/* assets/styles/mobile-optimizations.css */

/* --------------------------------------------------------------------------
   Device-group responsive map
   Small phones:   <= 375px
   Standard phones: 376px - 430px
   Large phones:   431px - 767px
   Tablets:        768px - 1024px
   -------------------------------------------------------------------------- */

/* Shared phone rules */
@media (max-width: 767px) {
  :root {
    --header-height: 60px;
    --m-touch: 44px;
    --m-grid-1: 4px;
    --m-grid-2: 8px;
    --m-grid-3: 12px;
    --m-grid-4: 16px;
  }

  html,
  body {
    overflow-x: hidden;
  }

  main {
    padding-top: calc(var(--header-height) + env(safe-area-inset-top, 0px));
  }

  .top-bar {
    height: calc(var(--header-height) + env(safe-area-inset-top, 0px));
    padding: env(safe-area-inset-top, 0px) max(16px, calc(env(safe-area-inset-right, 0px) + 12px)) 0 max(16px, calc(env(safe-area-inset-left, 0px) + 12px));
  }

  .logo-text {
    font-size: clamp(16px, 6vw, 26px);
    letter-spacing: -0.02em;
    max-width: 58vw;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .nav-right {
    gap: var(--m-grid-2);
    align-items: center;
    padding-right: var(--m-grid-1);
  }

  /* Minimum touch target: 44px */
  .nav-ctl,
  #mobile-menu-toggle,
  .mobile-only,
  .view-btn,
  .filter-btn,
  .checkout-btn,
  .checkout-action-btn,
  .modal-cta-btn,
  .mob-cta-btn {
    min-height: var(--m-touch) !important;
  }

  #btn-theme {
    width: var(--m-touch) !important;
    min-width: var(--m-touch) !important;
    height: var(--m-touch) !important;
    min-height: var(--m-touch) !important;
    padding: 0 !important;
    opacity: 0.98;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    border: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
  }

  #btn-theme .icon-moon,
  #btn-theme .icon-sun {
    width: 23px;
    height: 23px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  #btn-theme .icon-moon svg,
  #btn-theme .icon-sun svg {
    width: 100%;
    height: 100%;
    display: block;
  }

  #mobile-menu-toggle {
    width: var(--m-touch) !important;
    min-width: var(--m-touch) !important;
    height: var(--m-touch) !important;
    min-height: var(--m-touch) !important;
    margin-left: var(--m-grid-1);
    padding: 0 !important;
    border: 0 !important;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    font-size: 28px !important;
    line-height: 1;
    opacity: 0.98;
    border-radius: 0 !important;
    background: transparent !important;
  }

  #mobile-menu-toggle span {
    display: inline-block;
    line-height: 1;
    transform: translateY(-1px);
  }

  #mobile-menu-toggle.is-open {
    font-size: 32px !important;
  }

  #btn-theme,
  #mobile-menu-toggle {
    position: relative;
  }

  #btn-theme::before,
  #mobile-menu-toggle::before {
    content: "";
    position: absolute;
    inset: 6px;
    border: 1px solid rgba(var(--text-color-rgb), 0.14);
    border-radius: 6px;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
  }

  #btn-theme:focus-visible::before,
  #mobile-menu-toggle:focus-visible::before,
  #btn-theme:active::before,
  #mobile-menu-toggle:active::before {
    opacity: 1;
  }

  #main-nav.open {
    padding-left: 20px;
  }

  #main-nav.open .nav-links-group {
    gap: var(--m-grid-2);
  }

  #main-nav.open .nav-link {
    font-size: clamp(24px, 8.5vw, 38px);
    line-height: 1.05;
    min-height: 52px;
    display: inline-flex;
    align-items: center;
    opacity: 1;
    padding: var(--m-grid-1) 0;
  }

  #main-nav.open .mobile-only {
    right: max(12px, calc(env(safe-area-inset-right, 0px) + 12px));
    top: env(safe-area-inset-top, 0px);
  }

  .router-view,
  .page-container {
    width: 100%;
    overflow-x: hidden;
  }

  /* Auth modal */
  .modal-glass-panel {
    width: min(92vw, 460px);
    max-height: calc(100dvh - 20px);
    overflow-y: auto;
    border-radius: 12px;
    padding: 22px 16px;
  }

  .auth-title {
    font-size: clamp(28px, 8vw, 40px);
    margin-bottom: 18px;
    letter-spacing: 0.01em;
  }

