:root{--study-primary:#5b35d5;--study-primary-soft:#f2efff;--study-border:#e5e8f0;--study-text:#1f2a44;--study-muted:#6f7890;--study-bg:#f6f8fc}
.phase7-page{width:min(1420px,calc(100% - 32px));margin:32px auto 60px;color:var(--study-text)}
.study-desk-page,.notebook-page,.simulation-page{font-family:inherit}
.study-desk-header{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:24px;padding:26px 28px;border:1px solid var(--study-border);border-radius:18px;background:linear-gradient(135deg,#fff 0%,#f7f4ff 100%);box-shadow:0 12px 35px rgba(31,42,68,.06)}
.study-eyebrow{text-transform:uppercase;letter-spacing:.1em;font-size:.75rem;font-weight:800;color:var(--study-primary)}
.study-desk-header h1{margin:6px 0 8px;font-size:2rem}.study-desk-header p{margin:0;color:var(--study-muted)}
.study-header-actions{display:flex;gap:10px;flex-wrap:wrap}.study-header-actions .btn{white-space:nowrap}
.study-week-toolbar{display:flex;align-items:center;justify-content:center;gap:26px;margin:0 auto 20px}.study-week-toolbar a{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--study-border);border-radius:50%;font-size:1.8rem;text-decoration:none;color:var(--study-primary);background:#fff}.study-week-toolbar div{text-align:center}.study-week-toolbar small{display:block;color:var(--study-muted);margin-top:2px}
.study-week-grid{display:grid;grid-template-columns:repeat(7,minmax(150px,1fr));gap:12px;overflow-x:auto;padding-bottom:12px}
.study-day-column{min-height:520px;border:1px solid var(--study-border);border-radius:16px;background:#fff;overflow:hidden}.study-day-column>header{padding:14px;text-align:center;border-bottom:1px solid var(--study-border);background:#fafbfe}.study-day-column>header span{font-size:.78rem;text-transform:uppercase;color:var(--study-muted);font-weight:700}.study-day-column>header strong{display:block;font-size:1.45rem}.study-day-column>header small{display:block;color:var(--study-primary);font-weight:700}.study-day-column.is-today{border-color:#bbaefd;box-shadow:0 0 0 2px rgba(91,53,213,.08)}.study-day-column.is-today>header{background:var(--study-primary-soft)}
.study-day-blocks{display:flex;flex-direction:column;gap:10px;padding:10px}.study-add-block{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-height:86px;border:1px dashed #b9c2d5;border-radius:12px;background:#fbfcff;color:#61708d}.study-add-block:hover{border-color:var(--study-primary);color:var(--study-primary);background:var(--study-primary-soft)}
.study-plan-card{position:relative;padding:12px;border:1px solid color-mix(in srgb,var(--plan-color) 35%,#e5e8f0);border-left:4px solid var(--plan-color);border-radius:12px;background:color-mix(in srgb,var(--plan-color) 6%,#fff)}.study-plan-card.is-completed{opacity:.66}.study-plan-card.is-completed strong{text-decoration:line-through}.study-plan-card__top{display:flex;justify-content:space-between;align-items:center;color:var(--study-muted);font-size:.8rem}.study-plan-card__top button{border:0;background:none;font-weight:800}.study-plan-card>strong,.study-plan-card>small{display:block}.study-plan-card>strong{margin:7px 0 3px}.study-plan-card>small{color:var(--study-muted)}.study-plan-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px;font-size:.72rem;color:var(--study-muted)}.plan-complete-button{width:100%;margin-top:9px;padding:6px;border:0;border-radius:8px;background:#fff;color:var(--study-primary);font-weight:700}
.study-plan-drawer{position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:0;transition:.2s}.study-plan-drawer.is-open{pointer-events:auto;opacity:1}.study-plan-drawer__backdrop{position:absolute;inset:0;background:rgba(20,25,40,.42)}.study-plan-drawer__panel{position:absolute;top:0;right:0;width:min(470px,100%);height:100%;overflow:auto;background:#fff;transform:translateX(100%);transition:.25s;box-shadow:-15px 0 40px rgba(0,0,0,.14)}.study-plan-drawer.is-open .study-plan-drawer__panel{transform:none}.study-plan-drawer__panel>header{display:flex;justify-content:space-between;align-items:center;padding:22px 24px;border-bottom:1px solid var(--study-border)}.study-plan-drawer__panel>header h2{margin:2px 0 0}.study-plan-drawer__panel>header button{font-size:2rem;border:0;background:none}.study-plan-drawer form{padding:22px 24px}.study-plan-drawer label,.notebook-modal label{display:block;margin:16px 0 7px;font-weight:700}.study-plan-drawer input,.study-plan-drawer select,.study-plan-drawer textarea,.notebook-modal input,.notebook-modal textarea,.notebook-modal select{width:100%;padding:11px 12px;border:1px solid #d7dce7;border-radius:9px;background:#fff}.study-form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.duration-field,.study-title-color{display:flex;gap:9px;align-items:center}.duration-field span{white-space:nowrap;color:var(--study-muted)}.study-title-color input[type=color]{width:52px;padding:4px}.study-plan-drawer fieldset{display:flex;flex-wrap:wrap;gap:10px;border:0;padding:0;margin:18px 0}.study-plan-drawer fieldset legend{width:100%;font-weight:700;margin-bottom:6px}.study-plan-drawer fieldset label{margin:0;padding:9px 12px;border:1px solid var(--study-border);border-radius:9px}.study-plan-drawer fieldset input{width:auto}.study-plan-drawer footer,.notebook-modal footer{display:flex;align-items:center;gap:10px;margin-top:22px}.study-plan-drawer footer span{flex:1}.study-plan-feedback.is-error,.notebook-form-feedback,.js-add-notebook-feedback{margin-top:12px;color:#c83737}
