html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
}

a, .btn-link {
    color: #006bb7;
}

.btn-primary {
    color: #fff;
    background-color: #1b6ec2;
    border-color: #1861ac;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

/* ══════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════ */
.arc-hero {
    background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 60%, #0EA5E9 100%);
    color: #fff;
    padding: 3.5rem 1.5rem;
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

    .arc-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    }

.arc-hero-inner {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.arc-hero-text {
    width: 100%;
    text-align: center;
    margin-top: 1rem;
}

.arc-logo-mark {
    font-size: 2.5rem;
    margin-bottom: .5rem;
}

.arc-hero h1 {
    font-size: clamp(1.5rem,4vw,2.4rem);
    margin-bottom: .5rem;
    font-weight: 800;
}

.arc-hero p {
    opacity: .9;
    max-width: 560px;
    margin: 0 auto;
    font-size: 1.05rem;
}

/* Hero logo pill */
.arc-hero-logo-pill {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.2);
    border-radius: 999px;
    padding: .35rem .9rem;
    margin-bottom: 1.25rem;
    animation: arc-hero-fade-up .45s ease both;
}

.arc-hero-logo-name {
    font-size: .85rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: .3px;
}

.arc-hero-logo-badge {
    font-size: .68rem;
    background: rgba(167,139,250,.35);
    color: #c4b5fd;
    padding: .12rem .45rem;
    border-radius: 999px;
    font-weight: 600;
    letter-spacing: .3px;
}

/* Hero title animation */
.arc-hero h1 {
    animation: arc-hero-fade-up .5s .08s ease both;
    opacity: 0;
}

.arc-hero p {
    animation: arc-hero-fade-up .5s .18s ease both;
    opacity: 0;
}

/* Hero feature pills */
.arc-hero-pills {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    justify-content: center;
    margin-top: 1.25rem;
    animation: arc-hero-fade-up .5s .28s ease both;
    opacity: 0;
}

.arc-hero-pill {
    font-size: .78rem;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.15);
    color: rgba(255,255,255,.88);
    padding: .3rem .8rem;
    border-radius: 999px;
    font-weight: 500;
}
.arc-hero-logo-img {
    height: 18px;
    max-width: 120px;
    width: auto;
    object-fit: contain;
    align-self: flex-start;
}

/* Hero background glow */
.arc-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 15% 50%, rgba(167,139,250,.13) 0%, transparent 60%), radial-gradient(ellipse at 85% 20%, rgba(96,165,250,.1) 0%, transparent 55%);
    pointer-events: none;
}

/* Fade-up keyframe */
@keyframes arc-hero-fade-up {
    from {
        opacity: 0;
        transform: translateY(14px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Rich audience card */
.arc-audience-card--rich {
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
    gap: .9rem;
    padding: 1.4rem 1.25rem;
}

    .arc-audience-card--rich .arc-audience-icon {
        font-size: 1.8rem;
        flex-shrink: 0;
        margin-top: .1rem;
    }

    .arc-audience-card--rich div {
        display: flex;
        flex-direction: column;
        gap: .3rem;
    }

    .arc-audience-card--rich strong {
        font-size: 1rem;
        color: #0F172A;
    }

.arc-audience-desc {
    font-size: .82rem;
    color: #64748B;
    line-height: 1.5;
}

.arc-audience-tag {
    display: inline-block;
    font-size: .7rem;
    background: #EEF2FF;
    color: #4F46E5;
    padding: .18rem .55rem;
    border-radius: 999px;
    font-weight: 600;
    width: fit-content;
    margin-top: .15rem;
}

/* ══════════════════════════════════════════════════════
   BACK BAR
══════════════════════════════════════════════════════ */
.arc-back-bar {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .5rem 0 1.25rem;
}

.arc-btn-ghost {
    background: none;
    border: 1.5px solid #E2E8F0;
    color: #4F46E5;
    padding: .35rem .85rem;
    border-radius: 8px;
    font-size: .85rem;
    cursor: pointer;
    font-weight: 600;
}

    .arc-btn-ghost:hover {
        background: #EEF2FF;
    }

.arc-audience-pill {
    background: #EEF2FF;
    color: #4F46E5;
    padding: .3rem .8rem;
    border-radius: 999px;
    font-size: .8rem;
    font-weight: 600;
}

.arc-mode-pill {
    background: #F0FDF4;
    color: #166534;
    padding: .3rem .8rem;
    border-radius: 999px;
    font-size: .8rem;
    font-weight: 600;
}

/* ══════════════════════════════════════════════════════
   WIZARD CONTAINER
══════════════════════════════════════════════════════ */
.arc-wizard-container {
    max-width: 720px;
    margin: 0 auto 2rem;
    background: #fff;
    border: 1px solid #E2E8F0;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    box-shadow: 0 4px 20px rgba(79,70,229,.08);
}

.arc-wizard-step-label {
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #4F46E5;
    margin-bottom: .6rem;
}

.arc-wizard-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: #0F172A;
    margin-bottom: .4rem;
}

.arc-wizard-sub {
    color: #64748B;
    font-size: .92rem;
    margin-bottom: 1.75rem;
}

.arc-wizard-actions {
    display: flex;
    gap: .75rem;
    justify-content: flex-end;
    margin-top: 1.75rem;
    flex-wrap: wrap;
}

/* ── Audience grid ── */
.arc-audience-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: .5rem;
}

.arc-audience-grid-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

.arc-audience-card {
    border: 2px solid #E2E8F0;
    border-radius: 14px;
    padding: 1.75rem 1rem;
    text-align: center;
    background: #fff;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .45rem;
    transition: border-color .18s, box-shadow .18s, transform .18s;
}

    .arc-audience-card:hover, .arc-audience-card--active {
        border-color: #4F46E5;
        box-shadow: 0 4px 16px rgba(79,70,229,.15);
        transform: translateY(-2px);
    }

.arc-audience-card--active {
    background: #EEF2FF;
}

.arc-audience-icon {
    font-size: 2rem;
}

.arc-audience-card strong {
    font-size: 1rem;
    color: #0F172A;
}

.arc-audience-desc {
    font-size: .78rem;
    color: #94A3B8;
}

/* ── Mode grid ── */
.arc-mode-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.arc-mode-card {
    border: 2px solid #E2E8F0;
    border-radius: 14px;
    padding: 1.75rem 1.25rem;
    text-align: left;
    background: #fff;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: .5rem;
    transition: border-color .18s, box-shadow .18s, transform .18s;
}

