/* ==========================================================================
   Apple Human Interface Guidelines Design System (Dark OLED Edition)
   Crafted for TG Gift Sniper WebApp
   ========================================================================== */

:root {
  /* Apple Palette: True Dark Mode */
  --apple-bg: #000000;
  --apple-card: rgba(28, 28, 30, 0.75);
  --apple-card-solid: #1c1c1e;
  --apple-card-hover: rgba(44, 44, 46, 0.85);
  --apple-secondary-bg: #121214;
  --apple-tertiary-bg: rgba(44, 44, 46, 0.6);
  --apple-input-bg: rgba(118, 118, 128, 0.24);

  /* Apple System Accent Colors */
  --apple-blue: #0a84ff;
  --apple-blue-hover: #0071e3;
  --apple-blue-subtle: rgba(10, 132, 255, 0.15);
  --apple-green: #30d158;
  --apple-green-subtle: rgba(48, 209, 88, 0.15);
  --apple-orange: #ff9f0a;
  --apple-orange-subtle: rgba(255, 159, 10, 0.15);
  --apple-purple: #bf5af2;
  --apple-purple-subtle: rgba(191, 90, 242, 0.15);
  --apple-red: #ff453a;

  /* Typography / Text Colors */
  --apple-text-primary: #f5f5f7;
  --apple-text-secondary: #86868b;
  --apple-text-tertiary: #636366;
  --apple-text-muted: #48484a;

  /* Glassmorphism & Borders */
  --apple-border: rgba(255, 255, 255, 0.08);
  --apple-border-light: rgba(255, 255, 255, 0.12);
  --apple-border-focus: rgba(10, 132, 255, 0.65);
  --apple-glass-blur: blur(25px) saturate(190%);
  --apple-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  --apple-shadow-subtle: 0 4px 16px rgba(0, 0, 0, 0.3);

  /* Typography System */
  --font-system: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  /* Radii (Apple Squircle Philosophy) */
  --radius-xs: 8px;
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-pill: 9999px;
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  background-color: var(--apple-bg);
  color: var(--apple-text-primary);
  font-family: var(--font-system);
  font-size: 15px;
  line-height: 1.47059;
  font-weight: 400;
  letter-spacing: -0.016em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  user-select: none;
  min-height: 100vh;
  overflow-x: hidden;
  padding-bottom: 84px; /* Space for glass bottom bar */
}

/* Container */
.app-container {
  max-width: 580px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   Apple Navigation Header (Frosted Glass)
   ========================================================================== */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: var(--apple-glass-blur);
  -webkit-backdrop-filter: var(--apple-glass-blur);
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--apple-border);
  transition: background 0.3s ease;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.brand-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.022em;
  color: var(--apple-text-primary);
}

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

.action-btn {
  background: var(--apple-tertiary-bg);
  border: 1px solid var(--apple-border);
  color: var(--apple-text-primary);
  height: 36px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.action-btn:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.2);
}

.action-btn:active {
  transform: scale(0.96);
  background: rgba(255, 255, 255, 0.12);
}

.action-btn.active {
  background: var(--apple-blue);
  color: #ffffff;
  border-color: var(--apple-blue);
}

.filter-btn-text {
  font-size: 13px;
  font-weight: 500;
}

/* ==========================================================================
   Filter Drawer & iOS Controls
   ========================================================================== */
.filters-drawer {
  background: var(--apple-secondary-bg);
  border-bottom: 1px solid var(--apple-border);
  padding: 18px 20px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
  animation: slideDown 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.filters-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.filter-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.filter-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.filter-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--apple-text-secondary);
}

.reset-link {
  background: none;
  border: none;
  color: var(--apple-blue);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.2s;
}

.reset-link:hover {
  opacity: 0.8;
}

/* Segmented Control / Apple Chips */
.chips-row {
  display: flex;
  gap: 8px;
  background: rgba(118, 118, 128, 0.14);
  padding: 4px;
  border-radius: var(--radius-sm);
}

.chip {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--apple-text-secondary);
  font-size: 13px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 9px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: center;
}

