:root {
  color-scheme: dark;
  --bg: #0b1116;
  --chrome: #101922;
  --card: #14202a;
  --card-2: #192734;
  --field: #203041;
  --line: rgba(255, 255, 255, 0.07);
  --line-strong: rgba(255, 255, 255, 0.15);
  --text: #eef6f8;
  --muted: #8fa0ad;
  --dim: #627482;
  --accent: #45d0c6;
  --accent-2: #8bb8ff;
  --gold: #d8b86a;
  --silver: #d7e6ec;
  --copper: #d08a62;
  --green: #6ee7a8;
  --red: #ff7f93;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Avenir Next Condensed", "Arial Narrow", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.phone-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 18% -12%, rgba(69, 208, 198, 0.18), transparent 25rem),
    radial-gradient(circle at 100% 10%, rgba(139, 184, 255, 0.1), transparent 20rem),
    var(--bg);
}

.auth-screen,
.app-screen {
  width: min(100%, 430px);
  min-height: 100vh;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.hidden {
  display: none !important;
}

.auth-screen {
  display: grid;
  align-content: center;
  gap: 18px;
  padding: max(34px, env(safe-area-inset-top)) 26px max(34px, env(safe-area-inset-bottom));
}

.brand-wordmark {
  font-weight: 900;
  letter-spacing: 0.18em;
  font-size: 1.05rem;
}

.brand-wordmark span,
.gold-heading,
.total-text {
  color: var(--accent);
}

.gold-text {
  color: var(--gold);
}

.section-title p,
.field span,
.form-message,
.market-sub,
small {
  color: var(--muted);
}

.segmented,
.metal-tabs {
  display: grid;
  gap: 6px;
  padding: 6px;
  border-radius: 14px;
  background: var(--card-2);
  border: 1px solid var(--line);
}

.auth-tabs {
  grid-template-columns: 1fr 1fr;
}

.segmented button,
.metal-tabs button,
.bottom-nav button,
.tool-card,
.ghost-button,
.primary-button,
.secondary-button {
  border: 0;
  color: var(--text);
}

.segmented button,
.metal-tabs button {
  min-height: 44px;
  border-radius: 10px;
  background: transparent;
  color: #9ba4b5;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.segmented button.active,
.metal-tabs button.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #081116;
}

.auth-panel {
  display: none;
}

.auth-panel.active {
  display: block;
}

.card,
.value-card,
.tool-card,
.market-list {
  background: linear-gradient(180deg, var(--card), #101820);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
}

.card {
  padding: 20px;
}

.section-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.section-title h1,
.hero-title h1,
.gold-heading {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 1rem;
  line-height: 1.25;
}

.section-title span,
.section-title p {
  margin: 0;
  font-size: 0.85rem;
}

.field {
  display: grid;
  gap: 7px;
  margin-top: 14px;
  font-size: 0.86rem;
}

input {
  width: 100%;
  min-height: 52px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--field);
  color: var(--text);
  padding: 0 14px;
  outline: 0;
}

input:focus {
  border-color: rgba(69, 208, 198, 0.75);
}

.primary-button,
.secondary-button {
  width: 100%;
  min-height: 48px;
  border-radius: 13px;
  margin-top: 12px;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.primary-button {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #081116;
}

.secondary-button {
  background: var(--field);
}

.secondary-button.danger,
.form-message.error {
  color: var(--red);
}

.form-message.info {
  color: var(--accent-2);
}

.form-message {
  min-height: 20px;
  text-align: center;
  font-size: 0.84rem;
}

.app-screen {
  display: flex;
  flex-direction: column;
}

.app-header {
  min-height: 78px;
  padding: max(20px, env(safe-area-inset-top)) 20px 14px;
  background: var(--chrome);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
}

.app-header p {
  margin: 3px 0 0;
  color: #a8b0c0;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  font-weight: 900;
}

.ghost-button {
  min-width: 72px;
  min-height: 34px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  font-size: 0.75rem;
}

.app-content {
  flex: 1;
  overflow: auto;
  padding: 22px 20px 112px;
  scrollbar-color: #aeb4c2 transparent;
}

.screen-view {
  display: none;
}

.screen-view.active {
  display: block;
}

.hero-title {
  text-align: center;
  padding: 4px 0 22px;
}

.hero-title h1 {
  font-size: 2.15rem;
  letter-spacing: 0.08em;
}

.hero-title h1 span {
  color: var(--accent);
}

.hero-title p {
  margin: 8px 0 0;
  color: var(--muted);
}

.spot-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--line);
  margin-bottom: 22px;
}