    .arc-mode-card:hover {
        border-color: #4F46E5;
        box-shadow: 0 4px 16px rgba(79,70,229,.15);
        transform: translateY(-2px);
    }

.arc-mode-icon {
    font-size: 2rem;
}

.arc-mode-card strong {
    font-size: 1rem;
    color: #0F172A;
}

.arc-mode-desc {
    font-size: .82rem;
    color: #64748B;
    line-height: 1.5;
}

/* ══════════════════════════════════════════════════════
   TOPIC AREA SELECTION GRID
══════════════════════════════════════════════════════ */
.arc-wizard-container--wide {
    max-width: 900px;
}

.arc-area-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: .65rem;
    margin-bottom: 1.25rem;
}

.arc-area-chip {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .65rem .9rem;
    border-radius: 10px;
    border: 2px solid #E2E8F0;
    background: #F8FAFC;
    cursor: pointer;
    text-align: left;
    transition: border-color .15s, background .15s, transform .12s;
    font-size: .83rem;
    color: #334155;
    font-weight: 500;
    position: relative;
}

    .arc-area-chip:hover {
        border-color: #4F46E5;
        background: #EEF2FF;
        transform: translateY(-1px);
    }

.arc-area-chip--selected {
    border-color: #4F46E5;
    background: #EEF2FF;
    color: #3730A3;
    box-shadow: 0 0 0 3px rgba(79,70,229,.15);
}

.arc-area-chip-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
}

.arc-area-chip-label {
    flex: 1;
    line-height: 1.3;
}

.arc-area-chip-check {
    font-size: .75rem;
    color: #4F46E5;
    font-weight: 800;
    background: #C7D2FE;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.arc-selected-area-banner {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .7rem 1rem;
    background: #EEF2FF;
    border: 1px solid #C7D2FE;
    border-radius: 8px;
    font-size: .88rem;
    color: #3730A3;
    margin-bottom: 1rem;
}

.arc-clear-btn {
    background: none;
    border: none;
    color: #6366F1;
    cursor: pointer;
    font-size: .8rem;
    font-weight: 600;
    padding: .1rem .4rem;
    border-radius: 4px;
}

    .arc-clear-btn:hover {
        background: #C7D2FE;
    }

/* ══════════════════════════════════════════════════════
   RESULT HEADER
══════════════════════════════════════════════════════ */
.arc-result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .75rem;
    margin-bottom: 1.25rem;
    padding: .75rem 1rem;
    background: #fff;
    border: 1px solid #E2E8F0;
    border-radius: 10px;
}

.arc-result-meta {
    display: flex;
    align-items: center;
    gap: .6rem;
    flex-wrap: wrap;
}

.arc-result-query {
    font-size: .9rem;
    color: #64748B;
}

.arc-result-actions {
    display: flex;
    align-items: center;
    gap: .6rem;
    flex-wrap: wrap;
}

/* ══════════════════════════════════════════════════════
   BUTTONS
══════════════════════════════════════════════════════ */
.arc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: .65rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .18s, opacity .18s;
}

    .arc-btn:disabled {
        opacity: .5;
        cursor: not-allowed;
    }

.arc-btn-primary {
    background: #4F46E5;
    color: #fff;
}

    .arc-btn-primary:hover:not(:disabled) {
        background: #3730A3;
    }

.arc-btn-ghost-sm {
    background: none;
    border: 1.5px solid #E2E8F0;
    color: #4F46E5;
    padding: .4rem .9rem;
    border-radius: 8px;
    font-size: .85rem;
    cursor: pointer;
    font-weight: 600;
}

    .arc-btn-ghost-sm:hover {
        background: #EEF2FF;
    }

.arc-btn-outline {
    background: none;
    border: 1.5px solid #4F46E5;
    color: #4F46E5;
    padding: .45rem 1rem;
    border-radius: 8px;
    font-size: .82rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    margin-top: .5rem;
}

    .arc-btn-outline:hover {
        background: #EEF2FF;
    }

.arc-btn-sm {
    padding: .35rem .8rem;
    font-size: .82rem;
}

.arc-btn-download {
    gap: .4rem;
}

/* ══════════════════════════════════════════════════════
   SUMMARY PANEL (Customer/Partner results)
══════════════════════════════════════════════════════ */
.arc-summary-panel {
    background: #fff;
    border: 1px solid #E2E8F0;
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.25rem;
    box-shadow: 0 1px 6px rgba(0,0,0,.05);
}

.arc-summary-title {
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .5px;
    text-transform: uppercase;
    color: #64748B;
    margin-bottom: .85rem;
}

.arc-summary-stats {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.arc-summary-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 72px;
    text-align: center;
}

.arc-summary-n {
    font-size: 1.75rem;
    font-weight: 800;
    color: #4F46E5;
    line-height: 1;
}

.arc-summary-label {
    font-size: .72rem;
    color: #94A3B8;
    margin-top: .15rem;
    white-space: nowrap;
}

.arc-summary-stat--hl .arc-summary-n {
    color: #4F46E5;
}

.arc-summary-stat--hl {
    background: #EEF2FF;
    border-radius: 8px;
    padding: .4rem .6rem;
}

.arc-summary-stat--match .arc-summary-n {
    color: #059669;
}

.arc-summary-stat--match {
    background: #F0FDF4;
    border-radius: 8px;
    padding: .4rem .6rem;
}

.arc-summary-stat--warn .arc-summary-n {
    color: #B45309;
}

.arc-summary-stat--warn {
    background: #FEF3C7;
    border-radius: 8px;
    padding: .4rem .6rem;
}

.arc-summary-divider {
    width: 1px;
    height: 40px;
    background: #E2E8F0;
    flex-shrink: 0;
}

/* ══════════════════════════════════════════════════════
   CUSTOMER/PARTNER GROUPED TABLE
══════════════════════════════════════════════════════ */
.arc-cp-table .arc-group-header {
    background: #F1F5F9;
    cursor: pointer;
    border-top: 2px solid #E2E8F0;
}

