:root{--sds-ink:#18201d;--sds-muted:#6d756f;--sds-green:#496c5a;--sds-deep:#203f32;--sds-pale:#eaf0eb;--sds-sand:#f5f0e7;--sds-line:#d7ded8;--sds-red:#b42318}
.sds-app{max-width:1180px;margin:0 auto;padding:42px 22px 90px;color:var(--sds-ink);font-family:Arial,"Noto Sans KR",sans-serif}.sds-app *{box-sizing:border-box}.sds-app a{text-decoration:none}
.sds-portal{display:grid;grid-template-columns:1fr 1.1fr;min-height:620px;border-radius:28px;overflow:hidden;background:#fff;box-shadow:0 24px 70px rgba(22,42,33,.13)}
.sds-portal-copy{padding:70px;background:var(--sds-deep);color:#fff;display:flex;flex-direction:column;justify-content:center}.sds-portal-copy span,.sds-hero span,.sds-worksheet-head span,.sds-section-title span{font-size:12px;font-weight:900;letter-spacing:.14em;color:#b8d1c3}.sds-portal-copy h1,.sds-login-copy h1{font-size:58px;line-height:1.06;margin:18px 0}.sds-portal-copy p,.sds-login-copy p{font-size:16px;line-height:1.8;color:#dfe9e3}.sds-entry-cards{display:grid;gap:18px;padding:62px;align-content:center}.sds-entry-cards>a{padding:28px;border:1px solid var(--sds-line);border-radius:18px;color:var(--sds-ink);transition:.2s}.sds-entry-cards>a:hover{transform:translateY(-3px);border-color:var(--sds-green);box-shadow:0 12px 28px rgba(34,63,49,.1)}.sds-entry-cards small{color:var(--sds-green);font-weight:900;letter-spacing:.12em}.sds-entry-cards h2{font-size:27px;margin:8px 0}.sds-entry-cards p{color:var(--sds-muted)}.sds-entry-cards b{color:var(--sds-green)}
.sds-login{display:grid;grid-template-columns:1.1fr .9fr;min-height:600px;border-radius:28px;overflow:hidden;background:var(--sds-sand);box-shadow:0 24px 70px rgba(22,42,33,.13)}.sds-login-copy{padding:68px;background:var(--sds-deep);color:#fff;display:flex;flex-direction:column;justify-content:center}.sds-entry-back{color:#d5e3db!important;font-weight:800;margin-top:18px}.sds-login-box{padding:65px;display:flex;flex-direction:column;justify-content:center}.sds-login-box h2{font-size:31px;margin:0 0 24px}.sds-login-box label{font-weight:800}.sds-login-box input[type=text],.sds-login-box input[type=password]{display:block;width:100%;padding:14px;border:1px solid #cbd5cd;border-radius:11px;margin:7px 0 16px}.sds-login-box button{width:100%;padding:14px;border:0;border-radius:11px;background:var(--sds-green);color:#fff;font-weight:900;cursor:pointer}.sds-remember{display:flex;align-items:center;gap:8px;margin-bottom:18px;font-weight:500!important}.sds-login-error{padding:12px;margin-bottom:15px;border-radius:8px;background:#fff0ef;color:var(--sds-red);font-weight:700}
.sds-hero{display:flex;align-items:flex-end;justify-content:space-between;gap:25px;margin-bottom:22px;padding:30px 34px;background:var(--sds-deep);border-radius:22px;color:#fff}.sds-hero h1{font-size:38px;margin:8px 0}.sds-hero p{margin:0;color:#d9e5df}.sds-averages{display:flex;gap:12px;flex-wrap:wrap}.sds-averages div{min-width:135px;background:rgba(255,255,255,.1);padding:16px;border-radius:14px}.sds-averages small{display:block}.sds-averages strong{font-size:32px}.sds-grade-badge{display:inline-block;margin:0 0 18px;padding:8px 13px;border-radius:999px;background:var(--sds-pale);color:var(--sds-deep);font-weight:900}
.sds-grade-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 20px}.sds-grade-tabs a{display:inline-flex;padding:11px 18px;border:1px solid var(--sds-line);border-radius:999px;background:#fff;color:var(--sds-ink);font-weight:900}.sds-grade-tabs a.active{background:var(--sds-green);color:#fff;border-color:var(--sds-green)}
.sds-session-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.sds-session-card{background:#fff;border:1px solid var(--sds-line);border-radius:18px;padding:20px;box-shadow:0 8px 25px rgba(26,44,35,.05)}.sds-session-card.is-complete{border-color:#8fb39e;background:#f8fbf9}.sds-card-top{display:flex;justify-content:space-between;align-items:center}.sds-card-top b{font-size:27px;color:var(--sds-green)}.sds-card-top span{font-size:11px;color:var(--sds-muted)}.sds-session-card h2{font-size:18px;margin:18px 0}.sds-status{display:grid;gap:7px;margin-bottom:17px}.sds-status em{font-style:normal;background:#f1f4f2;padding:7px 9px;border-radius:8px;font-size:12px}
