#study-dialog.booklet-mode { width: min(1180px,calc(100% - 24px)); height: calc(100dvh - 24px); border-radius: 18px; }
.booklet-mode .study-header { padding: 10px 22px; }
.booklet-mode .study-header h2 { font-size: 14px; }
.booklet-mode #study-content { background: #edf1f6; flex: 1; padding: 18px; }
.booklet-toolbar { display: flex; align-items: center; gap: 18px; margin-bottom: 16px; font-family: Inter,sans-serif; }
.booklet-toolbar strong { font-size: 16px; }.booklet-toolbar p { font-size: 12px; color: #64748b; margin-top: 3px; }
.booklet-clock { margin-left: auto; font-variant-numeric: tabular-nums; padding: 10px 16px; background: white; border: 1px solid #dbe2eb; border-radius: 10px; white-space: nowrap; }
.booklet-clock.is-low { color: #be123c; background: #fff1f2; }
.booklet-mobile-shortcut { display: none; }
.booklet-layout { display: grid; grid-template-columns: minmax(0,1fr) 242px; gap: 18px; align-items: start; }
.booklet-paper { padding: 28px; background: white; color: #17233e; border: 1px solid #dbe2eb; box-shadow: 0 3px 15px #0f172a09; font-family: 'Times New Roman',serif; }
.booklet-paper-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; border: 1px solid #829ac3; padding: 12px; font: 700 12px Inter,sans-serif; }
.booklet-paper-heading > strong { color: #244b90; text-align: center; }
.booklet-instruction { font: 11px/1.7 Inter,sans-serif; padding: 12px; border: 1px solid #829ac3; border-top: 0; margin-bottom: 26px; }
.booklet-question-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 0; }
.booklet-question { min-width: 0; padding: 0 20px 20px 0; border-right: 1px solid #dbe2eb; }
.booklet-question:nth-child(2n) { padding: 0 0 20px 20px; border-right: 0; }
.booklet-question-label { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 12px; font-size: 17px; }
.booklet-flag { font: 600 10px Inter,sans-serif; padding: 4px 7px; min-height: 28px; }
.booklet-text,.booklet-stem { font-size: 17px; line-height: 1.55; margin: 12px 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.booklet-stem { font-weight: 700; }
.booklet-image { max-width: 100%; max-height: 190px; object-fit: contain; }
.booklet-options { display: grid; gap: 5px; margin-top: 16px; }
.booklet-options .study-button { border: 1px solid transparent; border-radius: 7px; background: transparent; color: #17233e; text-align: left; min-height: 36px; padding: 6px 8px; font: 16px/1.4 'Times New Roman',serif; white-space: pre-wrap; }
.booklet-options .study-button:hover { background: #f4f6fb; }
.booklet-options .study-button[aria-pressed="true"] { background: #eef2ff; border-color: #6366f1; color: #3730a3; }
.booklet-paper-footer { display: flex; justify-content: space-between; border-top: 1px solid #829ac3; margin-top: 22px; padding-top: 12px; font: 700 10px Inter,sans-serif; }
.booklet-answer-sheet { background: white; border: 1px solid #dbe2eb; border-radius: 14px; padding: 16px 12px; color: #17233e; position: sticky; top: 0; max-height: calc(100dvh - 250px); overflow-y: auto; }
.booklet-answer-sheet summary { cursor: pointer; font-size: 13px; font-weight: 800; }
.booklet-answer-sheet h3 { font-size: 11px; font-weight: 800; text-transform: uppercase; margin: 18px 0 8px; }
.booklet-sheet-note { font: 11px/1.7 Inter,sans-serif; color: #64748b; margin: 8px 0; }
.booklet-answer-row { display: grid; grid-template-columns: 30px repeat(5,1fr); gap: 5px; margin: 6px 0; }
.booklet-answer-row .study-button { padding: 0; height: 30px; min-height: 30px; border-radius: 50%; font-size: 11px; background: white; color: #475569; }
.booklet-answer-row .study-button[aria-pressed="true"] { background: #4f46e5; color: white; border-color: #4f46e5; }
.booklet-answer-row .booklet-index { border: 0; border-radius: 7px; background: #f1f5f9; }
.booklet-index[aria-current="step"] { outline: 2px solid #818cf8; }
.booklet-answer-row .is-flagged { background: #fef3c7; color: #92400e; }
