:root {
  --bg: #07111a;
  --bg-deep: #040b11;
  --panel: rgba(9, 16, 27, 0.78);
  --panel-strong: rgba(10, 18, 31, 0.94);
  --panel-border: rgba(145, 205, 255, 0.14);
  --card: rgba(13, 21, 35, 0.88);
  --card-hover: rgba(17, 27, 44, 0.94);
  --text: #eef8ff;
  --muted: #8ea6b9;
  --muted-strong: #b5cad8;
  --accent: #67d5ff;
  --accent-soft: rgba(103, 213, 255, 0.16);
  --accent-strong: #ffd166;
  --accent-hot: #ff7a59;
  --line: rgba(255, 255, 255, 0.06);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.34);
  --shadow-soft: 0 12px 30px rgba(0, 0, 0, 0.18);
}

* {
  box-sizing: border-box;
  min-width: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Plus Jakarta Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(103, 213, 255, 0.16), transparent 30%),
    radial-gradient(circle at 85% 12%, rgba(255, 122, 89, 0.14), transparent 26%),
    radial-gradient(circle at 55% 100%, rgba(255, 209, 102, 0.08), transparent 30%),
    linear-gradient(180deg, #07111a 0%, #091522 44%, #040b11 100%);
  overflow-x: hidden;
}

button,
input,
select {
  font: inherit;
}

.backdrop {
  position: fixed;
  inset: auto;
  width: 28rem;
  height: 28rem;
  border-radius: 999px;
  filter: blur(48px);
  opacity: 0.42;
  pointer-events: none;
  animation: drift 22s ease-in-out infinite;
}

.backdrop-a {
  top: -8rem;
  left: -6rem;
  background: rgba(78, 202, 255, 0.48);
}

.backdrop-b {
  right: -10rem;
  bottom: -8rem;
  background: rgba(255, 122, 89, 0.34);
  animation-delay: -11s;
}

.grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.26;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 88%);
}

.shell {
  width: min(1680px, calc(100vw - 2rem));
  margin: 0 auto;
  padding: 2.2rem 0 4.5rem;
}

.panel,
.glass,
.tab-bar {
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
}

.panel {
  border-radius: 30px;
  padding: 1.4rem;
  position: relative;
  overflow: hidden;
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.14), transparent);
  pointer-events: none;
}

.glass {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.03));
  border-radius: 22px;
}

.hero {
  display: grid;
  gap: 1.75rem;
  grid-template-columns: 1.2fr 0.9fr;
  align-items: stretch;
  overflow: hidden;
  padding: 1.7rem;
  background:
    radial-gradient(circle at top right, rgba(103, 213, 255, 0.12), transparent 32%),
    linear-gradient(180deg, rgba(12, 20, 34, 0.92), rgba(8, 14, 22, 0.84));
}

.hero h1,
.section-head h2,
.panel-head h3 {
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.04em;
  margin: 0;
}

.hero h1 {
  font-size: clamp(2.7rem, 5vw, 5rem);
  line-height: 0.95;
  max-width: 10ch;
  text-wrap: balance;
}

.hero-text,
.panel-head p,
.section-head p,
.history-meta,
.empty-state {
  color: var(--muted);
}

.hero-copy {
  display: grid;
  align-content: center;
  gap: 0.9rem;
}

.hero-text {
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.65;
  margin: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 0.35rem;
}

.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.72rem;
  font-weight: 700;
}

.hero-stats {
  display: grid;
  gap: 0.95rem;
  align-content: center;
}

.stat-card {
  padding: 1.05rem 1.15rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-soft);
  animation: float 10s ease-in-out infinite;
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: "";
  position: absolute;
  inset: auto -18% -55% auto;
  width: 8rem;
  height: 8rem;
  border-radius: 999px;
  opacity: 0.22;
  filter: blur(12px);
}

.stat-popular::after {
  background: var(--accent);
}

.stat-expensive::after {
  background: var(--accent-hot);
}

.stat-items::after {
  background: var(--accent-strong);
}

.stat-card:nth-child(2) {
  animation-delay: -3s;
}

.stat-card:nth-child(3) {
  animation-delay: -6s;
}

.stat-label,
.stat-meta {
  display: block;
}

.stat-label {
  color: var(--muted-strong);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.stat-card strong {
  display: block;
  margin: 0.42rem 0 0.28rem;
  font-size: 2.15rem;
  font-family: "Space Grotesk", sans-serif;
}

