/* chronicle-screens.css – responsive overrides for tablets and phones */
/* Follows the exact class structure of chronicle-light/dark/high.css */
/* Includes touch optimisations and smooth scrolling */

/* ---------- Base Resets (same as theme files) ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ---------- Touch & scroll improvements (global) ---------- */
.timeline-scroll,
.arrow-scroll,
.deep-cards-scroll,
.deep-arrow-scroll {
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x pan-y;
}

/* Disable hover transform on touch devices */
@media (hover: none) {
  .event-card:hover {
    transform: none !important;
  }
}

/* Prevent iOS zoom on input/select focus */
@media (max-width: 600px) {
  .header-icon {
    width: 1.6rem !important;
    height: 1.6rem !important;
    margin-right: 0.3rem !important;
  }
  body .header h1 .header-title {
    font-size: 1.7rem !important;
    padding-left: 0.75rem !important;
  }
  input, select, textarea, button {
    font-size: 16px !important;
  }
}

/* Ensure media elements don't overflow */
img, svg, video, canvas, iframe, embed, object {
  max-width: 100% !important;
  height: auto !important;
}

/* ---------- Tablet: ≤ 900px ---------- */
@media (max-width: 900px) {
  body {
    padding: 1.5rem 1rem !important;
  }
  .header-icon {
    width: 1.8rem !important;
    height: 1.8rem !important;
    margin-right: 0.4rem !important;
  }
  body .header h1 .header-title {
    font-size: 2rem !important;
    border-left-width: 4px !important;
  }

  .container {
    max-width: 100% !important;
  }

  .header {
    margin-bottom: 1.5rem !important;
  }

  .header h1 {
    font-size: 2rem !important;
    border-left-width: 4px !important;
  }

  .header h1 span {
    /* unchanged */
  }

  .sub {
    margin-top: 0.4rem !important;
    font-size: 0.95rem !important;
  }

  .lang-controls {
    gap: 1rem !important;
    flex-wrap: wrap !important;
    margin-top: 0.6rem !important;
  }

  .lang-selector,
  .events-lang-selector,
  .theme-selector {
    padding: 0.25rem 0.8rem !important;
  }

  .filter-panel {
    flex-direction: column !important;
    align-items: flex-start !important;
    padding: 1rem 1.5rem !important;
    margin: 1.5rem 0 1rem !important;
  }

  .filter-group {
    width: 100% !important;
    flex-wrap: wrap !important;
  }

  .type-buttons {
    gap: 0.5rem !important;
  }

  .type-btn {
    padding: 0.5rem 1rem !important;
    font-size: 0.8rem !important;
  }

  .tag-filter {
    max-height: none !important;
    gap: 0.5rem !important;
  }

  .tag-check {
    padding: 0.35rem 0.9rem !important;
    font-size: 0.75rem !important;
  }

  .reset-btn,
  .demo-add-btn {
    padding: 0.5rem 1rem !important;
    font-size: 0.8rem !important;
  }

  .view-mode-bar {
    padding: 0.5rem 1rem !important;
    margin: 0 0 1.2rem 0 !important;
  }

  .view-btn {
    padding: 0.4rem 1rem !important;
    font-size: 0.85rem !important;
  }

  .view-container {
    /* unchanged */
  }

  .view-container.active-view {
    /* unchanged */
  }

  .timeline-nav {
    margin-bottom: 0.8rem !important;
    gap: 0.8rem !important;
  }

  .arrow-btn {
    width: 42px !important;
    height: 42px !important;
    font-size: 1.2rem !important;
  }

  .info-hint {
    font-size: 0.75rem !important;
    padding: 0.15rem 0.7rem !important;
  }

  .timeline-scroll {
    padding-bottom: 0.8rem !important;
  }

  .timeline-track {
    gap: 1.2rem !important;
  }

  .event-card {
    width: 280px !important;
  }

  .event-card:hover {
    /* unchanged (overridden on touch devices) */
  }

  .card-header {
    padding: 0.9rem 1rem 0.4rem !important;
  }

  .event-year {
    font-size: 1rem !important;
    padding: 0.15rem 0.7rem !important;
  }

  .event-title {
    font-size: 1.25rem !important;
  }

  .event-desc {
    font-size: 0.82rem !important;
    padding: 0 1rem 0.8rem !important;
  }

  .tag-list {
    padding: 0.4rem 1rem 1rem !important;
  }

  .tag-badge {
    font-size: 0.65rem !important;
    padding: 0.2rem 0.7rem !important;
  }

