/* Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  background-color: #0b0d13;
  color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  overflow-x: hidden;
}

/* App Viewport Container (Standard Mobile Dimensions on Desktop, Native Fluid on Mobile) */
.app-container {
  width: 100%;
  max-width: 440px;
  height: 100vh;
  background-color: #141722;
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.8);
  overflow: hidden;
}

/* Main Scrollable Content Area */
.scroll-content {
  flex: 1;
  overflow-y: auto;
  padding-bottom: 85px; /* Leave space for bottom nav */
  scrollbar-width: thin;
  scrollbar-color: #2a2e3d transparent;
}

.scroll-content::-webkit-scrollbar {
  width: 4px;
}
.scroll-content::-webkit-scrollbar-thumb {
  background: #2a2e3d;
  border-radius: 4px;
}

/* ==========================================================================
   Yellow Header Section
   ========================================================================== */
.header-yellow {
  background-color: #f7f230; /* Vivid Kore Yellow */
  padding: 16px 18px 24px 18px;
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
  color: #111111;
}

/* Top Nav */
.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-title {
  font-size: 20px;
  font-weight: 800;
  color: #111111;
  letter-spacing: -0.3px;
}

.profile-btn {
  background: rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 12px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease;
}

.profile-btn:active {
  background: rgba(0, 0, 0, 0.12);
}

/* Assets Row */
.assets-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 22px;
}

.assets-label {
  font-size: 15px;
  font-weight: 500;
  color: #6e7314;
}

.login-btn {
  align-self: flex-start;
  background-color: #eba310; /* Golden Yellow Login Button */
  color: #111111;
  font-size: 15px;
  font-weight: 700;
  padding: 8px 26px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(235, 163, 16, 0.25);
  transition: transform 0.1s ease, filter 0.2s ease;
}

.login-btn:active {
  transform: scale(0.97);
  filter: brightness(0.95);
}

/* Action Icons Row */
.action-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  text-align: center;
}

.action-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.action-circle {
  width: 52px;
  height: 52px;
  background-color: #171b26; /* Dark Circle */
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
  transition: transform 0.15s ease, background-color 0.2s ease;
}

.action-item:hover .action-circle {
  transform: translateY(-2px);
  background-color: #222736;
}

.action-label {
  font-size: 12px;
  font-weight: 600;
  color: #111111;
  white-space: nowrap;
}

/* ==========================================================================
   Banner Promo Section
   ========================================================================== */
.banner-section {
  padding: 16px;
}

.promo-card {
  background: linear-gradient(145deg, #13151e 0%, #0e1019 60%, #111420 100%);
  border: 1px solid #2a2e40;
  border-radius: 16px;
  padding: 18px 16px 18px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  overflow: hidden;
  min-height: 140px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6), inset 0 0 80px rgba(0, 180, 100, 0.03);
}

.promo-content {
  z-index: 2;
  flex: 1;
}

.promo-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
}

.promo-brand-text {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 2px;
  color: #ffffff;
}

/* VIP Card specific styles */
.vip-card {
  background: linear-gradient(145deg, #0e1218 0%, #0c1016 50%, #111826 100%);
  border: 1px solid #1e2a3a;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.7), inset 0 0 60px rgba(0, 120, 80, 0.04);
}

.vip-title {
  font-size: 20px;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 6px;
  line-height: 1.2;
}

.vip-desc {
  font-size: 13px;
  font-weight: 400;
  color: #8a9ab0;
  margin-bottom: 2px;
}

.vip-desc strong {
  font-weight: 700;
  color: #00d47a;
}

.vip-sub {
  font-size: 12px;
  color: #8a9ab0;
  margin-bottom: 8px;
}

.vip-rate {
  font-size: 13px;
  font-weight: 600;
  color: #ccd4e0;
}

.vip-rate-num {
  font-size: 22px;
  font-weight: 900;
  color: #f7f230;
  margin-left: 2px;
}

.vip-graphic {
  flex-shrink: 0;
  animation: float 4s ease-in-out infinite;
}

.neon-cube,
.neon-emblem {
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}


