:root {
  color-scheme: dark;
  --ink: #0b0805;
  --ink-soft: #17110b;
  --paper: #ead9b8;
  --paper-strong: #fff1cf;
  --paper-muted: #a99878;
  --brass: #b78a42;
  --brass-bright: #e2c275;
  --oxblood: #6d1f28;
  --ash: #53606a;
  --line: rgba(226, 194, 117, 0.34);
  --line-dark: rgba(53, 41, 27, 0.72);
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.54);
  --group-accent: #8f2a2f;
  --group-accent-muted: rgba(143, 42, 47, 0.2);
  --group-stamp: "CASE 01";
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "Microsoft YaHei", serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body.dossier-body {
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  color: var(--paper);
  background:
    radial-gradient(circle at 18% 6%, rgba(183, 138, 66, 0.18), transparent 24rem),
    radial-gradient(circle at 92% 10%, rgba(109, 31, 40, 0.18), transparent 25rem),
    linear-gradient(145deg, #080604 0%, #17100b 46%, #080604 100%);
}

body.dossier-body::before,
body.dossier-body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

body.dossier-body::before {
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.028) 0 1px, transparent 1px 5px),
    repeating-linear-gradient(0deg, rgba(226, 194, 117, 0.035) 0 1px, transparent 1px 18px),
    radial-gradient(circle at 50% 22%, transparent 0 30%, rgba(0, 0, 0, 0.42) 74%);
  opacity: 0.78;
}

body.dossier-body::after {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.52), transparent 22%, transparent 78%, rgba(0, 0, 0, 0.55)),
    radial-gradient(circle at 8% 92%, rgba(0, 0, 0, 0.52), transparent 24rem),
    radial-gradient(circle at 90% 88%, rgba(0, 0, 0, 0.46), transparent 22rem);
}

body[data-group="last-bullet"],
[data-group-tone="last-bullet"] {
  --group-accent: #923034;
  --group-accent-muted: rgba(146, 48, 52, 0.2);
  --group-stamp: "CASE 01";
}

body[data-group="moscovo"],
[data-group-tone="moscovo"] {
  --group-accent: #4d6575;
  --group-accent-muted: rgba(77, 101, 117, 0.22);
  --group-stamp: "CASE 02";
}

body[data-group="ghost-wedding"],
[data-group-tone="ghost-wedding"] {
  --group-accent: #9b2d28;
  --group-accent-muted: rgba(155, 45, 40, 0.2);
  --group-stamp: "CASE 03";
}

body[data-group="immortal-cup"],
[data-group-tone="immortal-cup"] {
  --group-accent: #586b41;
  --group-accent-muted: rgba(88, 107, 65, 0.22);
  --group-stamp: "CASE 04";
}

a {
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

.archive-page {
  width: min(100% - 36px, 1180px);
  margin: 0 auto;
  padding: 22px 0 62px;
}

.activity-header {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 2px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), transparent 38%),
    linear-gradient(135deg, rgba(31, 23, 15, 0.96), rgba(11, 8, 5, 0.96));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.activity-header::before {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid rgba(226, 194, 117, 0.2);
  pointer-events: none;
}

.activity-header::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.19;
  background:
    radial-gradient(circle at 18% 28%, var(--group-accent-muted), transparent 26rem),
    repeating-linear-gradient(45deg, transparent 0 12px, rgba(226, 194, 117, 0.08) 12px 13px);
}

.file-tabs {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
  min-height: 48px;
  border-bottom: 1px solid var(--line);
}

.file-tab {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 18px;
  border-left: 1px solid var(--line);
  background: rgba(8, 6, 4, 0.34);
  color: var(--paper-muted);
  font: 800 0.82rem/1.2 "Microsoft YaHei", sans-serif;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.file-tab[aria-current="page"] {
  color: var(--paper-strong);
  background: linear-gradient(180deg, var(--group-accent-muted), rgba(8, 6, 4, 0.4));
}

.file-tab:focus-visible,
.file-tab:hover {
  color: var(--paper-strong);
  outline: none;
  background: rgba(183, 138, 66, 0.14);
}

.masthead {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 16px;
  padding: clamp(22px, 4vw, 42px);
}

.masthead-rule {
  height: 5px;
  border-top: 1px solid var(--line);
  border-bottom: 3px double var(--line);
}

.masthead-kicker {
  margin: 0;
  color: var(--brass-bright);
  font: 900 0.78rem/1.2 "Microsoft YaHei", sans-serif;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.masthead-title {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: end;
}

h1 {
  margin: 0;
  color: var(--paper-strong);
  font-size: clamp(2.75rem, 8vw, 6.6rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.case-seal {
  display: grid;
  place-items: center;
  width: clamp(96px, 13vw, 132px);
  aspect-ratio: 1;
  border: 3px double color-mix(in srgb, var(--group-accent) 72%, var(--brass));
  border-radius: 50%;
  color: color-mix(in srgb, var(--group-accent) 76%, var(--paper));
  font: 900 clamp(0.72rem, 1vw, 0.9rem)/1.2 "Microsoft YaHei", sans-serif;
  letter-spacing: 0.12em;
  text-align: center;
  transform: rotate(-7deg);
  opacity: 0.9;
}

