.aimuos-app{--a-ink:#17334a;--a-blue:#155c89;--a-line:#dce5ee;--a-soft:#f2f6fb;--a-shadow:0 10px 28px rgba(24,53,79,.07);color:var(--a-ink);font:inherit;max-width:1260px;margin:24px 20px 40px 0}
.aimuos-app *{box-sizing:border-box}.aimuos-app h1,.aimuos-app h2,.aimuos-app h3{color:var(--a-ink);line-height:1.2}.aimuos-app p{line-height:1.55}
.aimuos-frontend{max-width:1130px;margin:24px auto;padding:0 16px}.aimuos-app .aimuos-hero{border-radius:18px;padding:31px 34px;background:linear-gradient(115deg,#11344f,#226895);color:#fff;box-shadow:var(--a-shadow);margin-bottom:24px}
.aimuos-hero h1,.aimuos-hero h2{color:white!important;font-size:clamp(1.6rem,2.4vw,2.4rem);margin:8px 0}.aimuos-hero p{color:#e4eff7;margin:9px 0 0;max-width:760px}.aimuos-hero>span,.aimuos-hero>div>span{font-size:12px;font-weight:750;letter-spacing:2px;color:#d5e8f8}
.aimuos-student-hero{display:flex;gap:25px;justify-content:space-between;align-items:center;position:relative;overflow:hidden}.aimuos-hero-stats{display:flex;gap:10px;flex-shrink:0}.aimuos-hero-stats>div{display:flex;min-width:90px;flex-direction:column;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.24);border-radius:10px;text-align:center;padding:15px 9px}.aimuos-hero-stats b{color:#fff;font-size:23px}.aimuos-hero-stats small{color:#e3f2fa;font-size:12px}
.aimuos-app .aimuos-card{background:#fff;border-radius:14px;padding:25px;margin:20px 0;border:1px solid var(--a-line);box-shadow:var(--a-shadow)}.aimuos-app .aimuos-card>h2{margin-top:0;font-size:19px}
.aimuos-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.aimuos-stats>div{background:white;border:1px solid var(--a-line);padding:20px;border-radius:13px;display:flex;flex-direction:column;gap:7px}.aimuos-stats b{font-size:25px}.aimuos-stats span{color:#607083}
.aimuos-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.aimuos-app label:not(.aimuos-check){display:flex;flex-direction:column;gap:7px;font-weight:650;margin:13px 0}.aimuos-app input:not([type=checkbox]),.aimuos-app textarea,.aimuos-app select{border:1px solid #bfcbd8;border-radius:8px;padding:11px;width:100%;max-width:100%;background:#fff;color:#132e42;min-height:42px;font-size:14px}
.aimuos-app textarea{resize:vertical;line-height:1.5;min-height:110px}.aimuos-app label small,.aimuos-help{color:#657589;font-size:12px;font-weight:450}.aimuos-app .aimuos-check{display:flex;align-items:flex-start;gap:10px;margin:18px 0;font-weight:550}.aimuos-app input[type=checkbox]{margin-top:4px}.aimuos-app button,.aimuos-app .button,.aimuos-button{cursor:pointer;min-height:38px}
.aimuos-app .aimuos-primary,.aimuos-app .button-primary{background:#196c9d;border:1px solid #196c9d;color:#fff;padding:10px 18px;border-radius:8px;font-weight:650}.aimuos-app .aimuos-primary:hover,.aimuos-app .button-primary:hover{background:#104d75;color:#fff}
.aimuos-app .aimuos-scroll{overflow-x:auto}.aimuos-app table{width:100%;min-width:650px;border-collapse:collapse}.aimuos-app th,.aimuos-app td{text-align:left;padding:12px;border-bottom:1px solid var(--a-line)}.aimuos-app th{font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:#526779}.aimuos-roster{background:#f2f7fb;border:1px dashed #9fbbd0;border-radius:11px;padding:14px;margin:14px 0;font-size:14px}.aimuos-roster ul{columns:3;margin:8px 0;padding-left:18px;max-height:230px;overflow:auto}
.aimuos-tab-list{display:flex;gap:8px;border-bottom:1px solid var(--a-line);margin-bottom:-1px}.aimuos-tab{border:1px solid var(--a-line);border-bottom:0;border-radius:11px 11px 0 0;background:#f1f6fa;color:#23465f;padding:15px 23px;font-weight:700}.aimuos-tab.is-active{background:white;color:#0f6398;border-top:3px solid #0f6398;padding-top:13px}.aimuos-frontend .aimuos-panel{border-top-left-radius:0;margin-top:0}.aimuos-section{display:flex;align-items:center;gap:12px;margin-bottom:19px}.aimuos-section h3{margin:0;font-size:20px}.aimuos-step{background:#e9f4ff;color:#176995;font-size:13px;font-weight:750;border-radius:100px;width:31px;height:31px;display:grid;place-items:center}