  .input-group input {
    min-height: 48px;
    font-size: 16px;
  }

  .auth-form {
    gap: 12px;
  }

  /* Shop list/detail */
  .shop-container {
    padding-top: 12px;
    padding-left: 12px;
    padding-right: 12px;
    padding-bottom: 28px;
  }

  .shop-container .shop-controls {
    gap: var(--m-grid-2);
    margin-bottom: var(--m-grid-3);
  }

  .shop-container .shop-filters {
    width: 100%;
    gap: var(--m-grid-2);
  }

  .shop-container .filter-btn {
    font-size: 12px;
    min-height: var(--m-touch);
    display: inline-flex;
    align-items: center;
    color: rgba(var(--text-color-rgb), 0.78) !important;
  }

  .shop-container .view-toggle-container {
    margin-left: auto;
    gap: var(--m-grid-2) !important;
    align-items: center;
  }

  .shop-container .view-btn {
    width: var(--m-touch);
    min-width: var(--m-touch);
    height: var(--m-touch);
    min-height: var(--m-touch);
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    opacity: 0.72;
  }

  .shop-container .view-btn.desktop-only,
  .shop-container .view-btn[data-cols="3"],
  .shop-container .view-btn[data-cols="4"] {
    display: none !important;
  }

  .shop-container .view-btn.active {
    opacity: 1;
  }

  .shop-container .filter-btn.active {
    color: rgba(var(--text-color-rgb), 0.98) !important;
  }

  .shop-container .product-list {
    gap: var(--m-grid-2);
  }

  .shop-container .card-info {
    padding: 8px 6px 10px;
  }

  .shop-container .card-title {
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .shop-container .card-price {
    font-size: 11px;
  }

  .shop-detail-page .detail-nav {
    top: calc(var(--header-height) + 10px);
    right: 12px;
  }

  .shop-detail-page .detail-nav .back-link {
    font-size: 34px;
  }

  /* Keep close/back affordances visible on touch devices */
  .archive--detail .gallery-back-btn,
  .archive--gallery .back-to-index,
  .shop-detail-page .detail-nav .back-link,
  .modal-close,
  .modal-close-btn,
  .cart-close,
  .close-policy-btn,
  .checkout-header .back-link {
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    opacity: 0.96;
  }

  /* Archive */
  .archive-wrapper {
    padding-left: 12px;
    padding-right: 12px;
  }

  .archive--categories .archive-wrapper {
    padding-top: calc(var(--header-height) + 18px);
    padding-left: 16px;
    padding-right: 16px;
    padding-bottom: 24px;
  }

  .archive--categories .archive-index-table {
    gap: var(--m-grid-2);
  }

  .archive--categories .sr-index-header {
    margin-bottom: var(--m-grid-2);
    grid-template-columns: minmax(128px, 1.8fr) minmax(88px, 1.15fr) minmax(82px, 1.02fr) 68px;
    column-gap: var(--m-grid-2);
    align-items: center;
    min-height: 44px;
  }

  .archive--categories .sr-archive-row {
    grid-template-columns: minmax(128px, 1.8fr) minmax(88px, 1.15fr) minmax(82px, 1.02fr) 68px;
    column-gap: var(--m-grid-2);
    align-items: center;
    min-height: 52px;
    padding: var(--m-grid-1) 0;
    border-bottom: 1px solid rgba(var(--text-color-rgb), 0.11);
  }

  .archive--categories .col-idx,
  .archive--categories .sr-index-header .col-idx,
  .archive--categories .sr-archive-row .col-idx {
    display: none;
  }

  .archive--categories .sr-index-header .col-name {
    grid-column: 1;
  }

  .archive--categories .sr-index-header .col-type {
    grid-column: 2;
  }

  .archive--categories .sr-index-header .col-status {
    grid-column: 3;
  }

  .archive--categories .sr-index-header .col-year {
    grid-column: 4;
    text-align: right;
  }

  .archive--categories .sr-archive-row .sr-project-name {
    grid-column: 1;
  }

  .archive--categories .sr-archive-row .col-type {
    grid-column: 2;
  }

  .archive--categories .sr-archive-row .col-status {
    grid-column: 3;
  }

  .archive--categories .sr-archive-row .col-year {
    grid-column: 4;
    text-align: right;
  }

  .archive--categories .sr-index-header span {
    white-space: nowrap;
    color: rgba(var(--text-color-rgb), 0.88);
    font-weight: 560;
  }