.spot-chip {
  min-height: 78px;
  background: var(--card);
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 4px;
}

.spot-chip span,
.metric-card span,
.value-card span {
  color: #99a2b4;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.7rem;
  font-weight: 900;
}

.spot-chip strong {
  color: var(--accent-2);
  font-size: 1.25rem;
}

.spot-chip small {
  font-size: 0.75rem;
}

.tool-list {
  display: grid;
  gap: 12px;
}

.tool-card {
  width: 100%;
  min-height: 98px;
  display: grid;
  grid-template-columns: 56px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 18px;
  text-align: left;
}

.tool-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(69, 208, 198, 0.12);
  color: var(--accent);
  font-weight: 900;
  font-size: 1.35rem;
}

.tool-card b {
  display: block;
  font-size: 1.08rem;
}

.tool-card small {
  display: block;
  margin-top: 4px;
  line-height: 1.35;
}

.tool-card i {
  color: var(--muted);
  font-style: normal;
  font-size: 1.8rem;
}

.spacious {
  margin: 28px 0 10px;
}

.market-dot {
  width: 10px;
  height: 10px;
  display: inline-block;
  border-radius: 50%;
  background: var(--green);
  margin-right: 6px;
}

.market-list {
  overflow: hidden;
  margin-bottom: 18px;
}

.market-row,
.holding-row,
.metric-card {
  display: grid;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--line);
}

.market-row {
  grid-template-columns: 4px 1fr auto;
  min-height: 92px;
  padding: 18px 20px;
}

.market-row:last-child,
.holding-row:last-child {
  border-bottom: 0;
}

.metal-bar {
  width: 4px;
  height: 44px;
  border-radius: 999px;
  background: var(--silver);
}

.market-name,
.holding-name {
  font-size: 1.05rem;
  font-weight: 900;
}

.market-code,
.holding-note {
  color: var(--muted);
  font-size: 0.78rem;
}

.market-price {
  text-align: right;
}

.market-price strong {
  display: block;
  font-size: 1.5rem;
}

.market-price small {
  display: block;
  color: var(--red);
  font-weight: 900;
}

.value-card {
  padding: 20px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px 18px;
  margin-bottom: 18px;
}

.value-card strong {
  font-size: 1.55rem;
  text-align: right;
}

.value-card .total-text {
  font-size: 2.45rem;
}

.spot-editor {
  margin-bottom: 18px;
}

.spot-editor h2 {
  margin: 0 0 14px;
  color: #b5bdcc;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.9rem;
}

.spot-input-wrap {
  position: relative;
}

.spot-input-wrap span {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: #b4bdca;
}

.spot-input-wrap input {
  padding-left: 42px;
  color: var(--accent);
  font-size: 1.1rem;
}

.metal-tabs {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-bottom: 18px;
}

.metal-tabs button {
  min-width: 0;
  padding: 0 4px;
  font-size: 0.72rem;
}

.calculator-card {
  padding: 18px;
}

.calculator-list {
  display: grid;
}

.holding-row {
  grid-template-columns: minmax(0, 1fr) 94px 78px;
  min-height: 86px;
  padding: 14px 0;
}

.holding-row input {
  min-height: 48px;
  text-align: right;
  font-size: 1.05rem;
}

.holding-value {
  text-align: right;
  color: #cfd6e2;
  font-weight: 900;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.metric-card {
  min-height: 108px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
}

.metric-card strong {
  font-size: 1.25rem;
}

.account-card {
  margin-top: 28px;
}

.bottom-nav {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  min-height: 84px;
  padding: 8px 14px max(10px, env(safe-area-inset-bottom));
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: rgba(11, 17, 22, 0.96);
  border-top: 1px solid rgba(69, 208, 198, 0.28);
}

.bottom-nav button {
  background: transparent;
  color: #778196;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 4px;
  text-transform: uppercase;
  font-weight: 900;
  letter-spacing: 0.08em;
  font-size: 0.68rem;
}

.bottom-nav button span {
  font-size: 1.45rem;
  line-height: 1;
}

.bottom-nav button.active {
  color: var(--accent);
}

@media (min-width: 520px) {
  .auth-screen,
  .app-screen {
    min-height: min(940px, 100vh);
    border-left: 1px solid var(--line);
    border-right: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
}

@media (max-width: 380px) {
  .app-content {
    padding-left: 14px;
    padding-right: 14px;
  }

  .holding-row {
    grid-template-columns: minmax(0, 1fr) 82px 68px;
  }

  .value-card .total-text {
    font-size: 2rem;
  }
}