.stat-meta {
  font-size: 0.8rem;
  color: rgba(238, 248, 255, 0.72);
}

.tab-bar {
  position: sticky;
  top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 1.4rem 0;
  padding: 0.65rem;
  border-radius: 28px;
  z-index: 20;
  background: rgba(8, 15, 24, 0.82);
}

.tab {
  border: 0;
  border-radius: 22px;
  background: transparent;
  color: var(--muted);
  padding: 1rem 1.15rem;
  cursor: pointer;
  transition: color 200ms ease, transform 220ms cubic-bezier(0.34, 1.56, 0.64, 1);
  text-align: left;
  display: grid;
  gap: 0.28rem;
  min-height: 88px;
  align-content: center;
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.tab:hover {
  color: var(--text);
  transform: translateY(-2px);
}

.tab.is-active {
  color: var(--text);
  transform: translateY(-1px);
}

.tab-indicator {
  position: absolute;
  top: 0.65rem;
  left: 0;
  height: calc(100% - 1.3rem);
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(103, 213, 255, 0.2), rgba(255, 209, 102, 0.16)),
    rgba(255, 255, 255, 0.04);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08), 0 4px 16px rgba(103, 213, 255, 0.08);
  transition:
    transform 380ms cubic-bezier(0.34, 1.56, 0.64, 1),
    width 380ms cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
  will-change: transform, width;
}

.tab-title {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
}

.tab-copy {
  display: block;
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.45;
}

.tab.is-active .tab-copy,
.tab:hover .tab-copy {
  color: rgba(236, 247, 255, 0.82);
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
  animation: slideInRight 440ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.tab-panel.is-active.from-left {
  animation-name: slideInLeft;
}

.section-head,
.panel-head,
.button-row,
.history-meta,
.mini-stats {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.section-head {
  margin-bottom: 1.05rem;
}

.button,
.button:visited {
  border: 0;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.86rem 1.15rem;
  cursor: pointer;
  transition: transform 200ms cubic-bezier(0.34, 1.56, 0.64, 1), filter 170ms ease, background 170ms ease, box-shadow 170ms ease;
  font-weight: 700;
  will-change: transform;
}

.button:hover {
  transform: translateY(-2px);
  filter: brightness(1.06);
}

.button:active:not(.is-bouncing) {
  transform: translateY(1px) scale(0.95);
  transition: transform 55ms ease;
  filter: brightness(0.94);
}

.button.is-bouncing {
  animation: bounceClick 440ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.button.primary {
  color: #07111a;
  background: linear-gradient(135deg, var(--accent), #b0eeff);
  box-shadow: 0 10px 24px rgba(103, 213, 255, 0.2);
}

.button.ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.market-grid {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.riven-grid {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  align-items: start;
}

.card-list {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.05rem;
}

.market-card {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 0.9rem;
  align-items: center;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0)),
    var(--card);
  border: 1px solid rgba(145, 205, 255, 0.11);
  border-radius: 22px;
  padding: 0.95rem;
  transform: translateY(0);
  transition: transform 220ms cubic-bezier(0.34, 1.56, 0.64, 1), border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
  width: 100%;
  color: inherit;
  text-align: left;
  cursor: pointer;
  text-decoration: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
  position: relative;
  overflow: hidden;
}

.market-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(103, 213, 255, 0.07) 50%,
    transparent 70%
  );
  transform: translateX(-100%);
  pointer-events: none;
}

.market-card:hover {
  transform: translateY(-4px);
  border-color: rgba(103, 213, 255, 0.3);
  background:
    linear-gradient(180deg, rgba(103, 213, 255, 0.05), rgba(255, 255, 255, 0)),
    var(--card-hover);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.24), 0 0 0 1px rgba(103, 213, 255, 0.08);
}

.market-card:hover::after {
  transform: translateX(100%);
  transition: transform 650ms ease;
}

