/* DAA Exercise Builder 1.2.0 */
.daa-exercise-hub,
.daa-exercise-manager {
    --daa-blue: #245edb;
    --daa-blue-dark: #1646a6;
    --daa-border: #b8c8e8;
    --daa-surface: #f7f9fe;
    --daa-text: #17243a;
    color: var(--daa-text);
    display: grid;
    gap: 1.25rem;
}

.daa-builder-hero {
    align-items: flex-start;
    background: linear-gradient(135deg, #174ba9 0%, #2c72dc 58%, #70a7f4 100%);
    border: 1px solid #123f91;
    border-radius: 10px;
    box-shadow: 0 8px 22px rgba(22, 70, 166, .2);
    color: #fff;
    display: flex;
    gap: 1.25rem;
    justify-content: space-between;
    padding: 1.35rem;
}

.daa-builder-hero h1,
.daa-builder-hero p { margin: .2rem 0 0; }
.daa-builder-hero .eyebrow { color: #dceaff; }

.daa-builder-meta {
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
    justify-content: flex-end;
}

.daa-builder-meta span,
.daa-status-chip {
    background: rgba(255, 255, 255, .16);
    border: 1px solid rgba(255, 255, 255, .5);
    border-radius: 999px;
    font-size: .82rem;
    font-weight: 700;
    padding: .35rem .65rem;
}

.daa-status-chip {
    background: #edf3ff;
    border-color: var(--daa-border);
    color: var(--daa-blue-dark);
}

.daa-builder-note,
.daa-builder-message,
.daa-empty-state {
    align-items: flex-start;
    background: #eef5ff;
    border: 1px solid #a9c5ef;
    border-left: 5px solid var(--daa-blue);
    border-radius: 7px;
    display: flex;
    flex-direction: column;
    gap: .2rem;
    padding: .85rem 1rem;
}

.daa-builder-message--success { background: #e9f8ed; border-color: #85c996; border-left-color: #27833d; }
.daa-builder-message--error { background: #fff0ef; border-color: #e5a29c; border-left-color: #b72e24; }

.daa-section-heading {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    justify-content: space-between;
    margin-bottom: .75rem;
}

.daa-section-heading h2,
.daa-section-heading p { margin: 0; }

.daa-hub-grid {
    display: grid;
    gap: .9rem;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.daa-hub-card {
    background: linear-gradient(180deg, #fff, #f2f6fd);
    border: 1px solid var(--daa-border);
    border-radius: 9px;
    box-shadow: 0 4px 12px rgba(33, 65, 120, .1);
    color: var(--daa-text);
    display: flex;
    flex-direction: column;
    gap: .35rem;
    min-height: 145px;
    padding: 1rem;
    text-decoration: none;
    transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}

.daa-hub-card:hover,
.daa-hub-card:focus-visible {
    border-color: var(--daa-blue);
    box-shadow: 0 8px 18px rgba(36, 94, 219, .18);
    outline: 0;
    transform: translateY(-2px);
}

.daa-hub-card span { color: var(--daa-blue-dark); font-size: .78rem; font-weight: 800; text-transform: uppercase; }
.daa-hub-card strong { font-size: 1.05rem; }
.daa-hub-card small { color: #53647f; flex: 1; line-height: 1.45; }
.daa-hub-card b { color: var(--daa-blue-dark); font-size: .88rem; }

.daa-published-section {
    background: linear-gradient(145deg, #f4fff6, #eaf6ff);
    border: 2px solid #79b98a;
    border-radius: 12px;
    box-shadow: 0 8px 22px rgba(39, 131, 61, .12);
    padding: 1rem;
}

.daa-published-heading {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: .8rem;
    justify-content: space-between;
    margin-bottom: .9rem;
}

.daa-published-heading h2,
.daa-published-heading p { margin: .2rem 0 0; }
.daa-published-heading > div { flex: 1 1 22rem; }
.daa-published-count {
    background: #237437;
    border-radius: 999px;
    color: #fff;
    padding: .45rem .75rem;
}

.daa-hub-card--published {
    border-color: #79b98a;
    border-width: 2px;
    min-height: 180px;
    position: relative;
}

.daa-hub-card--published:hover,
.daa-hub-card--published:focus-visible {
    border-color: #237437;
    box-shadow: 0 9px 20px rgba(35, 116, 55, .2);
}

.daa-hub-card--published .daa-published-badge {
    align-self: flex-start;
    background: #daf1df;
    border: 1px solid #79b98a;
    border-radius: 999px;
    color: #1d6a31;
    padding: .25rem .48rem;
}

.daa-hub-card--published em {
    color: var(--daa-blue-dark);
    font-size: .78rem;
    font-style: normal;
    font-weight: 800;
    text-transform: uppercase;
}

