.kot-app,
.kot-app * {
  box-sizing: border-box;
}

.kot-app {
  --kot-primary: #175c55;
  --kot-primary-dark: #0e403b;
  --kot-ink: #152320;
  --kot-muted: #687874;
  --kot-line: #dbe4e1;
  --kot-soft: #f3f7f6;
  --kot-warn: #a45a12;
  --kot-danger: #a83232;
  --kot-success: #28764e;
  color: var(--kot-ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  margin: 20px auto;
  max-width: 1240px;
}

.kot-app button,
.kot-app input,
.kot-app textarea,
.kot-app select {
  font: inherit;
}

.kot-shell {
  background: #fff;
  border: 1px solid var(--kot-line);
  border-radius: 22px;
  box-shadow: 0 24px 70px rgba(22, 50, 44, 0.1);
  overflow: hidden;
}

.kot-topbar {
  align-items: center;
  background: #fff;
  border-bottom: 1px solid var(--kot-line);
  display: flex;
  justify-content: space-between;
  min-height: 76px;
  padding: 14px 30px;
}

.kot-brand {
  align-items: center;
  display: flex;
  gap: 13px;
}

.kot-logo {
  align-items: center;
  background: var(--kot-primary);
  border-radius: 13px;
  color: #fff;
  display: inline-flex;
  font-family: "Noto Serif JP", serif;
  font-size: 25px;
  height: 47px;
  justify-content: center;
  width: 47px;
}

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

.kot-brand strong {
  font-size: 15px;
  letter-spacing: 0.01em;
}

.kot-brand div > span {
  color: var(--kot-muted);
  font-size: 12px;
  margin-top: 2px;
}

.kot-nav {
  background: var(--kot-soft);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 8px 30px;
}

.kot-nav button {
  background: transparent;
  border: 0;
  border-radius: 10px;
  color: var(--kot-muted);
  cursor: pointer;
  font-weight: 650;
  padding: 11px 16px;
}

.kot-nav button span {
  color: #91a29d;
  font-size: 11px;
  margin-right: 8px;
}

.kot-nav button:hover,
.kot-nav button.is-active {
  background: #fff;
  color: var(--kot-primary);
  box-shadow: 0 3px 12px rgba(20, 65, 58, 0.08);
}

.kot-app main {
  min-height: 460px;
}

.kot-hero {
  align-items: center;
  background: linear-gradient(130deg, var(--kot-primary-dark), var(--kot-primary));
  color: #fff;
  display: flex;
  gap: 40px;
  justify-content: space-between;
  padding: 55px 54px;
}

.kot-hero h1,
.kot-room h1,
.kot-form-intro h1 {
  font-size: clamp(30px, 4vw, 50px);
  letter-spacing: -0.035em;
  line-height: 1.06;
  margin: 8px 0 15px;
  max-width: 760px;
}

.kot-hero p {
  color: rgba(255, 255, 255, 0.82);
  margin: 0;
  max-width: 700px;
}

.kot-eyebrow {
  color: var(--kot-primary);
  display: block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.kot-hero .kot-eyebrow,
.kot-result-hero .kot-eyebrow {
  color: #bfe0d8;
}

.kot-hero-stat {
  border-left: 1px solid rgba(255, 255, 255, 0.25);
  display: grid;
  flex: 0 0 180px;
  grid-template-columns: auto 1fr;
  padding-left: 30px;
  row-gap: 9px;
}

.kot-hero-stat strong {
  font-size: 30px;
  line-height: 1;
}

.kot-hero-stat span {
  align-self: center;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  padding-left: 10px;
}

.kot-section {
  border-bottom: 1px solid var(--kot-line);
  padding: 42px 48px;
}

.kot-section-head {
  align-items: flex-start;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  margin-bottom: 24px;
}

.kot-section h2,
.kot-section-head h2 {
  font-size: clamp(23px, 3vw, 32px);
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin: 5px 0;
}

.kot-section-head p {
  color: var(--kot-muted);
  margin: 6px 0 0;
}

.kot-btn {
  align-items: center;
  border: 1px solid transparent;
  border-radius: 9px;
  cursor: pointer;
  display: inline-flex;
  font-size: 14px;
  font-weight: 750;
  justify-content: center;
  min-height: 43px;
  padding: 9px 17px;
  text-decoration: none;
}

.kot-btn:disabled {
  cursor: not-allowed;
  opacity: 0.46;
}

.kot-btn-primary {
  background: var(--kot-primary);
  color: #fff;
}

.kot-btn-primary:hover {
  filter: brightness(0.92);
}

.kot-btn-quiet {
  background: #fff;
  border-color: var(--kot-line);
  color: var(--kot-ink);
}