    .arc-cp-table .arc-group-header:hover {
        background: #E8EDF5;
    }

    .arc-cp-table .arc-group-header td {
        padding: .6rem 1rem;
        font-weight: 600;
        display: flex;
        align-items: center;
        gap: .6rem;
        flex-wrap: wrap;
    }
/* override table-cell display for flex row */
.arc-cp-table tbody tr.arc-group-header td[colspan] {
    display: table-cell;
}

.arc-group-toggle {
    font-size: .85rem;
    color: #64748B;
    width: 14px;
    flex-shrink: 0;
}

.arc-group-meta {
    font-size: .8rem;
    color: #64748B;
}

.arc-group-chip {
    font-size: .7rem;
    padding: .18rem .55rem;
    background: #EEF2FF;
    color: #4F46E5;
    border-radius: 999px;
    font-weight: 600;
}

.arc-group-chip--scen {
    background: #F0FDF4;
    color: #166534;
}

.arc-cp-row:hover {
    background: #F8FAFC;
}

.arc-cp-row td {
    vertical-align: top;
}

.arc-td-area {
    font-size: .82rem;
    color: #475569;
    min-width: 100px;
}

.arc-td-curriculum {
    font-size: .78rem;
    color: #64748B;
    min-width: 120px;
}

.arc-td-dur {
    font-size: .8rem;
    white-space: nowrap;
}

.arc-td-matches {
    max-width: 220px;
}


.arc-sku-label {
    font-size: .7rem;
    color: #94A3B8;
}

.arc-code {
    font-size: .75rem;
    background: #F1F5F9;
    padding: .1rem .35rem;
    border-radius: 4px;
}


/* Inline details (inside table cells) */
.arc-details--inline {
    font-size: .78rem;
}

    .arc-details--inline summary {
        cursor: pointer;
        color: #4F46E5;
        font-weight: 600;
        font-size: .78rem;
        margin-bottom: .2rem;
    }

    .arc-details--inline ul {
        padding-left: 1rem;
        color: #64748B;
        margin: .25rem 0 0;
    }

    .arc-details--inline li {
        margin-bottom: .1rem;
        line-height: 1.4;
    }


.arc-table-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .75rem;
    margin-bottom: .75rem;
    padding: .6rem .25rem;
}

.arc-table-toolbar-left {
    display: flex;
    align-items: center;
    gap: .65rem;
    flex-wrap: wrap;
}

.arc-total-count {
    font-size: .88rem;
    color: #64748B;
}

    .arc-total-count strong {
        color: #0F172A;
    }

.arc-removed-badge {
    font-size: .75rem;
    font-weight: 700;
    background: #FEE2E2;
    color: #B91C1C;
    padding: .2rem .6rem;
    border-radius: 999px;
}

.arc-restore-btn {
    background: none;
    border: 1.5px solid #E2E8F0;
    color: #4F46E5;
    padding: .2rem .7rem;
    border-radius: 6px;
    font-size: .78rem;
    font-weight: 600;
    cursor: pointer;
}

    .arc-restore-btn:hover {
        background: #EEF2FF;
    }

.arc-table-filters {
    display: flex;
    gap: .6rem;
    flex-wrap: wrap;
}

.arc-search-sm, .arc-select-sm {
    padding: .4rem .75rem;
    border: 1.5px solid #E2E8F0;
    border-radius: 8px;
    font-size: .82rem;
    background: #fff;
}

.arc-search-sm {
    min-width: 200px;
}

    .arc-search-sm:focus, .arc-select-sm:focus {
        outline: none;
        border-color: #4F46E5;
    }

/* Sort headers */
.arc-th-sort {
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

    .arc-th-sort:hover {
        background: rgba(255,255,255,.15);
    }

/* Remove column */
.arc-th-action {
    width: 36px;
    text-align: center;
    color: rgba(255,255,255,.7);
    font-size: .75rem;
}

.arc-td-action {
    text-align: center;
    padding: .4rem .5rem !important;
}

.arc-remove-btn {
    background: none;
    border: 1.5px solid #FCA5A5;
    color: #EF4444;
    border-radius: 6px;
    width: 26px;
    height: 26px;
    font-size: .75rem;
    font-weight: 800;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background .15s, color .15s;
}

    .arc-remove-btn:hover {
        background: #FEE2E2;
        border-color: #EF4444;
    }

.arc-table-empty {
    text-align: center;
    padding: 2rem;
    color: #94A3B8;
    font-style: italic;
}

.arc-table-wrap {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid #E2E8F0;
    margin-bottom: 1.5rem;
    box-shadow: 0 1px 6px rgba(0,0,0,.05);
}

.arc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .82rem;
    background: #fff;
}

    .arc-table thead tr {
        background: #4F46E5;
        color: #fff;
    }

    .arc-table th {
        padding: .75rem .9rem;
        text-align: left;
        font-weight: 700;
        font-size: .78rem;
        white-space: nowrap;
        border-bottom: 2px solid #3730A3;
    }

    .arc-table td {
        padding: .65rem .9rem;
        border-bottom: 1px solid #F1F5F9;
        vertical-align: top;
    }

    .arc-table tbody tr:hover {
        background: #F8FAFC;
    }

.arc-row-v2 td:first-child {
    border-left: 3px solid #0EA5E9;
}

.arc-td-course {
    font-weight: 600;
    min-width: 200px;
}

.arc-td-prereq {
    font-size: .75rem;
    color: #64748B;
    max-width: 300px;
}

.arc-td-avail {
    text-align: center;
}

.arc-link {
    color: #4F46E5;
    font-weight: 600;
    text-decoration: none;
    font-size: .8rem;
}

    .arc-link:hover {
        text-decoration: underline;
    }

.arc-no-link {
    color: #CBD5E1;
    font-size: .8rem;
}

/* ── Version badges ── */
.arc-ver-badge {
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .5px;
    text-transform: uppercase;
    padding: .18rem .55rem;
    border-radius: 999px;
}

.arc-ver-10 {
    background: #EDE9FE;
    color: #5B21B6;
}

.arc-ver-20 {
    background: #E0F2FE;
    color: #075985;
}

/* ══════════════════════════════════════════════════════
   EMPTY RESULT
══════════════════════════════════════════════════════ */
.arc-empty-result {
    text-align: center;
    padding: 3rem 1.5rem;
}