.sds-button{display:inline-flex;justify-content:center;align-items:center;padding:12px 17px;background:var(--sds-green);color:#fff!important;border:0;border-radius:10px;font-weight:900;cursor:pointer}.sds-button.secondary{background:#e4ebe6;color:var(--sds-deep)!important}.sds-button.disabled{background:#ccd3ce;cursor:not-allowed}.sds-button.wide{width:100%}.sds-button.report{margin-top:18px}.sds-back{display:inline-block;margin-bottom:20px;color:var(--sds-green);font-weight:800}.sds-worksheet-head{padding:30px;background:var(--sds-sand);border-radius:20px;margin-bottom:20px}.sds-worksheet-head span{color:var(--sds-green)}.sds-worksheet-head h1{font-size:36px;margin:9px 0}.sds-worksheet-head p{color:var(--sds-muted);margin:0}
.sds-answer-columns{display:grid;grid-template-columns:1fr 1fr;gap:20px}.sds-answer-panel{background:#fff;border:1px solid var(--sds-line);border-radius:18px;padding:24px}.sds-panel-title{display:flex;justify-content:space-between;align-items:center}.sds-panel-title h2{margin:0 0 18px}.sds-panel-title strong{font-size:28px;color:var(--sds-green)}.sds-answer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:20px}.sds-answer-grid fieldset{border:1px solid var(--sds-line);border-radius:11px;padding:9px;display:grid;grid-template-columns:repeat(5,1fr);gap:4px}.sds-answer-grid legend{font-weight:900;padding:0 5px}.sds-answer-grid label input{display:none}.sds-answer-grid label span{display:flex;height:32px;align-items:center;justify-content:center;border-radius:7px;background:#f1f3f1;cursor:pointer}.sds-answer-grid label input:checked+span{background:var(--sds-green);color:#fff}
.sds-result-summary{display:flex;gap:20px;margin-bottom:14px}.sds-result-summary b{color:#157347}.sds-result-list{display:grid;gap:9px}.sds-result-list article{border:1px solid var(--sds-line);border-radius:10px;padding:12px}.sds-result-list article.wrong{border-color:#efb7b2;background:#fff8f7}.sds-result-list article header{display:flex;justify-content:space-between}.sds-result-list article small{display:block;color:var(--sds-muted);line-height:1.6}
.sds-concepts{margin-top:20px;background:#fff;border:1px solid var(--sds-line);border-radius:18px;padding:26px}.sds-section-title p{margin:6px 0 0;color:var(--sds-muted)}.sds-concept-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:22px}.sds-concept-group{border:1px solid var(--sds-line);border-radius:15px;overflow:hidden;background:#fbfcfb}.sds-concept-group h3{display:flex;align-items:center;justify-content:space-between;margin:0;padding:15px 18px;background:var(--sds-deep);color:#fff;font-size:20px}.sds-concept-group h3 small{font-size:12px;color:#cfe0d6}.sds-concept-group ol{margin:0;padding:12px 18px;list-style:none}.sds-concept-group li{display:grid;grid-template-columns:34px 1fr;gap:8px;padding:9px 2px;border-bottom:1px dashed var(--sds-line);line-height:1.55}.sds-concept-group li b{color:var(--sds-green)}.sds-locked,.sds-message{margin-top:20px;padding:18px;border-radius:12px;background:#edf1ee;color:var(--sds-muted)}
.sds-teacher-table{overflow:auto;background:#fff;border:1px solid var(--sds-line);border-radius:16px}.sds-teacher-table table{width:100%;border-collapse:collapse}.sds-teacher-table th,.sds-teacher-table td{padding:14px;border-bottom:1px solid var(--sds-line);text-align:left;white-space:nowrap}.sds-teacher-table th{background:#f3f6f4}
.sds-report-actions{display:flex;gap:10px;justify-content:flex-end;margin-bottom:14px}.sds-report{max-width:820px;margin:auto;background:#fff;border:1px solid #d6ddd8;padding:42px;border-radius:8px}.sds-report>header{display:flex;justify-content:space-between;border-bottom:4px solid var(--sds-deep);padding-bottom:20px}.sds-report>header h1{font-size:35px;margin:7px 0}.sds-report>header>b{font-size:54px;color:var(--sds-green)}.sds-report>header>b small{display:block;font-size:13px;text-align:center}.sds-report-scores{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:28px 0}.sds-report-scores article{padding:24px;background:var(--sds-pale);text-align:center;border-radius:14px}.sds-report-scores strong{display:block;font-size:48px;color:var(--sds-deep)}.sds-report-scores strong small{font-size:14px}.sds-report-summary{display:flex;justify-content:space-around;border-top:1px solid var(--sds-line);border-bottom:1px solid var(--sds-line);padding:20px}.sds-report footer{display:flex;justify-content:space-between;margin-top:25px}