.kot-btn-danger {
  background: #fff;
  border-color: #e5bcbc;
  color: var(--kot-danger);
}

.kot-btn-wide {
  width: 100%;
}

.kot-case-grid {
  display: grid;
  gap: 13px;
  grid-template-columns: repeat(3, 1fr);
}

.kot-case-card {
  background: #fff;
  border: 1px solid var(--kot-line);
  border-radius: 14px;
  color: var(--kot-ink);
  cursor: pointer;
  display: grid;
  gap: 8px;
  min-height: 185px;
  padding: 19px;
  position: relative;
  text-align: left;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.kot-case-card:hover {
  border-color: var(--kot-primary);
  box-shadow: 0 12px 26px rgba(20, 65, 58, 0.09);
  transform: translateY(-2px);
}

.kot-case-card.is-selected {
  border: 2px solid var(--kot-primary);
  padding: 18px;
}

.kot-code,
.kot-level {
  color: var(--kot-primary);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.kot-level {
  background: var(--kot-soft);
  border-radius: 30px;
  padding: 4px 8px;
  position: absolute;
  right: 14px;
  top: 14px;
}

.kot-case-card strong {
  font-size: 19px;
  line-height: 1.2;
}

.kot-case-card small {
  color: var(--kot-muted);
  font-size: 13px;
}

.kot-case-card > span:last-child {
  align-self: end;
  color: var(--kot-muted);
  font-size: 12px;
}

.kot-time-total {
  background: var(--kot-soft);
  border-radius: 12px;
  min-width: 145px;
  padding: 13px 17px;
  text-align: right;
}

.kot-time-total span,
.kot-time-total strong {
  display: block;
}

.kot-time-total span {
  color: var(--kot-muted);
  font-size: 11px;
  text-transform: uppercase;
}

.kot-time-total strong {
  color: var(--kot-primary);
  font-size: 21px;
}

.kot-two-col {
  display: grid;
  gap: 22px;
  grid-template-columns: 1fr 1fr;
}

.kot-two-col article {
  border-top: 3px solid var(--kot-primary);
  padding-top: 13px;
}

.kot-two-col h3,
.kot-work-side h3,
.kot-step-body h4 {
  font-size: 15px;
  margin: 0 0 13px;
}

.kot-data-list,
.kot-mini-plan {
  margin: 0;
}

.kot-data-list > div,
.kot-mini-plan > div {
  border-top: 1px solid var(--kot-line);
  display: grid;
  gap: 15px;
  grid-template-columns: 115px 1fr;
  padding: 9px 0;
}

.kot-data-list dt,
.kot-mini-plan dt {
  color: var(--kot-muted);
  font-size: 12px;
  font-weight: 750;
}

.kot-data-list dd,
.kot-mini-plan dd {
  font-size: 13px;
  margin: 0;
}

.kot-instruction {
  background: var(--kot-primary);
  border-radius: 13px;
  color: #fff;
  margin-top: 24px;
  padding: 20px 23px;
}

.kot-instruction span {
  color: #bfe0d8;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.kot-instruction p {
  margin: 7px 0 0;
}

.kot-critical {
  border-left: 4px solid #d98f42;
  margin-top: 22px;
  padding: 4px 0 4px 20px;
}

.kot-critical h3 {
  color: var(--kot-warn);
  font-size: 14px;
  margin: 0 0 8px;
  text-transform: uppercase;
}

.kot-critical ul,
.kot-step-body ul,
.kot-reference ul {
  margin: 0;
  padding-left: 20px;
}

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

.kot-guide {
  border: 1px solid var(--kot-line);
  border-radius: 12px;
  overflow: hidden;
}

.kot-guide summary {
  align-items: center;
  cursor: pointer;
  display: flex;
  font-weight: 800;
  justify-content: space-between;
  list-style: none;
  padding: 15px 17px;
}

.kot-guide summary::-webkit-details-marker,
.kot-step-study summary::-webkit-details-marker {
  display: none;
}

.kot-guide summary b {
  color: #9aacA7;
  font-size: 12px;
}

.kot-guide[open] summary {
  background: var(--kot-soft);
  color: var(--kot-primary);
}

.kot-guide > ul {
  margin: 15px 20px 10px;
  padding-left: 18px;
}

.kot-guide > ul li {
  margin: 6px 0;
}

.kot-phrases {
  border-top: 1px solid var(--kot-line);
  margin: 14px 18px 18px;
  padding-top: 10px;
}

.kot-phrases p,
.kot-reference > p {
  color: var(--kot-primary-dark);
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 650;
  margin: 7px 0;
}