.case-seal::before {
  content: attr(data-stamp);
}

.activity-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.activity-meta span {
  min-height: 68px;
  padding: 12px 14px;
  border-right: 1px solid var(--line);
  color: var(--paper-muted);
  line-height: 1.48;
}

.activity-meta span:last-child {
  border-right: 0;
}

.activity-meta strong {
  display: block;
  margin-bottom: 3px;
  color: var(--paper-strong);
  font: 900 0.88rem/1.2 "Microsoft YaHei", sans-serif;
}

.lead {
  max-width: 70rem;
  margin: 0;
  color: var(--paper-muted);
  font-size: 1.05rem;
  line-height: 1.78;
}

.dossier-panel {
  border: 1px solid var(--line);
  border-radius: 2px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 17rem),
    rgba(18, 13, 9, 0.92);
  box-shadow: var(--shadow);
}

.panel-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: end;
  padding: clamp(18px, 3vw, 28px);
  border-bottom: 3px double var(--line);
}

.panel-heading h2 {
  margin: 0;
  color: var(--paper-strong);
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  line-height: 1.1;
}

.panel-heading p {
  max-width: 52rem;
  margin: 8px 0 0;
  color: var(--paper-muted);
  line-height: 1.65;
}

.type-meta {
  color: var(--paper-muted);
  font: 800 0.76rem/1.35 "Microsoft YaHei", sans-serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.case-selector {
  display: grid;
  gap: 16px;
  padding: clamp(18px, 3vw, 28px);
  border-bottom: 1px solid var(--line);
}

.select-row {
  display: grid;
  grid-template-columns: minmax(180px, 0.36fr) minmax(0, 1fr);
  gap: 14px;
  align-items: center;
}

.case-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--line);
}

.case-tab {
  min-height: 118px;
  border: 0;
  border-right: 1px solid var(--line);
  border-radius: 0;
  padding: 14px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent),
    rgba(8, 6, 4, 0.38);
  color: var(--paper-muted);
  text-align: left;
  cursor: pointer;
}

.case-tab:last-child {
  border-right: 0;
}

.case-tab:hover,
.case-tab:focus-visible {
  outline: none;
  background:
    linear-gradient(180deg, var(--group-accent-muted), transparent),
    rgba(8, 6, 4, 0.5);
}

.case-tab.is-selected {
  color: var(--paper);
  background:
    linear-gradient(180deg, var(--group-accent-muted), rgba(8, 6, 4, 0.56)),
    rgba(8, 6, 4, 0.42);
  box-shadow: inset 0 -4px 0 var(--group-accent);
}

.case-tab small,
.case-code {
  display: block;
  color: var(--brass-bright);
  font: 900 0.72rem/1.2 "Microsoft YaHei", sans-serif;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.case-tab b {
  display: block;
  margin: 7px 0 5px;
  color: var(--paper-strong);
  font-size: 1.06rem;
}

.case-tab span {
  display: block;
  line-height: 1.48;
}

.case-note {
  min-height: 86px;
  border-left: 4px solid var(--group-accent);
  padding: 14px 16px;
  background:
    linear-gradient(90deg, var(--group-accent-muted), transparent 54%),
    rgba(8, 6, 4, 0.36);
  color: var(--paper-muted);
  line-height: 1.68;
}

.case-note strong {
  display: block;
  margin-bottom: 3px;
  color: var(--paper-strong);
}

.report-form {
  display: grid;
  gap: 0;
}

.form-ledger {
  display: grid;
}

.field-row {
  display: grid;
  grid-template-columns: minmax(150px, 0.34fr) minmax(0, 1fr);
  border-bottom: 1px solid var(--line);
}

.field-row:last-child {
  border-bottom: 0;
}

.field-index {
  padding: 18px clamp(14px, 2.6vw, 24px);
  border-right: 1px solid var(--line);
  background:
    repeating-linear-gradient(0deg, transparent 0 15px, rgba(226, 194, 117, 0.045) 15px 16px),
    rgba(8, 6, 4, 0.24);
}

.field-index span {
  display: block;
  margin-bottom: 7px;
  color: var(--brass-bright);
  font: 900 0.76rem/1.2 "Microsoft YaHei", sans-serif;
  letter-spacing: 0.14em;
}

.field-index label {
  display: block;
  color: var(--paper-strong);
  font-weight: 900;
  line-height: 1.35;
}

