:root {
    --m2k-shadow: #033639;
    --m2k-main: #0B5D6B;
    --m2k-accent-dark: #60836D;
    --m2k-accent-light: #FFD200;
    --m2k-light: #D7EFEF;
    --m2k-ink: #17393B;
    --m2k-muted: #52696A;
    --m2k-surface: #FFFFFF;
    --m2k-border: #C7D8D6;
    --m2k-danger: #9B2420;
}

* { box-sizing: border-box; }
html { font-family: Ubuntu, system-ui, sans-serif; color: var(--m2k-ink); background: #F2F7F5; }
body { margin: 0; min-width: 320px; }
a { color: var(--m2k-main); text-underline-offset: .18em; }
a:hover { color: var(--m2k-shadow); }
:focus-visible { outline: 3px solid var(--m2k-accent-light); outline-offset: 3px; box-shadow: 0 0 0 2px var(--m2k-shadow); }
h1, h2, h3, p { margin-top: 0; }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: 16rem minmax(0, 1fr); }
.app-sidebar { background: var(--m2k-shadow); color: white; padding: 2rem 1.2rem; display: flex; flex-direction: column; gap: 2.5rem; }
.brand { color: white; text-decoration: none; display: flex; align-items: baseline; gap: .6rem; padding: .25rem .7rem; }
.brand:hover { color: white; }
.brand-symbol { font-weight: 800; letter-spacing: -.08em; font-size: 1.9rem; line-height: 1; }
.brand-symbol span { color: var(--m2k-accent-light); }
.brand-caption { font-size: .95rem; letter-spacing: .04em; }
.sidebar-label { color: #AFC9C5; font-size: .7rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; margin: 0 .7rem -1.8rem; }
.app-nav { display: grid; gap: .35rem; }
.app-nav a { color: #D7EFEF; text-decoration: none; padding: .8rem .7rem; border-radius: .45rem; font-size: .9rem; font-weight: 600; border-left: 3px solid transparent; }
.app-nav a:hover, .app-nav a.active { color: white; background: #165156; border-left-color: var(--m2k-accent-light); }
.sidebar-foot { margin-top: auto; padding: 1rem .7rem 0; border-top: 1px solid #426466; color: #B8CFCA; font-size: .8rem; }
.app-main { min-width: 0; }
.app-topbar { min-height: 4.5rem; background: white; border-bottom: 1px solid var(--m2k-border); display: flex; justify-content: space-between; align-items: center; padding: 0 clamp(1.1rem, 3vw, 3rem); gap: 1rem; }
.topbar-product { font-weight: 700; color: var(--m2k-shadow); font-size: .85rem; }
.topbar-status { font-size: .8rem; color: var(--m2k-muted); display: flex; align-items: center; gap: .5rem; }
.status-dot { width: .5rem; height: .5rem; border-radius: 50%; background: #60836D; }
.page-content { max-width: 92rem; margin: auto; padding: clamp(1.5rem, 3vw, 3rem); }
.page-heading { display: flex; justify-content: space-between; align-items: end; gap: 1rem; margin: 0 0 2rem; }
.page-heading h1 { color: var(--m2k-shadow); letter-spacing: -.035em; font-size: clamp(2rem, 3vw, 3rem); line-height: 1.15; margin: .25rem 0 .5rem; }
.page-heading p:last-child { color: var(--m2k-muted); margin-bottom: 0; }
.eyebrow { color: var(--m2k-main); font-size: .73rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; margin-bottom: .45rem; }
.text-link { flex-shrink: 0; font-weight: 700; font-size: .85rem; }
.kpi-grid, .detail-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.kpi-card { min-width: 0; background: white; border: 1px solid var(--m2k-border); border-radius: .8rem; padding: 1.4rem; display: flex; flex-direction: column; min-height: 9rem; }
.kpi-card > span { color: var(--m2k-muted); font-size: .83rem; font-weight: 700; }
.kpi-card strong { color: var(--m2k-shadow); font-size: clamp(1.6rem, 2.6vw, 2.3rem); line-height: 1.2; margin: .6rem 0 .3rem; overflow-wrap: anywhere; }