  .archive--categories .sr-project-name {
    font-size: clamp(13px, 4.35vw, 18px);
    line-height: 1.18;
    letter-spacing: -0.01em;
  }

  .archive--categories .col-type,
  .archive--categories .col-status,
  .archive--categories .col-year {
    font-size: clamp(12px, 3.1vw, 14px);
    line-height: 1.28;
    color: rgba(var(--text-color-rgb), 0.95);
  }

  .archive--detail.archive-view-container {
    height: 100dvh;
    overflow: hidden;
  }

  .archive--detail .archive-viewer-page {
    position: fixed;
    inset: 0;
    overflow: hidden;
  }

  .archive--detail .gallery-back-btn {
    position: fixed !important;
    top: calc(var(--header-height) + 6px);
    right: 8px;
    margin: 0;
    font-size: 0;
    letter-spacing: 0;
    z-index: 130;
  }

  .archive--detail .gallery-back-btn::before {
    content: "×";
    font-size: 34px;
    font-weight: 500;
    line-height: 1;
  }

  .archive--gallery .back-to-index {
    font-size: 0;
  }

  .archive--gallery .back-to-index::before {
    content: "×";
    font-size: 32px;
    font-weight: 500;
    line-height: 1;
  }

  .archive--detail .viewer-stage {
    position: fixed;
    left: 0;
    right: 0;
    top: calc(var(--header-height) + 18px);
    bottom: calc(max(12px, env(safe-area-inset-bottom, 0px)) + 176px);
    display: grid;
    place-items: center;
    padding: 0 14px;
    z-index: 52;
    overflow: hidden;
    touch-action: pan-y;
    user-select: none;
  }

  .archive--detail .viewer-swipe-current,
  .archive--detail .viewer-swipe-side {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    pointer-events: none;
    transform: translate3d(0, 0, 0);
  }

  .archive--detail .viewer-swipe-current {
    z-index: 2;
  }

  .archive--detail .viewer-swipe-side {
    z-index: 1;
  }

  .archive--detail .viewer-stage.is-swiping .viewer-swipe-current,
  .archive--detail .viewer-stage.is-swiping .viewer-swipe-side {
    will-change: transform;
  }

  .archive--detail .viewer-main-img {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    margin: 0;
    max-width: min(88vw, 560px);
    max-height: 100%;
    width: auto;
    height: auto;
  }

  .archive--detail .viewer-meta-panel {
    position: fixed;
    left: 16px;
    right: 16px;
    bottom: calc(max(12px, env(safe-area-inset-bottom, 0px)) + 108px);
    z-index: 90;
    display: flex;
    flex-wrap: nowrap;
    align-items: baseline;
    column-gap: 8px;
    row-gap: 0;
    text-align: left;
    pointer-events: none;
    padding: var(--m-grid-1) var(--m-grid-2);
    overflow: hidden;
  }

  .archive--detail .viewer-meta-line.code-line {
    display: none;
  }

  .archive--detail .viewer-meta-line.title-line {
    margin: 0;
    font-family: var(--font-main);
    font-size: clamp(12px, 3.4vw, 14px);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.01em;
    flex: 1 1 auto;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .archive--detail .viewer-meta-line.info-line {
    margin: 0;
    font-family: var(--font-main);
    font-size: clamp(11px, 3.1vw, 13px);
    font-weight: 400;
    line-height: 1.2;
    flex: 0 0 auto;
    white-space: nowrap;
    text-align: left;
    color: rgba(var(--text-color-rgb), 0.82);
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  .archive--detail .viewer-meta-line.info-line::before {
    content: none;
  }

  .archive--detail .viewer-filmstrip {
    position: fixed;
    left: 0;
    right: 0;
    transform: none;
    width: 100vw;
    bottom: max(12px, env(safe-area-inset-bottom, 0px));
    min-height: 88px;
    margin: 0;
    padding: var(--m-grid-2) 12px;
    scroll-behavior: auto;
    touch-action: pan-x;
    overscroll-behavior-x: contain;
    z-index: 85;
  }

  /* Posters are portrait-heavy; reserve more vertical room for meta/filmstrip */
  .archive--detail[data-category="posters"] .viewer-stage {
    top: calc(var(--header-height) + 20px);
    bottom: calc(max(12px, env(safe-area-inset-bottom, 0px)) + 228px);
    padding: 0 16px;
  }

  .archive--detail[data-category="posters"] .viewer-main-img {
    max-width: min(76vw, 420px);
    max-height: min(58svh, 62dvh);
  }

