.workspace-page { min-height: 100vh; background: #f2f1eb; }
.workspace-header { height: 68px; display: flex; align-items: center; justify-content: space-between; padding-inline: max(28px, calc((100vw - 1380px) / 2)); border-bottom: 1px solid #e7e5dd; background: var(--paper); }
.workspace-header .brand { font-size: 19px; }
.back-link { display: inline-flex; gap: 9px; align-items: center; color: #5f625b; font-size: 11px; font-weight: 600; }
.back-link:hover, .breadcrumb a:hover { color: var(--purple-dark); }
.workspace-shell { width: min(1380px, 100%); min-height: calc(100vh - 68px); display: grid; grid-template-columns: 286px minmax(0, 1fr); margin-inline: auto; }
.workspace-sidebar { position: sticky; top: 0; height: calc(100vh - 68px); display: flex; flex-direction: column; padding: 36px 18px 24px 24px; border-right: 1px solid #e5e3db; background: #f7f6f1; }
.sidebar-kicker, .panel-overline { color: #75776f; font-size: 9px; font-weight: 700; letter-spacing: 1.2px; }
.sidebar-title { margin: 11px 0 25px; font: 700 25px/1.18 var(--font-display); letter-spacing: -1px; }
.tool-nav { display: grid; gap: 6px; }
.tool-nav-button { min-width: 0; display: grid; grid-template-columns: 36px minmax(0, 1fr) 14px; gap: 10px; align-items: center; padding: 11px 9px; border: 1px solid transparent; border-radius: 8px; background: transparent; color: var(--ink); text-align: left; cursor: pointer; transition: background .18s ease, border-color .18s ease, transform .18s ease; }
.tool-nav-button:hover { transform: translateX(2px); background: #ffffffa8; }
.tool-nav-button.is-active { border-color: #e6e3dc; background: #fffefa; box-shadow: 0 3px 10px #28282208; }
.tool-nav-button > span:nth-child(2) { min-width: 0; display: grid; gap: 4px; }
.tool-nav-button strong { overflow: hidden; font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.tool-nav-button small { color: #696c68; font-size: 9px; }
.tool-icon { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 9px; font-size: 16px; }
.tool-icon-purple { background: #e9e0fb; color: #6549b6; }
.tool-icon-green { background: #dceddf; color: #437453; }
.tool-icon-yellow { background: #fbf0ce; color: #85620e; }
.tool-icon-peach { background: #f6e4d9; color: #945b3e; }
.tool-icon-blue { background: #dce9f5; color: #436a94; }
.nav-arrow { color: #777971; font-size: 12px; }
.privacy-note { display: flex; gap: 10px; align-items: flex-start; margin-top: auto; padding: 13px 11px; border: 1px solid #e5e2d8; border-radius: 8px; background: #f1efe7; }
.privacy-note > span { color: var(--purple-dark); font-size: 14px; }
.privacy-note p { margin: 0; color: #62645e; font-size: 9px; line-height: 1.7; }
.privacy-note strong { color: var(--ink); }
.workspace-content { width: min(100%, 1050px); min-width: 0; margin-inline: auto; padding: 27px clamp(24px, 5vw, 65px) 24px; }
.workspace-topline { display: flex; justify-content: space-between; align-items: center; gap: 18px; }
.breadcrumb { display: flex; gap: 9px; color: #73756e; font-size: 10px; }
.breadcrumb a { color: #454741; font-weight: 600; }
.subject-picker { display: flex; gap: 9px; align-items: center; color: #64665f; font-size: 10px; }
.subject-picker select { min-height: 34px; padding: 0 29px 0 10px; border: 1px solid #dfdcd4; border-radius: 6px; background: #fffefa; color: #292b28; font: 600 10px var(--font-body); cursor: pointer; }
.workspace-welcome { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 185px; padding-block: 29px 27px; }
.workspace-welcome .eyebrow { font-size: 8px; }
.workspace-welcome h1 { margin: 11px 0 7px; font-size: clamp(30px, 4vw, 43px); letter-spacing: -2.5px; }
.workspace-welcome h1 span { color: var(--purple-dark); }
.workspace-welcome p { max-width: 460px; margin: 0; color: #62645e; font-size: 11px; line-height: 1.65; }
.welcome-mark { position: relative; width: 75px; height: 75px; flex: 0 0 75px; display: grid; place-items: center; border: 1px solid #dcd8cd; border-radius: 50%; color: var(--purple-dark); font-size: 32px; }
.welcome-mark > i { position: absolute; top: 11px; right: 4px; width: 10px; height: 10px; border-radius: 50%; background: var(--yellow); }
