:root {
  --station-bg: #eef3e6;
  --paper: #ffffff;
  --ink: #111111;
  --muted: #66716d;
  --line: #cfd8d3;
  --teal: #1f9db2;
  --teal-dark: #137f91;
  --blue: #2e79bd;
  --red: #c24a43;
  --green: #278458;
  --surface: #ffffff;
  --app-bg: #eef2f5;
  --shadow: 0 14px 36px rgba(28, 38, 46, 0.12);
  font-family: Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--app-bg);
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 22px;
  background: #26333d;
  color: #fff;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 230px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 6px;
  background: var(--teal);
  color: #fff;
  font-weight: 700;
  font-size: 22px;
}

.brand strong,
.brand span {
  display: block;
}

.brand span {
  margin-top: 2px;
  color: #cad4d8;
  font-size: 13px;
}

.tabs {
  display: flex;
  align-items: center;
  gap: 6px;
}

.tab {
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.08);
  color: #eef7fa;
  border-radius: 5px;
  padding: 9px 13px;
}

.tab.active {
  background: #fff;
  color: #1c2b34;
}

main {
  min-height: calc(100vh - 67px);
}

.panel {
  display: none;
}

.panel.active {
  display: block;
}

body[data-mode="station"] {
  background: var(--station-bg);
}

body[data-mode="station"] .topbar {
  display: none;
}

body[data-mode="station"] main {
  min-height: 100vh;
}

.exam-station {
  min-height: 100vh;
  background: var(--station-bg);
}

.exam-system-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 42px;
  padding: 7px 12px;
  background: #edf4f7;
  border-bottom: 1px solid #aabcc4;
  color: #1e2e36;
  font-size: 14px;
}

.exam-code {
  white-space: nowrap;
}

.exam-clock {
  min-width: 92px;
  padding: 4px 8px;
  border: 1px solid #b5c7ce;
  background: #fff;
  text-align: center;
  font-weight: 700;
}

.exam-spacer {
  flex: 1;
}

.exam-link,
.exam-icon {
  border: 0;
  background: transparent;
  color: #157a92;
}

.exam-link.finish {
  color: #9d332e;
}

.exam-icon {
  width: 28px;
  height: 28px;
  border: 1px solid #9db6bf;
  background: #fff;
  font-weight: 700;
}

.window-mark {
  color: #57656b;
  font-weight: 700;
}

.vpr-screen {
  position: relative;
  min-height: 100vh;
  padding: 18px 18px 72px;
}

.exam-choice-screen {
  isolation: isolate;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(246, 251, 252, 0.72) 0%, rgba(246, 251, 252, 0.38) 46%, rgba(246, 251, 252, 0.12) 100%),
    url("./assets/start-background.png") center / cover no-repeat;
}

.exam-choice-screen::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(255, 255, 255, 0.02);
}

.station-service-link {
  border: 0;
  background: transparent;
  color: #258aa0;
  padding: 0;
}

.top-service {
  position: absolute;
  top: 16px;
  right: 24px;
}

.builder-service {
  right: 24px;
}

.bottom-service {
  position: absolute;
  left: 18px;
  bottom: 18px;
}

.bottom-right {
  position: absolute;
  right: 18px;
  bottom: 14px;
}

.choice-head {
  padding-top: 90px;
  text-align: center;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.72);
}

.choice-head h1 {
  margin: 0;
  font-size: 34px;
  font-weight: 400;
}

.choice-head p {
  margin: 16px 0 0;
  color: #44545b;
  font-size: 22px;
}

.exam-choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 320px));
  justify-content: center;
  gap: 18px;
  margin-top: 64px;
}

.exam-choice-card {
  display: grid;
  gap: 12px;
  min-height: 188px;
  border: 1px solid #bfd2d9;
  border-radius: 8px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.93);
  backdrop-filter: blur(2px);
  color: #172a33;
  text-align: left;
  box-shadow: 0 8px 22px rgba(24, 42, 52, 0.08);
}

.exam-choice-card span {
  color: #258aa0;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

.exam-choice-card strong {
  font-size: 28px;
  line-height: 1.15;
}

.exam-choice-card small {
  align-self: end;
  color: #52636b;
  font-size: 15px;
}