.sds-admin-stats,.sds-admin-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:20px 0}.sds-admin-stats div,.sds-admin-card{background:#fff;border:1px solid #dcdcde;border-radius:8px;padding:20px}.sds-admin-stats strong{display:block;font-size:27px}.sds-admin-stats span{color:#646970}.sds-admin-grid{grid-template-columns:1fr 1fr}.sds-session-tabs{display:flex;gap:5px;flex-wrap:wrap;margin:15px 0}.sds-session-tabs a{display:inline-flex;width:37px;height:37px;align-items:center;justify-content:center;background:#fff;border:1px solid #c3c4c7;text-decoration:none}.sds-session-tabs a.active{background:#2271b1;color:#fff}
@media(max-width:900px){.sds-portal,.sds-login{grid-template-columns:1fr}.sds-portal-copy,.sds-login-copy,.sds-login-box,.sds-entry-cards{padding:42px}.sds-session-grid{grid-template-columns:repeat(2,1fr)}.sds-answer-columns{grid-template-columns:1fr}.sds-concept-groups{grid-template-columns:1fr}}
@media(max-width:580px){.sds-app{padding:20px 12px 60px}.sds-session-grid{grid-template-columns:1fr}.sds-hero{align-items:flex-start;flex-direction:column}.sds-averages{width:100%}.sds-averages div{flex:1 1 42%;min-width:0}.sds-worksheet-head h1{font-size:28px}.sds-answer-grid{grid-template-columns:1fr}.sds-report{padding:22px}.sds-report-scores{grid-template-columns:1fr}.sds-report-summary{flex-direction:column;gap:10px}.sds-portal-copy h1,.sds-login-copy h1{font-size:43px}.sds-admin-grid{grid-template-columns:1fr}}

.sds-admin-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}
.sds-edit-student{margin:22px 0;background:#fff;border:2px solid #7a9d89}
.sds-inline-check{margin-left:16px}
.sds-student-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.sds-student-actions form{margin:0}
.sds-delete-button{color:#b42318!important;border-color:#dba29d!important}
.sds-account-status{display:inline-flex;padding:4px 9px;border-radius:999px;font-size:12px;font-weight:800}
.sds-account-status.enabled{background:#dcfce7;color:#166534}
.sds-account-status.disabled{background:#fee2e2;color:#991b1b}
@media(max-width:782px){.sds-inline-check{display:block;margin:10px 0 0}.sds-admin-card-head{flex-direction:column}.sds-student-table th:nth-child(5),.sds-student-table td:nth-child(5),.sds-student-table th:nth-child(6),.sds-student-table td:nth-child(6){display:none}}

.sds-teacher-issue{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;margin:0 0 22px;padding:24px;border:1px solid var(--sds-line);border-radius:18px;background:#fff}
.sds-teacher-issue-copy small,.sds-issued-account small{color:var(--sds-green);font-weight:900;letter-spacing:.12em}
.sds-teacher-issue-copy h2,.sds-issued-account h2{margin:6px 0 8px}
.sds-teacher-issue-copy p,.sds-issued-account p{margin:0;color:var(--sds-muted);line-height:1.65}
.sds-teacher-issue form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.sds-teacher-issue label{display:grid;gap:7px;font-weight:800}
.sds-teacher-issue label small{font-weight:500;color:var(--sds-muted)}
.sds-teacher-issue input,.sds-teacher-issue select{width:100%;padding:11px 12px;border:1px solid var(--sds-line);border-radius:9px;background:#fff;font:inherit}
.sds-teacher-issue button{align-self:end}
.sds-issued-account{display:grid;grid-template-columns:1fr auto;gap:25px;align-items:center;margin:0 0 22px;padding:23px 25px;border:2px solid #7a9d89;border-radius:18px;background:#f7fbf8}
.sds-issued-account dl{display:flex;gap:12px;margin:0}
.sds-issued-account dl>div{min-width:110px;padding:11px 13px;border-radius:10px;background:#fff;border:1px solid var(--sds-line)}
.sds-issued-account dt{font-size:11px;color:var(--sds-muted)}
.sds-issued-account dd{margin:4px 0 0;font-weight:900}
@media(max-width:800px){.sds-teacher-issue,.sds-issued-account{grid-template-columns:1fr}.sds-issued-account dl{flex-wrap:wrap}}
@media(max-width:580px){.sds-teacher-issue form{grid-template-columns:1fr}.sds-issued-account dl{display:grid;grid-template-columns:1fr}}

.sds-login-help{margin:16px 0 0;color:var(--sds-muted);font-size:12px;line-height:1.6}
.sds-pin-change{display:grid;grid-template-columns:1fr 1fr;min-height:570px;border-radius:26px;overflow:hidden;background:#fff;box-shadow:0 22px 65px rgba(22,42,33,.12)}
.sds-pin-copy{padding:64px;background:var(--sds-deep);color:#fff;display:flex;flex-direction:column;justify-content:center}
.sds-pin-copy span{font-size:12px;font-weight:900;letter-spacing:.14em;color:#b8d1c3}
.sds-pin-copy h1{font-size:46px;margin:12px 0}
.sds-pin-copy p{color:#dfe9e3;line-height:1.75}
.sds-pin-box{padding:62px;display:flex;flex-direction:column;justify-content:center}
.sds-pin-box form{display:grid;gap:15px}
.sds-pin-box label{display:grid;gap:7px;font-weight:900}