.workspace-panel { padding: clamp(20px, 3.3vw, 34px); border: 1px solid #e3e0d8; border-radius: 11px; background: #fffefa; box-shadow: 0 9px 30px #25251e0a; }
.workspace-panel[hidden] { display: none; }
.panel-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; margin-bottom: 25px; }
.panel-overline { font-size: 8px; }
.panel-heading h2 { margin: 9px 0 7px; font-size: clamp(20px, 2.6vw, 26px); line-height: 1.23; letter-spacing: -1.15px; }
.panel-heading p { max-width: 540px; margin: 0; color: #63655f; font-size: 11px; line-height: 1.7; }
.panel-symbol { width: 42px; height: 42px; flex: 0 0 42px; display: grid; place-items: center; border-radius: 11px; background: #e9e0fb; color: var(--purple-dark); font-size: 20px; }
.writing-form { display: grid; }
.writing-form > label, .editor-label-row label { margin-bottom: 7px; font-size: 10px; font-weight: 700; }
.writing-form > input, .writing-form textarea, .tutor-form input { width: 100%; padding: 12px 13px; border: 1px solid #dedcd4; border-radius: 6px; background: #fffefa; color: var(--ink); font: 11px/1.7 var(--font-body); }
.writing-form > input { height: 43px; margin-bottom: 18px; }
.writing-form textarea { min-height: 175px; resize: vertical; }
.writing-form textarea:focus, .writing-form > input:focus, .tutor-form input:focus, .subject-picker select:focus { outline: 2px solid var(--purple-dark); outline-offset: 1px; }
.writing-form textarea::placeholder, .writing-form > input::placeholder, .tutor-form input::placeholder { color: #858780; }
.editor-label-row { display: flex; justify-content: space-between; align-items: center; }
.editor-label-row label { margin-bottom: 7px; }
.editor-label-row span { color: #666861; font-size: 9px; }
.writing-hint { display: flex; gap: 7px; align-items: center; margin-top: 8px; color: #696b64; font-size: 9px; }
.writing-hint > span { color: var(--purple-dark); }
.writing-actions { display: flex; align-items: center; gap: 13px; margin-top: 17px; }
.writing-actions .button, .feedback-actions .button { min-height: 44px; font-size: 11px; }
.writing-actions > span { color: #696b64; font-size: 9px; }
.feedback-panel { margin-top: 28px; padding-top: 24px; border-top: 1px solid #e9e7e0; }
.feedback-panel[hidden], .generated-material[hidden] { display: none; }
.feedback-header { display: flex; justify-content: space-between; align-items: center; gap: 14px; }
.feedback-header h3, .generated-material > h3 { margin: 7px 0 0; font: 700 19px var(--font-display); letter-spacing: -.6px; }
.feedback-badge { display: flex; gap: 6px; align-items: center; padding: 7px 9px; border-radius: 20px; background: #f1ecfa; color: #59428f; font-size: 8px; font-weight: 700; white-space: nowrap; }
.feedback-intro { margin: 12px 0 16px; color: #555750; font-size: 10px; line-height: 1.7; }
.feedback-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.feedback-item { padding: 12px; border: 1px solid #eae8e1; border-radius: 7px; background: #fcfbf7; }
.feedback-item-header { display: flex; justify-content: space-between; gap: 9px; align-items: center; }
.feedback-item-header strong { font-size: 10px; }
.feedback-level { padding: 4px 7px; border-radius: 10px; background: #f5efdb; color: #755a17; font-size: 8px; font-weight: 700; }
.feedback-level.level-good { background: #e8f3e9; color: #3f724c; }
.feedback-item p { margin: 7px 0 0; color: #5e6059; font-size: 9px; line-height: 1.65; }
.feedback-next { display: flex; gap: 11px; align-items: flex-start; margin-top: 12px; padding: 13px; border-radius: 8px; background: #f1efe8; }
.next-icon { width: 25px; height: 25px; flex: 0 0 25px; display: grid; place-items: center; border-radius: 7px; background: var(--yellow); font-size: 12px; }
.feedback-next strong { font-size: 10px; }
.feedback-next p { margin: 5px 0 0; color: #575952; font-size: 9px; line-height: 1.65; }
.example-rewrite { margin-top: 10px; padding: 12px 13px; border: 1px solid #e9e6dc; border-radius: 7px; }
.example-rewrite summary { font-size: 9px; font-weight: 700; cursor: pointer; }