/* ==========================================================================
   Market Section
   ========================================================================== */
.market-section {
  padding: 8px 18px 20px 18px;
}

.market-title {
  font-size: 22px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 14px;
}

.market-headers {
  display: grid;
  grid-template-columns: 2.2fr 1.8fr 2fr;
  align-items: center;
  font-size: 13px;
  font-weight: 500;
  color: #727b8a;
  padding-bottom: 12px;
}

.col-coin { text-align: left; }
.col-trend { text-align: center; }
.col-price { text-align: right; }

/* Coin List Rows */
.coin-list {
  display: flex;
  flex-direction: column;
}

.coin-row {
  display: grid;
  grid-template-columns: 2.2fr 1.8fr 2fr;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background-color 0.15s ease;
  cursor: pointer;
}

.coin-row:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.coin-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Coin Icons Styling */
.coin-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  color: #ffffff;
  flex-shrink: 0;
}

.icon-btc { background: linear-gradient(135deg, #f7931a, #d87902); }
.icon-eth { background: linear-gradient(135deg, #627eea, #3b50a1); }
.icon-trump { background: #000000; border: 1px solid #333; font-size: 8px; }
.trump-badge { background: #ff4d4f; color: #fff; padding: 2px 4px; border-radius: 3px; font-weight: 800; }
.icon-xtz { background: #2c7df7; font-size: 13px; font-weight: 700; }
.icon-ada { background: #0033ad; font-size: 18px; }
.icon-trx { background: #ef0027; font-size: 11px; }
.icon-bnb { background: #f3ba2f; color: #111; }
.icon-yfi { background: #006ae3; }
.icon-a { background: #2563eb; font-size: 11px; font-weight: 800; }
.icon-melania { background: #222; font-size: 16px; border: 1px solid #444; }
.icon-etc { background: #34fa99; color: #111; }
.icon-xrp { background: #000000; border: 1px solid #333; }
.icon-sol { background: linear-gradient(135deg, #9945ff, #14f195); }
.icon-usdc { background: #2775ca; font-weight: 700; }
.icon-ltc { background: #345d9d; }
.icon-knc { background: #31cb9e; font-size: 18px; }
.icon-doge { background: #c2a633; }
.icon-vet { background: #15bdff; font-weight: 800; }
.icon-shib { background: #e04400; font-size: 16px; }
.icon-qtum { background: #2e9ad0; font-size: 16px; }

.coin-names {
  display: flex;
  flex-direction: column;
}

.coin-symbol {
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
}

.coin-pair {
  font-size: 11px;
  font-weight: 500;
  color: #616a78;
  margin-top: 2px;
}

/* Sparklines */
.coin-chart {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 32px;
}

.sparkline {
  width: 75px;
  height: 28px;
  overflow: visible;
}

/* Prices & Percentage Colors */
.coin-pricing {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.coin-price {
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
}

.coin-change {
  font-size: 12px;
  font-weight: 600;
  margin-top: 3px;
}

.change-up { color: #00d084; }
.change-down { color: #ff4d4f; }
.change-zero { color: #00d084; }

/* ==========================================================================
   Fixed Bottom Navigation Bar
   ========================================================================== */
.bottom-nav {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 72px;
  background-color: #141722;
  border-top: 1px solid #1f2433;
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding-bottom: 12px;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-decoration: none;
  color: #7b8392; /* Inactive color */
  transition: color 0.15s ease, transform 0.15s ease;
  width: 25%;
}

.nav-item:active {
  transform: scale(0.95);
}

.nav-label {
  font-size: 11px;
  font-weight: 500;
}

/* Active State styling */
.nav-item.active {
  color: #f7f230; /* Active Yellow */
}

.nav-item.active .nav-icon svg {
  stroke: #f7f230;
}

/* Home Indicator Pill */
.home-indicator {
  position: absolute;
  bottom: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 4px;
  background-color: #3b4252;
  border-radius: 2px;
}