.arc-empty-icon {
    font-size: 3rem;
    margin-bottom: .75rem;
}

.arc-empty-result h3 {
    font-size: 1.2rem;
    margin-bottom: .5rem;
    color: #0F172A;
}

.arc-empty-result p {
    color: #64748B;
    margin-bottom: 1.5rem;
}

/* ══════════════════════════════════════════════════════
   COURSE CARDS (shared + internal variant)
══════════════════════════════════════════════════════ */
.arc-card {
    background: #fff;
    border: 1px solid #E2E8F0;
    border-radius: 12px;
    box-shadow: 0 1px 6px rgba(0,0,0,.07);
    padding: 1.75rem;
    margin-bottom: 1.5rem;
}

.arc-upload-card h2 {
    color: #4F46E5;
    margin-bottom: .4rem;
}

/* Explore-other-streams CTA card (Customer/Partner flow) */
.arc-explore-cta-card {
    display: flex;
    gap: 1.1rem;
    align-items: flex-start;
    background: linear-gradient(135deg, #F5F3FF 0%, #EEF2FF 100%);
    border: 1px solid #DDD6FE;
}

.arc-explore-cta-icon {
    font-size: 1.9rem;
    flex-shrink: 0;
}

.arc-explore-cta-body h3 {
    margin: 0 0 .4rem 0;
    color: #4F46E5;
    font-size: 1.05rem;
}

.arc-explore-cta-body p {
    color: #64748B;
    font-size: .88rem;
    line-height: 1.55;
    margin-bottom: 1rem;
}

/* Tech-stream sections (area picker, grouped by Platform / Experience / Insight) */
.arc-techstream-section {
    margin-bottom: 2rem;
}

.arc-techstream-header {
    display: flex;
    align-items: center;
    gap: .65rem;
    margin-bottom: .85rem;
}

.arc-techstream-sub {
    color: #64748B;
    font-size: .85rem;
}

/* Multi-select toggle state for mode cards (reused as task chips) */
.arc-mode-card--active {
    border-color: #4F46E5;
    background: #EEF2FF;
    box-shadow: 0 4px 16px rgba(79,70,229,.15);
}

/* Stream badges (Athena 2.0 sub-streams) */
.arc-domain-platform {
    background: #E0E7FF;
    color: #3730A3;
}

.arc-domain-experience {
    background: #FCE7F3;
    color: #9D174D;
}

.arc-domain-insight {
    background: #CCFBF1;
    color: #115E59;
}

.arc-hint {
    color: #64748B;
    font-size: .88rem;
    margin-bottom: 1.25rem;
}

.arc-info-note {
    background: #F0F9FF;
    border: 1px solid #BAE6FD;
    color: #075985;
    font-size: .82rem;
    border-radius: 8px;
    padding: .55rem .9rem;
    margin-bottom: 1.25rem;
}

.arc-drop-zone {
    border: 2px dashed #E2E8F0;
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    background: #F8FAFC;
}

    .arc-drop-zone:hover {
        border-color: #4F46E5;
    }

.arc-file-badge {
    display: inline-block;
    margin-top: .5rem;
    padding: .2rem .75rem;
    background: #EEF2FF;
    color: #4F46E5;
    border-radius: 999px;
    font-size: .82rem;
}

.arc-processing {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .75rem 1rem;
    background: #EEF2FF;
    color: #4F46E5;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-weight: 500;
}

.arc-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid #C7D2FE;
    border-top-color: #4F46E5;
    border-radius: 50%;
    animation: arc-spin .7s linear infinite;
    display: inline-block;
}

.arc-spinner-sm {
    width: 14px;
    height: 14px;
}

@keyframes arc-spin {
    to {
        transform: rotate(360deg);
    }
}

.arc-alert {
    padding: .75rem 1rem;
    border-radius: 8px;
    margin-bottom: .75rem;
    font-size: .88rem;
}

.arc-alert-warn {
    background: #FEF9C3;
    color: #713F12;
    border: 1px solid #FDE047;
}

.arc-alert-error {
    background: #FEE2E2;
    color: #7F1D1D;
    border: 1px solid #FCA5A5;
}

/* Stats bar */
.arc-stat-bar {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
}

.arc-stat {
    flex: 1;
    min-width: 110px;
    background: #fff;
    border: 1px solid #E2E8F0;
    border-radius: 10px;
    padding: .9rem 1rem;
    text-align: center;
    font-size: .78rem;
    color: #64748B;
    box-shadow: 0 1px 4px rgba(0,0,0,.05);
}

.arc-stat-n {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: #4F46E5;
    line-height: 1;
    margin-bottom: .2rem;
}

.arc-stat-hl {
    border-color: #4F46E5;
    background: #EEF2FF;
}

/* Filter bar */
.arc-filter-bar {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
}

.arc-search, .arc-select {
    padding: .5rem .85rem;
    border: 1.5px solid #E2E8F0;
    border-radius: 8px;
    font-size: .88rem;
    background: #fff;
}

.arc-search {
    flex: 1;
    min-width: 180px;
}

    .arc-search:focus, .arc-select:focus {
        outline: none;
        border-color: #4F46E5;
    }

/* Card grid */
.arc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill,minmax(300px,1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.arc-empty {
    grid-column: 1/-1;
    text-align: center;
    padding: 2.5rem;
    color: #94A3B8;
}

.arc-rec-card {
    background: #fff;
    border: 1px solid #E2E8F0;
    border-radius: 12px;
    padding: 1.2rem 1.4rem;
    display: flex;
    flex-direction: column;
    gap: .55rem;
    box-shadow: 0 1px 4px rgba(0,0,0,.05);
    transition: box-shadow .18s, transform .18s;
}

    .arc-rec-card:hover {
        box-shadow: 0 6px 20px rgba(0,0,0,.1);
        transform: translateY(-2px);
    }

.arc-rec-card--internal {
    border-top: 3px solid #4F46E5;
}

.arc-rec-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
    flex-wrap: wrap;
}

/* Domain badges */
.arc-domain-badge {
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    padding: .22rem .6rem;
    border-radius: 999px;
    background: #EEF2FF;
    color: #4F46E5;
}

