/* ── Header ────────────────────────────────── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: var(--header-h);
  padding-top: var(--safe-top);
  background: var(--surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  z-index: 50;
  position: relative;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  cursor: pointer;
  user-select: none;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.95rem;
  box-shadow: 0 4px 15px var(--primary-glow);
  animation: floatOrb 6s ease-in-out infinite;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--surface2);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--space-cyan);
  box-shadow: 0 0 8px var(--space-cyan);
  animation: livePulse 2s infinite;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.space-hub-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(99, 102, 241, 0.15));
  border: 1px solid var(--space-cyan-glow);
  color: var(--space-cyan);
  padding: 7px 14px;
  border-radius: 12px;
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.space-hub-btn:hover {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.25), rgba(99, 102, 241, 0.25));
  box-shadow: 0 0 16px var(--space-cyan-glow);
  transform: translateY(-1px);
}

.icon-btn {
  width: 38px;
  height: 38px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  transition: background 0.15s, color 0.15s, transform 0.15s;
  -webkit-tap-highlight-color: transparent;
}

.icon-btn:active,
.icon-btn:hover {
  background: var(--surface2);
  color: var(--text);
  transform: scale(1.05);
}

.icon-btn.active {
  color: var(--primary);
  background: rgba(99, 102, 241, 0.12);
}

/* ── Quick Nav Bar ────────────────────────────── */
.category-nav-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  overflow-x: auto;
  background: var(--surface-glass);
  border-bottom: 1px solid var(--border);
  -webkit-overflow-scrolling: touch;
  flex-shrink: 0;
  z-index: 10;
  width: 100%;
}

.category-nav-bar::-webkit-scrollbar {
  display: none;
}

.cat-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 15px;
  border-radius: 20px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  user-select: none;
}

.cat-pill:hover {
  background: var(--surface);
  color: var(--text);
  border-color: var(--primary-glow);
  transform: translateY(-1.5px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.cat-pill.ocr-pill {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(168, 85, 247, 0.15));
  border-color: rgba(99, 102, 241, 0.4);
  color: var(--text);
}
.cat-pill.ocr-pill:hover {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.28), rgba(168, 85, 247, 0.28));
  box-shadow: 0 0 14px rgba(99, 102, 241, 0.3);
}

.cat-pill.space-pill {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.12), rgba(99, 102, 241, 0.12));
  border-color: var(--space-cyan-glow);
  color: var(--space-cyan);
}

.cat-pill.space-pill:hover {
  box-shadow: 0 0 14px var(--space-cyan-glow);
}

/* ── Layout Shell ───────────────────────────── */
.app-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  position: relative;
  width: 100%;
}

/* ── Settings Panel & Backdrop ─────────────────────────── */
#backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 80;
}

#backdrop.show {
  opacity: 1;
  visibility: visible;
}

#settings-panel {
  position: fixed;
  top: 0;
  right: -360px;
  width: 340px;
  height: 100%;
  height: 100dvh;
  background: var(--surface);
  border-left: 1px solid var(--border);
  transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 100;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

#settings-panel.open {
  right: 0;
}

.settings-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.settings-header h2 {
  font-size: 1.1rem;
  font-weight: 700;
}

.settings-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.s-section h3 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 12px;
}

.theme-row {
  display: flex;
  gap: 8px;
}

.theme-opt {
  flex: 1;
  padding: 10px;
  background: var(--surface2);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.88rem;
  font-family: inherit;
  font-weight: 500;
  transition: all 0.2s;
}

.theme-opt.active {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(99, 102, 241, 0.12);
  box-shadow: 0 0 15px var(--primary-glow);
}

.s-label {
  display: block;
  font-size: 0.84rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
}

.s-select,
.s-range {
  width: 100%;
  padding: 9px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  font-family: inherit;
  font-size: 0.88rem;
  margin-bottom: 14px;
  outline: none;
}

.s-select:focus {
  border-color: var(--primary);
}

.s-range {
  padding: 4px 0;
  border: none;
  background: none;
  accent-color: var(--primary);
}

.s-check {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  cursor: pointer;
  margin-bottom: 8px;
}

.btn-secondary {
  width: 100%;
  padding: 11px;
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s;
  margin-bottom: 8px;
}

.btn-secondary:hover {
  background: var(--border);
}

.btn-danger {
  width: 100%;
  padding: 11px;
  background: rgba(239, 68, 68, 0.12);
  color: var(--error);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 12px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s;
}

.btn-danger:hover {
  background: var(--error);
  color: white;
}

/* ── Space News Full Modal Hub ───────────────── */
#space-hub-modal {
  position: fixed;
  inset: 0;
  background: rgba(8, 10, 16, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#space-hub-modal.open {
  opacity: 1;
  visibility: visible;
}

.space-modal-card {
  background: var(--surface);
  border: 1px solid var(--space-cyan-glow);
  border-radius: 24px;
  width: 100%;
  max-width: 880px;
  height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(6, 182, 212, 0.15);
  transform: translateY(20px) scale(0.97);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#space-hub-modal.open .space-modal-card {
  transform: translateY(0) scale(1);
}

.space-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, rgba(6, 182, 212, 0.08), rgba(99, 102, 241, 0.05));
}

.space-modal-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--space-cyan);
}

.space-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

.space-modal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

/* ── Mobile Layout Tweaks ──────────────────────────── */
@media (max-width: 600px) {
  .header {
    padding: 0 14px;
  }
  .header-status {
    display: none;
  }

  .space-hub-btn span {
    display: none;
  }

  #settings-panel {
    width: 100%;
    right: -100%;
  }

  .space-modal-card {
    height: 94vh;
    border-radius: 16px;
  }
}

@media (min-width: 768px) {
  .category-nav-bar {
    justify-content: center;
  }
}