  .table-wrapper {
    border-radius: 1.2rem !important;
  }

  .timeline-table {
    font-size: 0.8rem !important;
  }

  .timeline-table th {
    padding: 0.8rem 0.8rem !important;
  }

  .timeline-table td {
    padding: 0.7rem 0.8rem !important;
  }

  .table-tag-list {
    gap: 0.25rem !important;
  }

  .mini-tag {
    font-size: 0.65rem !important;
    padding: 0.15rem 0.5rem !important;
  }

  .arrow-scroll {
    padding: 1.5rem 0.3rem !important;
  }

  .arrow-flex {
    padding: 0.6rem 0.3rem !important;
  }

  .arrow-node {
    margin: 0 18px !important;
  }

  .point-circle {
    width: 15px !important;
    height: 15px !important;
  }

  .node-year {
    font-size: 0.65rem !important;
    margin-top: 7px !important;
  }

  .floating-tooltip {
    width: 260px !important;
    padding: 0.8rem !important;
  }

  .floating-tooltip.visible {
    /* unchanged */
  }

  .tooltip-title {
    font-size: 0.85rem !important;
  }

  .tooltip-year {
    font-size: 0.65rem !important;
  }

  .tooltip-desc {
    margin: 0.3rem 0 !important;
  }

  .deep-timeline-section {
    margin-top: 2.5rem !important;
    padding: 1.2rem 1rem !important;
  }

  .deep-header {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.8rem !important;
    margin-bottom: 1rem !important;
  }

  .deep-header h2 {
    font-size: 1.5rem !important;
  }

  .campaign-selector {
    flex-wrap: wrap !important;
    padding: 0.3rem 0.8rem !important;
  }

  .deep-hint {
    font-size: 0.75rem !important;
    padding: 0.15rem 0.7rem !important;
  }

  .deep-view-container {
    /* unchanged */
  }

  .deep-view-container.active-deep-view {
    /* unchanged */
  }

  .deep-cards-scroll {
    padding: 0.8rem 0.1rem !important;
  }

  .deep-cards-track {
    gap: 1rem !important;
  }

  .deep-event-card {
    width: 250px !important;
  }

  .deep-event-card .card-header {
    padding: 0.8rem 0.9rem 0.2rem !important;
  }

  .deep-event-card .event-title {
    font-size: 1rem !important;
  }

  .deep-table {
    font-size: 0.75rem !important;
  }

  .deep-table th {
    padding: 0.6rem 0.6rem !important;
  }

  .deep-table td {
    padding: 0.6rem 0.6rem !important;
  }

  .deep-arrow-scroll {
    padding: 0.8rem 0 !important;
  }

  .deep-arrow-flex {
    padding: 0.3rem 0.1rem !important;
  }

  .deep-arrow-node {
    margin: 0 16px !important;
  }

  .deep-point-circle {
    width: 11px !important;
    height: 11px !important;
  }

  .deep-node-year {
    font-size: 0.6rem !important;
    margin-top: 5px !important;
  }

  footer {
    margin-top: 2.5rem !important;
    font-size: 0.7rem !important;
    padding-top: 1.2rem !important;
  }

  .toast-msg {
    bottom: 15px !important;
    left: 15px !important;
    padding: 6px 16px !important;
    font-size: 0.75rem !important;
  }

  .empty-msg {
    padding: 2rem !important;
    font-size: 1rem !important;
  }

  .loading-overlay {
    /* unchanged */
  }

  .spinner {
    width: 45px !important;
    height: 45px !important;
    border-width: 4px !important;
  }
}

/* ---------- Phone: ≤ 600px ---------- */
@media (max-width: 600px) {
  body {
    padding: 1rem 0.75rem !important;
  }

  .header h1 {
    font-size: 1.7rem !important;
    padding-left: 0.75rem !important;
  }

  .sub {
    font-size: 0.85rem !important;
  }

  .lang-controls {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0.6rem !important;
  }

  .lang-selector,
  .events-lang-selector,
  .theme-selector {
    width: 100% !important;
    justify-content: space-between !important;
    padding: 0.2rem 1rem !important;
  }

  .filter-panel {
    padding: 1rem !important;
    border-radius: 1.5rem !important;
  }

  .type-buttons {
    width: 100% !important;
  }

  .type-btn {
    flex: 1 0 calc(50% - 0.3rem) !important;
    justify-content: center !important;
    padding: 0.6rem 0.5rem !important;
  }

  .tag-filter {
    max-height: 150px !important;
    overflow-y: auto !important;
    padding: 0.3rem !important;
    width: 100% !important;
  }

