/**
 * AlgoPaca - Mobile App Shell & Experience Styles (<= 768px)
 * Loaded exclusively on mobile viewports for optimized loading and rendering.
 */

/* Mobile touch styling */
html {
  -webkit-tap-highlight-color: transparent;
}

@media (max-width: 768px) {
  /* Mobile App Viewport & Padding */
  html {
    overflow-x: hidden !important;
    max-width: 100% !important;
  }

  body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden !important;
    max-width: 100% !important;
    width: 100% !important;
  }

  body.sheet-open {
    overflow: hidden !important;
  }

  .app {
    overflow-x: hidden !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-top: 0.4rem;
    padding-bottom: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom, 0px) + 1.25rem);
    padding-left: max(0.85rem, env(safe-area-inset-left, 0px));
    padding-right: max(0.85rem, env(safe-area-inset-right, 0px));
  }

  /* Compact Sticky Mobile App Top Bar */
  .masthead {
    position: sticky;
    top: 0;
    z-index: 850;
    margin: -0.4rem -0.85rem 0.85rem -0.85rem;
    padding: max(0.55rem, env(safe-area-inset-top, 0px)) 0.85rem 0.55rem;
    background: color-mix(in srgb, var(--ink) 88%, var(--panel));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    border-image: none;
    gap: 0.4rem;
    box-shadow: var(--shadow-sm);
    animation: none;
  }

  .masthead-top {
    align-items: center;
    flex-wrap: nowrap;
    gap: 0.65rem;
    min-height: 40px;
  }

  .masthead-brand {
    flex: 1 1 auto;
    min-width: 0;
    gap: 0;
  }

  .masthead-brand-header {
    gap: 0.55rem;
  }

  .masthead-logo-img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
  }

  .masthead-brand-text {
    gap: 0;
  }

  .masthead-brand-text .eyebrow {
    font-size: 0.58rem;
    letter-spacing: 0.06em;
    opacity: 0.8;
    line-height: 1;
    margin-bottom: 2px;
  }

  .masthead h1 {
    font-size: 1.15rem;
    line-height: 1.15;
    margin: 0;
  }

  /* Hide verbose desktop elements on mobile */
  .tagline {
    display: none !important;
  }

  .desk-nav {
    display: none !important;
  }

  .lang-switcher {
    display: none !important;
  }


  .masthead-search {
    flex: 1 1 auto;
    min-width: 0;
    max-width: 100%;
    padding-top: 0;
    margin: 0 0.2rem;
  }

  .masthead-search-box {
    min-height: 34px;
    padding: 0.2rem 0.45rem 0.2rem 0.55rem;
    gap: 0.35rem;
    border-radius: var(--radius-sm);
  }

  .masthead-search-icon {
    width: 14px;
    height: 14px;
  }

  .masthead-search-input {
    font-size: 0.78rem;
  }

  .masthead-search-kbd {
    display: none !important;
  }

  .masthead-search-dropdown {
    position: fixed;
    top: calc(var(--mobile-header-height) + 4px);
    left: 8px;
    right: 8px;
    min-width: auto;
    max-width: calc(100vw - 16px);
    max-height: 65vh;
    z-index: 1200;
  }

  .masthead-right {
    flex: none;
    display: flex;
    align-items: center;
    gap: 0.45rem;
    min-width: auto;
    padding-top: 0;
  }

  .masthead-user-widget {
    margin: 0;
  }

  .masthead-user-trigger {
    padding: 0.25rem 0.35rem;
    gap: 0.3rem;
    border-radius: 999px;
    border-color: color-mix(in srgb, var(--line) 80%, transparent);
    background: rgba(255, 255, 255, 0.04);
  }

  .masthead-user-name,
  .masthead-user-chevron {
    display: none !important;
  }

  .masthead-user-trigger {
    width: 32px;
    height: 32px;
    min-width: 32px;
    min-height: 32px;
    padding: 0;
    border-radius: 50%;
  }

  .masthead-user-avatar {
    width: 100%;
    height: 100%;
    font-size: 0.72rem;
  }

  .masthead-guest-actions {
    gap: 0.3rem;
  }

  .masthead-auth-link {
    padding: 0.3rem 0.55rem;
    font-size: 0.72rem;
    border-radius: var(--radius-sm);
  }

  /* Floating dismissable toast notification on mobile screens */
  .toast {
    position: fixed !important;
    top: calc(env(safe-area-inset-top, 0px) + 0.75rem) !important;
    bottom: auto !important;
    left: 0.75rem !important;
    right: 0.75rem !important;
    max-width: none !important;
    min-width: 0 !important;
    width: auto !important;
    z-index: 10050 !important;
  }

  /* The desktop desk-footer's brand block, status beacon, page links, and
     language switcher all live in the "More" sheet already — repeating them
     here just adds scroll before the tab bar. Only the legal disclosures
     link and the risk disclaimer earn a place on a phone. */
  .desk-footer {
    margin-top: 2rem;
    padding: 1.1rem 0 0.25rem;
  }