.kot-flow {
  display: grid;
  gap: 11px;
}

.kot-step-study {
  border: 1px solid var(--kot-line);
  border-radius: 13px;
  overflow: hidden;
}

.kot-step-study > summary {
  align-items: center;
  cursor: pointer;
  display: grid;
  gap: 14px;
  grid-template-columns: auto 1fr auto;
  list-style: none;
  padding: 15px 18px;
}

.kot-step-study[open] > summary {
  background: var(--kot-soft);
}

.kot-step-number {
  align-items: center;
  background: var(--kot-primary);
  border-radius: 9px;
  color: #fff;
  display: inline-flex;
  font-size: 12px;
  font-weight: 850;
  height: 38px;
  justify-content: center;
  width: 38px;
}

.kot-step-study summary strong,
.kot-step-study summary small {
  display: block;
}

.kot-step-study summary small {
  color: var(--kot-muted);
  margin-top: 1px;
}

.kot-step-study summary time {
  color: var(--kot-primary);
  font-size: 12px;
  font-weight: 750;
}

.kot-step-body {
  padding: 22px 25px 26px 70px;
}

.kot-scenario {
  border-bottom: 1px solid var(--kot-line);
  display: grid;
  gap: 18px;
  grid-template-columns: 145px 1fr;
  padding: 10px 0;
}

.kot-scenario b {
  color: var(--kot-primary);
  font-size: 12px;
  text-transform: uppercase;
}

.kot-scenario p {
  margin: 0;
}

.kot-step-body .kot-two-col {
  margin-top: 22px;
}

.kot-phrase-list {
  margin: 0;
  padding-left: 22px;
}

.kot-phrase-list li {
  color: var(--kot-primary-dark);
  margin: 8px 0;
}

.kot-check-preview {
  list-style: none;
  padding: 0 !important;
}

.kot-check-preview li {
  align-items: center;
  border-top: 1px solid var(--kot-line);
  display: grid;
  gap: 12px;
  grid-template-columns: 150px 1fr auto;
  padding: 10px 0;
}

.kot-category {
  color: var(--kot-primary);
  font-size: 11px;
  font-weight: 800;
}

.kot-check-preview b {
  color: var(--kot-muted);
  font-size: 11px;
}

.kot-record-example p {
  border-left: 4px solid var(--kot-primary);
  font-size: 17px;
  line-height: 1.8;
  margin: 18px 0 0;
  padding-left: 20px;
}

.kot-form-layout {
  display: grid;
  gap: 60px;
  grid-template-columns: 1.1fr 0.9fr;
  min-height: 590px;
  padding: 60px 65px;
}

.kot-form-intro {
  align-self: center;
}

.kot-form-intro h1 {
  color: var(--kot-primary-dark);
}

.kot-form-intro > p,
.kot-form-intro li {
  color: var(--kot-muted);
}

.kot-form-intro ol {
  margin-top: 25px;
  padding-left: 22px;
}

.kot-form-intro li {
  margin: 9px 0;
}

.kot-form-card {
  align-self: center;
  background: var(--kot-soft);
  border: 1px solid var(--kot-line);
  border-radius: 18px;
  padding: 28px;
}

.kot-form-card > label,
.kot-comment-field,
.kot-submit-panel > label {
  display: block;
  font-size: 13px;
  font-weight: 750;
  margin-bottom: 18px;
}

.kot-form-card input,
.kot-form-card select,
.kot-record-fields input,
.kot-record-fields textarea,
.kot-submit-panel textarea,
.kot-comment-field textarea,
.kot-teacher-controls select,
.kot-rubric-grid select {
  background: #fff;
  border: 1px solid #bdcac7;
  border-radius: 8px;
  color: var(--kot-ink);
  margin-top: 7px;
  min-height: 45px;
  padding: 9px 11px;
  width: 100%;
}

.kot-form-card input:focus,
.kot-form-card select:focus,
.kot-record-fields input:focus,
.kot-record-fields textarea:focus,
.kot-submit-panel textarea:focus,
.kot-comment-field textarea:focus {
  border-color: var(--kot-primary);
  box-shadow: 0 0 0 3px rgba(23, 92, 85, 0.12);
  outline: none;
}

.kot-note {
  border-top: 1px solid var(--kot-line);
  margin: 10px 0 22px;
  padding-top: 16px;
}

.kot-note p {
  color: var(--kot-muted);
  font-size: 12px;
  margin: 5px 0 0;
}

.kot-form-card fieldset {
  border: 0;
  margin: 0 0 20px;
  padding: 0;
}

.kot-form-card legend {
  font-size: 13px;
  font-weight: 750;
  margin-bottom: 8px;
}