.chip.active {
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.chip:active {
  transform: scale(0.97);
}

/* Compact Selects */
.filter-row-compact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.filter-col {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.compact-select {
  background: var(--apple-tertiary-bg);
  border: 1px solid var(--apple-border);
  color: var(--apple-text-primary);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2386868b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 14px;
  transition: border-color 0.2s;
}

.compact-select:focus {
  border-color: var(--apple-blue);
}

/* Numerical Inputs (4-Column Grid) */
.inputs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.input-card {
  background: var(--apple-tertiary-bg);
  border: 1px solid var(--apple-border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: border-color 0.2s;
}

.input-card:focus-within {
  border-color: var(--apple-blue);
}

.input-tag {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--apple-text-secondary);
  letter-spacing: 0.02em;
}

.input-wrapper {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.input-wrapper input {
  width: 100%;
  background: transparent;
  border: none;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  outline: none;
}

.input-wrapper input::placeholder {
  color: var(--apple-text-muted);
}

.input-wrapper .unit {
  font-size: 11px;
  color: var(--apple-text-secondary);
  font-weight: 500;
}

/* Search Field */
.search-sort-group {
  display: flex;
  gap: 10px;
}

.search-field {
  flex: 1.4;
  display: flex;
  align-items: center;
  background: var(--apple-tertiary-bg);
  border: 1px solid var(--apple-border);
  border-radius: var(--radius-sm);
  padding: 0 12px;
  gap: 8px;
  transition: border-color 0.2s;
}

.search-field:focus-within {
  border-color: var(--apple-blue);
}

.search-field svg {
  color: var(--apple-text-secondary);
  flex-shrink: 0;
}

.search-field input {
  width: 100%;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 14px;
  outline: none;
  padding: 10px 0;
}

.search-field input::placeholder {
  color: var(--apple-text-secondary);
}

.sort-select {
  flex: 1;
}

/* Stats Bar */
.stats-bar {
  padding: 14px 20px 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--apple-text-secondary);
}

.stats-counter b {
  color: #fff;
  font-weight: 600;
}

.active-filter-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--apple-text-secondary);
  font-size: 11px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
}

/* Banners (Apple Editorial Callout Style) */
.pricing-explainer-banner, .portfolio-info-banner {
  margin: 8px 20px 16px;
  background: var(--apple-card);
  border: 1px solid var(--apple-border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--apple-text-secondary);
  backdrop-filter: blur(10px);
}

.pricing-explainer-banner b, .portfolio-info-banner b {
  color: var(--apple-text-primary);
}

.portfolio-info-banner {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.p-info-icon {
  font-size: 24px;
  line-height: 1;
}

.p-info-text h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.p-info-text p {
  font-size: 13px;
  color: var(--apple-text-secondary);
  line-height: 1.45;
}

/* ==========================================================================
   Apple Product Cards (Deals, Crafts, Portfolio)
   ========================================================================== */
.deals-list {
  padding: 0 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.deal-card {
  background: var(--apple-card);
  border: 1px solid var(--apple-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--apple-shadow);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease, box-shadow 0.25s ease;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
}

.deal-card:hover {
  border-color: var(--apple-border-light);
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.65);
}

.deal-card:active {
  transform: scale(0.985);
}

.deal-card.is-hot {
  border-color: rgba(255, 159, 10, 0.35);
}

.deal-card.is-hot::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #ff9f0a, #ff453a);
}

/* Deal Header & Image */
.deal-top {
  display: flex;
  padding: 16px 18px;
  gap: 16px;
  align-items: center;
}

.lot-img {
  width: 90px;
  height: 90px;
  border-radius: var(--radius-md);
  object-fit: contain;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.08) 0%, rgba(18, 18, 20, 0.9) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  padding: 6px;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.deal-card:hover .lot-img {
  transform: scale(1.04);
}

.lot-details {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.lot-title-line {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.lot-title {
  font-size: 17px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.02em;
}

.lot-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--apple-blue);
  background: var(--apple-blue-subtle);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
}

.lot-sub-line {
  font-size: 13px;
  color: var(--apple-text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 2px;
}