  .archive--detail[data-category="posters"] .viewer-meta-panel {
    left: 14px;
    right: 14px;
    bottom: calc(max(12px, env(safe-area-inset-bottom, 0px)) + 116px);
    align-items: baseline;
    padding: 8px 6px 0;
  }

  .archive--detail[data-category="posters"] .viewer-meta-line.title-line {
    font-size: clamp(12px, 3.4vw, 14px);
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .archive--detail[data-category="posters"] .viewer-meta-line.info-line {
    text-align: left;
    font-size: clamp(11px, 3.1vw, 13px);
    line-height: 1.2;
    opacity: 0.94;
  }

  .archive--detail .nav-zone {
    display: none;
  }

  .archive--detail .strip-item {
    height: 76px;
    width: 76px;
  }

  .archive--detail .strip-item.strip-poster {
    width: 48px;
  }

  .archive--detail .strip-item.strip-object {
    width: 110px;
  }

  /* Dashboard / Checkout / Cookie */
  .dashboard-wrapper {
    padding: calc(var(--header-height) + 16px) 16px 32px;
  }

  .dashboard-header {
    padding-bottom: 20px;
    margin-bottom: 22px;
    gap: 12px;
  }

  .page-title {
    font-size: clamp(24px, 8vw, 32px);
    line-height: 1;
  }

  .user-info {
    font-size: 12px;
    letter-spacing: 0.03em;
  }

  .header-nav {
    width: 100%;
    gap: var(--m-grid-2);
    flex-wrap: wrap;
  }

  .dashboard-wrapper :is(.text-link, .action-btn, .nav-tab) {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    padding: 4px 0;
  }

  .item-grid-technical {
    gap: var(--m-grid-2);
  }

  .tech-card {
    gap: var(--m-grid-2);
  }

  .modal-content {
    width: min(92vw, 420px);
    padding: 22px 18px;
  }

  .checkout-container {
    align-items: flex-start;
    padding: calc(var(--header-height) + 14px) 12px 24px;
  }

  .checkout-wrapper {
    padding: 18px 14px;
    gap: 16px;
  }

  .checkout-title {
    font-size: clamp(24px, 7.8vw, 34px);
  }


  .global-footer .legal-links {
    gap: var(--m-grid-2);
  }

  .global-footer .footer-link {
    min-height: var(--m-touch);
    display: inline-flex;
    align-items: center;
    color: rgba(var(--text-color-rgb), 0.82);
  }
}

/* Small phones (iPhone SE class) */
@media (max-width: 375px) {
  .logo-text {
    font-size: 16px;
    max-width: 52vw;
  }

  .shop-container .shop-title {
    font-size: 17px;
  }

  .archive--categories .sr-index-header,
  .archive--categories .sr-archive-row {
    grid-template-columns: minmax(124px, 1.5fr) minmax(92px, 1.1fr) 60px;
    column-gap: 10px;
  }

  .archive--categories .col-type {
    display: none;
  }

  .archive--categories .sr-index-header .col-name,
  .archive--categories .sr-archive-row .sr-project-name {
    grid-column: 1;
  }

  .archive--categories .sr-index-header .col-status,
  .archive--categories .sr-archive-row .col-status {
    grid-column: 2;
  }

  .archive--categories .sr-index-header .col-year,
  .archive--categories .sr-archive-row .col-year {
    grid-column: 3;
    text-align: right;
  }

  .archive--detail .viewer-filmstrip {
    width: 100vw;
    left: 0;
    right: 0;
    transform: none;
    padding-left: 8px;
    padding-right: 8px;
    bottom: 12px;
  }

  .archive--detail .viewer-meta-panel {
    left: 12px;
    right: 12px;
    column-gap: 10px;
  }

  .archive--detail .viewer-meta-line.title-line {
    font-size: clamp(11px, 3.6vw, 13px);
  }

  .archive--detail .viewer-meta-line.info-line {
    font-size: clamp(10px, 3.2vw, 12px);
  }

  .archive--detail[data-category="posters"] .viewer-main-img {
    max-width: min(80vw, 360px);
    max-height: min(56svh, 60dvh);
  }

  .archive--detail[data-category="posters"] .viewer-stage {
    bottom: calc(max(12px, env(safe-area-inset-bottom, 0px)) + 220px);
  }
}

/* Standard phones (iPhone 12/13/14/15, Galaxy S class) */
@media (min-width: 376px) and (max-width: 430px) {
  .logo-text {
    font-size: 18px;
  }