.exam-choice-card.active:hover {
  border-color: var(--teal);
  box-shadow: 0 12px 28px rgba(24, 42, 52, 0.13);
}

.exam-choice-card.disabled {
  cursor: default;
  color: #6c777d;
  background: #f6f8f8;
}

.exam-choice-card.disabled span,
.exam-choice-card.disabled small {
  color: #7b878d;
}

.vpr-auth-head {
  padding-top: 8px;
}

.vpr-auth-head h1,
.vpr-auth-head h2 {
  margin: 0;
  font-weight: 400;
}

.vpr-auth-head h1 {
  font-size: 30px;
}

.vpr-auth-head h2 {
  margin-top: 16px;
  padding-bottom: 14px;
  border-bottom: 4px solid #50b2c1;
  font-size: 30px;
}

.registration-center {
  width: min(370px, calc(100vw - 36px));
  margin: 150px auto 0;
}

.registration-center label {
  display: block;
  margin: 14px 0 7px;
  color: #40505a;
  font-size: 13px;
}

.student-name-input,
.registration-inputs input {
  border: 1px solid #c9d1d1;
  background: #fbfbfb;
  color: #111;
}

.student-name-input {
  width: 100%;
  height: 44px;
  padding: 0 12px;
  font-size: 18px;
}

.student-class-input {
  width: 120px;
  text-align: center;
}

.registration-inputs {
  display: flex;
  gap: 6px;
}

.registration-inputs input {
  height: 60px;
  text-align: center;
  font-size: 30px;
}

.registration-inputs input:nth-child(1) {
  width: 40px;
}

.registration-inputs input:nth-child(2),
.registration-inputs input:nth-child(3) {
  width: 158px;
}

.generated-registration {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-top: 28px;
  color: #111;
}

.generated-code,
.generated-order {
  display: flex;
  align-items: center;
  gap: 8px;
}

.generated-code span {
  font-family: "Times New Roman", serif;
  font-size: 34px;
}

.generated-order span {
  font-family: "Times New Roman", serif;
  font-size: 16px;
  line-height: 1.05;
  text-align: right;
}

.generated-code output,
.generated-order output {
  display: inline-grid;
  place-items: center;
  height: 40px;
  border: 2px solid #1f1f1f;
  background:
    repeating-linear-gradient(90deg, transparent 0 33px, #c7c7c7 33px 34px),
    #fff;
  font-family: "Times New Roman", serif;
  font-size: 22px;
  letter-spacing: 6px;
  font-variant-numeric: tabular-nums;
}

.generated-code output {
  width: 136px;
  padding-left: 6px;
}

.generated-order output {
  width: 50px;
  letter-spacing: 4px;
  padding-left: 4px;
}

.vpr-primary,
.vpr-success,
.vpr-danger,
.button {
  min-height: 36px;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 9px 14px;
  font-weight: 700;
}

.vpr-primary {
  background: linear-gradient(#43bfd1, #168fa5);
  color: #fff;
  border-color: #16899e;
}

.vpr-success {
  background: #2f9b67;
  color: #fff;
}

.vpr-danger,
.button.danger {
  background: #cb5047;
  color: #fff;
}

.exam-work-screen {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  min-height: calc(100vh - 42px);
}

.exam-sidebar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 12px 8px;
  background: #e1ebef;
  border-right: 1px solid #b7c8d0;
}

.answers-box {
  width: 66px;
  padding: 7px 4px;
  border: 1px solid #adc1ca;
  background: #fff;
  text-align: center;
}

.answers-box span {
  display: block;
  color: #596a72;
  font-size: 11px;
}

.answers-box strong {
  display: block;
  margin-top: 3px;
  font-size: 13px;
}

.side-step,
.info-button,
.task-list.station-numbers button {
  width: 42px;
  height: 34px;
  border: 1px solid #a7bec7;
  background: #fff;
  color: #20323b;
  border-radius: 3px;
}

.info-button {
  background: #283b45;
  color: #fff;
  font-weight: 700;
}

.task-list.station-numbers {
  display: grid;
  gap: 6px;
  width: 100%;
  place-items: center;
}