.kpi-card small { color: var(--m2k-muted); }
.kpi-card.featured { background: var(--m2k-shadow); border-color: var(--m2k-shadow); }
.kpi-card.featured > span, .kpi-card.featured small { color: #D7EFEF; }
.kpi-card.featured strong { color: var(--m2k-accent-light); }
.info-strip, .assumption-strip { display: flex; flex-wrap: wrap; gap: .75rem 2rem; padding: 1rem 1.3rem; background: var(--m2k-light); border-radius: .6rem; margin: 1rem 0 2.5rem; color: var(--m2k-shadow); font-size: .85rem; }
.info-strip strong, .assumption-strip strong { margin-left: .4rem; }
.section-heading { margin: 2.5rem 0 1rem; }
.section-heading h2 { color: var(--m2k-shadow); font-size: 1.45rem; margin-bottom: 0; }
.module-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.module-card { background: white; border: 1px solid var(--m2k-border); border-radius: .8rem; padding: 1.6rem; color: var(--m2k-ink); text-decoration: none; transition: border-color .15s, transform .15s; }
.module-card:hover { border-color: var(--m2k-main); transform: translateY(-2px); }
.module-card h3 { color: var(--m2k-shadow); font-size: 1.35rem; margin: 1rem 0 .5rem; }
.module-card p { color: var(--m2k-muted); line-height: 1.5; min-height: 3rem; }
.module-card strong { color: var(--m2k-main); }
.module-index { color: var(--m2k-main); font-size: .7rem; font-weight: 800; letter-spacing: .12em; }
.state-panel { padding: 1.5rem; background: white; border: 1px solid var(--m2k-border); border-radius: .7rem; color: var(--m2k-shadow); }
.state-panel.muted { background: var(--m2k-light); }
.state-panel.error { border-color: var(--m2k-danger); color: var(--m2k-danger); }
.state-panel.warning { background: #FFF5CE; border-color: #B18C00; margin-bottom: 1rem; }
.list-summary { display: flex; align-items: baseline; gap: .5rem; margin-bottom: 1rem; color: var(--m2k-muted); font-size: .85rem; }
.list-summary strong { font-size: 1.45rem; color: var(--m2k-shadow); }
.recommendation-list { display: grid; gap: .85rem; }
.recommendation-card { background: white; border: 1px solid var(--m2k-border); border-radius: .8rem; display: grid; grid-template-columns: minmax(0, 1fr) minmax(13rem, 16rem); overflow: hidden; }
.recommendation-main { padding: 1.5rem; min-width: 0; }
.card-topline, .detail-status { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.recommendation-main h2 { font-size: 1.2rem; margin: 1rem 0 .5rem; }
.recommendation-main h2 a { color: var(--m2k-shadow); }
.recommendation-main p { color: var(--m2k-muted); line-height: 1.5; margin-bottom: 1rem; }
.card-meta { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; color: var(--m2k-muted); font-size: .8rem; }
.state-badge { background: var(--m2k-light); color: var(--m2k-shadow); padding: .3rem .55rem; border-radius: 999px; font-size: .72rem; font-weight: 700; text-align: center; }
.state-badge.warning { background: #FFF1BD; color: #654900; }
.recommendation-metrics { background: #F5F9F7; padding: 1.4rem; display: grid; gap: 1rem; }
.recommendation-metrics > div { display: flex; flex-direction: column; gap: .25rem; }
.metric-label { color: var(--m2k-muted); font-size: .75rem; }
.recommendation-metrics strong { color: var(--m2k-shadow); font-size: 1.05rem; }
.detail-link { font-size: .8rem; font-weight: 800; align-self: end; }
.detail-status { margin-bottom: 1rem; }
.detail-metrics { margin-bottom: 1rem; }
.detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.content-card { background: white; border: 1px solid var(--m2k-border); border-radius: .8rem; padding: 1.6rem; min-width: 0; }