.aimuos-note{background:#edf5fb;color:#1d4d69;border-left:4px solid #407aa0;padding:15px;border-radius:5px;line-height:1.5;margin:14px 0}.aimuos-note strong{display:inline}.aimuos-note.aimuos-alert{background:#fff7eb;color:#704f1b;border-color:#bd8531}.aimuos-note.aimuos-good{background:#eaf8ed;color:#145a31;border-color:#3d9c5a}
.aimuos-app .aimuos-upload-form>label:not(.aimuos-check){margin:18px 0}.aimuos-empty{background:#f5f8fc;border:1px dashed #c2d5e4;text-align:center;padding:36px 18px;border-radius:9px;color:#516a7e}.aimuos-empty strong{color:#174360}.aimuos-search{max-width:420px}.aimuos-history{border:1px solid var(--a-line);border-radius:12px;padding:18px 20px;margin:17px 0;background:#fff}.aimuos-history-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:15px}.aimuos-history-heading strong{font-size:17px}.aimuos-history-heading p{margin:8px 0;font-size:13px;color:#526477}.aimuos-chip{display:inline-flex;align-items:center;border:1px solid #cfdfed;background:#f2f7fc;color:#205b7d;border-radius:100px;padding:6px 12px;font-size:12px;font-weight:700;white-space:nowrap}.aimuos-feedback{border-radius:9px;background:#f5f8fc;padding:14px 17px;margin:16px 0}.aimuos-feedback p{white-space:pre-line}.aimuos-history details,.aimuos-feedback details{margin:12px 0}.aimuos-app summary{cursor:pointer;color:#17618d;font-weight:650;padding:5px 0}.aimuos-ac{border-top:1px solid var(--a-line);padding:11px 0}.aimuos-ac p{font-size:14px}.aimuos-history[hidden]{display:none!important}
.aimuos-app :focus-visible{outline:3px solid #1a7ab8;outline-offset:3px}
@media(max-width:880px){.aimuos-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.aimuos-student-hero{flex-wrap:wrap}.aimuos-hero-stats{width:100%}.aimuos-hero-stats>div{flex:1}}
@media(max-width:620px){.aimuos-app{margin:12px 10px 35px 0}.aimuos-frontend{margin:12px auto;padding:0 8px}.aimuos-app .aimuos-hero,.aimuos-app .aimuos-card{padding:20px 15px}.aimuos-grid,.aimuos-stats{grid-template-columns:minmax(0,1fr)}.aimuos-tab{flex:1;padding:13px 10px;font-size:12px}.aimuos-history-heading{flex-direction:column}.aimuos-roster ul{columns:1}.aimuos-hero-stats>div{min-width:0}}
/* AIMu v1.0.1: scannable learner roster with WP display names and email. */
.aimuos-app .aimuos-roster-list{max-height:340px;overflow-y:auto;border:1px solid var(--a-line);border-radius:8px;background:#fff;margin-top:10px;display:grid;grid-template-columns:repeat(auto-fit,minmax(310px,1fr));gap:0 14px;padding:6px 10px}
.aimuos-app .aimuos-roster-choice{display:flex!important;align-items:flex-start;gap:9px;border-bottom:1px solid #e7edf4;font-weight:450!important;padding:9px 3px;margin:0!important;min-width:0;overflow-wrap:anywhere;cursor:pointer}
.aimuos-app .aimuos-roster-choice input[type=checkbox]{flex:none;margin:3px 0 0}
.aimuos-app .aimuos-roster-choice span{flex:1}.aimuos-app .aimuos-roster-choice[hidden]{display:none!important}
.aimuos-app .aimuos-roster-filter{margin-top:14px;max-width:650px}.aimuos-app .aimuos-user-results{max-height:230px;overflow-y:auto;border-radius:9px;margin:9px 0 18px}
.aimuos-selected-manual{background:#f5f8fb;border:1px solid var(--a-line);border-radius:8px;padding:13px;margin:14px 0}
.aimuos-selected-manual>div{display:flex;gap:7px;flex-wrap:wrap;padding-top:8px}
.aimuos-manual-tag{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid #c9d9e8;border-radius:8px;padding:6px 8px;font-size:13px}
.aimuos-app .aimuos-selection-count{font-weight:700;color:#0b5b84}
@media(max-width:650px){.aimuos-app .aimuos-roster-list{grid-template-columns:minmax(0,1fr)}}