  .tag-check {
    padding: 0.4rem 0.8rem !important;
    font-size: 0.75rem !important;
    min-height: 44px !important;
    display: inline-flex !important;
    align-items: center !important;
  }

  .reset-btn,
  .demo-add-btn {
    padding: 0.5rem 1.2rem !important;
    font-size: 0.8rem !important;
    min-height: 44px !important;
  }

  .view-mode-bar {
    flex-wrap: wrap !important;
    justify-content: center !important;
    gap: 0.4rem !important;
    padding: 0.4rem 0.8rem !important;
  }

  .view-btn {
    flex: 1 0 calc(33% - 0.4rem) !important;
    padding: 0.5rem 0.3rem !important;
    font-size: 0.75rem !important;
    min-height: 44px !important;
  }

  .timeline-nav {
    flex-wrap: wrap !important;
    justify-content: center !important;
  }

  .arrow-btn {
    width: 44px !important;
    height: 44px !important;
    font-size: 1.2rem !important;
    min-width: 44px !important;
    min-height: 44px !important;
  }

  .info-hint,
  .deep-hint {
    font-size: 0.7rem !important;
    padding: 0.1rem 0.6rem !important;
  }

  .event-card {
    width: 260px !important;
    border-radius: 1.2rem !important;
  }

  .event-year {
    font-size: 0.95rem !important;
  }

  .event-title {
    font-size: 1.15rem !important;
  }

  .event-desc {
    font-size: 0.78rem !important;
  }

  .tag-badge {
    font-size: 0.6rem !important;
  }

  .timeline-table,
  .deep-table {
    font-size: 0.7rem !important;
    min-width: 100% !important;
  }

  .timeline-table th,
  .timeline-table td,
  .deep-table th,
  .deep-table td {
    padding: 0.5rem 0.3rem !important;
  }

  .arrow-scroll,
  .deep-arrow-scroll {
    padding: 1rem 0.2rem !important;
  }

  .arrow-flex,
  .deep-arrow-flex {
    padding: 0.4rem 0 !important;
  }

  .arrow-node {
    margin: 0 12px !important;
  }

  .point-circle {
    width: 14px !important;
    height: 14px !important;
  }

  .node-year {
    font-size: 0.6rem !important;
    padding: 0.1rem 0.4rem !important;
  }

  .deep-arrow-node {
    margin: 0 10px !important;
  }

  .deep-point-circle {
    width: 10px !important;
    height: 10px !important;
  }

  .deep-node-year {
    font-size: 0.55rem !important;
  }

  .floating-tooltip {
    width: 220px !important;
    font-size: 0.8rem !important;
    padding: 0.7rem !important;
  }

  .tooltip-title {
    font-size: 0.85rem !important;
  }

  .deep-timeline-section {
    padding: 1rem 0.8rem !important;
    margin-top: 2rem !important;
  }

  .deep-header h2 {
    font-size: 1.3rem !important;
  }

  .campaign-selector {
    width: 100% !important;
  }

  .deep-event-card {
    width: 230px !important;
  }

  .deep-event-card .event-title {
    font-size: 0.95rem !important;
  }

  footer {
    font-size: 0.65rem !important;
    margin-top: 2rem !important;
  }

  .toast-msg {
    bottom: 10px !important;
    left: 10px !important;
    right: 10px !important;
    text-align: center !important;
    font-size: 0.7rem !important;
  }

  .empty-msg {
    padding: 1.5rem !important;
    font-size: 0.9rem !important;
  }

  button,
  select,
  .tag-check,
  .view-btn,
  .type-btn,
  .reset-btn,
  .arrow-btn {
    min-height: 44px !important;
    min-width: 44px !important;
  }

  select {
    padding: 0.5rem !important;
  }
}

/* ---------- Small Phone: ≤ 400px ---------- */
@media (max-width: 400px) {
  .header h1 {
    font-size: 1.5rem !important;
  }

  .type-btn {
    font-size: 0.7rem !important;
    padding: 0.5rem 0.2rem !important;
  }

  .view-btn {
    font-size: 0.7rem !important;
  }

  .event-card {
    width: 100% !important;
    max-width: 280px !important;
  }

  .deep-event-card {
    width: 100% !important;
    max-width: 240px !important;
  }

  .arrow-node {
    margin: 0 8px !important;
  }

  .node-year {
    white-space: nowrap !important;
  }

  .floating-tooltip {
    width: 200px !important;
  }

  button,
  select,
  .tag-check,
  .view-btn,
  .type-btn,
  .reset-btn,
  .arrow-btn {
    min-height: 44px !important;
    min-width: 44px !important;
  }
}