.task-list.station-numbers button {
  position: relative;
  width: 52px;
  font-size: 13px;
}

.task-list.station-numbers button.answered::after {
  content: "";
  position: absolute;
  right: 5px;
  top: 5px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
}

.task-list.station-numbers button.active {
  background: var(--teal);
  color: #fff;
  border-color: var(--teal-dark);
}

.exam-content {
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 42px;
  min-height: 100%;
  background: #dbe7ec;
}

.page-arrow {
  align-self: stretch;
  border: 0;
  background: transparent;
  color: #6d7e86;
  font-size: 44px;
}

.page-arrow:hover {
  background: rgba(255, 255, 255, 0.36);
}

.exam-scroll {
  overflow: auto;
  padding: 28px 20px 44px;
}

.exam-paper {
  max-width: 1060px;
  min-height: 780px;
  margin: 0 auto;
  padding: 34px 42px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.paper-center {
  max-width: 760px;
  margin: 28px auto;
  line-height: 1.55;
}

.paper-center h1,
.paper-center h2,
.paper-center h3 {
  text-align: center;
}

.paper-center h1 {
  font-size: 26px;
}

.paper-note {
  margin-top: 18px;
  padding: 14px;
  border-left: 4px solid var(--teal);
  background: #eef9fb;
}

.wish {
  text-align: center;
  font-weight: 700;
}

.workspace-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid #e0e5e7;
}

.eyebrow {
  margin: 0;
  color: #66727a;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0;
}

.workspace-head h2,
.editor-head h2 {
  margin: 4px 0 0;
  font-size: 22px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 9px;
  border: 1px solid #c9d6dc;
  border-radius: 4px;
  background: #eef6f8;
  color: #31505a;
  font-size: 13px;
}

.statement {
  padding-top: 26px;
}

.statement img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.materials {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.materials-card {
  padding: 14px;
  border: 1px solid #cbd8dd;
  background: #f4fafb;
}

.materials-card h3 {
  margin: 0 0 10px;
  font-size: 16px;
}

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

.material-link {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 10px;
  border: 1px solid #b9cbd2;
  border-radius: 4px;
  background: #fff;
  color: #156f83;
  text-decoration: none;
  font-weight: 700;
}

.material-link:hover {
  border-color: var(--teal);
}

.answer-area {
  margin-top: 24px;
  padding: 16px;
  border: 1px solid #cbd8dd;
  background: #f7fbfc;
}

.answer-area label {
  display: block;
  margin-bottom: 8px;
  color: #3b4e56;
  font-weight: 700;
}

.answer-row {
  display: grid;
  grid-template-columns: minmax(160px, 1fr) auto;
  gap: 10px;
}

.answer-row input {
  min-width: 0;
  height: 42px;
  border: 1px solid #aebfc6;
  padding: 0 12px;
  font-size: 20px;
}

.answer-row button {
  min-width: 120px;
}

.file-answer {
  display: grid;
  gap: 10px;
}

.file-answer-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.file-answer-row input {
  min-width: 0;
  min-height: 42px;
  padding: 8px;
  border: 1px solid #aebfc6;
  background: #fff;
  font-size: 15px;
}

.file-answer-row button {
  min-width: 120px;
}

.file-answer-list {
  display: grid;
  gap: 8px;
}

.file-answer-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 10px;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid #d4e0e5;
  background: #fff;
}

.file-answer-item a {
  min-width: 0;
  color: #12365f;
  overflow-wrap: anywhere;
  font-weight: 700;
}

.file-answer-item span,
.file-answer-empty {
  color: #66737b;
  font-size: 13px;
}

.file-answer-empty {
  margin: 0;
}

.file-answer-item button {
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid #d9a7a7;
  color: #9c2f2f;
  background: #fff8f8;
}

.answer-table-wrap {
  display: flex;
  align-items: end;
  gap: 12px;
}

.answer-table {
  border-collapse: collapse;
  background: #fff;
}

.answer-table th,
.answer-table td {
  width: 56px;
  height: 42px;
  border: 1px solid #9fb4bd;
  text-align: center;
}

.answer-table th {
  background: #e7f1f4;
  color: #2e4650;
  font-weight: 700;
}