.content-card h2 { color: var(--m2k-shadow); font-size: 1.3rem; margin-bottom: 1rem; }
.content-card > p:not(.eyebrow) { line-height: 1.55; }
.supporting-text { color: var(--m2k-muted); font-size: .85rem; }
.fact-list { margin: 0; }
.fact-list div { display: flex; justify-content: space-between; gap: 1rem; padding: .55rem 0; border-bottom: 1px solid var(--m2k-border); }
.fact-list div:last-child { border: 0; }
.fact-list dt { color: var(--m2k-muted); }
.fact-list dd { margin: 0; font-weight: 700; text-align: right; overflow-wrap: anywhere; }
.evidence-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .7rem; }
.evidence-grid > div { background: #F5F9F7; border-radius: .45rem; padding: .9rem; min-width: 0; }
.evidence-grid span { display: block; color: var(--m2k-muted); font-size: .73rem; margin-bottom: .45rem; }
.evidence-grid strong { font-size: .95rem; overflow-wrap: anywhere; }
.assumption-strip { margin: 1rem 0 0; }
.plan-trigger, .plan-accept { border: 0; border-radius: .45rem; background: var(--m2k-shadow); color: white; font: inherit; font-size: .84rem; font-weight: 750; cursor: pointer; }
.plan-trigger { padding: .55rem .65rem .55rem .9rem; display: inline-flex; align-items: center; gap: .65rem; white-space: nowrap; }
.plan-trigger:hover, .plan-accept:hover:not(:disabled) { background: var(--m2k-main); }
.plan-badge { min-width: 1.6rem; min-height: 1.6rem; display: inline-grid; place-items: center; padding: 0 .35rem; border-radius: 999px; background: var(--m2k-accent-light); color: var(--m2k-shadow); font-size: .78rem; font-weight: 800; }
.plan-accept { padding: .8rem 1rem; margin-top: .8rem; }
.plan-accept:disabled { background: var(--m2k-light); color: var(--m2k-shadow); cursor: default; }
.action-feedback { margin: .7rem 0 0; font-size: .83rem; color: var(--m2k-shadow); }
.action-feedback.error { color: var(--m2k-danger); }
.plan-drawer { position: fixed; z-index: 50; top: 0; right: 0; bottom: 0; width: min(29rem, 100vw); display: flex; flex-direction: column; background: var(--m2k-surface); box-shadow: -1rem 0 3rem #03363940; border-left: 1px solid var(--m2k-border); }
.plan-drawer[hidden] { display: none; }
.plan-drawer-header { padding: 1.2rem 1.4rem; background: var(--m2k-shadow); color: white; display: flex; justify-content: space-between; align-items: start; gap: 1rem; }
.plan-drawer-header .eyebrow { color: var(--m2k-light); }
.plan-drawer-header h2 { margin: 0; font-size: 1.4rem; }
.plan-close { border: 1px solid var(--m2k-light); border-radius: .35rem; background: transparent; color: white; width: 2rem; height: 2rem; font-size: 1.4rem; line-height: 1; cursor: pointer; }
.plan-close:hover { background: var(--m2k-main); }
.plan-drawer-body { overflow-y: auto; padding: 1.2rem; flex: 1; }
.plan-state { margin: 0; padding: 1rem; border-radius: .5rem; background: var(--m2k-light); color: var(--m2k-shadow); line-height: 1.5; }
.plan-state.error { background: #FFF1EC; color: var(--m2k-danger); }
.plan-state button { display: block; margin-top: .7rem; border: 1px solid currentColor; color: inherit; background: transparent; border-radius: .3rem; padding: .35rem .6rem; cursor: pointer; }
.plan-count { display: flex; align-items: baseline; gap: .6rem; padding-bottom: 1rem; color: var(--m2k-muted); }
.plan-count strong { font-size: 1.75rem; color: var(--m2k-shadow); }
.plan-items { margin: 0; padding: 0; list-style: none; display: grid; gap: .7rem; }