.kot-radio {
  align-items: center;
  background: #fff;
  border: 1px solid var(--kot-line);
  border-radius: 9px;
  cursor: pointer;
  display: flex !important;
  gap: 10px;
  margin: 8px 0 !important;
  padding: 11px;
}

.kot-radio input {
  height: 18px;
  margin: 0;
  min-height: 0;
  width: 18px;
}

.kot-radio span,
.kot-radio b,
.kot-radio small {
  display: block;
}

.kot-radio small {
  color: var(--kot-muted);
  font-weight: 500;
}

.kot-role-explain {
  display: grid;
  gap: 10px;
  margin-top: 25px;
}

.kot-role-explain div {
  border-left: 3px solid var(--kot-primary);
  padding-left: 13px;
}

.kot-role-explain b,
.kot-role-explain span {
  display: block;
}

.kot-role-explain span {
  color: var(--kot-muted);
  font-size: 13px;
}

.kot-resume {
  grid-column: 2;
  margin-top: -45px;
}

.kot-room-header {
  align-items: center;
  background: var(--kot-primary-dark);
  color: #fff;
  display: flex;
  gap: 30px;
  justify-content: space-between;
  padding: 34px 42px;
}

.kot-room-header h1 {
  font-size: clamp(26px, 3.5vw, 42px);
  margin: 7px 0;
}

.kot-room-header p {
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

.kot-role-badge {
  color: #bfe0d8;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.kot-code-box {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 14px;
  flex: 0 0 175px;
  padding: 12px 16px;
  text-align: center;
}

.kot-code-box small,
.kot-code-box strong,
.kot-code-box button {
  display: block;
  width: 100%;
}

.kot-code-box small {
  color: rgba(255, 255, 255, 0.64);
  font-size: 9px;
  letter-spacing: 0.14em;
}

.kot-code-box strong {
  font-size: 27px;
  letter-spacing: 0.12em;
}

.kot-code-box button {
  background: transparent;
  border: 0;
  color: #bfe0d8;
  cursor: pointer;
  font-size: 11px;
  padding: 3px;
}

.kot-team {
  align-items: center;
  background: var(--kot-soft);
  border-bottom: 1px solid var(--kot-line);
  display: flex;
  flex-wrap: wrap;
  gap: 19px;
  padding: 10px 42px;
}

.kot-team span {
  color: var(--kot-muted);
  font-size: 12px;
}

.kot-status {
  border-radius: 20px;
  font-size: 10px;
  margin-left: auto;
  padding: 4px 10px;
  text-transform: uppercase;
}

.kot-status-waiting { background: #fff2d9; color: #83510e; }
.kot-status-running { background: #dcefe9; color: #176348; }
.kot-status-completed { background: #dfe7f5; color: #375b93; }

.kot-timing {
  border-bottom: 1px solid var(--kot-line);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 0 42px;
}

.kot-timing > div {
  border-right: 1px solid var(--kot-line);
  padding: 12px 18px;
}

.kot-timing > div:first-child { padding-left: 0; }
.kot-timing > div:last-child { border-right: 0; }
.kot-timing small,
.kot-timing strong { display: block; }
.kot-timing small { color: var(--kot-muted); font-size: 10px; text-transform: uppercase; }
.kot-timing strong { font-variant-numeric: tabular-nums; font-size: 19px; }
.kot-timing strong em { color: var(--kot-danger); font-size: 11px; font-style: normal; }
.kot-clock-step.is-over { color: var(--kot-danger); }

.kot-progress { background: #e8eeec; height: 5px; }
.kot-progress span { background: var(--kot-primary); display: block; height: 100%; transition: width 0.3s; }

.kot-waiting {
  padding: 65px 30px 85px;
  text-align: center;
}

.kot-wait-icon {
  align-items: center;
  background: var(--kot-soft);
  border-radius: 50%;
  color: var(--kot-primary);
  display: inline-flex;
  font-size: 28px;
  height: 72px;
  justify-content: center;
  width: 72px;
}

.kot-waiting h2 { font-size: 30px; margin: 14px 0 4px; }
.kot-waiting > p { color: var(--kot-muted); }

.kot-presence {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, 1fr);
  margin: 30px auto;
  max-width: 660px;
}

.kot-presence div {
  background: var(--kot-soft);
  border: 1px dashed #bbc9c5;
  border-radius: 11px;
  color: var(--kot-muted);
  padding: 13px;
}

.kot-presence div.is-ready {
  background: #e8f5f0;
  border-style: solid;
  color: var(--kot-success);
}

.kot-presence small { color: var(--kot-muted); }
.kot-muted { color: var(--kot-muted); font-size: 13px; }

