:root {
  --ink: #14201a;
  --ink-soft: #3d4f45;
  --paper: #f3efe6;
  --paper-2: #e8e1d2;
  --line: rgba(20, 32, 26, 0.12);
  --buy: #0f6b4c;
  --buy-soft: rgba(15, 107, 76, 0.12);
  --sell: #9a3412;
  --sell-soft: rgba(154, 52, 18, 0.12);
  --accent: #c4a35a;
  --accent-deep: #8a6d2f;
  --panel: rgba(255, 252, 246, 0.82);
  --shadow: 0 18px 50px rgba(20, 32, 26, 0.08);
  --radius: 18px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  background: var(--paper);
  line-height: 1.45;
}

.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 500px at 8% -10%, rgba(196, 163, 90, 0.28), transparent 60%),
    radial-gradient(700px 420px at 100% 0%, rgba(15, 107, 76, 0.16), transparent 55%),
    linear-gradient(165deg, #f7f3ea 0%, #ebe4d4 45%, #e2dcc8 100%);
}

.page-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2314201a' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  justify-content: space-between;
  align-items: flex-end;
  padding: 1.5rem clamp(1rem, 3vw, 2.5rem) 0.5rem;
  animation: rise 0.7s ease both;
}

.brand {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  min-width: 4.5rem;
  height: 4.5rem;
  padding: 0 0.6rem;
  border-radius: 1rem;
  background: linear-gradient(145deg, #1a3d30, #0f6b4c);
  color: #f6f1e4;
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.04em;
  box-shadow: var(--shadow);
}

.brand h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.tagline {
  margin: 0.25rem 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.top-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: end;
}

.window-select {
  display: grid;
  gap: 0.25rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.window-select select,
.tx-form select,
.tx-form input,
.install-form input,
.install-form textarea {
  font: inherit;
  color: var(--ink);
  background: #fffdf8;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.65rem 0.8rem;
}

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.7rem 1.15rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn.primary {
  background: linear-gradient(135deg, #1a3d30, #0f6b4c);
  color: #f7f2e7;
}

.btn.ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.btn.danger {
  background: transparent;
  border-color: rgba(154, 52, 18, 0.35);
  color: var(--sell);
  padding: 0.35rem 0.7rem;
  font-size: 0.85rem;
}

.layout {
  padding: 1rem clamp(1rem, 3vw, 2.5rem) 3rem;
  display: grid;
  gap: 1.25rem;
}

.hero-status {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1rem;
  animation: rise 0.8s 0.08s ease both;
}

.hero-copy,
.hero-insight {
  padding: 1.4rem 1.5rem;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.hero-rate {
  margin: 0.35rem 0;
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
}

.hero-meta,
.insight-detail {
  margin: 0;
  color: var(--ink-soft);
}

.insight-value {
  margin: 0.35rem 0;
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  color: var(--buy);
  font-weight: 500;
}

.mono {
  font-family: var(--font-mono);
}

.strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  animation: rise 0.8s 0.12s ease both;
}

.stat {
  padding: 1rem 1.1rem;
  border-radius: 14px;
  background: rgba(255, 252, 246, 0.7);
  border: 1px solid var(--line);
}

.stat span {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.stat strong {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 500;
}

.panel,
.chart-section {
  padding: 1.25rem 1.35rem 1.4rem;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
  animation: rise 0.85s ease both;
}

.section-head {
  margin-bottom: 1rem;
}

.section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
}

.section-head p {
  margin: 0.3rem 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.chart-wrap {
  position: relative;
  min-height: 280px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th,
td {
  text-align: left;
  padding: 0.65rem 0.5rem;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

th {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 600;
}

tbody tr {
  transition: background 0.15s ease;
}

tbody tr:hover {
  background: rgba(196, 163, 90, 0.08);
}

.badge-buy {
  color: var(--buy);
  background: var(--buy-soft);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.badge-sell {
  color: var(--sell);
  background: var(--sell-soft);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.weekday-bars {
  display: grid;
  gap: 0.7rem;
}

.weekday-row {
  display: grid;
  grid-template-columns: 6rem 1fr auto;
  gap: 0.75rem;
  align-items: center;
}

.weekday-bar {
  height: 0.7rem;
  border-radius: 999px;
  background: rgba(20, 32, 26, 0.08);
  overflow: hidden;
}

.weekday-bar > i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, #1a3d30, var(--accent));
  transition: width 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.tx-form {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.75rem;
  align-items: end;
  margin-bottom: 1rem;
}

.tx-form label,
.install-form label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.tx-form .grow {
  grid-column: span 2;
}

.ops-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.notes {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
}

.notes li {
  margin-bottom: 0.45rem;
}

.sync-meta {
  margin: 1rem 0 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  max-width: min(420px, calc(100vw - 2rem));
  padding: 0.9rem 1.1rem;
  border-radius: 14px;
  background: #1a3d30;
  color: #f7f2e7;
  box-shadow: var(--shadow);
  z-index: 50;
  animation: rise 0.35s ease both;
}

.toast.error {
  background: #7f1d1d;
}

.flash.error {
  padding: 0.9rem 1rem;
  border-radius: 12px;
  background: #fde8e8;
  color: #7f1d1d;
  border: 1px solid rgba(127, 29, 29, 0.2);
  margin-bottom: 1rem;
}

.install-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}

.install-shell {
  width: min(640px, 100%);
}

.install-header {
  margin-bottom: 1.25rem;
}

.install-header h1 {
  margin: 0.6rem 0 0.35rem;
  font-family: var(--font-display);
}

.lede {
  color: var(--ink-soft);
  margin: 0;
}

.install-form fieldset {
  border: 1px solid var(--line);
  border-radius: 14px;
  margin: 0 0 1rem;
  padding: 1rem;
  display: grid;
  gap: 0.75rem;
}

.install-form legend {
  font-family: var(--font-display);
  padding: 0 0.4rem;
}

.install-form .check {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.95rem;
  color: var(--ink);
  margin-bottom: 1rem;
}

.hint,
.warn {
  font-size: 0.88rem;
  color: var(--ink-soft);
  margin: 0;
}

.warn {
  color: var(--sell);
}

.success-panel ul {
  padding-left: 1.1rem;
}

.empty {
  color: var(--ink-soft);
  font-style: italic;
  padding: 0.75rem 0;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 960px) {
  .hero-status,
  .grid-2,
  .strip,
  .ops-summary {
    grid-template-columns: 1fr 1fr;
  }

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

  .tx-form .grow {
    grid-column: span 2;
  }
}

@media (max-width: 640px) {
  .hero-status,
  .grid-2,
  .strip,
  .ops-summary,
  .tx-form {
    grid-template-columns: 1fr;
  }

  .tx-form .grow {
    grid-column: span 1;
  }

  .brand {
    align-items: flex-start;
  }

  .weekday-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}