.arc-domain-procurement {
    background: #EDE9FE;
    color: #5B21B6;
}

.arc-domain-scm {
    background: #DCFCE7;
    color: #14532D;
}

.arc-domain-crm {
    background: #FEF3C7;
    color: #78350F;
}

.arc-domain-finance {
    background: #D1FAE5;
    color: #065F46;
}

.arc-domain-hcm {
    background: #E0F2FE;
    color: #075985;
}

.arc-domain-asset-management {
    background: #FEE2E2;
    color: #7F1D1D;
}

.arc-domain-service-management {
    background: #F3E8FF;
    color: #6B21A8;
}

.arc-domain-manufacturing {
    background: #FFF7ED;
    color: #9A3412;
}

.arc-domain-projects {
    background: #ECFEFF;
    color: #164E63;
}

.arc-domain-sustainability {
    background: #D1FAE5;
    color: #065F46;
}

.arc-domain-aviation-maintenance {
    background: #FDF4FF;
    color: #701A75;
}

.arc-domain-ai-services {
    background: #F0F9FF;
    color: #0369A1;
}

.arc-domain-workflow {
    background: #FFF1F2;
    color: #9F1239;
}

.arc-domain-development {
    background: #FEFCE8;
    color: #854D0E;
}

.arc-domain-deployment {
    background: #F0FDF4;
    color: #14532D;
}


.arc-course-name {
    font-size: .98rem;
    font-weight: 700;
    line-height: 1.35;
}

.arc-subprocess {
    font-size: .83rem;
    color: #64748B;
}

.arc-chips {
    display: flex;
    flex-wrap: wrap;
    gap: .35rem;
}

.arc-chip {
    font-size: .73rem;
    padding: .18rem .5rem;
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-radius: 999px;
    color: #64748B;
}

.arc-chip-avail {
    background: #F0FDF4;
    border-color: #86EFAC;
    color: #166534;
}

.arc-details {
    font-size: .8rem;
    border-top: 1px solid #F1F5F9;
    padding-top: .5rem;
}

    .arc-details summary {
        cursor: pointer;
        font-weight: 600;
        color: #4F46E5;
        margin-bottom: .3rem;
    }

    .arc-details ul {
        padding-left: 1.1rem;
        color: #64748B;
    }

    .arc-details li {
        margin-bottom: .15rem;
    }

.arc-prereq-text {
    font-size: .78rem;
    color: #64748B;
    line-height: 1.5;
    padding-left: .5rem;
}

.arc-no-link-badge {
    font-size: .75rem;
    color: #94A3B8;
    margin-top: .5rem;
    display: inline-block;
}

/* Unmatched */
.arc-unmatched {
    background: #FFF7ED;
    border: 1px solid #FDE68A;
    border-radius: 10px;
    padding: .9rem 1.25rem;
    margin-top: .5rem;
}

    .arc-unmatched summary {
        cursor: pointer;
        font-weight: 600;
        color: #92400E;
    }

.arc-unmatched-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-top: .75rem;
}

    .arc-unmatched-grid h4 {
        font-size: .85rem;
        margin-bottom: .35rem;
    }

    .arc-unmatched-grid ul {
        padding-left: 1.1rem;
    }

    .arc-unmatched-grid li {
        font-size: .78rem;
        color: #78350F;
        margin-bottom: .12rem;
    }

/* ══════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════ */
@media (max-width: 600px) {
    .arc-grid, .arc-stat-bar, .arc-filter-bar, .arc-unmatched-grid,
    .arc-audience-grid, .arc-mode-grid, .arc-audience-grid-3, .arc-area-grid {
        grid-template-columns: 1fr;
        flex-direction: column;
    }

    .arc-wizard-container {
        padding: 1.5rem 1rem;
    }

    .arc-result-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .arc-table-wrap {
        font-size: .75rem;
    }
}

/* ══════════════════════════════════════════════════════
   CUSTOMER / PARTNER DRILL-DOWN UI
══════════════════════════════════════════════════════ */

/* ══════════════════════════════════════════════════════
   CUSTOMER/PARTNER RESULTS — DRILL-DOWN UI
══════════════════════════════════════════════════════ */

/* Results toolbar */
.arc-results-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    flex-wrap: wrap;
    margin-bottom: 1.75rem;
}

    .arc-results-toolbar .arc-search {
        flex: 1;
        min-width: 220px;
        max-width: 420px;
        font-size: .9rem;
        padding: .6rem 1rem;
    }

/* Domain section */
.arc-domain-section {
    margin-bottom: 2.5rem;
}

.arc-domain-section-header {
    display: flex;
    align-items: center;
    gap: .85rem;
    margin-bottom: 1.1rem;
    padding-bottom: .65rem;
    border-bottom: 2px solid #E2E8F0;
}

    .arc-domain-section-header .arc-domain-badge {
        font-size: .8rem;
        padding: .3rem .9rem;
    }

.arc-domain-section-count {
    font-size: .82rem;
    color: #94A3B8;
}

/* Area cards grid */
.arc-area-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1rem;
}

/* Area card */
.arc-area-card {
    background: #fff;
    border: 1.5px solid #E2E8F0;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 1px 5px rgba(0,0,0,.05);
    transition: border-color .18s, box-shadow .18s;
}

    .arc-area-card:hover {
        border-color: #A5B4FC;
        box-shadow: 0 4px 18px rgba(79,70,229,.1);
    }

.arc-area-card--open {
    border-color: #4F46E5;
    box-shadow: 0 6px 24px rgba(79,70,229,.14);
}

/* Area card header button */
.arc-area-card-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 1.3rem;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    gap: .85rem;
    transition: background .15s;
}

    .arc-area-card-header:hover {
        background: #F8FAFC;
    }

.arc-area-card--open .arc-area-card-header {
    background: linear-gradient(135deg, #EEF2FF, #F5F3FF);
    border-bottom: 1.5px solid #C7D2FE;
}

.arc-area-card-left {
    display: flex;
    align-items: center;
    gap: .85rem;
    flex: 1;
    min-width: 0;
}

.arc-area-card-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
    line-height: 1;
}

.arc-area-card-name {
    font-size: 1rem;
    font-weight: 700;
    color: #0F172A;
    line-height: 1.3;
}

.arc-area-card-meta {
    font-size: .75rem;
    color: #64748B;
    margin-top: .2rem;
    display: flex;
    align-items: center;
    gap: .4rem;
}

