 auto;
}

.generator-header {
  text-align: center;
  margin-bottom: 48px;
}

.generator-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 600;
  color: var(--fg);
  line-height: 1.15;
  margin-bottom: 16px;
}

.generator-title em {
  font-style: italic;
  color: var(--accent-dark);
}

.generator-subtitle {
  font-size: 1rem;
  color: var(--fg-muted);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.65;
}

/* ---- PROMPT FORM ---- */
.prompt-form {
  background: white;
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 8px 40px rgba(42, 37, 32, 0.08);
  margin-bottom: 40px;
}

.prompt-area {
  margin-bottom: 24px;
}

.prompt-form-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 10px;
}

.prompt-textarea {
  width: 100%;
  border: 1.5px solid rgba(184, 146, 106, 0.25);
  border-radius: 12px;
  padding: 16px 20px;
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--fg);
  background: #faf8f5;
  resize: vertical;
  min-height: 110px;
  line-height: 1.6;
  transition: border-color 0.2s;
}

.prompt-textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: white;
}

.prompt-textarea::placeholder {
  color: var(--fg-muted);
  opacity: 0.7;
  font-style: italic;
}

.prompt-char-count {
  text-align: right;
  font-size: 11px;
  color: var(--fg-muted);
  margin-top: 6px;
}

/* ---- INSPIRATION CHIPS ---- */
.inspiration-chips {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
}

.chips-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-muted);
  margin-right: 4px;
}

.chip {
  background: none;
  border: 1px solid var(--accent-light);
  border-radius: 100px;
  padding: 6px 16px;
  font-family: var(--serif);
  font-size: 0.88rem;
  font-style: italic;
  color: var(--accent-dark);
  cursor: pointer;
  transition: all 0.18s ease;
}

.chip:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
  font-style: normal;
}

/* ---- GENERATE BUTTON ---- */
.generate-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 18px 32px;
  background: var(--fg);
  color: #f5f0ea;
  border: none;
  border-radius: 14px;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: all 0.2s ease;
}

.generate-btn:hover:not(:disabled) {
  background: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(42, 37, 32, 0.15);
}

.generate-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-icon {
  font-size: 1.1rem;
  color: var(--accent-light);
}

/* ---- LOADING STATE ---- */
.loading-state {
  text-align: center;
  padding: 60px 24px;
}

.loading-ornament {
  width: 120px;
  height: 120px;
  margin: 0 auto 28px;
}

.loading-ring {
  width: 100%;
  height: 100%;
  animation: spin 8s linear infinite;
}

.loading-text {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-style: italic;
  color: var(--fg);
  margin-bottom: 10px;
}

.loading-subtext {
  font-size: 0.9rem;
  color: var(--fg-muted);
}

/* ---- ERROR STATE ---- */
.error-state {
  text-align: center;
  padding: 40px 24px;
  background: white;
  border-radius: 16px;
  border: 1px solid rgba(184, 80, 80, 0.2);
  margin-bottom: 24px;
}

.error-text {
  color: #8a3030;
  font-size: 1rem;
  margin-bottom: 20px;
  line-height: 1.5;
}

.retry-btn {
  background: none;
  border: 1.5px solid var(--accent);
  border-radius: 100px;
  padding: 10px 28px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-dark);
  cursor: pointer;
  transition: all 0.18s;
}

.retry-btn:hover {
  background: var(--accent);
  color: white;
}

/* ---- RESULTS ---- */
.results-section {
  margin-top: 16px;
}

.results-header {
  text-align: center;
  margin-bottom: 36px;
}

.results-title {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
}

.results-subtitle {
  font-family: var(--serif);
  font-size: 1rem;
  font-style: italic;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto;
}

.designs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.design-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(42, 37, 32, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.design-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(42, 37, 32, 0.14);
}

.design-img-wrap {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--bg-warm);
}

.design-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.design-card:hover .design-img {
  transform: scale(1.02);
}

.design-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-top: 1px solid rgba(184, 146, 106, 0.12);
}

.design-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 14px;
  background: var(--fg);
  color: #f5f0ea;
  text-decoration: none;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 0.18s;
}

.download-btn:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.results-actions {
  text-align: center;
  padding-top: 8px;
}

.regenerate-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: white;
  border: 1.5px solid var(--accent-light);
  border-radius: 100px;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-dark);
  cursor: pointer;
  transition: all 0.2s ease;
}

.regenerate-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

/* ---- UTILITY ---- */
.hidden {
  display: none !important;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .prompt-form {
    padding: 28px 20px;
  }

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

  .generator-main {
    padding: 40px 16px 60px;
  }

  .app-nav {
    padding: 14px 20px;
  }
}

@media (max-width: 480px) {
  .designs-grid {
    grid-template-columns: 1fr;
  }

  .chip {
    font-size: 0.8rem;
    padding: 5px 12px;
  }
}