/* ═══════════════════════════════════════════
   Print Lab — Global Mobile-First Responsive
   Applied across ALL pages at <768px
   ═══════════════════════════════════════════ */

/* ── Base resets ── */
html {
  overflow-x: hidden;
}
body {
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

/* ── Shared nav hamburger menu (browse, cleanup, settings pages) ── */
/* These pages use .nav + .nav-links pattern */
@media (max-width: 768px) {
  .nav {
    flex-wrap: nowrap;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    gap: 0;
    position: relative;
  }

  .nav .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg, #0c0e12);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    flex-direction: column;
    padding: 0.75rem 1rem;
    gap: 0.25rem;
    z-index: 200;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  }

  .nav .nav-links.open {
    display: flex;
  }

  .nav .nav-links a {
    padding: 0.6rem 0.75rem;
    font-size: 0.95rem;
    border-radius: 8px;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  /* Hamburger button for .nav pages */
  .nav .nav-hamburger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    color: var(--text, #e8e8e8);
    font-size: 1.4rem;
    cursor: pointer;
    -webkit-tap-highlight-color: rgba(34,211,238,0.2);
    flex-shrink: 0;
  }

  .nav .nav-hamburger:hover {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.2);
  }
}

@media (min-width: 769px) {
  .nav .nav-hamburger {
    display: none;
  }
}

/* ── printer.html — Dashboard mobile fixes ── */
@media (max-width: 768px) {
  /* Printer Switcher: full-width, sticky, touch-friendly */
  .printer-switcher {
    position: sticky !important;
    top: 56px !important; /* below mobile header */
    z-index: 90;
    margin: 0 -0.75rem 0.75rem -0.75rem;
    padding: 0.5rem 0.75rem !important;
    border-radius: 0 !important;
    width: calc(100% + 1.5rem);
  }

  .printer-switcher-tabs {
    gap: 0.4rem;
  }

  .printer-tab {
    min-height: 48px;
    font-size: 0.88rem;
    padding: 0.6rem 0.75rem;
    flex: 1;
    border-radius: 10px;
  }

  /* Header: hamburger replaces nav links */
  .header {
    padding: 0 0.75rem;
    height: 56px;
  }

  .header-nav {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: rgba(12,14,18,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 0.75rem 1rem;
    gap: 0.25rem;
    z-index: 200;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  }

  .header-nav.open {
    display: flex;
  }

  .header-nav .back {
    padding: 0.6rem 0.75rem;
    font-size: 0.95rem;
    border-radius: 8px;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .header .nav-hamburger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    color: var(--text, #e8e8e8);
    font-size: 1.4rem;
    cursor: pointer;
    -webkit-tap-highlight-color: rgba(34,211,238,0.2);
    flex-shrink: 0;
    margin-left: auto;
  }

  .header .nav-hamburger:hover {
    background: rgba(255,255,255,0.06);
  }

  /* Status header: title + badge on one line */
  .conn-badge {
    margin-left: 0.5rem;
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
  }

  /* Dashboard padding */
  .dashboard {
    padding: 0.75rem;
  }

  /* Grid: single column */
  .grid {
    grid-template-columns: 1fr;
  }

  /* Cards: reduced padding */
  .card {
    padding: 0.75rem;
  }

  /* Quick Actions: grid layout, equal-width buttons */
  .quick-actions {
    flex-direction: column;
    padding: 0.75rem;
    gap: 0.5rem;
  }

  .qa-btns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    width: 100%;
  }

  .qa-btn {
    min-height: 44px;
    justify-content: center;
    font-size: 0.85rem;
    padding: 0.5rem 0.5rem;
    width: 100%;
  }

  /* Camera: smaller on mobile */
  .camera-wrap {
    max-height: 220px;
  }

  .camera-controls {
    gap: 0.35rem;
  }

  .camera-ctrl-btn {
    min-height: 44px;
    padding: 0.5rem 0.75rem;
    font-size: 0.82rem;
  }

  /* Temperature grid */
  .temp-grid {
    grid-template-columns: 1fr 1fr;
  }

  .temp-item {
    padding: 0.6rem;
  }

  /* AMS grid */
  .ams-slots {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Fan grid */
  .fan-grid {
    grid-template-columns: 1fr 1fr;
  }

  .fan-controls {
    gap: 0.5rem;
  }

  .fan-btn {
    min-height: 44px;
  }

  /* Preheat grid */
  .preheat-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .preheat-btn {
    min-height: 44px;
    padding: 0.6rem 0.5rem;
  }

  /* Guardian status */
  .guardian-status {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .guardian-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .guardian-controls .ctrl-btn {
    min-height: 44px;
    justify-content: center;
    font-size: 0.82rem;
  }

  /* Speed buttons wrap */
  .speed-btns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .speed-btn {
    min-height: 44px;
    justify-content: center;
  }

  /* Light/Print buttons */
  .light-btns, .print-btns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .ctrl-btn {
    min-height: 44px;
    justify-content: center;
  }