.sds-pin-box input{width:100%;padding:14px;border:1px solid var(--sds-line);border-radius:10px;font-size:20px;letter-spacing:.3em;text-align:center}
.sds-pin-required{padding:12px 14px;margin-bottom:14px;border-radius:9px;background:#fff3d6;color:#765600;font-weight:900}
.sds-pin-rule{margin:0;color:var(--sds-muted);font-size:12px;line-height:1.6}
.sds-pin-cancel{display:block;margin-top:18px;color:var(--sds-green);font-weight:800;text-align:center}
.sds-success-message{margin:0 0 18px;padding:14px 17px;border-radius:11px;background:#e5f6e9;color:#17653b;font-weight:800}
.sds-dashboard-tools{display:flex;align-items:center;justify-content:space-between;margin:0 0 18px}
.sds-dashboard-tools .sds-grade-badge{margin:0}
.sds-pin-link{display:inline-flex;padding:9px 13px;border:1px solid var(--sds-green);border-radius:999px;color:var(--sds-green)!important;font-weight:900}
.sds-fixed-pin{display:grid;align-content:center;justify-items:center;padding:8px 12px;border:1px dashed #7d9d8b;border-radius:10px;background:#f4f9f5}
.sds-fixed-pin small,.sds-fixed-pin span{font-size:11px;color:var(--sds-muted)}
.sds-fixed-pin strong{font-size:25px;letter-spacing:.12em;color:var(--sds-deep)}
.sds-account-status.pending{background:#fff3cd;color:#745400}
.sds-student-manage-head{display:flex;align-items:center;justify-content:space-between;gap:22px}
@media(max-width:760px){.sds-pin-change{grid-template-columns:1fr}.sds-pin-copy,.sds-pin-box{padding:38px}.sds-dashboard-tools,.sds-student-manage-head{align-items:flex-start;flex-direction:column}}

/* 3.0.0 통합: 20회차 매일 숙제 + 주간 테스트 */
.sds-mode-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 20px;padding:7px;border:1px solid var(--sds-line);border-radius:14px;background:#fff}
.sds-mode-tabs a{display:inline-flex;flex:1 1 180px;align-items:center;justify-content:center;min-height:42px;padding:9px 16px;border-radius:10px;color:var(--sds-muted);font-weight:900}
.sds-mode-tabs a.active{background:var(--sds-deep);color:#fff}
.sds-record-tabs{margin-top:18px}
.sds-weekly-editor,.sds-weekly-list,.sds-weekly-import{margin:22px 0;padding:24px;border:1px solid var(--sds-line);border-radius:18px;background:#fff}
.sds-weekly-editor form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin-top:18px}
.sds-weekly-editor label{display:grid;gap:7px;font-weight:900}.sds-weekly-editor label.wide{grid-column:1/-1}.sds-weekly-editor label.check{display:flex;align-items:center;gap:8px}
.sds-weekly-editor input,.sds-weekly-editor select,.sds-weekly-editor textarea,.sds-weekly-score-form input,.sds-weekly-import input{width:100%;padding:11px 12px;border:1px solid var(--sds-line);border-radius:9px;background:#fff;font:inherit}
.sds-weekly-editor label.check input,.sds-weekly-score-form input[type=checkbox]{width:auto}
.sds-weekly-actions{display:flex;gap:9px;flex-wrap:wrap}.sds-weekly-actions a{font-weight:850;color:var(--sds-green)}.sds-weekly-actions a.danger{color:#b42318}
.sds-weekly-score-form>.sds-button{margin-top:15px}.sds-weekly-score-form input[type=number]{min-width:100px}.sds-weekly-score-form input[type=text]{min-width:190px}
.sds-weekly-import form{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.sds-weekly-import input[type=file]{max-width:420px}
.sds-weekly-report{max-width:1040px;margin:auto;background:#fff;border:1px solid #d6ddd8;padding:38px;border-radius:9px}
.sds-weekly-report>header{display:flex;justify-content:space-between;gap:18px;border-bottom:4px solid var(--sds-deep);padding-bottom:20px}
.sds-weekly-report>header span{color:var(--sds-green);font-weight:900}.sds-weekly-report>header h1{font-size:34px;margin:7px 0}.sds-weekly-report>header p{margin:0;color:var(--sds-muted)}
.sds-weekly-report>header>b{display:grid;place-items:center;align-content:center;min-width:94px;height:94px;border-radius:50%;background:var(--sds-deep);color:#fff;font-size:38px}.sds-weekly-report>header>b small{font-size:12px}
.sds-weekly-stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px;margin:24px 0}.sds-weekly-stat-grid article{padding:18px;border-radius:13px;background:var(--sds-pale);text-align:center}.sds-weekly-stat-grid span{display:block;color:var(--sds-muted);font-size:12px}.sds-weekly-stat-grid strong{display:block;color:var(--sds-deep);font-size:34px}.sds-weekly-stat-grid small{font-size:13px}
.sds-weekly-areas{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.sds-weekly-areas span{padding:7px 12px;border-radius:999px;background:#eaf3ed;color:var(--sds-green)}