.field-control {
  display: grid;
  gap: 8px;
  padding: 18px clamp(14px, 2.6vw, 24px);
}

.field-help {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--paper-muted);
  font: 700 0.82rem/1.4 "Microsoft YaHei", sans-serif;
}

.counter {
  color: var(--dim);
  white-space: nowrap;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(226, 194, 117, 0.3);
  border-radius: 2px;
  outline: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent),
    rgba(8, 6, 4, 0.62);
  color: var(--paper);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.045);
}

input,
select {
  min-height: 48px;
  padding: 0 13px;
}

textarea {
  min-height: 132px;
  resize: vertical;
  padding: 13px;
  line-height: 1.75;
}

input::placeholder,
textarea::placeholder {
  color: rgba(169, 152, 120, 0.76);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--brass-bright);
  box-shadow: 0 0 0 3px rgba(226, 194, 117, 0.16);
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: clamp(18px, 3vw, 26px);
  border-top: 3px double var(--line);
}

.status {
  min-height: 24px;
  margin: 0;
  color: var(--paper-muted);
  line-height: 1.5;
}

.status[data-tone="success"] {
  color: var(--brass-bright);
}

.status[data-tone="error"] {
  color: #ffb7b7;
}

.status[data-tone="local"] {
  color: #d8c38f;
}

.button-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.dossier-button {
  min-height: 46px;
  border: 1px solid rgba(226, 194, 117, 0.36);
  border-radius: 2px;
  padding: 0 18px;
  background: rgba(8, 6, 4, 0.52);
  color: var(--paper);
  cursor: pointer;
  font-weight: 900;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.dossier-button:hover,
.dossier-button:focus-visible {
  outline: none;
  border-color: var(--brass-bright);
  background: rgba(183, 138, 66, 0.16);
}

.dossier-button:active {
  transform: translateY(1px);
}

.submit-button {
  background:
    linear-gradient(135deg, rgba(255, 241, 207, 0.96), rgba(183, 138, 66, 0.96));
  color: #130b05;
}

.submit-button small {
  display: block;
  margin-top: 2px;
  font: 800 0.62rem/1 "Microsoft YaHei", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.archive-list {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.case-folder {
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(18, 13, 9, 0.92);
  box-shadow: var(--shadow);
  overflow: clip;
}

.case-folder summary {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr) auto auto;
  gap: 18px;
  align-items: center;
  min-height: 94px;
  padding: 18px clamp(16px, 3vw, 28px);
  cursor: pointer;
  list-style: none;
  background:
    linear-gradient(90deg, var(--group-accent-muted), transparent 58%),
    rgba(8, 6, 4, 0.36);
}

.case-folder summary::-webkit-details-marker {
  display: none;
}

.case-folder summary:focus-visible {
  outline: 3px solid rgba(226, 194, 117, 0.42);
  outline-offset: -5px;
}

.summary-case {
  display: grid;
  place-items: center;
  min-height: 58px;
  border: 2px double color-mix(in srgb, var(--group-accent) 65%, var(--brass));
  color: var(--brass-bright);
  font: 900 0.82rem/1.2 "Microsoft YaHei", sans-serif;
  letter-spacing: 0.1em;
}

.summary-main {
  display: grid;
  gap: 5px;
}

.summary-main h2 {
  margin: 0;
  color: var(--paper-strong);
  font-size: clamp(1.25rem, 2vw, 1.72rem);
  line-height: 1.18;
}

.summary-main p {
  margin: 0;
  color: var(--paper-muted);
  line-height: 1.55;
}

.summary-main b {
  color: var(--paper);
}

.report-count,
.summary-state {
  border: 1px solid rgba(226, 194, 117, 0.34);
  padding: 8px 10px;
  color: var(--paper);
  font: 900 0.82rem/1.2 "Microsoft YaHei", sans-serif;
  white-space: nowrap;
  background: rgba(8, 6, 4, 0.36);
}

.case-folder[open] .summary-state {
  color: #130b05;
  background: linear-gradient(135deg, var(--brass-bright), var(--brass));
}

.folder-body {
  display: grid;
  gap: 12px;
  padding: 0 clamp(16px, 3vw, 28px) clamp(18px, 3vw, 28px);
  border-top: 1px solid var(--line);
}

.loading,
.empty,
.error {
  margin: 16px 0 0;
  border-left: 4px solid var(--group-accent);
  padding: 14px 16px;
  color: var(--paper-muted);
  background: rgba(8, 6, 4, 0.42);
  line-height: 1.65;
}

.error {
  color: #ffb7b7;
}

.testimony {
  position: relative;
  margin-top: 16px;
  border: 1px solid rgba(226, 194, 117, 0.28);
  background:
    linear-gradient(180deg, rgba(236, 219, 184, 0.07), transparent 15rem),
    rgba(11, 8, 5, 0.58);
}

