:root {
  --bg: #f6f4ef;
  --surface: #ffffff;
  --surface-2: #f0f5f3;
  --line: #d9ded9;
  --text: #20231f;
  --muted: #646d65;
  --accent: #0f766e;
  --accent-dark: #0b5f59;
  --warning: #a15c00;
  --danger: #a23838;
  --ok: #2f7d46;
  --focus: #f0b429;
  --shadow: 0 10px 26px rgba(39, 45, 39, 0.08);
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--bg);
}

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

button {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  min-height: 38px;
  padding: 8px 12px;
  cursor: pointer;
}

button:hover {
  border-color: var(--accent);
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--focus) 55%, transparent);
  outline-offset: 1px;
}

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

button.primary:hover {
  background: var(--accent-dark);
}

button.danger {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 45%, var(--line));
}

button.ghost {
  background: transparent;
}

button.small {
  min-height: 30px;
  padding: 5px 8px;
  font-size: 13px;
}

label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  padding: 8px 10px;
}

textarea {
  min-height: 84px;
  resize: vertical;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0;
}

.app-shell {
  min-height: 100vh;
}

.auth-screen {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

.auth-panel {
  width: min(960px, 100%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.auth-brand,
.auth-form {
  padding: 32px;
}

.auth-brand {
  background: var(--surface-2);
  border-right: 1px solid var(--line);
  display: grid;
  align-content: center;
  gap: 16px;
}

.auth-brand h1 {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.02;
  margin: 0;
}

.auth-brand p {
  margin: 0;
  max-width: 42ch;
  color: var(--muted);
  line-height: 1.55;
}

.auth-form h2,
.view h2,
.panel h3 {
  margin: 0;
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 18px;
}

.auth-tabs button.active,
.nav button.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.form-grid .wide,
.wide {
  grid-column: 1 / -1;
}

.stack {
  display: grid;
  gap: 12px;
}

.actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

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

.sidebar {
  background: #fffdf8;
  border-right: 1px solid var(--line);
  padding: 18px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 20px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: grid;
  gap: 6px;
}

.brand strong {
  font-size: 22px;
}

.brand span,
.muted {
  color: var(--muted);
}

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

.nav button {
  text-align: left;
  width: 100%;
}

.main {
  min-width: 0;
  display: grid;
  grid-template-rows: auto 1fr;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 22px;
  background: rgba(246, 244, 239, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.topbar h1 {
  margin: 0;
  font-size: 22px;
}

.content {
  padding: 22px;
  display: grid;
  gap: 18px;
  align-content: start;
}

.view {
  display: grid;
  gap: 18px;
}

.grid-2,
.grid-3,
.metrics {
  display: grid;
  gap: 14px;
}

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

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

.panel,
.metric,
.table-wrap {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.panel {
  padding: 16px;
  display: grid;
  gap: 14px;
}

.metric {
  padding: 16px;
  min-height: 92px;
  display: grid;
  align-content: space-between;
  gap: 8px;
}

.metric strong {
  font-size: 30px;
}

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

.table-wrap table {
  min-width: 720px;
}

.split {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(360px, 1.1fr);
  gap: 16px;
  align-items: start;
}

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

.case-row {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
  padding: 12px;
  display: grid;
  gap: 8px;
  cursor: pointer;
}

.case-row.active {
  border-color: var(--accent);
  box-shadow: inset 3px 0 0 var(--accent);
}

.case-row strong {
  display: block;
  overflow-wrap: anywhere;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-2);
  padding: 3px 9px;
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.badge.ok {
  color: var(--ok);
  background: #edf7ef;
  border-color: #cfe6d4;
}

.badge.warn {
  color: var(--warning);
  background: #fff4df;
  border-color: #ecd19f;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tabs button.active {
  background: #20231f;
  color: #ffffff;
}

.editor-shell {
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #ffffff;
}

.editor-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}

.editor-toolbar button {
  min-width: 38px;
  min-height: 34px;
  padding: 5px 8px;
}

.rich-editor {
  min-height: 340px;
  padding: 20px;
  line-height: 1.6;
  outline: 0;
  overflow: auto;
}

