:root {
  --ink: #0f1f1c;
  --paper: #f8f9fa;
  --rose: #c9ada7;
  --moss: #4a7c59;
  --line: rgba(15, 31, 28, 0.16);
  --muted: rgba(15, 31, 28, 0.62);
  --soft: rgba(201, 173, 167, 0.24);
  --white: #ffffff;
  --amber: #d39b45;
  --sky: #577590;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--paper);
  color: var(--ink);
  font-family: "Arial Narrow", "Roboto Condensed", "Segoe UI", Arial, sans-serif;
}

body {
  min-height: 100%;
  margin: 0;
  overflow-x: hidden;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 100vh;
}

.rail {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 24px 18px;
  color: var(--paper);
  background:
    linear-gradient(145deg, rgba(74, 124, 89, 0.28), transparent 42%),
    var(--ink);
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 28px;
}

.brand {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  align-items: center;
  color: inherit;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0;
}

.screen-tabs {
  display: grid;
  gap: 8px;
  align-content: start;
}

.tab {
  border: 1px solid rgba(248, 249, 250, 0.18);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: rgba(248, 249, 250, 0.72);
  background: transparent;
  text-align: left;
  transition: color 160ms ease, background 160ms ease, transform 160ms ease;
}

.tab:hover,
.tab.is-active {
  color: var(--paper);
  background: rgba(248, 249, 250, 0.1);
  transform: translateX(2px);
}

.rail-note {
  border-top: 1px solid rgba(248, 249, 250, 0.16);
  padding-top: 18px;
  line-height: 1.55;
}

.eyebrow {
  display: block;
  margin-bottom: 7px;
  color: var(--moss);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.rail .eyebrow {
  color: var(--rose);
}

.workspace {
  min-width: 0;
  padding: 26px clamp(16px, 3vw, 38px) 32px;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 410px);
  gap: 22px;
  align-items: end;
  margin-bottom: 22px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(28px, 4vw, 48px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.05;
  letter-spacing: 0;
}

p {
  line-height: 1.7;
}

.search {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: end;
}

.search label {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.search input {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  background: var(--white);
  color: var(--ink);
}

.search button,
.action-strip button,
.wide-action {
  border: 0;
  border-radius: var(--radius);
  padding: 12px 16px;
  background: var(--ink);
  color: var(--paper);
  font-weight: 800;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-block: 1px solid var(--line);
  margin-bottom: 22px;
}

.metric {
  min-width: 0;
  padding: 16px 18px;
  border-right: 1px solid var(--line);
}

.metric:last-child {
  border-right: 0;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.metric strong {
  display: block;
  margin-top: 4px;
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1;
}

.split-dashboard {
  display: grid;
  grid-template-columns: minmax(250px, 0.82fr) minmax(360px, 1.4fr) minmax(280px, 0.95fr);
  gap: 22px;
  align-items: start;
}

.timeline-panel,
.case-panel,
.detail-sheet {
  min-width: 0;
}

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

.timeline {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.step {
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 54px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 10px;
  background: rgba(255, 255, 255, 0.58);
  color: var(--ink);
  text-align: left;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.step:hover,
.step.is-filtered {
  border-color: rgba(74, 124, 89, 0.55);
  background: rgba(74, 124, 89, 0.1);
}

.step.is-current {
  border-color: var(--moss);
  background: rgba(74, 124, 89, 0.14);
  transform: translateX(3px);
}

.step-index {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: var(--paper);
  background: var(--ink);
  font-weight: 800;
}

.case-list {
  display: grid;
  gap: 9px;
}

.case-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  width: 100%;
  border: 0;
  border-left: 3px solid transparent;
  padding: 12px 10px;
  background: transparent;
  color: var(--ink);
  text-align: left;
}

.case-row.is-selected {
  border-color: var(--rose);
  background: rgba(201, 173, 167, 0.16);
}

.case-row strong,
.case-row small {
  display: block;
  min-width: 0;
}

.case-row small {
  margin-top: 5px;
  color: var(--muted);
  line-height: 1.45;
}

.case-row em,
.sheet-status span {
  align-self: start;
  border-radius: 999px;
  padding: 5px 8px;
  font-size: 12px;
  font-style: normal;
  font-weight: 800;
  white-space: nowrap;
}

.tone-audition {
  background: rgba(87, 117, 144, 0.14);
  color: var(--sky);
}

.tone-schedule {
  background: rgba(211, 155, 69, 0.18);
  color: #8a5a12;
}

.tone-practice {
  background: rgba(74, 124, 89, 0.16);
  color: var(--moss);
}

.tone-concert {
  background: rgba(201, 173, 167, 0.3);
  color: #7d5750;
}

.view {
  display: none;
}

.view.is-visible {
  display: block;
  animation: rise 220ms ease both;
}

.case-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 132px;
  gap: 22px;
  min-height: 260px;
  border-radius: var(--radius);
  padding: clamp(22px, 4vw, 34px);
  color: var(--paper);
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(201, 173, 167, 0.5), transparent 27%),
    linear-gradient(135deg, rgba(74, 124, 89, 0.62), transparent 55%),
    var(--ink);
}