.plan-item { border: 1px solid var(--m2k-border); border-radius: .6rem; padding: 1rem; }
.plan-item h3 { margin: .55rem 0 .35rem; color: var(--m2k-shadow); font-size: 1.05rem; }
.plan-item p { color: var(--m2k-muted); font-size: .82rem; line-height: 1.45; }
.plan-item-savings { display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--m2k-border); padding-top: .7rem; font-size: .82rem; }
.plan-item-savings strong { color: var(--m2k-shadow); }
.plan-item-actions { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-top: .9rem; font-size: .8rem; }
.plan-item-actions a { font-weight: 700; }
.plan-item-actions button { border: 1px solid var(--m2k-border); border-radius: .3rem; padding: .4rem .6rem; background: white; color: var(--m2k-danger); font: inherit; font-weight: 700; cursor: pointer; }
.plan-item-actions button:hover { background: #FFF1EC; }
.plan-item-actions button:disabled { opacity: .6; cursor: default; }
.plan-totals { margin-top: 1.2rem; padding: 1.1rem; border-radius: .6rem; background: var(--m2k-shadow); color: white; }
.plan-totals h3 { font-size: 1rem; margin-bottom: 1rem; }
.plan-total-currency + .plan-total-currency { border-top: 1px solid var(--m2k-accent-dark); margin-top: 1rem; padding-top: 1rem; }
.plan-total-currency .module-index { color: var(--m2k-accent-light); }
.plan-total-currency dl { margin: .4rem 0 0; }
.plan-total-currency dl div { display: flex; justify-content: space-between; gap: 1rem; padding: .35rem 0; }
.plan-total-currency dt { color: var(--m2k-light); }
.plan-total-currency dd { margin: 0; font-weight: 800; text-align: right; }
.plan-total-currency dl div:first-child dd { color: var(--m2k-accent-light); }
.plan-caveat { margin: .6rem 0 0; color: var(--m2k-light); font-size: .76rem; line-height: 1.4; }
#blazor-error-ui { display: none; position: fixed; bottom: 0; left: 0; right: 0; padding: 1rem; background: var(--m2k-accent-light); color: var(--m2k-shadow); z-index: 1000; }
#blazor-error-ui a { color: var(--m2k-shadow); font-weight: 700; }
#blazor-error-ui .dismiss { float: right; cursor: pointer; }
.diagnostics-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.diagnostics-summary .kpi-card strong { font-size: clamp(1.1rem, 1.7vw, 1.55rem); overflow-wrap: anywhere; }
.diagnostics-notice { border-left: .3rem solid var(--m2k-accent-dark); }
.diagnostics-list { display: grid; gap: .75rem; margin-bottom: 1.8rem; }
.diagnostics-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; padding: 1rem 1.2rem; background: white; border: 1px solid var(--m2k-light); border-radius: .6rem; }
.diagnostics-row strong, .diagnostics-row small { display: block; overflow-wrap: anywhere; }
.diagnostics-row small { margin-top: .35rem; }
.diagnostics-row p { margin: .5rem 0 0; }
.diagnostics-row > span { white-space: nowrap; font-weight: 700; }
@media (max-width: 950px) {
    .app-shell { grid-template-columns: 1fr; }
    .app-sidebar { padding: 1rem; gap: .7rem; }
    .sidebar-label, .sidebar-foot { display: none; }
    .app-nav { display: flex; overflow-x: auto; }
    .app-nav a { white-space: nowrap; }
    .evidence-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 650px) {
    .app-topbar { min-height: 3.5rem; }
    .topbar-status { display: none; }
    .page-heading { display: block; }
    .page-heading .text-link { display: inline-block; margin-top: 1rem; }
    .kpi-grid, .detail-metrics, .module-grid, .detail-grid, .diagnostics-summary { grid-template-columns: 1fr; }