.daa-hub-card--published strong { font-size: 1.12rem; }
.daa-hub-card--published b { color: #1d6a31; font-size: .95rem; }

.daa-filterbar,
.daa-inline-actions {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
}

.daa-filterbar {
    background: var(--daa-surface);
    border: 1px solid var(--daa-border);
    border-radius: 7px;
    margin-bottom: .9rem;
    padding: .7rem;
}

.daa-filterbar label { display: flex; align-items: center; gap: .4rem; font-weight: 700; }
.daa-filterbar select { min-width: 145px; }

.daa-manager-layout {
    align-items: start;
    display: grid;
    gap: 1rem;
    grid-template-columns: minmax(210px, 280px) minmax(0, 1fr);
}

.daa-manager-list,
.daa-form-section,
.daa-question,
.daa-question-editor {
    background: #fff;
    border: 1px solid var(--daa-border);
    border-radius: 9px;
    box-shadow: 0 3px 10px rgba(24, 58, 112, .08);
}

.daa-manager-list { display: grid; gap: .5rem; max-height: calc(100vh - 4rem); overflow: auto; padding: .8rem; position: sticky; top: .5rem; }
.daa-manager-list__summary { color: #66758e; font-size: .82rem; margin: -.35rem 0 .25rem; }
.daa-manager-list__item { border: 1px solid #d4deef; border-radius: 6px; color: var(--daa-text); display: flex; flex-direction: column; gap: .15rem; padding: .65rem; text-decoration: none; }
.daa-manager-list__top { align-items: center; color: var(--daa-blue-dark); display: flex; font-size: .75rem; font-weight: 800; gap: .4rem; justify-content: space-between; text-transform: uppercase; }
.daa-manager-list__top b { font-size: inherit; }
.daa-manager-list__item small { color: #66758e; }
.daa-manager-list__item:hover,
.daa-manager-list__item:focus-visible,
.daa-manager-list__item.is-current { background: #eef5ff; border-color: var(--daa-blue); outline: 0; }
.daa-manager-list__item--published { border-left: 5px solid #27833d; }
.daa-manager-list__item--draft { border-left: 5px solid #c78a18; }
.daa-manager-list__item--review { border-left: 5px solid #6e64bd; }
.daa-manager-list__item--archived { border-left: 5px solid #7a8799; opacity: .82; }

.daa-set-status {
    border-radius: 999px;
    font-size: .68rem;
    font-style: normal;
    padding: .2rem .42rem;
}
.daa-set-status--published,
.daa-status-chip--published { background: #daf1df; border-color: #79b98a; color: #1d6a31; }
.daa-set-status--draft,
.daa-status-chip--draft { background: #fff1d7; border-color: #e0b45d; color: #805400; }
.daa-set-status--review,
.daa-status-chip--review { background: #ece9ff; border-color: #aaa1e5; color: #51469e; }
.daa-set-status--archived,
.daa-status-chip--archived { background: #e9edf2; border-color: #b6bfca; color: #526172; }

.daa-builder-form { display: grid; gap: 1rem; min-width: 0; }
.daa-form-section { padding: 1rem; }
.daa-form-grid { display: grid; gap: .75rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.daa-field { display: flex; flex-direction: column; gap: .3rem; font-weight: 700; min-width: 0; }
.daa-field--wide { grid-column: 1 / -1; }

.daa-field input,
.daa-field select,
.daa-field textarea,
.daa-filterbar select,
.daa-runtime-field input,
.daa-runtime-field textarea,
.daa-answer-table input,
.daa-option-row input[type="text"],
.daa-table-editor-row input {
    background: #fff;
    border: 1px solid #899bb9;
    border-radius: 4px;
    box-sizing: border-box;
    color: #111827;
    font: inherit;
    min-height: 2.35rem;
    padding: .48rem .55rem;
    width: 100%;
}

.daa-field input:focus,
.daa-field select:focus,
.daa-field textarea:focus,
.daa-runtime-field input:focus,
.daa-runtime-field textarea:focus,
.daa-answer-table input:focus,
.daa-option-row input[type="text"]:focus,
.daa-table-editor-row input:focus {
    border-color: var(--daa-blue);
    box-shadow: 0 0 0 3px rgba(36, 94, 219, .18);
    outline: 0;
}