  .desk-footer-brand-wrap,
  .desk-footer-right {
    display: none !important;
  }

  .desk-footer-inner {
    justify-content: center;
    padding-bottom: 1.1rem;
  }

  .desk-footer-links {
    justify-content: center;
    width: 100%;
  }

  .desk-footer-link:not(.ext-link) {
    display: none;
  }

  .desk-footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .desk-footer-copy {
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    text-align: center;
  }
}

/* ── Mobile Bottom Navigation Bar ───────────────────────────────── */
.mobile-tab-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: color-mix(in srgb, var(--ink) 92%, var(--panel));
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-top: 1px solid var(--line);
  display: flex;
  align-items: stretch;
  justify-content: space-around;
  z-index: 950;
  box-shadow: var(--shadow-md);
  user-select: none;
  -webkit-user-select: none;
}

@media (min-width: 769px) {
  .mobile-tab-bar {
    display: none !important;
  }
}

.mobile-tab-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 6px 2px 4px;
  text-decoration: none;
  color: var(--muted);
  border: none;
  background: transparent;
  cursor: pointer;
  position: relative;
  transition: color 0.18s ease, transform 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  -webkit-tap-highlight-color: transparent;
  min-width: 0;
}

.mobile-tab-item:hover {
  color: var(--text);
}

.mobile-tab-item:active {
  transform: scale(0.92);
}

.mobile-tab-item.is-active {
  color: var(--copper);
}

.mobile-tab-icon-wrap {
  position: relative;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-tab-item svg {
  width: 22px;
  height: 22px;
  stroke-width: 2;
  fill: none;
  stroke: currentColor;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), stroke 0.2s ease;
}

.mobile-tab-item.is-active svg {
  transform: translateY(-1px);
  stroke: var(--copper);
  filter: drop-shadow(0 2px 6px color-mix(in srgb, var(--copper) 45%, transparent));
}

.mobile-tab-label {
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.mobile-tab-item.is-active::after {
  content: "";
  position: absolute;
  top: 0;
  left: 26%;
  right: 26%;
  height: 2.5px;
  background: var(--copper);
  border-radius: 0 0 3px 3px;
  box-shadow: 0 2px 8px var(--copper);
}

.mobile-tab-badge {
  position: absolute;
  top: -3px;
  right: -7px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--copper);
  color: #fff;
  font-family: var(--mono);
  font-size: 0.58rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
  line-height: 1;
}

/* ── Mobile Slide-Up "More" Sheet ───────────────────────────────── */
.mobile-sheet-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(3, 6, 12, 0.76);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.28s;
}

.mobile-sheet-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

.mobile-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  max-height: 88vh;
  border-top-left-radius: 24px;
  border-top-right-radius: 24px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--panel) 96%, #0d1420) 0%, var(--ink) 100%);
  border-top: 1px solid color-mix(in srgb, var(--line) 85%, rgba(255, 255, 255, 0.18));
  box-shadow: 0 -14px 44px rgba(0, 0, 0, 0.7);
  z-index: 999;
  transform: translateY(100%);
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.32s;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.mobile-sheet.is-open {
  transform: translateY(0);
  visibility: visible;
  pointer-events: auto;
}

.mobile-sheet-handle-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 0 6px;
  cursor: grab;
  touch-action: pan-y;
}

.mobile-sheet-handle {
  width: 38px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.22);
}

.mobile-sheet-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.25rem 1.15rem 0.75rem;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 65%, transparent);
}

.mobile-sheet-title {
  font-family: var(--ui);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}

.mobile-sheet-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--line) 80%, rgba(255, 255, 255, 0.15));
  background: rgba(255, 255, 255, 0.08);
  color: var(--text, #e8eef5);
  cursor: pointer;
  padding: 0;
  margin: 0;
  transition: all 0.18s ease;
  flex-shrink: 0;
}

.mobile-sheet-close:hover,
.mobile-sheet-close:active {
  color: #fff;
  background: rgba(255, 255, 255, 0.18);
  transform: scale(0.92);
}

.mobile-sheet-close svg {
  width: 18px !important;
  height: 18px !important;
  min-width: 18px !important;
  min-height: 18px !important;
  display: block !important;
  stroke: currentColor !important;
  stroke-width: 2.5 !important;
  stroke-linecap: round !important;
  stroke-linejoin: round !important;
  fill: none !important;
  pointer-events: none;
}

.mobile-sheet-close svg path {
  stroke: currentColor !important;
  stroke-width: 2.5 !important;
  stroke-linecap: round !important;
  stroke-linejoin: round !important;
}

.mobile-sheet-body {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0.85rem 1.15rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