.tag-badge, .deal-tier-tag {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.tag-black, .tier-black {
  background: #000;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.tag-monochrome, .tier-monochrome {
  background: var(--apple-purple-subtle);
  color: #d084fc;
  border: 1px solid rgba(191, 90, 242, 0.3);
}

.tag-regular, .tier-regular {
  background: rgba(255, 255, 255, 0.08);
  color: var(--apple-text-secondary);
}

.route-desc {
  font-size: 12px;
  color: var(--apple-text-tertiary);
  margin-top: 4px;
}

.route-desc b {
  color: var(--apple-text-secondary);
}

/* Pricing Matrix / Apple Specs Layout */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: rgba(0, 0, 0, 0.35);
  padding: 12px 18px;
  border-top: 1px solid var(--apple-border);
  border-bottom: 1px solid var(--apple-border);
  gap: 10px;
}

.p-col {
  display: flex;
  flex-direction: column;
}

.p-tag {
  font-size: 11px;
  font-weight: 500;
  color: var(--apple-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.p-val {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  margin-top: 3px;
  letter-spacing: -0.02em;
}

.p-val.text-green {
  color: var(--apple-green);
}

.p-sub {
  font-size: 11px;
  color: var(--apple-text-tertiary);
  margin-top: 1px;
}

.p-sub.text-green {
  color: rgba(48, 209, 88, 0.85);
  font-weight: 600;
}

/* Price Origin & Calculation Breakdown */
.price-origin-box {
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--apple-border);
  padding: 10px 18px;
  font-size: 12px;
  line-height: 1.45;
}

.origin-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

.origin-icon {
  font-size: 13px;
}

.origin-title {
  color: var(--apple-text-secondary);
}

.origin-title b {
  color: var(--apple-blue);
  font-weight: 600;
}

.origin-details {
  margin-top: 4px;
  color: var(--apple-text-secondary);
  font-size: 12px;
}

/* Signals / Chips */
.signals-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 18px;
}

.sig-chip {
  font-size: 11px;
  background: rgba(255, 255, 255, 0.06);
  padding: 4px 9px;
  border-radius: var(--radius-pill);
  color: var(--apple-text-secondary);
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.sig-chip.hot {
  background: var(--apple-orange-subtle);
  color: var(--apple-orange);
  border-color: rgba(255, 159, 10, 0.25);
  font-weight: 600;
}

/* Card Action Buttons (Apple Pill Action Style) */
.card-actions {
  display: flex;
  padding: 12px 18px;
  gap: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  background: rgba(0, 0, 0, 0.15);
}

.buy-btn, .port-btn, .clean-btn {
  padding: 12px 16px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  letter-spacing: -0.01em;
}

.buy-btn {
  flex: 1.4;
  background: var(--apple-blue);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(10, 132, 255, 0.3);
}

.buy-btn:hover {
  background: var(--apple-blue-hover);
}

.buy-btn:active {
  transform: scale(0.97);
}

.port-btn {
  flex: 1;
  background: rgba(255, 255, 255, 0.1);
  color: var(--apple-text-primary);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.port-btn:hover {
  background: rgba(255, 255, 255, 0.16);
}

.port-btn:active {
  transform: scale(0.97);
}

.clean-btn {
  background: rgba(255, 255, 255, 0.08);
  color: var(--apple-text-primary);
  border: 1px solid var(--apple-border);
}

.clean-btn:active {
  transform: scale(0.97);
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 24px;
  color: var(--apple-text-secondary);
}

.empty-emoji {
  font-size: 44px;
  margin-bottom: 12px;
}

.empty-title {
  font-size: 19px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.empty-sub {
  font-size: 14px;
  color: var(--apple-text-secondary);
  max-width: 300px;
  margin-bottom: 20px;
  line-height: 1.45;
}

/* ==========================================================================
   Portfolio Dashboard (Apple Health / Wallet Style)
   ========================================================================== */
.portfolio-metric-cards {
  margin: 0 20px 16px;
  background: var(--apple-card);
  border: 1px solid var(--apple-border);
  border-radius: var(--radius-lg);
  padding: 18px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  backdrop-filter: blur(14px);
}