  /* G-code presets */
  .gcode-presets {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.35rem;
  }

  .gcode-preset {
    min-height: 40px;
    justify-content: center;
    font-size: 0.75rem;
  }

  /* State banner */
  .state-banner {
    flex-direction: column;
    align-items: flex-start;
  }

  .state-meta {
    width: 100%;
    justify-content: space-between;
    gap: 0.75rem;
  }

  .meta-item {
    text-align: center;
    flex: 1;
  }

  /* Print Doctor upload */
  .doctor-upload-zone {
    padding: 1rem;
    min-height: 60px;
  }

  /* Print history */
  .print-log-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .log-file {
    white-space: normal;
  }

  /* Chart controls */
  .chart-controls {
    display: flex;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 0.35rem;
    padding-bottom: 0.25rem;
  }

  .chart-range {
    min-height: 36px;
    flex-shrink: 0;
  }

  /* Error banner */
  .error-banner-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

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

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

  .preheat-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .guardian-status {
    grid-template-columns: 1fr !important;
  }

  .state-meta {
    flex-wrap: wrap;
  }

  .camera-wrap {
    max-height: 180px;
  }

  .qa-btns {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 769px) {
  .header .nav-hamburger {
    display: none;
  }
}

/* ── index.html — Guide page mobile fixes ── */
@media (max-width: 768px) {
  /* Hero */
  .hero {
    padding: 5rem 1.25rem 3rem;
  }

  .hero h1 {
    font-size: clamp(2rem, 6vw, 2.8rem);
  }

  .hero p {
    font-size: 1rem;
  }

  /* Sections */
  .section {
    padding: 3rem 1rem;
  }

  .section-header h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
  }

  /* Printer card */
  .printer-card {
    grid-template-columns: 1fr;
    padding: 1.5rem;
  }

  /* Spec grid — keep 2 columns */
  .spec-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* Card grid */
  .card-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .info-card {
    padding: 1.25rem;
  }

  /* Filament table scroll */
  .filament-table-wrap {
    -webkit-overflow-scrolling: touch;
    font-size: 0.85rem;
  }

  th, td {
    padding: 0.6rem 0.7rem;
  }

  /* Accordion — full width */
  .accordion {
    max-width: 100%;
  }

  .accordion-btn {
    padding: 1rem 1rem;
    font-size: 0.95rem;
  }

  .accordion-inner {
    padding: 0 1rem 1rem;
  }

  /* Temp grid */
  .temp-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* Trouble grid */
  .trouble-grid {
    grid-template-columns: 1fr;
  }

  /* Design grid */
  .design-grid, .skeleton-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }

  /* Search bar */
  .search-bar {
    flex-direction: column;
  }

  .search-icon {
    padding: 0.5rem 0 0 1rem;
  }

  .search-submit {
    border-radius: 0;
  }

  /* Source filters */
  .source-filters {
    gap: 0.35rem;
  }

  .source-pill {
    font-size: 0.72rem;
    padding: 0.35rem 0.7rem;
  }

  /* Section search */
  .section-search {
    max-width: 100%;
  }

  .section-search-input {
    font-size: 0.9rem;
  }

  /* Steps */
  .steps {
    max-width: 100%;
  }

  .step {
    padding-left: 3rem;
  }

  .step::before {
    width: 2.2rem;
    height: 2.2rem;
    font-size: 0.9rem;
  }

  /* Checklist */
  .checklist-item {
    padding: 0.75rem 1rem;
  }

  /* TOC dots hide */
  .toc-float {
    display: none;
  }

  /* Footer */
  .site-footer-links {
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
  }

  /* Results toolbar */
  .results-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }

  /* Images max-width */
  img {
    max-width: 100%;
    height: auto;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

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

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

  .design-grid, .skeleton-grid {
    grid-template-columns: 1fr;
  }

  .trouble-quick-links {
    flex-direction: column;
    align-items: stretch;
  }

  .trouble-link {
    justify-content: center;
    min-height: 44px;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ── browse.html — Browse page mobile fixes ── */
@media (max-width: 768px) {
  /* Search full width */
  .search-wrap {
    padding: 0 0.75rem;
    margin: 1.25rem auto;
  }

  .search-box {
    flex-direction: column;
    gap: 0.5rem;
  }

  .search-input {
    min-height: 44px;
    font-size: 0.95rem;
  }

  .search-btn {
    min-height: 44px;
    border-radius: var(--radius, 12px);
  }

  /* Quick tags scroll */
  .quick-tags {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
    padding-bottom: 0.5rem;
    gap: 0.4rem;
  }

  .quick-tag {
    flex-shrink: 0;
    min-height: 36px;
    display: inline-flex;
    align-items: center;
  }

  /* Results single column */
  .results-grid {
    grid-template-columns: 1fr;
  }

  /* Upload area */
  .upload-area {
    padding: 1.5rem 1rem;
  }

  /* Results toolbar */
  .results-toolbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  /* Modal */
  .modal-overlay {
    padding: 0.75rem;
  }