.arc-area-match-pill {
    background: #F0FDF4;
    color: #166534;
    border: 1px solid #86EFAC;
    border-radius: 999px;
    padding: .1rem .45rem;
    font-size: .68rem;
    font-weight: 700;
}

.arc-area-card-chevron {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: 1.5px solid #E2E8F0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .7rem;
    color: #94A3B8;
    flex-shrink: 0;
    transition: background .15s, border-color .15s, color .15s, transform .2s;
}

.arc-area-card--open .arc-area-card-chevron {
    background: #4F46E5;
    border-color: #4F46E5;
    color: #fff;
    transform: rotate(180deg);
}

/* Course list */
.arc-course-list {
    padding: .4rem 0 .5rem;
}

.arc-course-item {
    border-bottom: 1px solid #F1F5F9;
}

    .arc-course-item:last-child {
        border-bottom: none;
    }

/* Course row */
.arc-course-row {
    width: 100%;
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    align-items: center;
    gap: .7rem;
    padding: .85rem 1.3rem;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: background .12s;
}

    .arc-course-row:hover {
        background: #F8FAFC;
    }

.arc-course-item--open > .arc-course-row {
    background: #EEF2FF;
}

.arc-course-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #CBD5E1;
    flex-shrink: 0;
    transition: background .15s;
}

.arc-course-item--open .arc-course-dot {
    background: #4F46E5;
}

.arc-course-item-name {
    font-size: .9rem;
    font-weight: 600;
    color: #1E293B;
    line-height: 1.4;
}

.arc-course-row-right {
    display: flex;
    align-items: center;
    gap: .4rem;
    flex-wrap: nowrap;
}

.arc-chip--match {
    background: #F0FDF4;
    border-color: #86EFAC;
    color: #166534;
    font-weight: 700;
}

.arc-chip--dur {
    background: #F8FAFC;
    color: #475569;
}

.arc-course-chevron {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #F1F5F9;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .65rem;
    color: #94A3B8;
    flex-shrink: 0;
    transition: background .12s, color .12s, transform .2s;
}

.arc-course-item--open .arc-course-chevron {
    background: #4F46E5;
    color: #fff;
    transform: rotate(180deg);
}

/* Course detail panel */
.arc-course-detail {
    padding: 1.1rem 1.3rem 1.25rem 2.9rem;
    background: #FAFBFF;
    border-top: 1px dashed #C7D2FE;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.arc-course-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: .5rem .75rem;
}

.arc-detail-item {
    display: flex;
    flex-direction: column;
    gap: .2rem;
}

.arc-detail-label {
    font-size: .67rem;
    font-weight: 700;
    letter-spacing: .5px;
    text-transform: uppercase;
    color: #94A3B8;
}

.arc-detail-value {
    font-size: .85rem;
    color: #0F172A;
    font-weight: 500;
}

/* Scenarios & sub-processes sections */
.arc-detail-scenarios,
.arc-detail-subprocs {
    border-top: 1px solid #E2E8F0;
    padding-top: .85rem;
}

.arc-detail-scenarios-title,
.arc-detail-subprocs-title {
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: #64748B;
    margin-bottom: .55rem;
}

.arc-scenario-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: .3rem;
    max-height: 220px;
    overflow-y: auto;
}

    .arc-scenario-list li {
        font-size: .8rem;
        color: #1E293B;
        padding: .3rem .65rem;
        background: #F0FDF4;
        border-left: 3px solid #86EFAC;
        border-radius: 0 6px 6px 0;
        line-height: 1.4;
    }

.arc-subproc-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: .25rem;
    max-height: 160px;
    overflow-y: auto;
}

    .arc-subproc-list li {
        font-size: .78rem;
        color: #475569;
        padding: .25rem .55rem;
        border-left: 3px solid #C7D2FE;
        background: #F8FAFC;
        border-radius: 0 5px 5px 0;
    }

.arc-open-btn {
    align-self: flex-start;
    margin-top: .2rem;
}

/* Empty state */
.arc-empty-state {
    text-align: center;
    padding: 3.5rem 1rem;
    color: #94A3B8;
}

    .arc-empty-state .arc-empty-icon {
        font-size: 3rem;
        margin-bottom: .75rem;
    }

@media (max-width: 640px) {
    .arc-area-cards-grid {
        grid-template-columns: 1fr;
    }

    .arc-course-row {
        grid-template-columns: auto 1fr auto;
    }

    .arc-course-row-right {
        display: none;
    }
}

/* ── Horizontal domain chip bar ── */
.arc-domain-chips-bar {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-bottom: 1.25rem;
}

.arc-domain-chip {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .4rem .85rem;
    border: 1.5px solid #E2E8F0;
    border-radius: 999px;
    background: #fff;
    font-size: .82rem;
    font-weight: 600;
    color: #475569;
    cursor: pointer;
    transition: border-color .15s, background .15s, color .15s;
    white-space: nowrap;
}

    .arc-domain-chip:hover {
        border-color: #4F46E5;
        color: #4F46E5;
        background: #EEF2FF;
    }

.arc-domain-chip--active {
    border-color: #4F46E5;
    background: #4F46E5;
    color: #fff;
}

    .arc-domain-chip--active:hover {
        background: #3730A3;
        border-color: #3730A3;
        color: #fff;
    }

.arc-domain-chip-count {
    font-size: .72rem;
    font-weight: 700;
    background: rgba(255,255,255,.25);
    padding: .05rem .35rem;
    border-radius: 999px;
    min-width: 18px;
    text-align: center;
}

.arc-domain-chip--active .arc-domain-chip-count {
    background: rgba(255,255,255,.3);
}

.arc-domain-chip-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Domain colour dots matching existing badge colours */
.arc-domain-bg-procurement {
    background: #7C3AED;
}

.arc-domain-bg-scm {
    background: #16A34A;
}

.arc-domain-bg-crm {
    background: #D97706;
}

.arc-domain-bg-finance {
    background: #059669;
}

.arc-domain-bg-hcm {
    background: #0284C7;
}

.arc-domain-bg-asset-management {
    background: #DC2626;
}

.arc-domain-bg-service-management {
    background: #7C3AED;
}

.arc-domain-bg-manufacturing {
    background: #EA580C;
}

.arc-domain-bg-projects {
    background: #0891B2;
}

.arc-domain-bg-sustainability {
    background: #15803D;
}

.arc-domain-bg-aviation-maintenance {
    background: #9333EA;
}

/* Intro text banner */
.arc-cp-intro {
    display: flex;
    align-items: flex-start;
    gap: .75rem;
    background: #EEF2FF;
    border: 1px solid #C7D2FE;
    border-radius: 10px;
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
    font-size: .9rem;
    color: #3730A3;
    line-height: 1.5;
}