.aimuos-app .aimuos-name-preview{background:#ebf5fc;padding:12px 16px;border-left:4px solid #176c9d;border-radius:7px;overflow-wrap:anywhere}

.aimuos-doc-dialog{max-width:min(850px,95vw);width:95vw;border:1px solid #cbd5e1;border-radius:12px;padding:20px;box-shadow:0 18px 60px #0005;max-height:90vh;overflow:auto}.aimuos-doc-dialog::backdrop{background:#18223999}.aimuos-dialog-actions{text-align:right}.aimuos-doc-dialog .aimuos-card{box-shadow:none;border:0}

/* v1.0.6: Operational controls and accessible modal dialogs */
.aimuos-app .aimuos-table-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap;min-width:210px}
.aimuos-app .aimuos-danger{color:#9d1b28;border-color:#b42335;background:#fff}
.aimuos-app .aimuos-danger:hover,.aimuos-app .aimuos-danger:focus{background:#b42335;color:#fff;border-color:#b42335}
.aimuos-app .aimuos-table-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:15px}
.aimuos-app .aimuos-table-heading h2{margin:0}
.aimuos-doc-dialog{position:fixed;inset:0;margin:auto;max-width:min(900px,calc(100vw - 32px));max-height:90dvh;overflow:auto;border:1px solid #b9cfe1;border-radius:14px;padding:23px;background:#fff;color:#17334a;box-shadow:0 25px 75px #051e3890;z-index:100050}
.aimuos-doc-dialog::backdrop{background:#0b223c99}
.aimuos-doc-dialog .aimuos-card{margin:8px 0;padding:12px 0;border:0;box-shadow:none}
.aimuos-doc-dialog .aimuos-dialog-actions{display:flex;justify-content:flex-end;margin-bottom:10px}
@media(max-width:620px){.aimuos-app .aimuos-table-heading{align-items:stretch}.aimuos-app .aimuos-table-actions{min-width:0}}

/* v1.0.10: prevent long source filenames from overlapping the adjacent column. */
.aimuos-app .aimuos-grid>div{min-width:0;overflow-wrap:anywhere}
.aimuos-app .aimuos-source-filename{overflow-wrap:anywhere;word-break:break-word}
.aimuos-app .aimuos-marking-readiness{margin-top:15px;padding:12px 15px;background:#f0f6fa;border-left:4px solid #176c9d;border-radius:7px;overflow-wrap:anywhere}
.aimuos-app .aimuos-marking-readiness p{margin:6px 0 0}

/* v1.0.11: accessible reload action next to learner history heading. */
.aimuos-frontend .aimuos-refresh{margin-left:auto;background:#f1f7fb;color:#175d87;border:1px solid #bdd5e7;border-radius:8px;padding:8px 12px;font-weight:650}.aimuos-frontend .aimuos-refresh:hover{background:#dcecf7}.aimuos-file-count{background:#f1f7fb;color:#174963;border-left:4px solid #236d95;padding:11px 14px;border-radius:6px;font-weight:650}
/* v1.0.12: learner review of every selected original before final submission. */
.aimuos-frontend [data-aimuos-selected-files]{background:#f7fafc;border:1px solid #d5e2ec;border-radius:9px;padding:12px 15px;margin:10px 0;color:#1b435b}
.aimuos-frontend [data-aimuos-selected-files]:empty{display:none}
.aimuos-frontend [data-aimuos-selected-files] strong{display:block;margin-bottom:8px}
.aimuos-frontend [data-aimuos-selected-files] ol{margin:0;padding-left:21px;max-height:280px;overflow:auto;overflow-wrap:anywhere}
.aimuos-frontend [data-aimuos-selected-files] li{padding:3px 0}

/* v1.0.19 — academically qualified, visible preliminary decisions. */
.aimuos-prelim-result{padding:12px 14px;background:#eaf3fc;border-left:3px solid #226e9e;border-radius:3px;font-size:1.07em}
.aimuos-ac-summary{margin:12px 0;padding:12px 14px;background:#f7fafc;border:1px solid #e0e8ee;border-radius:6px}
.aimuos-ac-summary ul{margin:8px 0 0 18px;padding:0}
.aimuos-ac-summary li{margin:6px 0}
.aimuos-prelim-caveat{border-left:3px solid #ba861f;padding:7px 12px;background:#fff9ed}