.answer-table .truth-action-head {
  background: #fff;
}

.truth-table-wrap {
  align-items: flex-start;
  overflow-x: auto;
  max-width: 100%;
  padding-bottom: 4px;
}

.truth-table .truth-action-head {
  width: 136px;
  min-width: 136px;
  padding: 4px;
  vertical-align: middle;
}

.truth-operation-cell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 34px;
  gap: 4px;
  align-items: stretch;
}

.answer-table .truth-operation-cell input,
.answer-table .truth-operation-cell select {
  height: 32px;
  border: 1px solid #aebfc6;
  background: #fff;
  color: #172a33;
}

.answer-table .truth-operation-cell input {
  min-width: 0;
  width: 100%;
  padding: 0 6px;
  text-align: center;
  font-size: 15px;
  font-weight: 700;
}

.answer-table .truth-operation-cell select {
  padding: 0;
  text-align: center;
  font-size: 16px;
  font-weight: 700;
}

.answer-table .truth-fixed {
  background: #f6fafb;
  font-size: 20px;
  font-weight: 700;
  color: #2e4650;
}

.answer-table input {
  width: 100%;
  height: 100%;
  border: 0;
  background: transparent;
  text-align: center;
  font-size: 22px;
  font-weight: 700;
}

.answer-table input:focus {
  outline: 2px solid #29a8bd;
  outline-offset: -2px;
}

.answer-table input.keyboard-active,
.answer-row input.keyboard-active {
  outline: 2px solid #29a8bd;
  outline-offset: -2px;
}

.answer-table-wrap button {
  min-width: 120px;
}

.required-file-answer {
  display: grid;
  gap: 12px;
}

.required-file-slot {
  border: 1px solid #c6d6dc;
  background: #fff;
  padding: 12px;
}

.required-file-slot > label {
  display: block;
  margin: 0 0 8px;
  font-weight: 700;
}

.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;
}

.finish-confirm-screen,
.exam-finished-screen {
  background: #eef3e6;
}

.finish-title-bar {
  max-width: 760px;
  margin: 70px auto 12px;
  padding: 10px 12px;
  background: #31414a;
  color: #fff;
  font-size: 20px;
}

.finish-id-line,
.finish-warning,
.finish-answer-card,
.finish-center {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.finish-answer-card,
.finish-center {
  padding: 22px;
  background: #fff;
  border: 1px solid #c9d7d0;
  box-shadow: var(--shadow);
}

.finish-task-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(34px, 1fr));
  gap: 8px;
  margin: 16px 0;
}

.finish-task-grid span,
.finish-legend span {
  display: grid;
  place-items: center;
  height: 34px;
  border: 1px solid #a8bdc5;
  background: #eaf8f1;
}

.finish-task-grid span.empty,
.finish-legend.empty span {
  background: #fff;
}

.finish-legend {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  color: #56666d;
}

.confirm-left,
.confirm-right {
  position: absolute;
  bottom: 18px;
}

.confirm-left {
  left: 18px;
}

.confirm-right {
  right: 18px;
}

.finish-center {
  margin-top: 110px;
  text-align: center;
}

.checksum-box {
  display: inline-grid;
  gap: 6px;
  min-width: 280px;
  margin-top: 18px;
  padding: 16px;
  border: 1px solid #b9cbd0;
  background: #eef8fb;
}

.checksum-box strong {
  font-size: 24px;
}

.finish-export-row {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 22px;
}

.finish-export-row button {
  border: 1px solid #b6c7ce;
  background: #fff;
  border-radius: 4px;
  padding: 9px 14px;
}

body[data-mode="builder"],
body[data-mode="results"] {
  background: var(--app-bg);
}

.builder-layout {
  display: grid;
  grid-template-columns: 310px minmax(0, 1fr);
  gap: 18px;
  padding: 18px;
}

.results-layout {
  display: grid;
  gap: 16px;
  margin: 18px;
  padding: 22px;
}

.surface {
  min-height: 0;
  background: var(--surface);
  border: 1px solid #d8e0e4;
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(29, 42, 51, 0.08);
}

.builder-side,
.results-side {
  padding: 16px;
}

.results-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
}

.results-head h1 {
  margin: 4px 0 0;
  font-size: 28px;
}

.results-head-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.side-head h1 {
  margin: 4px 0 16px;
  font-size: 24px;
}