.rich-editor h1,
.rich-editor h2,
.rich-editor h3 {
  margin: 16px 0 8px;
}

.rich-editor p {
  margin: 0 0 12px;
}

.rich-editor img.document-image,
.document-page img {
  display: block;
  max-height: 10cm;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  margin: 10px 0 14px;
}

.document-workspace {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  background: #e8ece8;
}

.document-workspace-bar {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px 10px 18px;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 10px rgba(39, 45, 39, 0.08);
}

.document-workspace-bar > div:first-child {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.document-workspace-bar strong,
.document-workspace-bar span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workspace-close {
  min-width: 40px;
  width: 40px;
  height: 40px;
  padding: 0;
  font-size: 28px;
  line-height: 1;
}

.document-workspace-body {
  min-height: 0;
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
}

.document-workspace-side {
  min-height: 0;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 14px;
  background: #f9faf7;
  border-right: 1px solid var(--line);
}

.panel-lite {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.document-page-wrap {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
}

.workspace-toolbar {
  position: sticky;
  top: 0;
  z-index: 2;
}

.document-page {
  width: min(920px, calc(100% - 42px));
  min-height: calc(100vh - 112px);
  margin: 22px auto;
  padding: 48px 56px;
  background: #ffffff;
  border: 1px solid #cfd5cf;
  box-shadow: 0 14px 34px rgba(39, 45, 39, 0.16);
  overflow: auto;
}

.document-page.dragging {
  outline: 3px solid color-mix(in srgb, var(--accent) 60%, transparent);
  outline-offset: -8px;
}

.photo-library {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}

.photo-library.workspace {
  grid-template-columns: 1fr;
}

.photo-tile {
  display: grid;
  gap: 6px;
  min-height: 0;
  padding: 8px;
  text-align: left;
  background: #ffffff;
}

.photo-tile img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--line);
}

.photo-tile span,
.photo-tile small {
  overflow-wrap: anywhere;
}

.photo-tile small {
  color: var(--muted);
}

.dropzone {
  display: grid;
  gap: 5px;
  min-height: 120px;
  align-content: center;
  justify-items: center;
  text-align: center;
  border: 2px dashed color-mix(in srgb, var(--accent) 38%, var(--line));
  border-radius: 8px;
  background: #f7fbfa;
  padding: 18px;
  color: var(--muted);
}

.dropzone strong {
  color: var(--text);
}

.dropzone.dragging {
  border-color: var(--accent);
  background: #e8f6f3;
}

.upload-picker {
  display: grid;
  gap: 8px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffefa;
  padding: 12px;
}

.upload-picker .primary {
  width: fit-content;
}

.file-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.timer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
}

.timer-time {
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 6vw, 48px);
  font-weight: 800;
}

.activity-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.activity-grid button {
  min-height: 54px;
}

.empty {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 16px;
  color: var(--muted);
  background: #fffefa;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  max-width: min(420px, calc(100vw - 36px));
  background: #20231f;
  color: #ffffff;
  padding: 12px 14px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: 160ms ease;
  z-index: 20;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast.error {
  background: var(--danger);
}

.mobile-menu {
  display: none;
}

.hidden {
  display: none !important;
}

@media (max-width: 980px) {
  .auth-panel,
  .layout,
  .split,
  .grid-2,
  .grid-3,
  .metrics {
    grid-template-columns: 1fr;
  }

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

  .sidebar {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .layout {
    grid-template-rows: auto 1fr;
  }

  .mobile-menu {
    display: inline-flex;
  }

  .nav.collapsed {
    display: none;
  }

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

  .document-workspace-body {
    grid-template-columns: 1fr;
    overflow: auto;
  }

  .document-workspace-side {
    max-height: 42vh;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .document-page {
    width: calc(100% - 20px);
    margin: 10px;
    padding: 28px 22px;
  }
}

@media (max-width: 620px) {
  .auth-screen,
  .content {
    padding: 12px;
  }

  .auth-brand,
  .auth-form,
  .panel {
    padding: 14px;
  }

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

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 12px;
  }

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

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

  .document-workspace-bar {
    align-items: flex-start;
    flex-direction: column;
  }

  .document-workspace-bar .actions {
    width: 100%;
    justify-content: space-between;
  }
}