.metric-box {
  display: flex;
  flex-direction: column;
}

.m-label {
  font-size: 11px;
  color: var(--apple-text-tertiary);
  font-weight: 500;
  text-transform: uppercase;
}

.m-val {
  font-size: 16px;
  font-family: var(--font-mono);
  font-weight: 700;
  margin-top: 4px;
  color: #fff;
  letter-spacing: -0.02em;
}

.m-val.text-green {
  color: var(--apple-green);
}

.portfolio-items-list {
  padding: 0 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.portfolio-card {
  background: var(--apple-card);
  border: 1px solid var(--apple-border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(12px);
  box-shadow: var(--apple-shadow-subtle);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-card:active {
  transform: scale(0.985);
}

/* ==========================================================================
   AI Reality Check Card
   ========================================================================== */
.ai-box {
  margin: 12px 20px 16px;
  background: var(--apple-card);
  border: 1px solid var(--apple-border);
  border-radius: var(--radius-lg);
  padding: 18px;
  backdrop-filter: blur(14px);
  box-shadow: var(--apple-shadow-subtle);
}

.ai-box-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
}

.ai-box-title h3 {
  font-size: 16px;
  color: #fff;
  letter-spacing: -0.01em;
}

.ai-box-title p {
  font-size: 13px;
  color: var(--apple-text-secondary);
  font-weight: 400;
  margin-top: 1px;
}

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

.ai-search-row input {
  flex: 1;
  background: var(--apple-tertiary-bg);
  border: 1px solid var(--apple-border);
  border-radius: var(--radius-pill);
  padding: 12px 18px;
  color: #fff;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.ai-search-row input:focus {
  border-color: var(--apple-blue);
}

.ai-action-btn {
  background: var(--apple-blue);
  color: #fff;
  border: none;
  border-radius: var(--radius-pill);
  padding: 0 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.ai-action-btn:hover {
  background: var(--apple-blue-hover);
}

.ai-action-btn:active {
  transform: scale(0.96);
}

.ai-result-box {
  margin: 0 20px 20px;
  background: var(--apple-card);
  border: 1px solid var(--apple-border);
  border-radius: var(--radius-lg);
  padding: 18px;
  backdrop-filter: blur(14px);
}

.ai-text {
  font-size: 14px;
  line-height: 1.6;
  white-space: pre-wrap;
  color: var(--apple-text-primary);
}

/* ==========================================================================
   Crafts Specific UI Elements
   ========================================================================== */
.deal-calc-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 12px;
  color: var(--apple-text-secondary);
  margin-top: 6px;
}

.deal-calc-box b {
  color: var(--apple-text-primary);
}

/* ==========================================================================
   Apple Frosted Tab Bar (Bottom Navigation)
   ========================================================================== */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  max-width: 580px;
  margin: 0 auto;
  height: 68px;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: var(--apple-glass-blur);
  -webkit-backdrop-filter: var(--apple-glass-blur);
  border-top: 1px solid var(--apple-border);
  display: flex;
  align-items: center;
  justify-content: space-around;
  z-index: 1000;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.nav-item {
  flex: 1;
  background: none;
  border: none;
  color: var(--apple-text-tertiary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 8px 0;
}

.nav-item.active {
  color: var(--apple-blue);
}

.nav-icon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-item:active .nav-icon {
  transform: scale(0.9);
}

.nav-badge {
  position: absolute;
  top: -4px;
  right: -12px;
  background: var(--apple-blue);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: var(--radius-pill);
  border: 1.5px solid #000;
}

.nav-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* Tab Content Transitions */
.tab-content {
  display: none;
  animation: fadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Toast Message */
.toast {
  position: fixed;
  bottom: 84px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(44, 44, 46, 0.95);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.6);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1100;
  backdrop-filter: blur(16px);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Footer Attribution */
footer {
  text-align: center;
  padding: 24px 20px 32px;
  font-size: 12px;
  color: var(--apple-text-tertiary);
}

footer a {
  color: var(--apple-blue);
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s;
}

footer a:hover {
  opacity: 0.8;
}


/* ==========================================================================
   Stage 5: Telegram Theme Variables, Tabular Nums & Skeletons
   ========================================================================== */