  .shop-container .shop-title {
    font-size: 18px;
  }

  .archive--categories .sr-index-header,
  .archive--categories .sr-archive-row {
    grid-template-columns: minmax(132px, 1.55fr) minmax(92px, 1.1fr) 64px;
    column-gap: 11px;
  }

  .archive--categories .col-type {
    display: none;
  }

  .archive--categories .sr-index-header .col-name,
  .archive--categories .sr-archive-row .sr-project-name {
    grid-column: 1;
  }

  .archive--categories .sr-index-header .col-status,
  .archive--categories .sr-archive-row .col-status {
    grid-column: 2;
  }

  .archive--categories .sr-index-header .col-year,
  .archive--categories .sr-archive-row .col-year {
    grid-column: 3;
    text-align: right;
  }

}

/* Large phones / phablets */
@media (min-width: 431px) and (max-width: 767px) {
  .logo-text {
    font-size: 20px;
  }

  .shop-container {
    padding-left: 14px;
    padding-right: 14px;
  }

  .archive--detail .viewer-filmstrip {
    width: 100vw;
    left: 0;
    right: 0;
    transform: none;
    padding-left: 14px;
    padding-right: 14px;
  }
}

/* Tablets (iPad mini / iPad / Galaxy Tab) */
@media (min-width: 768px) and (max-width: 1024px) {
  .top-bar {
    padding: 0 20px;
  }

  .logo-text {
    font-size: 28px;
  }

  .nav-links-group {
    gap: 24px;
  }

  .shop-container {
    padding-top: 18px;
    padding-left: 18px;
    padding-right: 18px;
    padding-bottom: 42px;
  }

  .shop-container .product-list {
    gap: 14px;
  }

  .shop-container .view-btn.desktop-only,
  .shop-container .view-btn[data-cols="3"],
  .shop-container .view-btn[data-cols="4"] {
    display: none !important;
  }

  .archive-wrapper {
    padding-left: 18px;
    padding-right: 18px;
  }

  .archive--detail .viewer-main-img {
    max-width: 78vw;
    max-height: calc(100vh - 260px);
  }

  .archive--detail .viewer-filmstrip {
    width: 100vw;
    left: 0;
    right: 0;
    transform: none;
    padding-left: 20px;
    padding-right: 20px;
    bottom: 20px;
  }

  .dashboard-wrapper {
    padding: 100px 18px 44px;
  }

  .checkout-container {
    padding: 92px 18px 30px;
  }
}

/* Desktop refinements (keep Hydro look, tighten interaction rhythm) */
@media (min-width: 1025px) {
  :root {
    --d-grid-1: 4px;
    --d-grid-2: 8px;
    --d-grid-3: 12px;
    --d-grid-4: 16px;
    --d-grid-5: 24px;
  }

  .top-bar {
    padding-left: max(24px, env(safe-area-inset-left, 0px));
    padding-right: max(26px, env(safe-area-inset-right, 0px));
  }

  .nav-right {
    gap: 24px;
  }

  .nav-links-group {
    gap: 40px;
  }

  .nav-link {
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    opacity: 0.96;
  }

  .nav-link.active {
    opacity: 1;
  }

  #btn-theme {
    width: 40px;
    min-width: 40px;
    height: 40px;
    min-height: 40px;
    margin-left: 6px;
    padding: 0 !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
  }

  #btn-theme .icon-moon,
  #btn-theme .icon-sun {
    width: 21px;
    height: 21px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  #btn-theme .icon-moon svg,
  #btn-theme .icon-sun svg {
    width: 100%;
    height: 100%;
    display: block;
  }

  .shop-container .shop-controls {
    gap: 24px;
  }

  .shop-container .shop-filters {
    gap: var(--d-grid-2);
  }

  .shop-container .filter-btn {
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    color: rgba(var(--text-color-rgb), 0.76) !important;
  }

  .shop-container .filter-btn.active {
    color: rgba(var(--text-color-rgb), 0.98) !important;
  }

  .shop-container .view-toggle-container {
    gap: 18px !important;
    margin-right: 0;
  }

  .shop-container .view-btn {
    width: 36px;
    min-width: 36px;
    height: 36px;
    min-height: 36px;
    padding: 0;
    opacity: 0.72;
  }

  .shop-container .view-btn.active {
    opacity: 1;
  }

  .global-footer .footer-link,
  .global-footer .social-link {
    color: rgba(var(--text-color-rgb), 0.76);
  }
}