.booklet-controls { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.booklet-net { display: flex; justify-content: space-between; align-items: center; background: #eef2ff; color: #3730a3; padding: 15px 20px; border-radius: 12px; font-size: 15px; }.booklet-net strong { font-size: 26px; }
#practice-builder,#student-membership-dialog { width: min(620px,calc(100% - 24px)); max-height: calc(100dvh - 24px); overflow-y: auto; padding: 26px; border-radius: 22px; background: white; color: #17233e; border: 1px solid #e2e8f0; box-shadow: 0 20px 80px #0f172a40; }
#practice-builder::backdrop,#student-membership-dialog::backdrop { background: #0f172a99; backdrop-filter: blur(4px); }
.practice-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }.practice-heading h2 { font-size: 24px; font-weight: 800; }.practice-heading button { width: 40px; height: 40px; background: #f1f5f9; border-radius: 12px; font-size: 24px; }
.practice-tabs { display: flex; padding: 4px; background: #f1f5f9; border-radius: 12px; margin: 20px 0; }.practice-tabs button { flex: 1; padding: 10px; font-size: 13px; font-weight: 750; border-radius: 9px; }.practice-tabs button[aria-pressed="true"] { background: white; color: #4338ca; box-shadow: 0 2px 6px #0f172a12; }
.practice-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 16px 0; }.practice-fields label { display: grid; gap: 7px; font-size: 12px; font-weight: 700; }.practice-fields select { width: 100%; background: #f8fafc; padding: 12px; border: 1px solid #dbe2eb; border-radius: 10px; font-size: 13px; }
.practice-radio { display: flex; gap: 12px; border: 1px solid #dbe2eb; border-radius: 14px; padding: 16px; margin: 12px 0; cursor: pointer; }.practice-radio input { margin-top: 4px; accent-color: #4f46e5; }.practice-radio strong { font-size: 14px; }.practice-radio span { display: block; font-size: 12px; color: #64748b; margin-top: 5px; line-height: 1.7; }
#practice-availability { padding: 15px; background: #eef2ff; color: #4338ca; border-radius: 12px; font-size: 12px; line-height: 1.8; margin: 18px 0; }
#practice-create { width: 100%; justify-content: center; }#practice-create:disabled { background: #94a3b8; cursor: not-allowed; }
#practice-create-error { color: #be123c; font-size: 13px; margin-top: 12px; }
.student-builders { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 25px 0; }.student-builder { background: white; border: 1px solid #dbe2eb; border-radius: 22px; padding: 28px; display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }.student-builder.featured { background: linear-gradient(135deg,#eef2ff,white); border-color: #c7d2fe; }.student-builder h2 { font-size: 23px; font-weight: 800; }.student-builder p { font-size: 13px; line-height: 1.8; color: #64748b; }.student-builder .audience-cta { margin-top: auto; }.student-builder .builder-meta { font-size: 11px; color: #6366f1; font-weight: 700; }
.teacher-workspace { padding: 22px 0; }.teacher-workspace h1 { font-size: clamp(28px,4vw,40px); font-weight: 800; letter-spacing: -.035em; line-height: 1.2; }.teacher-workspace p { color: #64748b; font-size: 14px; line-height: 1.8; margin-top: 12px; }.teacher-topic-form { display: flex; gap: 10px; margin-top: 22px; max-width: 700px; }.teacher-topic-form input { flex: 1; min-width: 0; background: white; border: 1px solid #dbe2eb; border-radius: 12px; padding: 14px; font-size: 14px; }.teacher-tools { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 26px; }.teacher-tools button { text-align: left; background: white; border: 1px solid #dbe2eb; border-radius: 18px; padding: 22px; }.teacher-tools strong { display: block; font-size: 16px; margin: 10px 0; }.teacher-tools span { color: #64748b; font-size: 12px; line-height: 1.7; display: block; }.teacher-tools i { color: #6366f1; font-size: 22px; }.teacher-tools button:hover { border-color: #818cf8; }