.button-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.button {
  background: #eef4f7;
  color: #24333b;
  border-color: #c5d2d8;
}

.button.primary {
  background: var(--teal);
  color: #fff;
  border-color: var(--teal-dark);
}

.task-list.builder,
.result-list {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.task-item,
.result-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 10px;
  align-items: center;
  width: 100%;
  border: 1px solid #d4e0e4;
  border-radius: 5px;
  background: #fff;
  padding: 8px;
  text-align: left;
}

.task-item.active,
.result-item.active {
  border-color: var(--teal);
  background: #eef9fb;
}

.task-item .num {
  display: grid;
  place-items: center;
  height: 34px;
  background: #eef4f7;
  border-radius: 4px;
  font-weight: 700;
}

.task-item small,
.result-item small {
  display: block;
  color: #66737b;
}

.editor,
.result-detail {
  padding: 18px;
  overflow: auto;
}

.editor-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 14px;
}

.builder-base-form,
.builder-task-form,
.builder-check-form {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) 160px;
  gap: 8px;
  margin-bottom: 8px;
}

.builder-task-form {
  grid-template-columns: 110px minmax(220px, 1fr) 200px 110px;
}

.builder-check-form {
  grid-template-columns: 180px minmax(220px, 1fr);
}

.builder-field {
  display: grid;
  gap: 4px;
  color: #52626b;
  font-size: 13px;
}

.builder-field input,
.builder-field select,
.builder-material-row input {
  width: 100%;
  min-width: 0;
  height: 36px;
  border: 1px solid #cbd8dd;
  background: #fff;
  padding: 0 10px;
  color: #111;
  font-size: 16px;
}

.builder-question-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 10px -18px 10px;
  padding: 10px 18px;
  border-top: 1px solid #d8e0e4;
  border-bottom: 1px solid #d8e0e4;
  background: #f4f8ee;
}

.builder-question-bar strong {
  margin-right: auto;
}

.builder-question-form {
  display: grid;
  gap: 10px;
}

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

.question-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.question-tabs button {
  border: 1px solid #cbd8dd;
  background: #fff;
  border-radius: 4px;
  padding: 7px 9px;
}

.question-tabs button.active {
  background: var(--teal);
  border-color: var(--teal-dark);
  color: #fff;
}

.builder-materials-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 2px;
}

.builder-materials-head h3 {
  margin: 0;
  font-size: 22px;
}

.builder-materials {
  display: grid;
  gap: 8px;
}

.builder-material-row {
  display: grid;
  grid-template-columns: minmax(160px, 260px) minmax(240px, 1fr) auto;
  gap: 8px;
}

.tox-tinymce {
  border-color: #cbd8dd !important;
}

.builder-preview {
  max-width: 1060px;
  padding: 24px;
  border: 1px solid #d8e3e8;
  background: #fff;
}

.builder-preview img {
  display: block;
  max-width: 100%;
  height: auto;
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 320px;
  color: #6b777d;
  border: 1px dashed #cbd8dd;
  background: #fbfdfe;
}

.empty-state.small {
  min-height: 58px;
}

.results-content {
  display: grid;
  gap: 14px;
}

.result-summary {
  display: grid;
  grid-template-columns: minmax(140px, 0.65fr) minmax(220px, 1.35fr) minmax(160px, 0.8fr);
  gap: 12px;
}

.result-summary div {
  min-width: 0;
  display: grid;
  gap: 4px;
  align-content: start;
  padding: 14px;
  border: 1px solid #d7e1e5;
  border-radius: 6px;
  background: #f7fbfc;
}

.result-summary span {
  display: block;
  color: #66737b;
  font-size: 12px;
}

.result-summary strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.result-nav {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid #d7e1e5;
  border-radius: 6px;
  background: #fff;
}

.result-nav strong {
  text-align: center;
}

.result-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.result-card {
  border: 1px solid #d7e1e5;
  border-radius: 6px;
  background: #fff;
  overflow: hidden;
}

.result-card-body {
  padding: 14px;
}

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

.result-table th,
.result-table td {
  border-bottom: 1px solid #d7e1e5;
  padding: 10px;
  text-align: left;
  vertical-align: top;
}