.kot-work-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
}

.kot-work-main {
  border-right: 1px solid var(--kot-line);
  padding: 32px 40px;
}

.kot-work-side {
  background: #fbfcfc;
  padding: 32px 26px;
}

.kot-active-step-head {
  align-items: center;
  display: grid;
  gap: 15px;
  grid-template-columns: auto 1fr auto;
  margin-bottom: 22px;
}

.kot-active-step-head h2 {
  font-size: 28px;
  line-height: 1.15;
  margin: 3px 0;
}

.kot-active-step-head p { color: var(--kot-muted); margin: 0; }
.kot-step-count { color: #9baba7; font-size: 12px; font-weight: 800; }

.kot-task-panel {
  background: var(--kot-soft);
  border-radius: 13px;
  padding: 22px;
}

.kot-task-panel h3,
.kot-reference h3 {
  color: var(--kot-primary);
  font-size: 11px;
  letter-spacing: 0.11em;
  margin: 0 0 5px;
  text-transform: uppercase;
}

.kot-task-panel p { margin: 0 0 18px; }
.kot-task-panel p:last-child { margin-bottom: 0; }

.kot-nav-actions,
.kot-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
  margin-top: 20px;
}

.kot-mini-plan > div { grid-template-columns: 90px 1fr; }
.kot-safety-line { border-top: 1px solid var(--kot-line); color: var(--kot-muted); font-size: 12px; margin-top: 20px; padding-top: 18px; }
.kot-safety-line b { color: var(--kot-danger); margin-right: 5px; }

.kot-reminder-live {
  background: #fff6dd;
  border: 1px solid #efd492;
  border-radius: 12px;
  margin-bottom: 18px;
  padding: 15px 17px;
}

.kot-reminder-live b { color: #82500f; font-size: 12px; }
.kot-reminder-live p { margin: 5px 0; }
.kot-reminder-live small { color: #8b7655; }

.kot-record-form,
.kot-submit-panel,
.kot-teacher-rubric,
.kot-provisional {
  border-top: 1px solid var(--kot-line);
  grid-column: 1 / -1;
  padding: 34px 40px;
}

.kot-save-state {
  background: var(--kot-soft);
  border-radius: 30px;
  color: var(--kot-muted);
  font-size: 11px;
  padding: 6px 10px;
}

.kot-record-fields {
  display: grid;
  gap: 13px;
  grid-template-columns: 1fr 1fr;
}

.kot-record-fields label {
  background: var(--kot-soft);
  border-radius: 10px;
  display: block;
  padding: 13px;
}

.kot-record-fields label:nth-child(2),
.kot-record-fields label:nth-child(5) { grid-column: span 2; }

.kot-record-fields label > span b,
.kot-record-fields label > span { display: block; }
.kot-record-fields label > span { color: var(--kot-muted); font-size: 11px; }
.kot-record-fields label > span b { color: var(--kot-ink); font-size: 13px; }
.kot-record-fields input,
.kot-record-fields textarea { margin-bottom: 0; resize: vertical; }

.kot-reference {
  border-left: 3px solid var(--kot-primary);
  margin: 21px 0;
  padding-left: 18px;
}

.kot-reference h3:not(:first-child) { margin-top: 18px; }
.kot-reference li { color: var(--kot-muted); font-size: 13px; margin: 5px 0; }
.kot-check-title { font-size: 18px; margin: 25px 0 12px; }

.kot-checklist {
  border: 1px solid var(--kot-line);
  border-radius: 12px;
  overflow: hidden;
}

.kot-check-item {
  align-items: center;
  border-bottom: 1px solid var(--kot-line);
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr auto;
  padding: 15px;
}

.kot-check-item:last-child { border-bottom: 0; }
.kot-check-item.is-critical { border-left: 4px solid #cf7433; padding-left: 11px; }
.kot-check-item p { font-size: 13px; margin: 3px 0; }
.kot-check-item small { color: var(--kot-muted); font-size: 10px; }

.kot-segments {
  background: var(--kot-soft);
  border-radius: 8px;
  display: flex;
  padding: 3px;
}

.kot-segments button {
  background: transparent;
  border: 0;
  border-radius: 6px;
  color: var(--kot-muted);
  cursor: pointer;
  font-size: 10px;
  padding: 7px 9px;
}

.kot-segments button.is-done { background: var(--kot-success); color: #fff; }
.kot-segments button.is-partial { background: #d99029; color: #fff; }
.kot-segments button.is-missed { background: var(--kot-danger); color: #fff; }