.arc-cp-intro-icon {
    font-size: 1.4rem;
    flex-shrink: 0;
}

/* Area count hint */
.arc-area-count-hint {
    font-size: .83rem;
    color: #64748B;
    margin-bottom: .85rem;
}

    .arc-area-count-hint strong {
        color: #0F172A;
    }

/* 3-column mode grid */
.arc-mode-grid-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

/* Entitlement diagnostic row */
.arc-diag-row {
    border-bottom: 1px solid #F1F5F9;
}

    .arc-diag-row:last-child {
        border-bottom: none;
    }

.arc-diag-row--open {
    background: #FAFBFF;
}

.arc-diag-header {
    width: 100%;
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .65rem 1rem;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: background .12s;
}

    .arc-diag-header:hover {
        background: #F8FAFC;
    }

.arc-diag-row--open .arc-diag-header {
    background: #EEF2FF;
}

.arc-diag-name {
    font-size: .87rem;
    font-weight: 600;
    color: #1E293B;
    flex: 1;
}

.arc-diag-detail {
    padding: .75rem 1rem .75rem 2.2rem;
    border-top: 1px dashed #E2E8F0;
}

/* Duration chip on course row */
.arc-chip--dur {
    font-size: .72rem;
    background: #F0F9FF;
    border-color: #BAE6FD;
    color: #0369A1;
    white-space: nowrap;
}

@media (max-width: 700px) {
    .arc-mode-grid-3 {
        grid-template-columns: 1fr;
    }

    .arc-domain-chips-bar {
        gap: .35rem;
    }
}

/* ════════════════════════════════════
   HIERARCHICAL TREE NAVIGATION
════════════════════════════════════ */

/* Breadcrumb */
.arc-tree-breadcrumb {
    display: flex;
    align-items: center;
    gap: .35rem;
    margin-bottom: 1.5rem;
    padding: .6rem 1rem;
    background: #fff;
    border: 1px solid #E2E8F0;
    border-radius: 10px;
    flex-wrap: wrap;
}

.arc-bc-btn {
    background: none;
    border: none;
    color: #94A3B8;
    font-size: .88rem;
    font-weight: 600;
    cursor: pointer;
    padding: .2rem .45rem;
    border-radius: 6px;
    transition: color .15s, background .15s;
}

    .arc-bc-btn:hover {
        color: #4F46E5;
        background: #EEF2FF;
    }

.arc-bc-btn--active {
    color: #4F46E5;
}

.arc-bc-sep {
    color: #CBD5E1;
    font-size: .85rem;
}

/* Entry level (Level 0) */
.arc-level-card--entry {
    background: linear-gradient(135deg, #EEF2FF 0%, #F5F3FF 100%);
    border: 1.5px solid #C7D2FE;
    border-radius: 16px;
    padding: 3rem 2.5rem;
    text-align: center;
    max-width: 680px;
    margin: 2rem auto;
    box-shadow: 0 4px 24px rgba(79,70,229,.1);
}

.arc-entry-icon {
    font-size: 3.5rem;
    margin-bottom: .75rem;
}

.arc-entry-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: #0F172A;
    margin-bottom: .75rem;
}

.arc-entry-body {
    color: #475569;
    font-size: 1rem;
    line-height: 1.65;
    margin-bottom: 2rem;
}

.arc-entry-actions {
    display: flex;
    gap: .75rem;
    justify-content: center;
    flex-wrap: wrap;
}

.arc-btn-lg {
    padding: .75rem 1.75rem;
    font-size: 1rem;
}

/* Level header */
.arc-level-header {
    margin-bottom: 1.5rem;
}

.arc-level-title {
    font-size: 1.3rem;
    font-weight: 800;
    color: #0F172A;
    margin-bottom: .3rem;
}

.arc-level-sub {
    color: #64748B;
    font-size: .9rem;
    margin-bottom: .85rem;
}

.arc-search-inline {
    padding: .5rem .9rem;
    border: 1.5px solid #E2E8F0;
    border-radius: 8px;
    font-size: .88rem;
    width: 100%;
    max-width: 360px;
}

    .arc-search-inline:focus {
        outline: none;
        border-color: #4F46E5;
    }

/* Domain section in stream view */
.arc-stream-domain-section {
    margin-bottom: 2rem;
}

.arc-stream-domain-label {
    display: flex;
    align-items: center;
    gap: .65rem;
    margin-bottom: .75rem;
}

.arc-stream-domain-count {
    font-size: .78rem;
    color: #94A3B8;
    font-weight: 500;
}

/* Area tiles */
/* Area tiles — horizontal row, wraps on small screens, each tile fixed-ish width */
.arc-area-tiles-row {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
}

.arc-area-tile {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: 1rem 1.1rem;
    background: #fff;
    border: 1.5px solid #E2E8F0;
    border-radius: 12px;
    cursor: pointer;
    text-align: left;
    transition: border-color .18s, box-shadow .18s, transform .15s;
    box-shadow: 0 1px 4px rgba(0,0,0,.05);
}

    .arc-area-tile:hover {
        border-color: #4F46E5;
        box-shadow: 0 4px 14px rgba(79,70,229,.12);
        transform: translateY(-2px);
    }

.arc-area-tile-icon {
    font-size: 1.4rem;
    flex-shrink: 0;
}

.arc-area-tile-text {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

.arc-area-tile-name {
    font-size: .9rem;
    font-weight: 700;
    color: #0F172A;
    line-height: 1.3;
}

.arc-area-tile-meta {
    font-size: .73rem;
    color: #94A3B8;
    margin-top: .15rem;
}

.arc-area-tile-arrow {
    font-size: .9rem;
    color: #C7D2FE;
    flex-shrink: 0;
    transition: color .15s;
}