.result-table th {
  color: #66737b;
  font-weight: 700;
}

.result-answer-pair {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.result-answer-item {
  display: grid;
  gap: 4px;
}

.result-answer-item > span {
  color: #66737b;
  font-size: 12px;
  font-weight: 700;
}

.result-answer-text {
  display: inline-block;
  max-width: 100%;
  padding: 6px 8px;
  border: 1px solid #d8e3e8;
  background: #fbfdfe;
  white-space: pre-wrap;
}

.result-answer-text.correct {
  border-color: #c7d7ef;
  background: #f6f9ff;
}

.result-task-detail-row td {
  padding-top: 0;
  border-top: 0;
  background: #fbfcf7;
}

.result-task-preview {
  margin: 0 0 8px;
}

.result-task-image-actions,
.result-material-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.result-task-image-actions button,
.result-material-links a {
  padding: 6px 9px;
  border: 1px solid #c7d7ef;
  background: #f6f9ff;
  color: #12365f;
  font-weight: 700;
}

.manual-score-field {
  display: inline-grid;
  grid-template-columns: 74px auto;
  gap: 6px;
  align-items: center;
}

.manual-score-field input {
  width: 74px;
  min-width: 0;
  height: 34px;
  border: 1px solid #b9ccd4;
  padding: 0 8px;
  font-size: 16px;
}

.result-file-list {
  display: grid;
  gap: 8px;
}

.result-file-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 8px;
  border: 1px solid #d7e1e5;
  background: #fbfdfe;
}

.result-file-row span {
  min-width: 0;
}

.result-file-row strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.result-file-row small {
  display: block;
  color: #66737b;
  font-size: 12px;
}

.result-file-row a {
  color: #12365f;
  font-weight: 700;
}

.result-image-modal {
  position: fixed;
  inset: 0;
  z-index: 4000;
  display: grid;
  place-items: center;
  padding: 28px;
  background: rgba(17, 24, 39, 0.62);
}

.result-image-modal-window {
  position: relative;
  max-width: min(1120px, 100%);
  max-height: min(820px, 100%);
  padding: 18px;
  border: 1px solid #d7e1e5;
  border-radius: 6px;
  background: #fff;
  box-shadow: var(--shadow);
  overflow: auto;
}

.result-image-modal-close {
  position: sticky;
  top: 0;
  float: right;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  margin: 0 0 10px 10px;
  border: 1px solid #d8e0e4;
  border-radius: 50%;
  background: #fff;
  color: #111;
  font-size: 22px;
  line-height: 1;
  z-index: 1;
}

.result-image-modal img {
  display: block;
  max-width: 100%;
  height: auto;
  clear: both;
}

.image-crop-window {
  position: relative;
  width: min(1120px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  padding: 22px;
  border-radius: 6px;
  background: #fff;
  box-shadow: var(--shadow);
  overflow: auto;
}

.image-crop-window h2 {
  margin: 0 44px 16px 0;
}

.image-crop-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 16px;
  align-items: start;
}

.image-crop-frame {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 420px;
  max-height: 68vh;
  border: 1px solid #cbd8dd;
  background: #eef4f7;
  overflow: hidden;
  user-select: none;
  touch-action: none;
}

.image-crop-frame img {
  display: block;
  max-width: 100%;
  max-height: 68vh;
  height: auto;
}

.image-crop-box {
  position: absolute;
  border: 2px solid #0f9bb5;
  box-shadow: 0 0 0 9999px rgba(14, 31, 39, 0.46);
  cursor: move;
}

.image-crop-box::before,
.image-crop-box::after {
  content: "";
  position: absolute;
  inset: 33.333% 0 auto;
  border-top: 1px solid rgba(255, 255, 255, 0.72);
}

.image-crop-box::after {
  inset: 66.666% 0 auto;
}

.image-crop-box span {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid #fff;
  background: #0f9bb5;
}

.image-crop-box [data-crop-handle="nw"] {
  left: -8px;
  top: -8px;
  cursor: nwse-resize;
}

.image-crop-box [data-crop-handle="n"] {
  left: calc(50% - 7px);
  top: -8px;
  cursor: ns-resize;
}