.case-hero::before {
  content: "";
  position: absolute;
  inset: 18px auto auto 52%;
  width: 260px;
  height: 170px;
  border: 1px solid rgba(248, 249, 250, 0.22);
  transform: rotate(-9deg);
}

.case-hero > * {
  position: relative;
  z-index: 1;
}

.case-hero h2 {
  max-width: 14ch;
  margin-bottom: 18px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 0.92;
}

.case-hero p {
  max-width: 58ch;
  color: rgba(248, 249, 250, 0.78);
}

.score-orbit {
  place-self: start end;
  display: grid;
  place-items: center;
  width: 132px;
  aspect-ratio: 1;
  border: 1px solid rgba(248, 249, 250, 0.24);
  border-radius: 50%;
  background: rgba(248, 249, 250, 0.08);
}

.score-orbit strong {
  font-size: 34px;
  line-height: 1;
}

.score-orbit span {
  color: rgba(248, 249, 250, 0.74);
}

.decision-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.decision-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  background: rgba(255, 255, 255, 0.58);
}

.decision-card span,
.vote span,
.milestone span,
.calendar-cell span,
.report-line span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.decision-card strong {
  display: block;
  margin: 8px 0;
  font-size: 21px;
  line-height: 1.1;
}

.decision-card p {
  color: var(--muted);
  font-size: 14px;
}

.action-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 14px;
}

.action-strip button:nth-child(2) {
  background: var(--moss);
}

.action-strip button:nth-child(3) {
  background: #7d5750;
}

.milestone-list {
  display: grid;
  gap: 10px;
}

.milestone {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  border-left: 4px solid var(--line);
  padding: 14px 0 14px 16px;
}

.milestone.done {
  border-color: var(--moss);
}

.milestone.active {
  border-color: var(--amber);
}

.milestone.planned {
  border-color: var(--rose);
}

.milestone strong {
  display: block;
  margin: 5px 0;
  font-size: 19px;
}

.milestone p {
  color: var(--muted);
}

.milestone time {
  color: var(--ink);
  font-weight: 800;
  white-space: nowrap;
}

.calendar-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.calendar-cell {
  min-height: 138px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  background: var(--white);
}

.calendar-cell.done {
  background: rgba(74, 124, 89, 0.1);
}

.calendar-cell.active {
  background: rgba(211, 155, 69, 0.14);
}

.calendar-cell.concert {
  background: var(--soft);
}

.calendar-cell strong,
.calendar-cell em {
  display: block;
  margin-top: 10px;
}

.calendar-cell em {
  color: var(--muted);
  font-style: normal;
  line-height: 1.45;
}

.report-grid {
  display: grid;
  gap: 16px;
}

.report-line {
  display: grid;
  grid-template-columns: minmax(120px, 170px) minmax(0, 1fr) 72px;
  gap: 14px;
  align-items: center;
}

meter {
  width: 100%;
  height: 12px;
}

.report-summary {
  border-left: 4px solid var(--moss);
  padding-left: 16px;
}

.report-summary strong {
  display: block;
  margin-bottom: 6px;
}

.detail-sheet {
  position: sticky;
  top: 24px;
  border-left: 1px solid var(--line);
  padding-left: 20px;
}

.sheet-status {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
}

.sheet-status strong {
  font-size: 15px;
}

.vote-list {
  display: grid;
  gap: 10px;
}

.vote {
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.vote strong {
  display: block;
  margin: 5px 0;
}

.vote p {
  color: var(--muted);
  font-size: 14px;
}

.wide-action {
  width: 100%;
  margin-top: 16px;
  background: var(--moss);
}

.empty {
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 18px;
  color: var(--muted);
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  max-width: min(360px, calc(100vw - 36px));
  border-radius: var(--radius);
  padding: 12px 14px;
  color: var(--paper);
  background: var(--ink);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1180px) {
  .split-dashboard {
    grid-template-columns: minmax(230px, 0.8fr) minmax(0, 1.3fr);
  }

  .detail-sheet {
    position: static;
    grid-column: 1 / -1;
    border-left: 0;
    border-top: 1px solid var(--line);
    padding: 18px 0 0;
  }
}

@media (max-width: 860px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .rail {
    position: static;
    height: auto;
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    padding: 16px;
  }

  .screen-tabs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .tab {
    min-height: 46px;
    padding: 10px 8px;
    text-align: center;
  }

  .rail-note {
    display: none;
  }

  .topbar {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .metrics,
  .decision-grid,
  .calendar-board,
  .split-dashboard {
    grid-template-columns: 1fr;
  }

  .metric {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metric:last-child {
    border-bottom: 0;
  }

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

  .score-orbit {
    place-self: start;
    width: 112px;
  }
}

@media (max-width: 520px) {
  .workspace {
    padding-inline: 14px;
  }

  .screen-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .case-row {
    grid-template-columns: 1fr;
  }

  .case-row em {
    justify-self: start;
  }

  .report-line {
    grid-template-columns: 1fr;
  }

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

  .milestone time {
    white-space: normal;
  }
}