/* ============================================================
   ReelForge — App-specific styles (extends theme.css)
   ============================================================ */

/* NAV BAR */
.app-nav {
  padding: 20px 64px;
  display: flex;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.app-nav-brand {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
}

.app-nav-brand span { color: var(--accent); }

.app-nav-sep {
  width: 1px;
  height: 20px;
  background: var(--border);
}

.app-nav-label {
  font-size: 13px;
  color: var(--fg-muted);
  font-weight: 500;
}

.app-nav-cta {
  margin-left: auto;
  font-size: 13px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  border: 1px solid var(--accent);
  padding: 8px 20px;
  border-radius: 4px;
  transition: background 0.15s;
}
.app-nav-cta:hover { background: var(--accent-dim); }

/* MAIN LAYOUT */
.app-main {
  max-width: 860px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}

.app-header {
  margin-bottom: 48px;
}

.app-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 16px;
}

.app-title span { color: var(--accent); }

.app-subtitle {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.6;
}

/* EXAMPLES SECTION */
.examples-section {
  margin-bottom: 56px;
}

.examples-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.example-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 28px 32px;
  margin-bottom: 12px;
  border-left: 3px solid var(--accent);
}

.example-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.example-meta {
  font-size: 13px;
  color: var(--fg-muted);
  margin-bottom: 16px;
}

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

.example-section {
  margin-bottom: 16px;
}

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

.example-section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 6px;
  opacity: 0.7;
}

.example-section-text {
  font-size: 15px;
  color: var(--fg);
  line-height: 1.65;
}

/* GENERATOR FORM */
.generator-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 40px;
  margin-bottom: 32px;
}

.generator-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 8px;
}

.generator-subtitle {
  font-size: 15px;
  color: var(--fg-muted);
  margin-bottom: 32px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

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

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.form-input,
.form-select,
.form-textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 15px;
  padding: 12px 16px;
  border-radius: 4px;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: rgba(245, 240, 232, 0.3);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent);
}

.form-select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23F59E0B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-textarea {
  resize: vertical;
  min-height: 72px;
}

.format-toggle {
  display: flex;
  gap: 8px;
}

.format-btn {
  flex: 1;
  padding: 12px 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg-muted);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s;
}

.format-btn.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.format-btn:hover:not(.active) {
  border-color: rgba(245, 240, 232, 0.2);
  color: var(--fg);
}

.generate-btn {
  width: 100%;
  padding: 16px;
  background: var(--accent);
  color: #0F0F1A;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: opacity 0.15s, transform 0.1s;
  margin-top: 4px;
}

.generate-btn:hover { opacity: 0.9; }
.generate-btn:active { transform: scale(0.98); }

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

/* LOADING STATE */
.loading-state {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 20px;
  color: var(--fg-muted);
  font-size: 14px;
}

.loading-state.active { display: flex; }

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

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

/* RESULTS */
.results-card {
  display: none;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  overflow: hidden;
}

.results-card.visible { display: block; }

.result-section {
  padding: 28px 32px;
  border-bottom: 1px solid var(--border);
}

.result-section:last-child { border-bottom: none; }

.result-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.result-label-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.result-text {
  font-size: 16px;
  color: var(--fg);
  line-height: 1.7;
  white-space: pre-wrap;
}

.result-text .on-screen {
  color: var(--accent);
  font-style: italic;
}

.copy-btn {
  margin-top: 12px;
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg-muted);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.05em;
}

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

.copy-btn.copied {
  border-color: #22c55e;
  color: #22c55e;
}

/* ERROR STATE */
.error-msg {
  display: none;
  padding: 16px 20px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  font-size: 14px;
  border-radius: 4px;
  margin-top: 16px;
}

.error-msg.visible { display: block; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .app-nav { padding: 16px 24px; }
  .app-main { padding: 40px 24px 72px; }
  .form-grid { grid-template-columns: 1fr; }
  .generator-card { padding: 28px 24px; }
  .result-section { padding: 24px; }
}

@media (max-width: 480px) {
  .app-nav-sep, .app-nav-label { display: none; }
  .app-nav-cta { margin-left: auto; }
}