.arc-area-tile:hover .arc-area-tile-arrow {
    color: #4F46E5;
}

/* Curriculum cards */
.arc-curriculum-card {
    background: #fff;
    border: 1.5px solid #E2E8F0;
    border-radius: 14px;
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0,0,0,.05);
    transition: border-color .18s, box-shadow .18s;
}

.arc-curriculum-card--open {
    border-color: #4F46E5;
    box-shadow: 0 4px 16px rgba(79,70,229,.1);
}

.arc-curriculum-card:hover {
    border-color: #A5B4FC;
}

.arc-curriculum-header {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: 1.1rem 1.25rem;
    background: #FAFBFF;
}

.arc-curriculum-card--open .arc-curriculum-header {
    background: #EEF2FF;
    border-bottom: 1px solid #C7D2FE;
}

.arc-curriculum-expand {
    display: flex;
    align-items: center;
    gap: .75rem;
    flex: 1;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    padding: 0;
    min-width: 0;
}

.arc-curriculum-icon {
    font-size: 1.4rem;
    flex-shrink: 0;
}

.arc-curriculum-info {
    flex: 1;
    min-width: 0;
}

.arc-curriculum-name {
    font-size: .97rem;
    font-weight: 700;
    color: #0F172A;
    line-height: 1.3;
}

.arc-curriculum-meta {
    font-size: .75rem;
    color: #64748B;
    margin-top: .1rem;
}

.arc-curriculum-chevron {
    font-size: .72rem;
    color: #94A3B8;
    flex-shrink: 0;
}

.arc-curriculum-card--open .arc-curriculum-chevron {
    color: #4F46E5;
}

.arc-curriculum-actions {
    flex-shrink: 0;
}

/* Coverage notes */
.arc-coverage-note {
    padding: .6rem 1.25rem;
    font-size: .82rem;
    font-weight: 500;
}

.arc-coverage-note--full {
    background: #F0FDF4;
    color: #166534;
    border-top: 1px solid #BBF7D0;
}

.arc-coverage-note--partial {
    background: #FFFBEB;
    color: #92400E;
    border-top: 1px solid #FDE68A;
}

.arc-coverage-link {
    color: #15803D;
    font-weight: 700;
    margin-left: .4rem;
    text-decoration: underline;
}

/* Prerequisite callouts */
.arc-prereq-flag {
    margin-top: .35rem;
    font-size: .76rem;
    font-weight: 600;
    opacity: .85;
}

.arc-prereq-block {
    border-top: 1px solid #E2E8F0;
    padding-top: .85rem;
    display: flex;
    flex-direction: column;
    gap: .3rem;
}

/* Course list inside curriculum */
.arc-curriculum-course-list {
    padding: .25rem 0;
    border-top: 1px solid #F1F5F9;
}


/* ══════════════════════════════════════════════════════
   LEVEL 2 — Two-column layout (curricula list)
══════════════════════════════════════════════════════ */
.arc-level2-layout {
    width: 100%;
}

.arc-level2-curricula {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    align-items: start;
}

    /* Ensure curriculum cards fill their column and don't have extra bottom margin */
    .arc-level2-curricula .arc-curriculum-card {
        margin-bottom: 0;
    }

@media (max-width: 860px) {
    .arc-level2-curricula {
        grid-template-columns: 1fr;
    }
}

/* Area tiles — each tile a fixed comfortable width within the horizontal row */
.arc-area-tile {
    flex: 0 1 240px;
    min-width: 220px;
}

/* Bottom spacing for curriculum pages */
.arc-level2-bottom-spacer {
    height: 4rem;
}

@media (max-width: 600px) {
    .arc-area-tiles-row {
        flex-direction: column;
    }

    .arc-area-tile {
        flex: 1 1 auto;
        width: 100%;
    }

    .arc-entry-actions {
        flex-direction: column;
    }

    .arc-curriculum-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ── Copilot Studio chat widget ───────────────────────────────────────── */
.arc-copilot-launcher {
    position: fixed;
    bottom: 1.75rem;
    right: 1.75rem;
    width: 3.6rem;
    height: 3.6rem;
    border-radius: 50%;
    background: #4F46E5;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 8px 24px rgba(79, 70, 229, .35);
    cursor: pointer;
    z-index: 1000;
    transition: transform .15s ease;
}

    .arc-copilot-launcher:hover {
        transform: scale(1.06);
    }

.arc-copilot-panel {
    position: fixed;
    bottom: 5.7rem;
    right: 1.75rem;
    width: 23rem;
    height: 32rem;
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 16px 48px rgba(30, 27, 75, .25);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 999;
}

.arc-copilot-header {
    background: #4F46E5;
    color: #fff;
    font-weight: 700;
    font-size: .95rem;
    padding: .85rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.arc-copilot-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
    opacity: .85;
    line-height: 1;
}

    .arc-copilot-close:hover {
        opacity: 1;
    }

.arc-copilot-body {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.arc-copilot-state {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

@media (max-width: 640px) {
    .arc-copilot-panel {
        width: calc(100vw - 2rem);
        right: 1rem;
        height: 70vh;
    }

    .arc-copilot-launcher {
        right: 1rem;
        bottom: 1.25rem;
    }
}

/* ── Copilot panel: expand toggle ─────────────────────────────────────── */
.arc-copilot-header-actions {
    display: flex;
    align-items: center;
    gap: .5rem;
}

.arc-copilot-expand {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.05rem;
    cursor: pointer;
    opacity: .85;
    line-height: 1;
}

    .arc-copilot-expand:hover {
        opacity: 1;
    }

.arc-copilot-panel--expanded {
    bottom: 50% !important;
    right: 50% !important;
    transform: translate(50%, 50%);
    width: min(1100px, 92vw) !important;
    height: min(820px, 88vh) !important;
}

@media (max-width: 640px) {
    .arc-copilot-panel--expanded {
        width: 96vw !important;
        height: 90vh !important;
    }
}

.webchat__bubble__content table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
    border-collapse: collapse;
    font-size: .78rem;
    max-width: 100%;
}

.webchat__bubble__content table th,
.webchat__bubble__content table td {
    border: 1px solid #E2E8F0;
    padding: .35rem .55rem;
    text-align: left;
    white-space: nowrap;
}

.webchat__bubble__content table th {
    background: #EEF2FF;
    color: #3730A3;
    font-weight: 700;
}