.teacher-usage { border: 1px solid #dbe2eb; border-radius: 18px; padding: 18px; margin: 26px 0; }.teacher-usage > summary { font-size: 14px; font-weight: 750; cursor: pointer; }.teacher-usage > div { margin-top: 20px; }
#teacher-dashboard #hero-section,#teacher-dashboard #welcome-section,#teacher-dashboard #study-dashboard,#teacher-dashboard [data-legacy-teacher-actions] { display: none !important; }
body[data-audience="teacher"] #guest-upsell { display: none !important; }
.dark .booklet-mode #study-content { background: #141d2f; }.dark .booklet-toolbar { color: #e2e8f0; }.dark .booklet-clock { background: #1e293b; border-color: #334155; }.dark .booklet-toolbar p,.dark .booklet-controls + p { color: #94a3b8; }
.dark #practice-builder,.dark #student-membership-dialog { background: #1e293b; color: #e2e8f0; border-color: #334155; }.dark .practice-fields select,.dark .practice-tabs,.dark .practice-heading button { background: #0f172a; color: #e2e8f0; border-color: #334155; }.dark .practice-tabs button[aria-pressed="true"] { background: #334155; color: #c7d2fe; }.dark .practice-radio { border-color: #334155; }.dark #practice-availability { background: #312e81; color: #c7d2fe; }
.dark .student-builder,.dark .teacher-tools button,.dark .teacher-topic-form input { background: #1e293b; color: #e2e8f0; border-color: #334155; }.dark .student-builder.featured { background: linear-gradient(135deg,#252b51,#1e293b); border-color: #454c83; }.dark .teacher-workspace h1,.dark .teacher-usage { color: #e2e8f0; }.dark .teacher-usage { border-color: #334155; }
@media(max-width:800px){ .booklet-layout { grid-template-columns: 1fr; }.booklet-answer-sheet { position: static; max-height: 300px; }.booklet-toolbar { flex-wrap: wrap; gap: 10px; }.booklet-toolbar > div { flex: 1 1 100%; }.booklet-clock { margin-left: 0; }.booklet-toolbar > .study-button { margin-left: auto; }.booklet-paper { padding: 20px; }.teacher-tools { grid-template-columns: repeat(2,1fr); } }
@media(max-width:560px){ #study-dialog.booklet-mode { width: calc(100% - 8px); height: calc(100dvh - 8px); max-height: calc(100dvh - 8px); border-radius: 12px; }.booklet-mode #study-content { padding: 10px; }.booklet-question-grid { grid-template-columns: 1fr; gap: 20px; }.booklet-question,.booklet-question:nth-child(2n) { padding: 0 0 18px; border-right: 0; border-bottom: 1px solid #e2e8f0; }.booklet-paper { padding: 16px; }.booklet-paper-heading { font-size: 9px; gap: 6px; }.booklet-text,.booklet-stem { font-size: 18px; }.booklet-controls .study-button { flex: 1 1 140px; }.student-builders { grid-template-columns: 1fr; gap: 14px; }.student-builder { padding: 23px; }.teacher-tools { grid-template-columns: 1fr 1fr; gap: 10px; }.teacher-tools button { padding: 16px; }.teacher-tools strong { font-size: 14px; }.teacher-topic-form { flex-direction: column; }.teacher-topic-form .audience-cta { justify-content: center; }.practice-fields { grid-template-columns: 1fr; } }
@media(max-width:560px){ .student-builder { position: relative; padding: 20px; }.student-builder .audience-icon { position: absolute; right: 18px; top: 18px; width: 32px; height: 32px; font-size: 16px; }.student-builder h2 { margin-top: 0; padding-right: 30px; font-size: 21px; }.student-builder p { margin: 10px 0; }.student-builder .audience-cta { margin-top: 14px; } }
@media(max-width:800px){ .booklet-mobile-shortcut { display: inline-flex; font-size: 11px; padding: 10px; }.booklet-answer-sheet { scroll-margin-top: 130px; }.booklet-toolbar { position: sticky; top: -10px; z-index: 2; padding: 10px 0; background: #edf1f6; }.dark .booklet-toolbar { background: #141d2f; }.booklet-toolbar > .study-button { padding: 10px; font-size: 11px; margin-left: 0; } }
@media(max-width:560px){ #study-dialog.booklet-mode { max-width: calc(100% - 8px); }.booklet-toolbar > div { display: none; }.booklet-toolbar { gap: 8px; }.booklet-clock { padding: 10px; }.booklet-mode .study-header { padding: 8px 12px; } }