.daa-question-editor { display: grid; gap: .85rem; margin-bottom: .9rem; padding: 1rem; }
.daa-question-editor > header { align-items: center; border-bottom: 1px solid #dce4f2; display: flex; gap: .6rem; justify-content: space-between; padding-bottom: .65rem; }
.daa-question-editor h3 { margin: 0; }
.daa-type-fields { background: var(--daa-surface); border: 1px solid #d6e0f0; border-radius: 7px; display: grid; gap: .65rem; padding: .8rem; }
.daa-field-help { color: #50617c; font-size: .88rem; }
.daa-option-row { align-items: center; display: grid; gap: .5rem; grid-template-columns: auto minmax(0, 1fr) auto; margin-bottom: .5rem; }
.daa-table-editor-row { display: grid; gap: .5rem; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto; margin-bottom: .5rem; }
.daa-form-actions { align-items: center; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; }
.daa-form-actions p { color: #596981; margin: .2rem 0 0; }
.daa-delete-help { color: #6d3440; flex-basis: 100%; line-height: 1.4; }
.xp-button--danger { background: linear-gradient(#ef766e, #b72e24) !important; border-color: #7f1f19 !important; color: #fff !important; }

.daa-runtime { display: grid; gap: 1rem; }
.daa-runtime__progress,
.daa-runtime__result { align-items: center; background: #edf3ff; border: 1px solid var(--daa-border); border-radius: 7px; display: flex; flex-wrap: wrap; gap: .7rem; justify-content: space-between; padding: .75rem 1rem; }
.daa-runtime__result { background: #e9f8ed; border-color: #85c996; font-weight: 800; }
.daa-question { overflow: hidden; }
.daa-question > header { background: linear-gradient(#eef4ff, #dce8fb); border-bottom: 1px solid var(--daa-border); padding: .75rem 1rem; }
.daa-question > header span { color: var(--daa-blue-dark); font-size: .78rem; font-weight: 800; text-transform: uppercase; }
.daa-question > header h2 { font-size: 1.08rem; margin: .2rem 0 0; }
.daa-question__prompt,
.daa-answer-options,
.daa-runtime-field,
.daa-table-wrap,
.daa-question__actions,
.daa-question__feedback { margin: .85rem 1rem; }
.daa-answer-options { display: grid; gap: .55rem; }
.daa-answer-options--inline { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.daa-answer-options label { align-items: flex-start; background: #f8faff; border: 1px solid #dce4f2; border-radius: 6px; display: flex; gap: .55rem; padding: .65rem; }
.daa-runtime-field { display: flex; flex-direction: column; font-weight: 700; gap: .3rem; }
.daa-question__actions { display: flex; flex-wrap: wrap; gap: .55rem; }
.daa-question__feedback { font-weight: 800; min-height: 1.25rem; }
.daa-question.is-correct { border-color: #54a866; box-shadow: 0 0 0 3px rgba(55, 148, 76, .12); }
.daa-question.is-correct .daa-question__feedback { color: #237437; }
.daa-question.is-wrong { border-color: #d66b62; box-shadow: 0 0 0 3px rgba(187, 55, 43, .1); }
.daa-question.is-wrong .daa-question__feedback { color: #a32920; }
.daa-question__solution { background: #f5f8fe; border-top: 1px solid #d5dfef; padding: .9rem 1rem; }
.daa-question__solution h3 { margin-top: 0; }
.daa-question__explanation { border-left: 4px solid var(--daa-blue); margin-top: .8rem; padding-left: .75rem; }
.daa-answer-table { border-collapse: collapse; width: 100%; }
.daa-answer-table th,
.daa-answer-table td { border: 1px solid #bdcae0; padding: .55rem; text-align: left; }
.daa-answer-table th { background: #eef4ff; }

.daa-hub-entry {
    align-items: center;
    background: linear-gradient(135deg, #edf4ff, #dbe9ff);
    border: 1px solid #9dbbea;
    border-left: 6px solid var(--daa-blue, #245edb);
    border-radius: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: space-between;
    margin-top: 1rem;
    padding: 1rem;
}
.daa-hub-entry h2,
.daa-hub-entry p { margin: .2rem 0 0; }
.daa-hub-entry__actions { align-items: stretch; display: grid; gap: .55rem; grid-template-columns: repeat(2, minmax(11rem, 1fr)); min-width: 24rem; }
.daa-hub-entry__actions .xp-button { justify-content: center; text-align: center; }
@media (max-width: 850px) {
    .daa-manager-layout { grid-template-columns: 1fr; }
    .daa-manager-list { position: static; }
    .daa-hub-entry { align-items: stretch; flex-direction: column; }
    .daa-hub-entry__actions { grid-template-columns: 1fr; min-width: 0; width: 100%; }
}

@media (max-width: 620px) {
    .daa-builder-hero { flex-direction: column; }
    .daa-builder-meta { justify-content: flex-start; }
    .daa-form-grid { grid-template-columns: 1fr; }
    .daa-field--wide { grid-column: auto; }
    .daa-option-row,
    .daa-table-editor-row { grid-template-columns: auto minmax(0, 1fr); }
    .daa-option-row .xp-button,
    .daa-table-editor-row .xp-button { grid-column: 2; }
}

@media (prefers-reduced-motion: reduce) {
    .daa-hub-card { transition: none; }
}