.example-rewrite > p { margin: 10px 0 6px; color: #42443e; font-size: 10px; line-height: 1.7; }
.example-rewrite > small { color: #666861; font-size: 8px; }
.feedback-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 13px; margin-top: 14px; }
.subtle-button { min-height: 37px; padding: 0 10px; border: 0; border-radius: 6px; background: transparent; color: #575952; font-size: 10px; font-weight: 600; cursor: pointer; }
.subtle-button:hover { background: #f1efe8; }
.demo-disclaimer { margin: 14px 0 0; color: #65675f; font-size: 8px; line-height: 1.6; }
.generated-material { margin-top: 25px; padding-top: 22px; border-top: 1px solid #e9e7e0; }
.generated-material > h3 { margin: 8px 0 14px; }
.generated-summary, .generated-terms, .generated-question { padding: 13px; border: 1px solid #eae8e1; border-radius: 7px; background: #fcfbf7; }
.generated-summary > span, .generated-terms > span, .generated-question > span { color: #62645e; font-size: 8px; font-weight: 700; letter-spacing: .6px; }
.generated-summary p, .generated-question p { margin: 8px 0 0; color: #4f514b; font-size: 10px; line-height: 1.7; }
.generated-lower { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: 9px; }
.generated-terms ul { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 0; padding: 0; list-style: none; }
.generated-terms li { padding: 5px 8px; border-radius: 20px; background: #eee8fa; color: #59428f; font-size: 9px; }
.quiz-card { padding: 19px; border: 1px solid #e9e6dc; border-radius: 8px; background: #fcfbf7; }
.quiz-progress-line { display: flex; justify-content: space-between; align-items: center; color: #62645e; font-size: 8px; font-weight: 700; letter-spacing: .6px; }
.quiz-dots { display: flex; gap: 5px; }
.quiz-dots i { width: 7px; height: 7px; border-radius: 50%; background: #e4e1d8; }
.quiz-dots i.active { background: #8066bd; }
.quiz-card h3 { margin: 23px 0 15px; font-size: 18px; line-height: 1.4; letter-spacing: -.5px; }
.quiz-options { display: grid; gap: 8px; }
.quiz-option { display: flex; gap: 10px; align-items: center; min-height: 43px; padding: 8px 10px; border: 1px solid #e9e7df; border-radius: 6px; background: white; text-align: left; font-size: 10px; cursor: pointer; }
.quiz-option:hover:not(:disabled) { border-color: #bba8eb; }
.quiz-option > span { width: 21px; height: 21px; display: grid; place-items: center; border-radius: 5px; background: #efeee8; font-size: 9px; font-weight: 700; }
.quiz-option.is-correct { border-color: #91bc97; background: #f2f8f2; }
.quiz-option.is-wrong { border-color: #dfa59d; background: #fff6f3; }
.quiz-option:disabled { cursor: default; }
.quiz-feedback { min-height: 17px; margin: 8px 0; color: #437450; font-size: 9px; line-height: 1.6; }
.quiz-card > .button { min-height: 41px; font-size: 10px; }
.quiz-card > .button:disabled { background: #e6e4dc; color: #6a6b65; cursor: default; }
.flashcard-area { max-width: 495px; margin: auto; }
.flashcard { width: 100%; min-height: 255px; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 25px; border: 1px solid #e7e3d9; border-radius: 10px; background: linear-gradient(145deg, #f5f0ff, #fffefa 72%); text-align: center; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease; }
.flashcard:hover { transform: translateY(-2px); box-shadow: 0 10px 28px #28251f13; }
.flashcard-count { color: #63655f; font-size: 8px; font-weight: 700; letter-spacing: 1px; }
.flashcard-term { margin-top: 24px; font: 700 clamp(25px, 4vw, 34px) var(--font-display); letter-spacing: -1.5px; }
.flashcard-hint { margin-top: 14px; color: #666861; font-size: 9px; }
.flashcard-answer { max-width: 350px; margin-top: 12px; color: #50524c; font-size: 11px; line-height: 1.7; }
.flashcard-actions { display: flex; justify-content: space-between; align-items: center; margin-top: 12px; }
.flashcard-actions .button { min-height: 40px; font-size: 10px; }
.flashcard-note { min-height: 16px; margin: 10px 0 0; color: #4e7a56; text-align: center; font-size: 9px; }
.tutor-chat { display: grid; gap: 10px; min-height: 180px; max-height: 290px; overflow-y: auto; padding: 13px; border: 1px solid #e9e6dc; border-radius: 8px; background: #fcfbf7; }