/* User Account Profile Card in Sheet */
.mobile-profile-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, var(--line) 75%, transparent);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.mobile-profile-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--copper), var(--copper-deep));
  color: var(--copper-text, #0c1219);
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--copper) 30%, transparent);
  overflow: hidden;
  position: relative;
}

.mobile-profile-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

.mobile-profile-avatar-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-profile-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}

.mobile-profile-name {
  font-family: var(--ui);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mobile-profile-meta {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.mobile-profile-role {
  font-family: var(--mono);
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.mobile-profile-role.is-admin {
  background: rgba(192, 132, 252, 0.16);
  color: var(--violet);
  border: 1px solid rgba(192, 132, 252, 0.3);
}

.mobile-profile-badge {
  font-family: var(--mono);
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: 4px;
  letter-spacing: 0.03em;
}

.mobile-profile-badge.armed {
  background: rgba(212, 137, 76, 0.15);
  color: var(--copper);
  border: 1px solid rgba(212, 137, 76, 0.3);
}

.mobile-profile-badge.live {
  background: rgba(63, 191, 143, 0.15);
  color: var(--buy);
  border: 1px solid rgba(63, 191, 143, 0.3);
}

/* Nav Groups in Sheet */
.mobile-nav-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.mobile-nav-group-title {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 0.15rem 0.35rem;
}

.mobile-nav-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, var(--line) 75%, transparent);
  background: rgba(255, 255, 255, 0.025);
  overflow: hidden;
}

.mobile-nav-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.72rem 0.95rem;
  text-decoration: none;
  color: var(--text);
  font-family: var(--ui);
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 45%, transparent);
  -webkit-tap-highlight-color: transparent;
}

.mobile-nav-row:last-child {
  border-bottom: none;
}

.mobile-nav-row:hover,
.mobile-nav-row:active {
  background: rgba(255, 255, 255, 0.06);
}

.mobile-nav-row.is-active {
  color: var(--copper);
  font-weight: 700;
  background: color-mix(in srgb, var(--copper) 8%, transparent);
}

.mobile-nav-row-icon {
  width: 20px;
  height: 20px;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mobile-nav-row.is-active .mobile-nav-row-icon {
  color: var(--copper);
}

.mobile-nav-row-icon svg {
  width: 19px;
  height: 19px;
  stroke-width: 2;
  fill: none;
  stroke: currentColor;
}

.mobile-nav-row-label {
  flex: 1;
}

.mobile-nav-row-chevron {
  color: var(--muted);
  opacity: 0.6;
  flex-shrink: 0;
}

.mobile-nav-row-chevron svg {
  width: 16px;
  height: 16px;
  stroke-width: 2.2;
  fill: none;
  stroke: currentColor;
}

/* Theme Switcher in Sheet */
.mobile-theme-picker {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.45rem;
  margin-top: 0.2rem;
}

.mobile-theme-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 0.35rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.mobile-theme-btn:hover,
.mobile-theme-btn:active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.mobile-theme-btn.is-active {
  border-color: var(--copper);
  color: var(--copper);
  background: color-mix(in srgb, var(--copper) 12%, transparent);
}

.mobile-theme-swatch {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1.5px solid var(--line-soft);
}

.mobile-theme-swatch.obsidian {
  background: #d4894c;
}

.mobile-theme-swatch.midnight {
  background: #38bdf8;
}

.mobile-theme-swatch.emerald {
  background: #3fbf8f;
}

.mobile-theme-swatch.daylight {
  background: #2563eb;
  border-color: rgba(37, 99, 235, 0.3);
}

.mobile-theme-label {
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 500;
  text-transform: capitalize;
}

/* Language selector in Sheet */
.mobile-lang-wrap {
  margin-top: 0.25rem;
}

.mobile-lang-select {
  width: 100%;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--input-bg);
  color: var(--text);
  font-family: var(--ui);
  font-size: 0.88rem;
  padding: 0 0.85rem;
  appearance: auto;
}

/* Auth Actions in Sheet */
.mobile-sheet-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.mobile-sheet-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 44px;
  border-radius: var(--radius-sm);
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.mobile-sheet-btn.is-logout {
  background: rgba(227, 93, 93, 0.12);
  color: var(--sell);
  border: 1px solid rgba(227, 93, 93, 0.3);
}

.mobile-sheet-btn.is-logout:active {
  background: rgba(227, 93, 93, 0.22);
}

.mobile-sheet-btn.is-primary {
  background: linear-gradient(135deg, var(--copper), var(--copper-deep));
  color: var(--copper-text, #0c1219);
  box-shadow: 0 4px 14px color-mix(in srgb, var(--copper) 30%, transparent);
}

.mobile-sheet-btn.is-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border: 1px solid var(--line);
}

/* Advanced Order: Show only Bid and Ask buttons in price fill groups on mobile */
.price-fill-group [data-i18n="use_mid"],
.price-fill-group [data-i18n="use_mark"] {
  display: none !important;
}