  .modal-header {
    padding: 1rem;
  }

  .modal-body {
    padding: 1rem;
  }

  .modal-images img {
    height: 140px;
  }

  .modal-stats {
    gap: 1rem;
  }

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

  .stl-item {
    padding: 0.5rem 0.6rem;
  }

  /* List view fix */
  .results-grid.list-view .model-card {
    flex-direction: column;
  }

  .results-grid.list-view .model-img,
  .results-grid.list-view .model-img-placeholder {
    width: 100%;
  }

  /* Skeleton */
  .skeleton-grid {
    grid-template-columns: 1fr;
  }
}

/* ── cleanup.html — Cleanup page mobile fixes ── */
@media (max-width: 768px) {
  .container {
    padding: 1.25rem 1rem;
  }

  h1 {
    font-size: clamp(1.5rem, 5vw, 2rem);
  }

  h2 {
    font-size: 1.25rem;
  }

  /* Accessory ID cards */
  .bit-id-grid {
    grid-template-columns: 1fr;
  }

  .bit-id-card {
    flex-direction: column;
    text-align: center;
    padding: 1rem;
  }

  .bit-visual {
    margin: 0 auto;
  }

  /* Accessory grid */
  .acc-grid {
    grid-template-columns: 1fr;
  }

  /* Comparison */
  .vs {
    grid-template-columns: 1fr;
  }

  /* Workflow */
  .workflow {
    flex-direction: column;
  }

  .workflow-arrow {
    transform: rotate(90deg);
  }

  /* Spec table responsive */
  .spec-table {
    font-size: 0.82rem;
  }

  .spec-table th,
  .spec-table td {
    padding: 0.4rem 0.5rem;
  }

  /* Cards */
  .card {
    padding: 1rem;
  }

  /* TOC */
  .toc {
    padding: 1rem;
  }

  .toc li {
    font-size: 0.85rem;
  }

  /* Steps */
  .step {
    gap: 0.75rem;
  }

  .step-num {
    width: 32px;
    height: 32px;
    font-size: 0.82rem;
  }

  /* Grit scale */
  .grit-scale {
    flex-direction: column;
  }

  .grit-step {
    border-radius: 0;
  }

  /* Speed bar */
  .speed-bar {
    flex-direction: column;
    height: auto;
  }

  .speed-seg {
    padding: 0.3rem 0.5rem;
    justify-content: flex-start;
  }
}

/* ── settings.html — Settings page mobile fixes ── */
@media (max-width: 768px) {
  .nav {
    gap: 0.5rem;
    padding: 0.75rem 1rem;
  }

  .hero {
    padding: 3rem 1rem 1.5rem;
  }

  .hero h1 {
    font-size: clamp(1.5rem, 5vw, 2rem);
  }

  .hero-stat .num {
    font-size: 1.5rem;
  }

  /* Search */
  .search-container {
    padding: 0 0.75rem;
    top: 52px;
  }

  .search-input {
    font-size: 0.95rem;
  }

  /* Settings */
  .setting-head {
    flex-direction: column;
    gap: 0.2rem;
  }

  .setting {
    padding: 1rem;
  }

  .setting-desc {
    font-size: 0.85rem;
  }

  .setting-detail {
    font-size: 0.8rem;
  }

  /* Category tabs: horizontal scroll if needed */
  .cat-head {
    padding: 0.75rem 1rem;
  }

  .cat-title {
    font-size: 0.95rem;
  }

  /* Diagrams */
  .diagram-row {
    gap: 0.6rem;
  }

  .diagram-box svg {
    max-width: 140px;
    height: auto;
  }

  /* Main padding */
  .main {
    padding: 0 0.75rem 3rem;
  }

  /* Tags */
  .setting-meta {
    gap: 0.3rem;
  }

  .tag {
    font-size: 0.7rem;
  }
}

/* ── 404.html — Error page mobile fixes ── */
@media (max-width: 768px) {
  h1 {
    font-size: clamp(4rem, 12vw, 8rem);
  }

  .links {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 300px;
  }

  .link {
    justify-content: center;
    min-height: 44px;
  }
}

/* ── Utility: ensure all tap targets are 44px minimum ── */
@media (max-width: 768px) {
  button, 
  [role="button"],
  input[type="submit"],
  .btn,
  .back,
  .nav-links a,
  .header-nav .back {
    min-height: 44px;
  }

  /* Ensure no horizontal scroll */
  * {
    max-width: 100vw;
  }

  pre, code {
    overflow-x: auto;
    max-width: 100%;
  }

  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* ── Small phone ── */
@media (max-width: 360px) {
  .header .logo {
    font-size: 0.9rem;
  }

  .conn-badge {
    font-size: 0.6rem;
    padding: 0.15rem 0.35rem;
  }

  .qa-btns {
    grid-template-columns: 1fr;
  }

  .speed-btns {
    grid-template-columns: 1fr;
  }

  .guardian-controls {
    grid-template-columns: 1fr;
  }
}