.kot-reminder-panel > p { color: var(--kot-muted); font-size: 12px; }
.kot-penalty { align-items: center; border-bottom: 1px solid var(--kot-line); border-top: 1px solid var(--kot-line); display: flex; gap: 12px; margin: 16px 0; padding: 14px 0; }
.kot-penalty strong { color: var(--kot-warn); font-size: 30px; }
.kot-penalty span { color: var(--kot-muted); font-size: 11px; }

.kot-hint-btn {
  background: #fff9e9;
  border: 1px solid #edd59f;
  border-radius: 9px;
  color: #5d4b22;
  cursor: pointer;
  display: block;
  font-size: 11px;
  margin: 8px 0;
  padding: 10px;
  text-align: left;
  width: 100%;
}

.kot-hint-btn:hover { border-color: #c99027; }
.kot-hint-btn span { color: var(--kot-warn); display: block; font-size: 9px; font-weight: 850; text-transform: uppercase; }

.kot-reminder-history { margin: 0; max-height: 200px; overflow: auto; padding-left: 19px; }
.kot-reminder-history li { color: var(--kot-muted); font-size: 11px; margin: 8px 0; }
.kot-reminder-history span,
.kot-reminder-history small { display: block; }

.kot-submit-panel { align-items: end; display: grid; gap: 20px; grid-template-columns: 1fr auto; }
.kot-submit-panel label { margin: 0; }

.kot-teacher-controls { display: grid; gap: 8px; grid-template-columns: auto 1fr auto; margin-bottom: 24px; }
.kot-teacher-controls select { margin: 0; min-height: 43px; }

.kot-teacher-checks { border: 1px solid var(--kot-line); border-radius: 10px; overflow: hidden; }
.kot-teacher-checks > div { border-bottom: 1px solid var(--kot-line); display: grid; gap: 10px; grid-template-columns: 130px 1fr 95px; padding: 10px 13px; }
.kot-teacher-checks > div:last-child { border: 0; }
.kot-teacher-checks > div.is-critical { border-left: 4px solid #cf7433; padding-left: 9px; }
.kot-teacher-checks span { color: var(--kot-primary); font-size: 10px; font-weight: 800; }
.kot-teacher-checks p { font-size: 12px; margin: 0; }
.kot-teacher-checks b { color: var(--kot-muted); font-size: 10px; text-align: right; }

.kot-submission-status { list-style: none; margin: 0 0 24px; padding: 0; }
.kot-submission-status li { border-bottom: 1px solid var(--kot-line); color: var(--kot-muted); font-size: 12px; padding: 8px 0; }
.kot-submission-status li::before { content: '○'; margin-right: 7px; }
.kot-submission-status li.is-done { color: var(--kot-success); font-weight: 700; }
.kot-submission-status li.is-done::before { content: '✓'; }

.kot-score-mini > div { border-top: 1px solid var(--kot-line); display: flex; justify-content: space-between; padding: 8px 0; }
.kot-score-mini dt { color: var(--kot-muted); font-size: 11px; }
.kot-score-mini dd { font-size: 14px; font-weight: 800; margin: 0; }

.kot-rubric-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr 1fr;
}

.kot-rubric-grid label {
  align-items: center;
  background: var(--kot-soft);
  border-radius: 10px;
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr 85px;
  padding: 13px;
}

.kot-rubric-grid b,
.kot-rubric-grid small { display: block; }
.kot-rubric-grid b { font-size: 13px; }
.kot-rubric-grid small { color: var(--kot-muted); font-size: 10px; margin-top: 3px; }
.kot-rubric-grid select { margin: 0; min-height: 40px; }

.kot-critical-toggle {
  align-items: center;
  border: 1px solid #e4b4b4;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  gap: 12px;
  margin: 17px 0;
  padding: 13px;
}

.kot-critical-toggle input { height: 20px; width: 20px; }
.kot-critical-toggle b,
.kot-critical-toggle small { display: block; }
.kot-critical-toggle b { color: var(--kot-danger); }
.kot-critical-toggle small { color: var(--kot-muted); font-size: 11px; }

.kot-provisional {
  align-items: center;
  background: var(--kot-soft);
  display: flex;
  gap: 20px;
}

.kot-provisional div { border-right: 1px solid var(--kot-line); padding-right: 20px; }
.kot-provisional span,
.kot-provisional strong { display: block; }
.kot-provisional span { color: var(--kot-muted); font-size: 10px; text-transform: uppercase; }
.kot-provisional strong { color: var(--kot-primary); font-size: 30px; }
.kot-provisional p { margin: 0; }
.kot-provisional small { color: var(--kot-muted); }