.chat-message { max-width: 90%; display: flex; gap: 8px; align-items: flex-start; }
.user-message { justify-self: end; padding: 9px 11px; border-radius: 9px 9px 2px 9px; background: #eee8fa; }
.coach-message { padding: 9px 11px 9px 0; }
.chat-avatar { width: 25px; height: 25px; flex: 0 0 25px; display: grid; place-items: center; border-radius: 8px; background: var(--ink); color: white; font: 700 11px var(--font-display); }
.chat-message p { margin: 0; color: #52544e; font-size: 10px; line-height: 1.7; }
.tutor-form { display: flex; gap: 8px; margin-top: 11px; }
.tutor-form input { min-width: 0; height: 43px; }
.tutor-form .button { min-height: 43px; }
.tutor-prompts { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; margin-top: 11px; }
.tutor-prompts > span { color: #62645e; font-size: 8px; }
.prompt-chip { min-height: 27px; padding: 0 9px; border: 1px solid #e5e2d8; border-radius: 20px; background: #fffefa; color: #555750; font-size: 8px; cursor: pointer; }
.prompt-chip:hover { border-color: #bba8eb; }
.workspace-footer { display: flex; justify-content: space-between; gap: 15px; padding-top: 16px; color: #666861; font-size: 8px; }
.workspace-footer i { color: #8066bd; font-style: normal; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; clip-path: inset(50%); }

@media (max-width: 900px) {
  .workspace-shell { grid-template-columns: 225px minmax(0, 1fr); }
  .workspace-sidebar { padding-inline: 14px 10px; }
  .tool-nav-button { grid-template-columns: 32px minmax(0, 1fr) 10px; gap: 7px; padding-inline: 7px; }
  .tool-icon { width: 32px; height: 32px; }
  .workspace-content { padding-inline: 24px; }
  .workspace-welcome h1 { font-size: 34px; }
}
@media (max-width: 680px) {
  .workspace-header { height: 60px; padding-inline: 20px; }
  .workspace-shell { min-width: 0; min-height: calc(100vh - 60px); grid-template-columns: minmax(0, 1fr); }
  .workspace-sidebar { position: static; width: 100%; min-width: 0; height: auto; padding: 16px 18px 12px; border-right: 0; border-bottom: 1px solid #e5e3db; }
  .sidebar-kicker, .sidebar-title, .privacy-note { display: none; }
  .tool-nav { display: flex; gap: 7px; overflow-x: auto; padding: 1px 1px 5px; scrollbar-width: thin; }
  .tool-nav-button { min-width: 62px; min-height: 62px; display: flex; flex-direction: column; gap: 4px; justify-content: center; padding: 6px; }
  .tool-nav-button .tool-icon { width: 27px; height: 27px; flex: 0 0 27px; font-size: 13px; }
  .tool-nav-button > span:nth-child(2) { width: 100%; display: block; text-align: center; }
  .tool-nav-button strong { display: block; max-width: 98px; font-size: 8px; white-space: normal; }
  .tool-nav-button small, .nav-arrow { display: none; }
  .workspace-content { padding: 19px 16px 22px; }
  .workspace-welcome { min-height: 152px; padding-block: 22px; }
  .workspace-welcome h1 { font-size: clamp(27px, 7.8vw, 38px); letter-spacing: -1.8px; }
  .workspace-welcome p { max-width: 290px; font-size: 10px; }
  .welcome-mark { width: 54px; height: 54px; flex-basis: 54px; font-size: 23px; }
  .welcome-mark > i { top: 7px; right: 1px; width: 8px; height: 8px; }
  .workspace-panel { padding: 19px 15px; }
  .panel-heading { gap: 9px; margin-bottom: 19px; }
  .panel-heading h2 { font-size: 21px; }
  .panel-heading p { font-size: 10px; }
  .panel-symbol { width: 34px; height: 34px; flex-basis: 34px; font-size: 16px; }
  .feedback-grid, .generated-lower { grid-template-columns: 1fr; }
  .feedback-header { align-items: flex-start; }
  .feedback-header h3 { font-size: 16px; }
  .feedback-badge { font-size: 7px; }
  .subject-picker { gap: 5px; font-size: 9px; }
  .subject-picker select { min-height: 31px; font-size: 9px; }
}
@media (max-width: 370px) {
  .workspace-header { padding-inline: 14px; }
  .workspace-content { padding-inline: 11px; }
  .workspace-topline { gap: 7px; }
  .workspace-welcome .eyebrow { font-size: 7px; letter-spacing: 1px; }
  .welcome-mark { display: none; }
  .writing-actions { align-items: flex-start; flex-direction: column; }
}