.testimony::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.14;
  background:
    repeating-linear-gradient(0deg, transparent 0 27px, rgba(226, 194, 117, 0.18) 27px 28px),
    radial-gradient(circle at 92% 14%, var(--group-accent-muted), transparent 15rem);
}

.testimony-head {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
  padding: 16px clamp(14px, 2.6vw, 22px);
  border-bottom: 3px double var(--line);
}

.report-id {
  color: var(--brass-bright);
  font: 900 0.78rem/1.2 "Microsoft YaHei", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.speaker {
  display: block;
  margin-top: 5px;
  color: var(--paper-strong);
  font-size: 1.28rem;
  font-weight: 900;
}

.report-time {
  color: var(--paper-muted);
  font: 800 0.8rem/1.4 "Microsoft YaHei", sans-serif;
  text-align: right;
}

.statement-list {
  position: relative;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
}

.statement-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  border-bottom: 1px solid rgba(226, 194, 117, 0.22);
}

.statement-row:last-child {
  border-bottom: 0;
}

.statement-number {
  padding: 17px 14px;
  border-right: 1px solid rgba(226, 194, 117, 0.22);
  color: var(--brass-bright);
  font: 900 0.76rem/1.2 "Microsoft YaHei", sans-serif;
}

.statement-copy {
  padding: 15px clamp(14px, 2.4vw, 22px);
}

.statement-copy h3 {
  margin: 0 0 6px;
  color: var(--paper-strong);
  font-size: 1rem;
}

.statement-copy p {
  max-width: 78ch;
  margin: 0;
  color: var(--paper-muted);
  line-height: 1.82;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

@media (prefers-reduced-motion: no-preference) {
  .case-folder[open] .folder-body {
    animation: folder-enter 180ms ease-out;
  }
}

@keyframes folder-enter {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1024px) {
  .archive-page {
    width: min(100% - 28px, 1180px);
  }

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

  .case-tab:nth-child(2) {
    border-right: 0;
  }

  .case-tab:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .case-folder summary {
    grid-template-columns: 82px minmax(0, 1fr) auto;
  }

  .summary-state {
    grid-column: 2 / -1;
    justify-self: start;
  }
}

@media (max-width: 768px) {
  .masthead-title,
  .panel-heading,
  .select-row,
  .field-row,
  .testimony-head {
    grid-template-columns: 1fr;
  }

  .case-seal {
    width: 106px;
  }

  .activity-meta {
    grid-template-columns: 1fr 1fr;
  }

  .field-index {
    border-right: 0;
    border-bottom: 1px solid rgba(226, 194, 117, 0.22);
    padding-bottom: 12px;
  }

  .report-time {
    text-align: left;
  }

  .statement-row {
    grid-template-columns: 56px minmax(0, 1fr);
  }
}

@media (max-width: 560px) {
  .archive-page {
    width: min(100% - 22px, 1180px);
    padding-top: 12px;
  }

  .file-tabs {
    justify-content: stretch;
  }

  .file-tab {
    flex: 1;
    justify-content: center;
    padding: 0 10px;
    text-align: center;
  }

  .masthead,
  .case-selector,
  .panel-heading,
  .form-actions {
    padding-inline: 16px;
  }

  h1 {
    font-size: clamp(2.4rem, 15vw, 4.4rem);
  }

  .activity-meta,
  .case-tabs {
    grid-template-columns: 1fr;
  }

  .activity-meta span,
  .case-tab {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .activity-meta span:last-child,
  .case-tab:last-child {
    border-bottom: 0;
  }

  .field-help,
  .form-actions,
  .button-row {
    align-items: stretch;
    flex-direction: column;
  }

  .dossier-button {
    width: 100%;
  }

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

  .summary-case,
  .report-count,
  .summary-state {
    justify-self: start;
  }

  .summary-state {
    grid-column: auto;
  }
}

@media print {
  :root {
    color-scheme: light;
  }

  body.dossier-body {
    color: #111;
    background: #fff;
  }

  body.dossier-body::before,
  body.dossier-body::after,
  .file-tabs {
    display: none;
  }

  .archive-page {
    width: 100%;
    padding: 0;
  }

  .activity-header,
  .dossier-panel,
  .case-folder,
  .testimony {
    border-color: #222;
    box-shadow: none;
    background: #fff;
    color: #111;
  }

  .activity-header::before,
  .activity-header::after,
  .testimony::before {
    display: none;
  }

  .masthead,
  .panel-heading,
  .case-folder summary,
  .folder-body {
    padding-inline: 0;
  }

  .case-folder,
  .testimony {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .summary-state {
    display: none;
  }

  .statement-copy p,
  .summary-main p,
  .lead,
  .activity-meta span {
    color: #111;
  }
}