.kot-result { padding: 42px; }
.kot-result-hero { align-items: center; background: var(--kot-primary-dark); border-radius: 18px; color: #fff; display: flex; gap: 30px; padding: 28px; }
.kot-result-hero.is-retry { background: #653434; }
.kot-result-hero h2 { font-size: 32px; margin: 4px 0; }
.kot-result-hero p { color: rgba(255,255,255,.7); margin: 0 0 14px; }

.kot-score-ring {
  background: conic-gradient(#95d6c5 var(--score), rgba(255,255,255,.15) 0);
  border-radius: 50%;
  display: grid;
  flex: 0 0 126px;
  height: 126px;
  place-items: center;
  position: relative;
}

.kot-score-ring::before { background: var(--kot-primary-dark); border-radius: 50%; content: ''; inset: 9px; position: absolute; }
.kot-result-hero.is-retry .kot-score-ring::before { background: #653434; }
.kot-score-ring span { position: relative; text-align: center; }
.kot-score-ring strong,
.kot-score-ring small { display: block; }
.kot-score-ring strong { font-size: 34px; line-height: 1; }
.kot-score-ring small { color: rgba(255,255,255,.65); }

.kot-result-metrics { display: grid; grid-template-columns: repeat(4,1fr); margin: 22px 0; }
.kot-result-metrics > div { border-right: 1px solid var(--kot-line); padding: 13px 20px; }
.kot-result-metrics > div:first-child { padding-left: 0; }
.kot-result-metrics > div:last-child { border: 0; }
.kot-result-metrics span,
.kot-result-metrics strong { display: block; }
.kot-result-metrics span { color: var(--kot-muted); font-size: 11px; }
.kot-result-metrics strong { font-size: 23px; }

.kot-result-grid,
.kot-comments { display: grid; gap: 20px; grid-template-columns: 1fr 1fr; }
.kot-result-grid > article,
.kot-comments > article,
.kot-final-record,
.kot-critical-result { border: 1px solid var(--kot-line); border-radius: 13px; padding: 20px; }
.kot-result h3 { font-size: 16px; margin: 0 0 16px; }

.kot-score-bar { align-items: center; display: grid; gap: 10px; grid-template-columns: 135px 1fr 38px; margin: 9px 0; }
.kot-score-bar > span { font-size: 11px; }
.kot-score-bar > div { background: var(--kot-soft); border-radius: 20px; height: 7px; overflow: hidden; }
.kot-score-bar i { background: var(--kot-primary); display: block; height: 100%; }
.kot-score-bar b { font-size: 11px; text-align: right; }

.kot-final-checks { list-style: none; margin: 0; padding: 0; }
.kot-final-checks li { border-bottom: 1px solid var(--kot-line); color: var(--kot-muted); font-size: 12px; padding: 8px 0; }
.kot-final-checks li::before { content: '○'; margin-right: 8px; }
.kot-final-checks li.is-done { color: var(--kot-success); }
.kot-final-checks li.is-done::before { content: '✓'; }
.kot-final-checks li.is-fail { color: var(--kot-danger); }
.kot-final-checks li.is-fail::before { content: '×'; }

.kot-critical-result { border-color: #e4b4b4; margin-top: 20px; }
.kot-critical-result h3 { color: var(--kot-danger); }
.kot-critical-result li { margin: 7px 0; }
.kot-critical-result li b,
.kot-critical-result li span { display: block; }
.kot-critical-result li span { color: var(--kot-muted); font-size: 12px; }

.kot-final-record { margin-top: 20px; }
.kot-final-record > div { border-top: 1px solid var(--kot-line); display: grid; gap: 15px; grid-template-columns: 150px 1fr; padding: 10px 0; }
.kot-final-record b { color: var(--kot-primary); font-size: 12px; }
.kot-final-record p { margin: 0; }
.kot-comments { margin-top: 20px; }
.kot-comments p { color: var(--kot-muted); margin: 0; }

.kot-alert {
  align-items: center;
  border-bottom: 1px solid;
  display: flex;
  justify-content: space-between;
  padding: 11px 30px;
}

.kot-alert-error { background: #fff0f0; border-color: #e6b9b9; color: #8f2929; }
.kot-alert-success { background: #eaf7f1; border-color: #b9ded0; color: #216548; }
.kot-alert button { background: transparent; border: 0; color: inherit; cursor: pointer; font-size: 20px; }

.kot-footer {
  background: var(--kot-soft);
  color: var(--kot-muted);
  font-size: 11px;
  padding: 14px 30px;
  text-align: center;
}

.kot-loading {
  align-items: center;
  color: #52645f;
  display: flex;
  gap: 10px;
  justify-content: center;
  min-height: 280px;
}