.sds-weekly-history{overflow:auto}.sds-weekly-history table{width:100%;border-collapse:collapse}.sds-weekly-history th,.sds-weekly-history td{padding:12px 9px;border-bottom:1px solid var(--sds-line);text-align:left;white-space:nowrap}.sds-weekly-history th{font-size:12px;color:var(--sds-muted)}
.sds-weekly-report footer{display:flex;justify-content:space-between;gap:20px;margin-top:24px;color:var(--sds-muted)}.sds-weekly-report footer strong{color:var(--sds-deep)}
@media(max-width:900px){.sds-weekly-editor form{grid-template-columns:1fr 1fr}.sds-weekly-stat-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:580px){.sds-weekly-editor form{grid-template-columns:1fr}.sds-weekly-editor label.wide{grid-column:auto}.sds-weekly-stat-grid{grid-template-columns:1fr}.sds-weekly-report{padding:22px}.sds-weekly-report>header{flex-direction:column}.sds-weekly-report footer{flex-direction:column}}

/* v4.0 스마트폰 주간 테스트 */
.sds-weekly-student-tools{display:flex;justify-content:flex-end;margin:0 0 18px}
.sds-online-test-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.sds-online-test-card{display:flex;flex-direction:column;min-height:280px;padding:22px;border:1px solid var(--sds-line);border-radius:18px;background:#fff;box-shadow:0 8px 26px rgba(27,57,43,.05)}
.sds-online-test-card.submitted{border-color:#88aa96;background:linear-gradient(180deg,#fff,#f3faf5)}
.sds-online-test-card.status-closed:not(.submitted){background:#f2f4f3}.sds-online-test-card.status-upcoming{background:#fbfaf4}
.sds-online-test-top{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--sds-muted);font-size:12px}
.sds-online-test-top b{padding:5px 9px;border-radius:999px;background:#e7f1ea;color:var(--sds-green)}
.sds-online-test-card.status-closed .sds-online-test-top b{background:#e5e7e6;color:#69736d}.sds-online-test-card.status-upcoming .sds-online-test-top b{background:#fff1c8;color:#725600}
.sds-online-test-card h2{font-size:21px;line-height:1.35;margin:17px 0 7px}.sds-online-test-card>p{margin:0;color:var(--sds-muted);font-size:13px}
.sds-online-test-meta{display:flex;gap:7px;flex-wrap:wrap;margin:15px 0}.sds-online-test-meta span{padding:5px 8px;border-radius:7px;background:#edf2ef;color:#5f6e66;font-size:11px}
.sds-online-test-score{display:flex;align-items:flex-end;gap:3px;margin:auto 0 15px;color:var(--sds-deep)}.sds-online-test-score strong{font-size:48px;line-height:1}.sds-online-test-score small{margin-bottom:5px}.sds-online-test-score span{margin-left:auto;color:var(--sds-muted);font-size:13px}
.sds-online-test-card>.sds-button{margin-top:auto}.sds-button.disabled{background:#e4e8e6;color:#8a938e;pointer-events:none}
.sds-test-start-card{max-width:760px;margin:20px auto;padding:34px;border:1px solid var(--sds-line);border-radius:21px;background:#fff;box-shadow:0 15px 45px rgba(25,55,41,.08);text-align:center}
.sds-test-start-card>span{color:var(--sds-green);font-size:12px;font-weight:900;letter-spacing:.15em}.sds-test-start-card h1{font-size:34px;margin:8px 0}.sds-test-start-card>p{color:var(--sds-muted)}
.sds-test-start-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:23px 0}.sds-test-start-meta b{padding:15px;border-radius:12px;background:var(--sds-pale);color:var(--sds-deep)}
.sds-test-warning{margin:18px 0;padding:14px;border-radius:10px;background:#fff5d7;color:#6f5700;text-align:left;line-height:1.65}
.sds-test-instructions{margin:18px 0;padding:18px;border:1px solid #dbe5df;border-radius:13px;background:#f7faf8;text-align:left}.sds-test-instructions strong{color:var(--sds-deep)}.sds-test-instructions p{margin:7px 0 0;color:#53625a;line-height:1.75}
.sds-test-material{margin:22px 0;padding:18px;border:1px solid var(--sds-line);border-radius:18px;background:#fff}
.sds-test-material-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;margin-bottom:15px}.sds-test-material-head span{font-size:11px;font-weight:900;letter-spacing:.14em;color:var(--sds-green)}.sds-test-material-head h2{margin:4px 0}.sds-test-material-head p{margin:0;color:var(--sds-muted);font-size:12px}
.sds-test-pdf{display:block;width:100%;height:min(76vh,900px);min-height:620px;border:1px solid var(--sds-line);border-radius:10px;background:#eee}
.sds-test-image{display:block;max-width:100%;height:auto;margin:auto;border-radius:9px}.sds-test-download,.sds-test-no-file{padding:24px;border-radius:12px;background:#f2f5f3;text-align:center;color:var(--sds-muted)}
