/* ===== NAVIGATION ===== */
.app-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  padding: 7px 14px;
  border-radius: var(--radius);
  transition: color 0.15s, background 0.15s;
}

.nav-link:hover {
  color: var(--fg);
  background: var(--bg-elevated);
}

.nav-link-active {
  color: var(--accent);
}

/* ===== PAGE WRAPPER ===== */
.app-page {
  max-width: 960px;
  margin: 0 auto;
  padding: 60px 24px;
  min-height: calc(100vh - 65px - 80px);
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 13px 28px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.15s, transform 0.1s;
  white-space: nowrap;
}

.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-lg { padding: 16px 32px; font-size: 1rem; }
.btn-full { width: 100%; text-align: center; }

.btn-ghost {
  display: inline-block;
  background: transparent;
  color: var(--fg-muted);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 9px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  cursor: pointer;
  text-decoration: none;
  transition: color 0.15s, border-color 0.15s;
}

.btn-ghost:hover {
  color: var(--fg);
  border-color: rgba(255,255,255,0.15);
}

.btn-sm { padding: 7px 14px; font-size: 0.84rem; }

/* ===== CARDS ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.card-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-muted);
  margin-bottom: 20px;
}

.card-sm {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-top: 12px;
}

/* ===== FORMS ===== */
.form-container {
  max-width: 640px;
  margin: 0 auto;
}

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

.form-title {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin: 16px 0 12px;
  color: var(--fg);
}

.form-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

.form-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group:last-child { margin-bottom: 0; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 8px;
  font-family: var(--font-display);
}

.form-label-note {
  font-weight: 400;
  color: var(--fg-muted);
  font-family: var(--font-body);
}

.req { color: var(--accent); }

.form-input {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 11px 14px;
  outline: none;
  transition: border-color 0.15s;
}

.form-input::placeholder { color: var(--fg-muted); }
.form-input:focus { border-color: var(--accent); }

.form-select {
  appearance: none;
  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='%238A95A3' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
  margin-bottom: 16px;
}

.form-hint {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-top: 6px;
}

.form-actions {
  margin-top: 24px;
  text-align: center;
}

.form-actions-note {
  font-size: 0.82rem;
  color: var(--fg-muted);
  margin-top: 12px;
}

/* ===== ALERTS ===== */
.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius);
  color: #f87171;
  font-size: 0.9rem;
  padding: 12px 16px;
  margin-bottom: 20px;
}

/* ===== DASHBOARD ===== */
.dashboard-layout { max-width: 800px; margin: 0 auto; }

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 40px;
  gap: 24px;
}

.dash-title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  margin: 10px 0 8px;
  color: var(--fg);
}

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

.badge-tone {
  background: var(--accent-dim);
  color: var(--accent);
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: capitalize;
}

.dashboard-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.dash-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.dash-card-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fg-muted);
  margin-bottom: 10px;
  font-family: var(--font-display);
}

.dash-card-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.dash-card-value-sm {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

.dash-card-note {
  font-size: 0.78rem;
  color: var(--fg-muted);
  margin-top: 4px;
}

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

.section-title {
  font-size: 1.2rem;
  color: var(--fg);
}

.response-list { display: flex; flex-direction: column; gap: 16px; }

.response-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.response-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.stars { letter-spacing: 2px; }
.star-filled { color: var(--accent); }
.star-empty { color: var(--border); }

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

.response-review {
  font-size: 0.9rem;
  color: var(--fg-muted);
  font-style: italic;
  margin-bottom: 16px;
  line-height: 1.6;
}

.response-generated {
  background: var(--green-dim);
  border-left: 3px solid var(--green);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 14px 18px;
}

.response-generated .proof-response-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--green);
  margin-bottom: 6px;
  font-family: var(--font-display);
}

.response-generated p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ===== REVIEW RESPONDER ===== */
.responder-layout { max-width: 900px; margin: 0 auto; }

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

.responder-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.star-picker {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.star-picker-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg-muted);
  font-family: var(--font-display);
  white-space: nowrap;
}

.star-buttons {
  display: flex;
  gap: 4px;
}

.star-btn {
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--border);
  transition: color 0.1s, transform 0.1s;
  padding: 2px;
  line-height: 1;
}

.star-btn-active { color: var(--accent); }
.star-btn-hover { color: rgba(245, 158, 11, 0.6); }
.star-btn:hover { transform: scale(1.15); }

.no-client-note {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 0.84rem;
  color: var(--fg-muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.info-icon {
  background: var(--accent-dim);
  color: var(--accent);
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}

.output-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--fg-muted);
}

.output-empty-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.output-empty-sub {
  font-size: 0.84rem;
  color: var(--fg-muted);
  opacity: 0.6;
  margin-top: 6px;
}

.output-text {
  font-size: 0.95rem;
  color: var(--fg);
  line-height: 1.7;
  background: var(--green-dim);
  border-left: 3px solid var(--green);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 18px 20px;
  margin-bottom: 20px;
}

.output-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.copy-confirm {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--green);
  font-weight: 600;
}

.tone-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tone-info-label {
  font-size: 0.82rem;
  color: var(--fg-muted);
  flex: 1;
}

.tone-badge {
  background: var(--accent-dim);
  color: var(--accent);
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: capitalize;
}

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: 100px 24px;
  max-width: 440px;
  margin: 0 auto;
}

.empty-state-sm {
  padding: 60px 24px;
  margin-top: 24px;
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 20px;
}

.empty-state h2 {
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: var(--fg);
}

.empty-state h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--fg);
}

.empty-state p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
  line-height: 1.6;
}

/* ===== LINKS ===== */
.link-accent {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.link-accent:hover { text-decoration: underline; }

.link-muted {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.82rem;
}

.link-muted:hover { color: var(--fg); }

/* ===== LOADER ===== */
.btn-loader { display: inline-flex; align-items: center; gap: 4px; }
.dots { letter-spacing: 2px; }
.hidden { display: none !important; }

/* ===== LANDING PAGE ENHANCEMENTS ===== */
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  padding: 16px 36px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: opacity 0.15s, transform 0.1s;
  margin-bottom: 56px;
}

.hero-cta:hover { opacity: 0.9; transform: translateY(-2px); }
.hero-cta-sub {
  font-size: 0.82rem;
  color: var(--fg-muted);
  margin-bottom: 56px;
  margin-top: -44px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .app-nav { padding: 14px 20px; }
  .app-page { padding: 40px 20px; }
  .dashboard-header { flex-direction: column; gap: 16px; }
  .dashboard-cards { grid-template-columns: 1fr; }
  .responder-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .star-picker { flex-wrap: wrap; }
}