.kot-spinner {
  animation: kot-spin 0.8s linear infinite;
  border: 3px solid #dbe6e3;
  border-radius: 50%;
  border-top-color: var(--kot-primary);
  display: inline-block;
  height: 22px;
  width: 22px;
}

@keyframes kot-spin { to { transform: rotate(360deg); } }

@media (max-width: 900px) {
  .kot-case-grid { grid-template-columns: 1fr 1fr; }
  .kot-form-layout { gap: 35px; padding: 45px 35px; }
  .kot-work-grid { grid-template-columns: 1fr; }
  .kot-work-main { border-right: 0; }
  .kot-work-side { border-top: 1px solid var(--kot-line); }
  .kot-record-form,
  .kot-submit-panel,
  .kot-teacher-rubric,
  .kot-provisional { grid-column: 1; }
}

@media (max-width: 680px) {
  .kot-app { margin: 0; }
  .kot-shell { border-radius: 0; }
  .kot-topbar,
  .kot-team { padding-left: 18px; padding-right: 18px; }
  .kot-brand div > span { display: none; }
  .kot-nav { padding: 7px 10px; }
  .kot-nav button { font-size: 12px; padding: 9px 5px; }
  .kot-nav button span { display: none; }
  .kot-hero { align-items: flex-start; flex-direction: column; padding: 40px 24px; }
  .kot-hero-stat { border-left: 0; border-top: 1px solid rgba(255,255,255,.25); flex-basis: auto; padding: 18px 0 0; width: 100%; }
  .kot-section { padding: 32px 20px; }
  .kot-section-head { flex-direction: column; }
  .kot-case-grid,
  .kot-two-col,
  .kot-guide-grid,
  .kot-form-layout,
  .kot-record-fields,
  .kot-rubric-grid,
  .kot-result-grid,
  .kot-comments { grid-template-columns: 1fr; }
  .kot-time-total { text-align: left; }
  .kot-step-body { padding: 18px; }
  .kot-scenario { gap: 5px; grid-template-columns: 1fr; }
  .kot-check-preview li { align-items: start; grid-template-columns: 1fr; }
  .kot-form-layout { min-height: 0; padding: 35px 20px; }
  .kot-resume { grid-column: 1; margin-top: -20px; }
  .kot-room-header { align-items: flex-start; flex-direction: column; padding: 28px 20px; }
  .kot-code-box { flex-basis: auto; width: 100%; }
  .kot-status { margin-left: 0; }
  .kot-timing { grid-template-columns: 1fr 1fr; padding: 0 18px; }
  .kot-timing > div:nth-child(2) { border-right: 0; }
  .kot-timing > div:nth-child(3), .kot-timing > div:nth-child(4) { border-top: 1px solid var(--kot-line); }
  .kot-work-main,
  .kot-work-side,
  .kot-record-form,
  .kot-submit-panel,
  .kot-teacher-rubric,
  .kot-provisional { padding: 25px 18px; }
  .kot-record-fields label:nth-child(2),
  .kot-record-fields label:nth-child(5) { grid-column: 1; }
  .kot-check-item { align-items: stretch; grid-template-columns: 1fr; }
  .kot-segments button { flex: 1; }
  .kot-submit-panel { align-items: stretch; grid-template-columns: 1fr; }
  .kot-teacher-controls { grid-template-columns: 1fr 1fr; }
  .kot-teacher-controls select { grid-column: 1 / -1; grid-row: 1; }
  .kot-teacher-checks > div { grid-template-columns: 1fr; }
  .kot-teacher-checks b { text-align: left; }
  .kot-provisional { align-items: flex-start; }
  .kot-presence { grid-template-columns: 1fr; }
  .kot-result { padding: 25px 18px; }
  .kot-result-hero { align-items: flex-start; flex-direction: column; }
  .kot-result-metrics { grid-template-columns: 1fr 1fr; }
  .kot-result-metrics > div { border-bottom: 1px solid var(--kot-line); }
  .kot-score-bar { grid-template-columns: 115px 1fr 35px; }
  .kot-final-record > div { grid-template-columns: 1fr; }
}

@media print {
  body * { visibility: hidden !important; }
  .kot-app,
  .kot-app * { visibility: visible !important; }
  .kot-app { left: 0; margin: 0; max-width: none; position: absolute; top: 0; width: 100%; }
  .kot-shell { border: 0; box-shadow: none; }
  .kot-topbar,
  .kot-nav,
  .kot-btn,
  .kot-footer,
  .kot-alert { display: none !important; }
  .kot-section { break-inside: avoid; }
  .kot-step-study { break-inside: avoid; }
  .kot-step-study > .kot-step-body { display: block !important; }
}