.sds-current-file{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:10px;margin-top:7px;border-radius:9px;background:#eef4f0;font-weight:500}.sds-current-file label{display:flex!important;align-items:center;gap:5px!important}.sds-current-file input{width:auto!important}
.sds-online-settings{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px;padding:17px;border-radius:13px;background:#f2f7f4}.sds-online-settings label.wide{grid-column:1/-1}.sds-weekly-editor label small{font-size:11px;color:var(--sds-muted);line-height:1.5}.sds-weekly-editor label small b{color:var(--sds-green)}
.sds-answer-only-notice{margin:18px 0;padding:18px 20px;border:1px solid #cfe0d6;border-radius:14px;background:#f1f7f3}.sds-answer-only-notice strong{display:block;color:var(--sds-deep);font-size:17px}.sds-answer-only-notice p{margin:6px 0 0;color:#53625a;line-height:1.7}
.sds-mobile-quiz{padding-bottom:100px}.sds-mobile-answer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.sds-mobile-answer-item{margin:0;padding:10px;border:1px solid var(--sds-line);border-radius:12px;background:#fff}.sds-mobile-answer-item legend{padding:0 6px;color:var(--sds-muted);font-size:12px}.sds-mobile-answer-item legend strong{display:inline-grid;place-items:center;width:24px;height:24px;margin-right:3px;border-radius:50%;background:var(--sds-deep);color:#fff}
.sds-mobile-choice-row{display:grid;grid-template-columns:repeat(5,1fr);gap:5px}.sds-mobile-choice-row label{cursor:pointer}.sds-mobile-choice-row input{position:absolute;opacity:0;pointer-events:none}.sds-mobile-choice-row span{display:grid;place-items:center;height:38px;border:1px solid #ccd7d1;border-radius:8px;background:#fff;font-size:17px}.sds-mobile-choice-row input:checked+span{background:var(--sds-deep);border-color:var(--sds-deep);color:#fff;box-shadow:0 4px 12px rgba(28,64,46,.2)}
.sds-quiz-sticky{position:fixed;z-index:50;left:50%;bottom:14px;transform:translateX(-50%);display:flex;align-items:center;justify-content:space-between;gap:16px;width:min(760px,calc(100% - 24px));padding:12px 14px;border:1px solid var(--sds-line);border-radius:15px;background:rgba(255,255,255,.97);box-shadow:0 14px 42px rgba(20,44,33,.18);backdrop-filter:blur(10px)}
.sds-quiz-sticky>div{display:grid}.sds-quiz-sticky>div strong{font-size:20px;color:var(--sds-deep)}.sds-quiz-sticky>div span{font-size:10px;color:var(--sds-muted)}.sds-quiz-timer strong.urgent{color:#b42318}
.sds-quiz-result-summary{display:flex;gap:9px;flex-wrap:wrap;margin:17px 0}.sds-quiz-result-summary span{padding:8px 12px;border-radius:999px;background:#edf3ef;color:#476353;font-weight:750;font-size:13px}
.sds-quiz-review{margin:22px 0;padding:22px;border:1px solid var(--sds-line);border-radius:16px;background:#fff}.sds-quiz-review h2{margin-top:0}.sds-quiz-review>div{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.sds-quiz-review article{display:grid;grid-template-columns:30px 1fr;gap:4px;padding:10px;border-radius:9px;background:#f3f6f4}.sds-quiz-review article.correct{border-left:4px solid #2d8a52}.sds-quiz-review article.wrong{border-left:4px solid #c8443b}.sds-quiz-review article strong{grid-row:1/3;display:grid;place-items:center}.sds-quiz-review article span,.sds-quiz-review article b{font-size:12px}.sds-quiz-review article b{color:var(--sds-green)}
.sds-weekly-score-form td small{display:block;color:var(--sds-muted);font-size:11px}.sds-weekly-score-form a.danger{color:#b42318;font-weight:800;white-space:nowrap}
@media(max-width:980px){.sds-online-test-grid{grid-template-columns:repeat(2,1fr)}.sds-online-settings{grid-template-columns:repeat(2,1fr)}.sds-mobile-answer-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.sds-quiz-review>div{grid-template-columns:repeat(3,1fr)}}
@media(max-width:650px){.sds-online-test-grid{grid-template-columns:1fr}.sds-test-start-card{padding:24px 18px}.sds-test-start-card h1{font-size:28px}.sds-test-start-meta{grid-template-columns:1fr}.sds-test-material{padding:10px}.sds-test-material-head{flex-direction:column}.sds-test-pdf{height:68vh;min-height:470px}.sds-mobile-answer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.sds-mobile-answer-item{padding:9px 7px}.sds-mobile-choice-row span{height:38px;font-size:16px}.sds-quiz-sticky{gap:8px}.sds-quiz-sticky .sds-button{padding:10px 13px}.sds-online-settings{grid-template-columns:1fr}.sds-online-settings label.wide{grid-column:auto}.sds-quiz-review>div{grid-template-columns:repeat(2,1fr)}}