.tab-panel.is-active .market-card {
  animation: cardEnter 400ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.tab-panel.is-active .card-list > :nth-child(1)  { animation-delay:  45ms; }
.tab-panel.is-active .card-list > :nth-child(2)  { animation-delay:  80ms; }
.tab-panel.is-active .card-list > :nth-child(3)  { animation-delay: 115ms; }
.tab-panel.is-active .card-list > :nth-child(4)  { animation-delay: 150ms; }
.tab-panel.is-active .card-list > :nth-child(5)  { animation-delay: 185ms; }
.tab-panel.is-active .card-list > :nth-child(6)  { animation-delay: 220ms; }
.tab-panel.is-active .card-list > :nth-child(7)  { animation-delay: 255ms; }
.tab-panel.is-active .card-list > :nth-child(8)  { animation-delay: 290ms; }
.tab-panel.is-active .card-list > :nth-child(9)  { animation-delay: 325ms; }
.tab-panel.is-active .card-list > :nth-child(10) { animation-delay: 360ms; }
.tab-panel.is-active .card-list > :nth-child(11) { animation-delay: 395ms; }
.tab-panel.is-active .card-list > :nth-child(12) { animation-delay: 430ms; }

.thumb {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border-radius: 16px;
  background:
    radial-gradient(circle at top, rgba(103, 213, 255, 0.15), transparent 72%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  padding: 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.card-copy h4 {
  margin: 0 0 0.36rem;
  font-size: 1.02rem;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.card-copy p,
.price-block span,
.chip,
.mini-stat span {
  color: var(--muted);
  font-size: 0.84rem;
}

.card-copy p {
  margin: 0;
}

.price-block {
  text-align: right;
  min-width: 96px;
}

.price-block strong {
  display: block;
  font-size: 1.7rem;
  font-family: "Space Grotesk", sans-serif;
  color: #fff4d6;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.55rem;
}

.chip {
  padding: 0.36rem 0.62rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.panel-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.panel-pill-popular {
  background: rgba(103, 213, 255, 0.12);
  color: #8de4ff;
}

.panel-pill-expensive {
  background: rgba(255, 122, 89, 0.12);
  color: #ffb39e;
}

.panel-pill-riven {
  background: rgba(255, 209, 102, 0.14);
  color: #ffe5a3;
}

.search-panel {
  display: grid;
  gap: 1rem;
  background:
    radial-gradient(circle at top right, rgba(103, 213, 255, 0.08), transparent 24%),
    linear-gradient(180deg, rgba(10, 18, 31, 0.92), rgba(8, 14, 22, 0.84));
}

.riven-form {
  grid-template-columns: 1fr auto;
}

.search-form {
  display: grid;
  gap: 1rem;
}

.search-form {
  grid-template-columns: 2.5fr repeat(2, minmax(150px, 1fr)) auto;
  align-items: end;
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field span {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.field input,
.field select {
  border: 1px solid rgba(145, 205, 255, 0.16);
  border-radius: 18px;
  padding: 0.95rem 1rem;
  color: var(--text);
  background: rgba(4, 10, 18, 0.55);
  outline: none;
  transition: border-color 170ms ease, box-shadow 170ms ease, background 170ms ease;
}

.field input:focus,
.field select:focus {
  border-color: rgba(103, 213, 255, 0.5);
  box-shadow: 0 0 0 3px rgba(103, 213, 255, 0.12);
  background: rgba(6, 12, 22, 0.72);
}

.chart-panel {
  position: relative;
  min-height: 360px;
  padding: 1rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background:
    radial-gradient(circle at top, rgba(103, 213, 255, 0.08), transparent 40%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
}

#history-chart {
  width: 100%;
  height: 360px;
  display: block;
}

.chart-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 0.95rem;
}

.mini-stats {
  flex-wrap: wrap;
  justify-content: flex-start;
}

.mini-stat {
  min-width: 150px;
  padding: 1rem 1rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.mini-stat strong {
  display: block;
  margin-top: 0.3rem;
  font-size: 1.18rem;
}

.riven-result {
  min-height: 240px;
  align-items: stretch;
  text-align: left;
}

.riven-detail {
  display: grid;
  gap: 1rem;
}

.riven-hero {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02)),
    rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.riven-hero-link {
  color: inherit;
  text-decoration: none;
  transition: transform 170ms ease, border-color 170ms ease, background 170ms ease, box-shadow 170ms ease;
}

.riven-hero-link:hover {
  transform: translateY(-2px);
  border-color: rgba(103, 213, 255, 0.24);
  background:
    linear-gradient(180deg, rgba(103, 213, 255, 0.05), rgba(255, 255, 255, 0.02)),
    rgba(255, 255, 255, 0.03);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.18);
}