.image-crop-box [data-crop-handle="ne"] {
  right: -8px;
  top: -8px;
  cursor: nesw-resize;
}

.image-crop-box [data-crop-handle="e"] {
  right: -8px;
  top: calc(50% - 7px);
  cursor: ew-resize;
}

.image-crop-box [data-crop-handle="se"] {
  right: -8px;
  bottom: -8px;
  cursor: nwse-resize;
}

.image-crop-box [data-crop-handle="s"] {
  left: calc(50% - 7px);
  bottom: -8px;
  cursor: ns-resize;
}

.image-crop-box [data-crop-handle="sw"] {
  left: -8px;
  bottom: -8px;
  cursor: nesw-resize;
}

.image-crop-box [data-crop-handle="w"] {
  left: -8px;
  top: calc(50% - 7px);
  cursor: ew-resize;
}

.image-crop-controls {
  display: grid;
  gap: 10px;
}

.image-crop-controls label {
  display: grid;
  gap: 4px;
  color: #52626b;
  font-size: 13px;
}

.image-crop-controls input {
  height: 36px;
  border: 1px solid #cbd8dd;
  padding: 0 10px;
  font-size: 16px;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(20, 31, 38, 0.46);
}

.modal-window {
  position: relative;
  width: min(560px, 100%);
  padding: 24px;
  border-radius: 6px;
  background: #fff;
  box-shadow: var(--shadow);
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 30px;
  height: 30px;
  border: 1px solid #cbd8dd;
  background: #fff;
}

.access-field {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.access-field span {
  color: #46565e;
  font-weight: 700;
}

.access-field input {
  height: 42px;
  border: 1px solid #b9c8cf;
  padding: 0 12px;
}

.access-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  z-index: 120;
  transform: translateX(-50%);
  max-width: min(520px, calc(100vw - 28px));
  padding: 10px 14px;
  background: #22333d;
  color: #fff;
  border-radius: 4px;
  box-shadow: var(--shadow);
}

[hidden] {
  display: none !important;
}

@media (max-width: 860px) {
  .topbar,
  .tabs {
    flex-wrap: wrap;
  }

  .choice-head {
    padding-top: 72px;
  }

  .exam-choice-grid {
    grid-template-columns: minmax(220px, 360px);
    margin-top: 42px;
  }

  .exam-work-screen {
    grid-template-columns: 1fr;
  }

  .exam-sidebar {
    position: sticky;
    top: 0;
    z-index: 5;
    flex-direction: row;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid #b7c8d0;
  }

  .task-list.station-numbers {
    display: flex;
    width: auto;
  }

  .exam-content {
    grid-template-columns: 1fr;
  }

  .page-arrow {
    display: none;
  }

  .exam-paper {
    min-height: 0;
    padding: 22px 16px;
  }

  .builder-layout,
  .results-layout {
    grid-template-columns: 1fr;
  }

  .results-head {
    flex-direction: column;
  }

  .results-head-actions {
    justify-content: flex-start;
  }

  .image-crop-layout {
    grid-template-columns: 1fr;
  }

  .image-crop-frame {
    min-height: 300px;
  }

  .builder-base-form,
  .builder-task-form,
  .builder-check-form,
  .builder-material-row {
    grid-template-columns: 1fr;
  }

  .builder-question-bar {
    flex-wrap: wrap;
    margin-left: 0;
    margin-right: 0;
  }

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

@media (max-width: 560px) {
  .vpr-auth-head h1,
  .vpr-auth-head h2 {
    font-size: 24px;
  }

  .registration-center {
    margin-top: 96px;
  }

  .generated-registration {
    flex-wrap: wrap;
    gap: 14px;
  }

  .registration-inputs input:nth-child(2),
  .registration-inputs input:nth-child(3) {
    width: 120px;
  }

  .answer-row,
  .file-answer-row {
    grid-template-columns: 1fr;
  }

  .answer-table-wrap {
    align-items: stretch;
    flex-direction: column;
  }

  .answer-table {
    width: 100%;
  }

  .finish-task-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .confirm-left,
  .confirm-right {
    position: static;
    margin-top: 12px;
  }

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