:root {
  --bg: #111316;
  --bg-soft: rgba(20, 24, 27, 0.86);
  --panel: rgba(25, 31, 35, 0.88);
  --panel-strong: rgba(31, 38, 43, 0.96);
  --line: rgba(255, 255, 255, 0.08);
  --text: #f3eee6;
  --muted: #b7aca0;
  --accent: #ef8c42;
  --accent-soft: rgba(239, 140, 66, 0.18);
  --signal: #80c8bc;
  --warning: #f2c36c;
  --danger: #f17c66;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --font-display: "Bahnschrift", "Aptos Display", "Trebuchet MS", sans-serif;
  --font-body: "Aptos", "Segoe UI Variable", "Trebuchet MS", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(239, 140, 66, 0.18), transparent 28%),
    radial-gradient(circle at right 20%, rgba(128, 200, 188, 0.12), transparent 22%),
    linear-gradient(160deg, #16191d 0%, #0d1012 54%, #090b0d 100%);
  font-family: var(--font-body);
}

body {
  overflow-x: hidden;
}

.backdrop {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent 82%);
  pointer-events: none;
}

.shell {
  display: grid;
  grid-template-columns: 310px minmax(0, 1fr);
  gap: 24px;
  width: min(1380px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.rail,
.workspace {
  animation: rise 0.7s ease both;
}

.rail {
  position: sticky;
  top: 18px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.brand,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.brand {
  padding: 24px;
  border-radius: var(--radius-xl);
}

.brand h1,
.panel-heading h3,
.empty-state h3 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

.brand h1 {
  margin-top: 8px;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  line-height: 1.05;
}

.brand-copy,
.field-help,
.tool-copy,
.support-card p,
.empty-state p,
.meta-row dd,
.result-detail,
.banner,
.note-list li {
  color: var(--muted);
}

.rail-section {
  padding: 18px 18px 8px;
  border-radius: var(--radius-lg);
  background: rgba(14, 18, 20, 0.54);
  border: 1px solid var(--line);
}

.section-label,
.field-label,
.hero-stat-label {
  display: block;
  margin-bottom: 10px;
  color: #d6c7b8;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.tool-card {
  display: block;
  width: 100%;
  padding: 14px 16px;
  margin-bottom: 10px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
  text-align: left;
  color: inherit;
  cursor: pointer;
}

.tool-card.active {
  background:
    linear-gradient(135deg, rgba(239, 140, 66, 0.2), rgba(128, 200, 188, 0.1)),
    rgba(255, 255, 255, 0.05);
  border-color: rgba(239, 140, 66, 0.35);
}

.tool-card.muted {
  opacity: 0.76;
}

.tool-name {
  display: block;
  font-weight: 700;
  margin-bottom: 6px;
}

.workspace {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.tool-panel.is-hidden {
  display: none;
}

.panel {
  border-radius: var(--radius-xl);
  padding: 24px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--signal);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  margin-bottom: 18px;
}

.panel-heading.compact {
  margin-bottom: 16px;
}

.primary-button,
input,
select,
textarea {
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font: inherit;
}

.primary-button {
  padding: 12px 18px;
  background: linear-gradient(135deg, #f49b4d, #e3673a);
  color: #1a120a;
  font-weight: 800;
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease;
}

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

.primary-button:active {
  transform: translateY(0);
}

.converter-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.92fr);
  gap: 20px;
}

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

.input-panel,
.result-panel {
  min-width: 0;
}

textarea,
input,
select {
  width: 100%;
  background: var(--panel-strong);
  color: var(--text);
  padding: 14px 16px;
}

input[type="file"] {
  padding: 12px 14px;
}

textarea {
  min-height: 154px;
  resize: vertical;
  line-height: 1.5;
}

textarea:focus,
input:focus,
select:focus,
.primary-button:focus {
  outline: 2px solid rgba(128, 200, 188, 0.62);
  outline-offset: 2px;
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.action-row {
  display: flex;
  justify-content: flex-start;
  margin-top: 16px;
}

.field-help {
  margin: 8px 2px 0;
  font-size: 0.92rem;
  line-height: 1.35;
}

.result-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.empty-state,
.result-card,
.meta-card,
.support-card,
.pair-card {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.035);
}

.empty-state,
.result-card,
.meta-card,
.pair-card {
  padding: 20px;
}

.result-card {
  background:
    linear-gradient(180deg, rgba(128, 200, 188, 0.12), rgba(255, 255, 255, 0.02)),
    rgba(255, 255, 255, 0.03);
}

.result-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: #ffd8b8;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.result-date {
  margin: 14px 0 6px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.06;
}

.result-time {
  margin: 0;
  font-size: clamp(1.1rem, 2.3vw, 1.45rem);
  color: #fff7ee;
}

.result-detail {
  margin-top: 10px;
  font-size: 0.95rem;
}

.banner {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.banner.warning {
  border-color: rgba(242, 195, 108, 0.3);
  background: rgba(242, 195, 108, 0.1);
  color: #ffe8b4;
}

.banner.error {
  border-color: rgba(241, 124, 102, 0.32);
  background: rgba(241, 124, 102, 0.1);
  color: #ffd1c7;
}

.note-list {
  margin: 0;
  padding-left: 20px;
}

.note-list li + li {
  margin-top: 8px;
}

.meta-grid,
.support-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.compact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.meta-card dl {
  margin: 0;
  display: grid;
  gap: 12px;
}

.meta-row {
  margin: 0;
}

.meta-row dt {
  margin-bottom: 6px;
  color: #d8caba;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.meta-row dd {
  margin: 0;
  word-break: break-word;
}

.support-card {
  padding: 18px;
}

.support-card strong {
  display: inline-block;
  margin-bottom: 8px;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.stack-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.table-shell {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

.data-table th,
.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: #d8caba;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.04);
}

.data-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.025);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.section-heading h4,
.card-heading h4 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.pair-card {
  background:
    linear-gradient(180deg, rgba(239, 140, 66, 0.08), rgba(255, 255, 255, 0.02)),
    rgba(255, 255, 255, 0.03);
}

.card-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
}

.section-heading .section-label {
  margin-bottom: 6px;
}

.player-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.player-pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(128, 200, 188, 0.12);
  border: 1px solid rgba(128, 200, 188, 0.18);
  color: #def3ef;
  font-size: 0.92rem;
  font-weight: 700;
}

.evidence-list {
  margin: 14px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.evidence-list li + li {
  margin-top: 8px;
}

code {
  font-family: "Cascadia Code", "Consolas", monospace;
  font-size: 0.95em;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1080px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .rail {
    position: static;
  }

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

  .compact-grid,
  .section-heading,
  .card-heading {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 20px, 100%);
    padding-top: 18px;
  }

  .panel,
  .brand {
    padding: 20px;
  }

  .control-grid,
  .meta-grid,
  .support-grid,
  .compact-grid {
    grid-template-columns: 1fr;
  }

  .panel-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .section-heading,
  .card-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .stack-list {
    grid-template-columns: 1fr;
  }

  .primary-button {
    width: 100%;
  }
}