.riven-hero h4 {
  margin: 0 0 0.3rem;
  font-size: 1.1rem;
}

.riven-price {
  text-align: right;
  min-width: 104px;
}

.riven-price strong {
  display: block;
  font-size: 1.9rem;
  font-family: "Space Grotesk", sans-serif;
  color: #fff1cf;
}

.riven-price-sub {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted, #8b8f9a);
  margin-top: 2px;
}

.riven-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.riven-stat {
  padding: 0.65rem 0.8rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.06);
  min-width: 160px;
}

.riven-stat strong {
  display: block;
  font-size: 0.95rem;
}

.riven-stat span {
  display: block;
  margin-top: 0.24rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.riven-stat-positive strong {
  color: #8ce4d2;
}

.riven-stat-negative strong {
  color: #ffb39e;
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 110px;
  text-align: center;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.2rem;
  transform: translate(-50%, 140%);
  background: rgba(5, 10, 18, 0.94);
  color: var(--text);
  border: 1px solid rgba(145, 205, 255, 0.14);
  border-radius: 999px;
  padding: 0.85rem 1rem;
  box-shadow: var(--shadow);
  transition: transform 300ms cubic-bezier(0.4, 0, 1, 1);
  z-index: 50;
}

.toast.is-visible {
  animation: toastIn 460ms cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.reveal {
  opacity: 0;
  transform: translateY(24px) scale(0.98);
  animation: reveal 760ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.reveal:nth-child(2) {
  animation-delay: 120ms;
}

.reveal:nth-child(3) {
  animation-delay: 220ms;
}

@keyframes drift {
  0%   { transform: translate3d(0, 0, 0) scale(1) rotate(0deg); }
  25%  { transform: translate3d(2rem, -2.2rem, 0) scale(1.07) rotate(2deg); }
  50%  { transform: translate3d(1rem, -0.8rem, 0) scale(1.11) rotate(-1.5deg); }
  75%  { transform: translate3d(-1rem, -2.6rem, 0) scale(1.06) rotate(1.5deg); }
  100% { transform: translate3d(0, 0, 0) scale(1) rotate(0deg); }
}

@keyframes float {
  0%   { transform: translateY(0) rotate(0deg); }
  30%  { transform: translateY(-5px) rotate(0.35deg); }
  60%  { transform: translateY(-8px) rotate(-0.3deg); }
  100% { transform: translateY(0) rotate(0deg); }
}

@keyframes reveal {
  0%   { opacity: 0; transform: translateY(24px) scale(0.98); }
  55%  { opacity: 1; }
  78%  { transform: translateY(-4px) scale(1.005); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes bounceClick {
  0%   { transform: translateY(0) scale(1); }
  18%  { transform: translateY(2px) scale(0.91); }
  48%  { transform: translateY(-6px) scale(1.09); }
  70%  { transform: translateY(-1px) scale(1.02); }
  86%  { transform: translateY(1px) scale(0.99); }
  100% { transform: translateY(0) scale(1); }
}

@keyframes cardEnter {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes toastIn {
  from { transform: translate(-50%, 120%); }
  52%  { transform: translate(-50%, -8px); }
  74%  { transform: translate(-50%, 4px); }
  100% { transform: translate(-50%, 0); }
}

@media (max-width: 960px) {
  .hero,
  .market-grid,
  .riven-grid,
  .search-form {
    grid-template-columns: 1fr;
  }

  .tab-bar {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .riven-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1280px) {
  .shell {
    width: min(1360px, calc(100vw - 1.5rem));
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .market-grid,
  .riven-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1040px) {
  .tab-bar {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .search-form,
  .riven-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .shell {
    width: min(100vw - 1rem, 1180px);
    padding-top: 1rem;
  }

  .panel {
    border-radius: 22px;
    padding: 1rem;
  }

  .hero {
    padding: 1.2rem;
  }

  .market-card {
    grid-template-columns: 60px minmax(0, 1fr);
    text-align: left;
  }

  .riven-hero {
    grid-template-columns: 1fr;
  }

  .riven-price {
    text-align: left;
  }

  .price-block {
    text-align: left;
    grid-column: 1 / -1;
  }

  .thumb {
    width: 60px;
    height: 60px;
  }
}