@media(max-width:410px){.sds-mobile-answer-grid{grid-template-columns:1fr}}


/* v4.1 주간 테스트 등록 화면 반응형 개선 */
.sds-weekly-editor{container-type:inline-size}
.sds-weekly-editor form{
  grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));
  align-items:start;
}
.sds-weekly-editor label,.sds-online-settings *{min-width:0}
.sds-weekly-editor input,.sds-weekly-editor select,.sds-weekly-editor textarea{
  max-width:100%;
  min-width:0;
}
.sds-weekly-editor input[type="date"],
.sds-weekly-editor input[type="datetime-local"],
.sds-weekly-editor input[type="number"]{
  width:100%;
  min-height:46px;
  font-size:15px;
}
.sds-online-settings{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
  padding:0;
  background:transparent;
  border-radius:0;
}
.sds-online-settings-section{
  min-width:0;
  padding:18px;
  border:1px solid #dce6df;
  border-radius:15px;
  background:#f3f7f4;
}
.sds-online-settings-title{margin-bottom:14px}
.sds-online-settings-title span{
  display:block;
  margin-bottom:3px;
  color:var(--sds-green);
  font-size:10px;
  font-weight:900;
  letter-spacing:.14em;
}
.sds-online-settings-title h3{margin:0;font-size:17px;color:var(--sds-deep)}
.sds-online-fields{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));
  gap:13px;
  align-items:start;
}
.sds-online-fields-scoring{grid-template-columns:minmax(110px,160px) minmax(0,1fr)}
.sds-answer-key-field{min-width:0}
.sds-answer-key-field input{width:100%}
.sds-online-fields label{
  display:grid!important;
  gap:7px!important;
  align-content:start;
  font-weight:850;
  line-height:1.35;
}
.sds-online-fields label small{min-height:1.5em}
.sds-online-options{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));
  gap:10px;
}
.sds-online-options label.check{
  display:grid!important;
  grid-template-columns:auto minmax(0,1fr);
  align-items:start!important;
  gap:10px!important;
  margin:0;
  padding:13px 14px;
  border:1px solid #d6e0da;
  border-radius:11px;
  background:#fff;
  cursor:pointer;
}
.sds-online-options label.check input{width:auto!important;margin:3px 0 0}
.sds-online-options label.check span{display:grid;gap:3px;min-width:0}
.sds-online-options label.check strong{font-size:14px;color:var(--sds-deep)}
.sds-online-options label.check small{font-weight:500;line-height:1.45}
@container (max-width:620px){
  .sds-online-fields-scoring{grid-template-columns:1fr}
  .sds-question-count-field input{max-width:120px}
  .sds-online-settings-section{padding:15px}
}
@media(max-width:650px){
  .sds-weekly-editor{padding:17px 14px}
  .sds-weekly-editor form{grid-template-columns:1fr;gap:12px}
  .sds-weekly-editor label.wide,.sds-online-settings.wide{grid-column:auto}
  .sds-online-fields,.sds-online-fields-scoring,.sds-online-options{grid-template-columns:1fr}
  .sds-online-settings-section{padding:15px 13px}
  .sds-weekly-editor input[type="datetime-local"]{font-size:14px}
}

/* 4.3 파일 정답 자동 추출 */
.sds-warning-message{margin:0 0 18px;padding:14px 16px;border:1px solid #e7c66d;border-radius:12px;background:#fff8df;color:#765513;font-weight:700}
.sds-required-note{display:inline-block;margin-left:6px;padding:2px 7px;border-radius:999px;background:#e5f2e9;color:#2d6848;font-size:11px;font-weight:800}
.sds-auto-answer-check,.sds-answer-verified-field{align-items:flex-start!important}
.sds-auto-answer-check>span,.sds-answer-verified-field>span{display:grid;gap:3px}
.sds-auto-answer-check small,.sds-answer-verified-field small{font-weight:500;color:#64736b}
.sds-extract-note{display:block;margin-top:8px;padding:9px 11px;border-radius:9px;background:#eef6f1;color:#355b47;font-size:12px;line-height:1.5}
.sds-answer-verified-field{grid-column:1/-1;padding:12px 14px;border:1px solid #dbe7df;border-radius:10px;background:#f8fbf9}

/* 4.8 제출 직후 정답·해설 공개 */
.sds-answer-columns-single{grid-template-columns:minmax(0,760px);justify-content:center}
.sds-answer-review-title{margin:20px 0 10px;padding-top:16px;border-top:1px solid var(--sds-line);font-size:18px;color:var(--sds-deep)}
.sds-quiz-review article p{grid-column:1/-1;margin:7px 0 0;padding-top:7px;border-top:1px solid #dce5df;color:#4b5d52;font-size:12px;line-height:1.55;white-space:pre-line}
.sds-fixed-result-option{display:grid;grid-template-columns:minmax(0,1fr);align-items:start;gap:3px;margin:0;padding:13px 14px;border:1px solid #d6e0da;border-radius:11px;background:#fff}
.sds-fixed-result-option span{display:grid;gap:3px}
.sds-fixed-result-option strong{font-size:14px;color:var(--sds-deep)}