.tabular-nums {
  font-variant-numeric: tabular-nums;
  -webkit-font-feature-settings: "tnum";
  font-feature-settings: "tnum";
}

/* Shimmer Loading Skeletons */
.skeleton-card {
  background: var(--apple-card);
  border: 1px solid var(--apple-border);
  border-radius: var(--radius-md);
  padding: 16px;
  margin: 0 20px 12px;
}

.skeleton-line {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.04) 25%, rgba(255, 255, 255, 0.09) 50%, rgba(255, 255, 255, 0.04) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: 4px;
  margin-bottom: 8px;
}

.skeleton-title { height: 18px; width: 65%; }
.skeleton-text { height: 14px; width: 90%; }
.skeleton-text-short { height: 14px; width: 45%; }

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ==========================================================================
   Ledger (Paper Trading) Dashboard
   ========================================================================== */
.ledger-metrics-grid {
  margin: 12px 20px 14px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

@media (max-width: 440px) {
  .ledger-metrics-grid {
    grid-template-columns: 1fr;
  }
}

.metric-card {
  background: var(--apple-card);
  border: 1px solid var(--apple-border);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
}

.metric-card.card-winrate {
  border-top: 3px solid var(--apple-green);
}

.metric-card.card-unconfirmed {
  border-top: 3px solid var(--apple-text-tertiary);
}

.metric-card.card-target-hit {
  border-top: 3px solid var(--apple-blue);
}

.m-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.m-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--apple-text-secondary);
  text-transform: uppercase;
}

.m-badge {
  font-size: 9px;
  padding: 2px 6px;
  border-radius: var(--radius-pill);
  font-weight: 700;
}

.badge-green { background: var(--apple-green-subtle); color: var(--apple-green); }
.badge-gray { background: rgba(255, 255, 255, 0.08); color: var(--apple-text-secondary); }
.badge-blue { background: var(--apple-blue-subtle); color: var(--apple-blue); }

.m-value {
  font-size: 22px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #fff;
  margin: 4px 0 2px;
}

.m-sub {
  font-size: 11px;
  color: var(--apple-text-tertiary);
  line-height: 1.3;
}

.sub-metrics-row {
  margin: 0 20px 16px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--apple-border);
  border-radius: var(--radius-sm);
  padding: 10px;
}

@media (max-width: 480px) {
  .sub-metrics-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.sub-box {
  display: flex;
  flex-direction: column;
}

.sub-label {
  font-size: 10px;
  color: var(--apple-text-tertiary);
}

.sub-val {
  font-size: 13px;
  font-weight: 700;
  color: var(--apple-text-primary);
  margin-top: 2px;
}

.section-title-row {
  margin: 16px 20px 10px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.section-title-row h3 {
  font-size: 15px;
  font-weight: 700;
}

.section-note {
  font-size: 12px;
  color: var(--apple-text-tertiary);
}

.ledger-trades-list {
  margin: 0 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.trade-card {
  background: var(--apple-card);
  border: 1px solid var(--apple-border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.trade-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.trade-title {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

.trade-meta {
  font-size: 12px;
  color: var(--apple-text-secondary);
}

.trade-right {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
}

.trade-status-pill {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  text-transform: uppercase;
}

.status-confirmed_sale { background: var(--apple-green-subtle); color: var(--apple-green); }
.status-listing_disappeared_unconfirmed { background: rgba(255, 255, 255, 0.08); color: var(--apple-text-secondary); }
.status-open { background: var(--apple-blue-subtle); color: var(--apple-blue); }
.status-expired_unsold { background: rgba(255, 69, 58, 0.15); color: var(--apple-red); }

.trade-profit {
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-mono);
}

/* ==========================================================================
   Settings Form
   ========================================================================== */
.settings-form {
  margin: 12px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.settings-group {
  background: var(--apple-card);
  border: 1px solid var(--apple-border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
}