.notebook-layout{display:grid;grid-template-columns:290px minmax(0,1fr);gap:18px}.notebook-sidebar,.notebook-content{border:1px solid var(--study-border);border-radius:16px;background:#fff;min-height:600px}.notebook-sidebar__header{display:flex;justify-content:space-between;padding:18px;border-bottom:1px solid var(--study-border)}.notebook-sidebar__header span{display:grid;place-items:center;min-width:28px;height:28px;border-radius:50%;background:var(--study-primary-soft);color:var(--study-primary)}.notebook-list{padding:10px}.notebook-list-item{display:flex;gap:10px;padding:12px;border-radius:10px;color:var(--study-text);text-decoration:none}.notebook-list-item.active,.notebook-list-item:hover{background:var(--study-primary-soft);color:var(--study-primary)}.notebook-list-item div{min-width:0}.notebook-list-item strong,.notebook-list-item small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.notebook-list-item small{color:var(--study-muted);margin-top:3px}.notebook-content{padding:22px}.notebook-detail-header{display:flex;justify-content:space-between;gap:18px;padding-bottom:18px;border-bottom:1px solid var(--study-border)}.notebook-detail-header h2{margin:3px 0}.notebook-detail-header p{margin:0;color:var(--study-muted)}.notebook-detail-header>div:last-child{display:flex;gap:8px;align-items:flex-start;flex-wrap:wrap}.notebook-question-toolbar{display:flex;justify-content:space-between;align-items:center;padding:18px 0}.notebook-question-list{display:flex;flex-direction:column;gap:10px}.notebook-question-row{display:grid;grid-template-columns:42px 1fr auto;gap:12px;align-items:center;padding:14px;border:1px solid var(--study-border);border-radius:12px}.notebook-question-number{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--study-primary-soft);color:var(--study-primary);font-weight:800}.notebook-question-row p{margin:6px 0 0}.notebook-question-tags{display:flex;gap:6px;flex-wrap:wrap}.notebook-question-tags span{padding:3px 7px;border-radius:12px;background:#f4f6fa;font-size:.72rem;color:var(--study-muted)}.notebook-question-actions{display:flex;gap:8px}.notebook-question-actions button,.notebook-question-actions a{border:0;background:none;color:var(--study-primary)}.notebook-empty{padding:18px;text-align:center;color:var(--study-muted)}.notebook-empty--large,.notebook-welcome{display:grid;place-items:center;align-content:center;min-height:450px;text-align:center}.notebook-welcome>div{font-size:4rem}.notebook-welcome p{color:var(--study-muted);max-width:480px}
.notebook-modal{position:fixed;inset:0;z-index:10000;opacity:0;pointer-events:none}.notebook-modal.is-open{opacity:1;pointer-events:auto}.notebook-modal__backdrop{position:absolute;inset:0;background:rgba(20,25,40,.42)}.notebook-modal__dialog{position:absolute;top:50%;left:50%;transform:translate(-50%,-46%);width:min(500px,calc(100% - 28px));padding:22px;background:#fff;border-radius:16px;box-shadow:0 22px 60px rgba(0,0,0,.2);transition:.2s}.notebook-modal.is-open .notebook-modal__dialog{transform:translate(-50%,-50%)}.notebook-modal__dialog>header{display:flex;justify-content:space-between;align-items:center}.notebook-modal__dialog>header button{border:0;background:none;font-size:2rem}.notebook-modal textarea{min-height:120px}.notebook-modal footer{justify-content:flex-end}.add-notebook-create{display:grid;grid-template-columns:1fr auto;gap:8px;margin-top:18px}.add-notebook-create span{grid-column:1/-1;color:var(--study-muted)}
.question-notebook-select{position:absolute;top:10px;right:54px;z-index:5}.question-notebook-select input{position:absolute;opacity:0}.question-notebook-select span{display:inline-flex;align-items:center;padding:6px 9px;border:1px solid #d9deeb;border-radius:9px;background:#fff;color:#64708a;font-size:.78rem;cursor:pointer}.question-notebook-select input:checked+span{background:var(--study-primary);border-color:var(--study-primary);color:#fff}.q-question-item.is-notebook-selected{box-shadow:0 0 0 3px rgba(91,53,213,.16)}.notebook-selection-bar{position:fixed;left:50%;bottom:22px;z-index:9000;transform:translateX(-50%);display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid #d9dcef;border-radius:14px;background:#fff;box-shadow:0 16px 45px rgba(31,42,68,.18)}