.sds-fixed-result-option small{font-weight:500;line-height:1.45;color:#64736b}
.sds-answer-explanations-field textarea{min-height:170px;line-height:1.55}
@media(max-width:650px){.sds-answer-columns-single{grid-template-columns:1fr}.sds-quiz-review article p{font-size:11.5px}}
.sds-report-scores-single{grid-template-columns:minmax(0,1fr);max-width:520px;margin-left:auto;margin-right:auto}

/* 4.9 영역별 오답 분석 */
.sds-area-badge{display:inline-flex;align-items:center;margin-left:7px;padding:3px 8px;border-radius:999px;background:#e8efe9;color:var(--sds-deep);font-size:11px;font-style:normal;font-weight:900;vertical-align:middle}
.sds-area-chips{display:flex;gap:6px;flex-wrap:wrap;min-width:250px}.sds-area-chips span{display:inline-flex;gap:4px;padding:5px 8px;border-radius:999px;font-size:12px}.sds-area-chips span.perfect{background:#e5f4e9;color:#17653a}.sds-area-chips span.needs-work{background:#fff0ee;color:#9f2d24}.sds-area-chips b{font-weight:900}
.sds-wrong-mini{display:flex;gap:5px;flex-wrap:wrap;max-width:440px}.sds-wrong-mini span{padding:4px 7px;border-radius:7px;background:#fff0ee;color:#7f2923;font-size:12px}.sds-wrong-mini em{font-size:12px;color:var(--sds-muted)}.sds-all-correct{color:#17653a}
.sds-review-area-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:0 0 20px}.sds-review-area-summary article{padding:19px;border:1px solid var(--sds-line);border-radius:15px;background:#fff}.sds-review-area-summary span{font-weight:900;color:var(--sds-green)}.sds-review-area-summary strong{display:block;margin:7px 0 2px;font-size:35px;color:var(--sds-deep)}.sds-review-area-summary strong small{font-size:14px}.sds-review-area-summary p{margin:0;color:var(--sds-muted)}.sds-review-area-summary em{display:block;margin-top:10px;font-size:12px;font-style:normal;color:#8b342d}
.sds-teacher-wrong-review{padding:26px;border:1px solid var(--sds-line);border-radius:18px;background:#fff}.sds-teacher-wrong-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin-top:20px}.sds-teacher-wrong-list article{padding:17px;border:1px solid #ebc4c0;border-radius:13px;background:#fff9f8}.sds-teacher-wrong-list header{display:flex;justify-content:space-between;align-items:center}.sds-teacher-wrong-list header>div{display:flex;align-items:center;gap:7px}.sds-teacher-wrong-list header span{color:var(--sds-red);font-weight:900}.sds-teacher-wrong-list dl{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:14px 0}.sds-teacher-wrong-list dl div{padding:10px;border-radius:9px;background:#fff}.sds-teacher-wrong-list dt{font-size:11px;color:var(--sds-muted)}.sds-teacher-wrong-list dd{margin:4px 0 0;font-size:22px;font-weight:900}.sds-teacher-wrong-list p{margin:0;padding-top:12px;border-top:1px solid #eadad8;line-height:1.6;color:#4e5752}.sds-perfect-message{margin-top:18px;padding:22px;border-radius:12px;background:#e9f5ec;color:#17653a;font-weight:900;text-align:center}
.sds-report-area-section{margin:28px 0}.sds-report-area-section h2,.sds-report-wrong-section h2{margin:0 0 13px;font-size:20px;color:var(--sds-deep)}.sds-report-areas{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px}.sds-report-areas article{padding:16px;border:1px solid var(--sds-line);border-radius:12px;background:#fbfcfb}.sds-report-areas span{font-weight:900;color:var(--sds-green)}.sds-report-areas strong{display:block;margin:5px 0;font-size:30px;color:var(--sds-deep)}.sds-report-areas strong small{font-size:13px}.sds-report-areas p{margin:0;font-size:12px;color:var(--sds-muted)}.sds-report-areas em{display:block;margin-top:7px;font-size:11px;font-style:normal;line-height:1.45;color:#8b342d}
.sds-report-wrong-section{margin:20px 0 26px;padding:18px;border-radius:13px;background:var(--sds-sand)}.sds-report-wrong-section p{margin:0;color:var(--sds-muted)}.sds-report-wrong-section p.perfect{color:#17653a;font-weight:900}.sds-report-wrong-list{display:flex;gap:7px;flex-wrap:wrap}.sds-report-wrong-list span{display:inline-flex;gap:6px;padding:7px 10px;border-radius:999px;background:#fff;color:#7f2923;font-size:12px}.sds-report-wrong-list b{color:var(--sds-deep)}
@media(max-width:900px){.sds-review-area-summary,.sds-report-areas{grid-template-columns:repeat(2,minmax(0,1fr))}.sds-teacher-wrong-list{grid-template-columns:1fr}}
@media(max-width:580px){.sds-review-area-summary,.sds-report-areas{grid-template-columns:1fr}.sds-report>header h1{font-size:27px}.sds-report>header>b{font-size:42px}}