.group-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--apple-text-primary);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.setting-item {
  display: flex;
  flex-direction: column;
  margin-bottom: 12px;
  gap: 5px;
}

.setting-item label {
  font-size: 12px;
  color: var(--apple-text-secondary);
  font-weight: 500;
}

.setting-input, .setting-select {
  background: var(--apple-tertiary-bg);
  border: 1px solid var(--apple-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: #fff;
  font-size: 14px;
  font-family: var(--font-mono);
  outline: none;
}

.setting-input:focus, .setting-select:focus {
  border-color: var(--apple-blue);
}

.setting-item-toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.toggle-label {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  display: block;
}

.toggle-sub {
  font-size: 11px;
  color: var(--apple-text-tertiary);
}

.setting-checkbox {
  width: 20px;
  height: 20px;
  accent-color: var(--apple-blue);
  cursor: pointer;
}

.setting-row-flex {
  display: flex;
  gap: 12px;
}

.setting-item.half {
  flex: 1;
}

.primary-action-btn {
  background: var(--apple-blue);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: 14px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s;
}

.primary-action-btn:active {
  opacity: 0.85;
}

/* ==========================================================================
   System Vitals Tab
   ========================================================================== */
.system-cards-grid {
  margin: 12px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sys-card {
  background: var(--apple-card);
  border: 1px solid var(--apple-border);
  border-radius: var(--radius-md);
  padding: 16px;
}

.sys-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.sys-title {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}

.sys-status {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  font-weight: 700;
}

.sys-status.active { background: var(--apple-green-subtle); color: var(--apple-green); }
.sys-status.info { background: var(--apple-blue-subtle); color: var(--apple-blue); }

.sys-desc {
  font-size: 12px;
  color: var(--apple-text-secondary);
  line-height: 1.4;
}


/* ==========================================================================
   Compact Settings Tab (Single Screen Fit)
   ========================================================================== */
.settings-compact-panel {
  padding: 12px 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.setting-card {
  background: var(--apple-card, #1c1c1e);
  border: 1px solid var(--apple-border, rgba(255, 255, 255, 0.08));
  border-radius: var(--radius-md, 14px);
  padding: 14px 16px;
}

.setting-card .card-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--apple-text-secondary, #8e8e93);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.setting-card .card-title.mt-12 {
  margin-top: 14px;
}

.mode-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mode-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mode-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}

.mode-desc {
  font-size: 12px;
  color: var(--apple-text-secondary, #8e8e93);
}

/* iOS Toggle Switch */
.switch-toggle {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 30px;
  flex-shrink: 0;
}

.switch-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(120, 120, 128, 0.32);
  transition: .3s;
  border-radius: 30px;
}

.switch-slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 2px;
  bottom: 2px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.switch-toggle input:checked + .switch-slider {
  background-color: var(--apple-green, #34c759);
}

.switch-toggle input:checked + .switch-slider:before {
  transform: translateX(20px);
}

/* Compact Inputs Grid */
.compact-inputs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.c-input-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.c-input-card.c-span-2 {
  grid-column: span 2;
}

.c-label {
  font-size: 12px;
  color: var(--apple-text-secondary, #8e8e93);
  font-weight: 500;
}

.c-field {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--apple-border, rgba(255, 255, 255, 0.1));
  border-radius: 10px;
  padding: 6px 10px;
}

.c-field input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
}

.c-addon {
  font-size: 12px;
  font-weight: 600;
  color: var(--apple-text-secondary, #8e8e93);
  margin-left: 6px;
}

/* Chips Group */
.chips-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chips-group .chip {
  padding: 7px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--apple-text-secondary, #8e8e93);
  cursor: pointer;
  transition: all 0.2s ease;
}

.chips-group .chip.active {
  background: var(--apple-blue, #0a84ff);
  border-color: var(--apple-blue, #0a84ff);
  color: #fff;
  box-shadow: 0 2px 8px rgba(10, 132, 255, 0.35);
}

.settings-btn-wrap {
  margin-top: 4px;
}