.simulation-page{max-width:1120px}.simulation-header{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:18px 22px;margin-bottom:18px;border:1px solid var(--study-border);border-radius:15px;background:rgba(255,255,255,.96);backdrop-filter:blur(10px)}.simulation-header h1{margin:3px 0}.simulation-header p{margin:0;color:var(--study-muted)}.simulation-timer{text-align:right}.simulation-timer small,.simulation-timer strong{display:block}.simulation-timer strong{font-size:1.45rem;color:var(--study-primary)}.simulation-question{margin-bottom:16px;padding:22px;border:1px solid var(--study-border);border-radius:15px;background:#fff}.simulation-question>header{display:flex;gap:12px;align-items:center;margin-bottom:18px}.simulation-question>header>span{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:var(--study-primary);color:#fff;font-weight:800}.simulation-question>header small{display:block;color:var(--study-muted)}.simulation-question-text{margin-bottom:18px;font-size:1.05rem;line-height:1.55}.simulation-options{display:flex;flex-direction:column;gap:9px}.simulation-options label{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:center;padding:12px;border:1px solid var(--study-border);border-radius:10px;cursor:pointer}.simulation-options label:has(input:checked){border-color:var(--study-primary);background:var(--study-primary-soft)}.simulation-options input{position:absolute;opacity:0}.simulation-options label>span{display:grid;place-items:center;width:32px;height:32px;border:1px solid #ef5b37;border-radius:50%;font-weight:800}.simulation-submit-bar{position:sticky;bottom:12px;display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-radius:14px;background:#fff;box-shadow:0 10px 35px rgba(31,42,68,.18)}.simulation-result{margin-top:18px;padding:24px;border:1px solid var(--study-border);border-radius:16px;background:#fff;text-align:center}.simulation-result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0}.simulation-result-grid div{padding:18px;border-radius:12px;background:var(--study-bg)}.simulation-result-grid strong,.simulation-result-grid span{display:block}.simulation-result-grid strong{font-size:1.8rem;color:var(--study-primary)}
@media(max-width:1000px){.study-week-grid{grid-template-columns:repeat(7,210px)}.notebook-layout{grid-template-columns:1fr}.notebook-sidebar{min-height:auto}.notebook-list{display:flex;overflow-x:auto}.notebook-list-item{min-width:220px}.study-desk-header,.notebook-detail-header{align-items:flex-start;flex-direction:column}.notebook-question-row{grid-template-columns:42px 1fr}.notebook-question-actions{grid-column:2}.question-notebook-select{right:12px;top:56px}}
@media(max-width:600px){.phase7-page{width:calc(100% - 18px);margin-top:16px}.study-desk-header{padding:20px}.study-desk-header h1{font-size:1.55rem}.study-header-actions{width:100%}.study-header-actions .btn{flex:1}.study-form-row{grid-template-columns:1fr}.notebook-content{padding:14px}.notebook-question-row{grid-template-columns:32px 1fr}.notebook-question-actions{grid-column:1/-1;justify-content:flex-end}.notebook-selection-bar{width:calc(100% - 20px);flex-wrap:wrap;justify-content:center}.simulation-header{position:static}.simulation-result-grid{grid-template-columns:1fr}.simulation-submit-bar{bottom:6px}.question-notebook-select span{font-size:0;width:34px;height:34px;justify-content:center}.question-notebook-select span:before{content:'＋';font-size:1rem}}
.phase7-study-desk-launcher{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:0 0 20px}.phase7-study-desk-launcher>a{display:grid;grid-template-columns:50px 1fr auto;gap:12px;align-items:center;padding:18px;border:1px solid var(--study-border);border-radius:15px;background:#fff;color:var(--study-text);text-decoration:none;box-shadow:0 8px 25px rgba(31,42,68,.05)}.phase7-study-desk-launcher>a:hover{border-color:#b9adf6;transform:translateY(-2px)}.phase7-study-desk-launcher>a>span{display:grid;place-items:center;width:48px;height:48px;border-radius:13px;background:var(--study-primary-soft);font-size:1.45rem}.phase7-study-desk-launcher small,.phase7-study-desk-launcher strong,.phase7-study-desk-launcher p{display:block}.phase7-study-desk-launcher small{color:var(--study-primary);font-weight:800}.phase7-study-desk-launcher p{margin:4px 0 0;color:var(--study-muted);font-size:.82rem}.phase7-study-desk-launcher b{color:var(--study-primary);white-space:nowrap}@media(max-width:950px){.phase7-study-desk-launcher{grid-template-columns:1fr}}@media(max-width:520px){.phase7-study-desk-launcher>a{grid-template-columns:44px 1fr}.phase7-study-desk-launcher>a>b{grid-column:2}}