    .diagnostics-row { display: block; }
    .diagnostics-row > span { display: inline-block; margin-top: .6rem; }
    .recommendation-card { grid-template-columns: 1fr; }
    .recommendation-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .recommendation-metrics .detail-link { grid-column: 1 / -1; }
    .evidence-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { .module-card { transition: none; } }

/* Top bar user and sign-out */
.topbar-actions { display: flex; align-items: center; gap: 1rem; min-width: 0; }
.signout-form { display: flex; align-items: center; gap: .75rem; margin: 0; min-width: 0; }
.topbar-user { color: var(--m2k-muted); font-size: .82rem; font-weight: 600; max-width: 14rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.signout-button { border: 1px solid var(--m2k-border); border-radius: .45rem; background: white; color: var(--m2k-shadow); font: inherit; font-size: .82rem; font-weight: 700; padding: .5rem .8rem; cursor: pointer; white-space: nowrap; }
.signout-button:hover { border-color: var(--m2k-main); background: var(--m2k-light); }

/* Sign-in page */
.login-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
.login-hero { position: relative; overflow: hidden; background: var(--m2k-shadow); color: white; padding: clamp(2rem, 5vw, 4.5rem); display: flex; flex-direction: column; gap: 3rem; }
.login-hero::after { content: ""; position: absolute; right: -9rem; bottom: -9rem; width: 26rem; height: 26rem; border-radius: 50%; border: 3.5rem solid #165156; pointer-events: none; }
.login-brand { padding: 0; }
.login-brand .brand-symbol { font-size: 2.4rem; }
.login-brand .brand-caption { font-size: 1.1rem; }
.login-claim { max-width: 34rem; margin-top: auto; position: relative; z-index: 1; }
.login-claim .eyebrow { color: var(--m2k-accent-light); }
.login-claim h2 { font-size: clamp(2rem, 3.6vw, 3.2rem); line-height: 1.1; letter-spacing: -.035em; margin: .4rem 0 1.2rem; }
.login-claim h2 span { color: var(--m2k-accent-light); }
.login-claim p:last-child { color: var(--m2k-light); line-height: 1.6; max-width: 30rem; }
.login-points { list-style: none; margin: 0; padding: 0; display: grid; gap: .9rem; max-width: 30rem; position: relative; z-index: 1; }
.login-points li { display: grid; gap: .2rem; padding-left: 1rem; border-left: 3px solid var(--m2k-accent-light); }
.login-points strong { font-size: .95rem; }
.login-points span { color: #B8CFCA; font-size: .85rem; }
.login-foot { margin: auto 0 0; color: #B8CFCA; font-size: .8rem; position: relative; z-index: 1; }
.login-panel { display: grid; place-items: center; padding: clamp(1.5rem, 4vw, 3rem); background: #F2F7F5; }
.login-card { width: min(26rem, 100%); background: white; border: 1px solid var(--m2k-border); border-radius: .9rem; padding: clamp(1.6rem, 3vw, 2.4rem); box-shadow: 0 1.5rem 3rem #0336391a; }
.login-card h1 { color: var(--m2k-shadow); font-size: 2rem; letter-spacing: -.03em; margin: .25rem 0 .6rem; }
.login-intro { color: var(--m2k-muted); line-height: 1.5; margin-bottom: 1.6rem; }
.login-button { display: flex; align-items: center; justify-content: center; gap: .75rem; width: 100%; padding: .95rem 1rem; border-radius: .5rem; background: var(--m2k-shadow); color: white; font-weight: 700; text-decoration: none; transition: background-color .15s; }
.login-button:hover { background: var(--m2k-main); color: white; }
.ms-logo { width: 1.15rem; height: 1.15rem; flex-shrink: 0; background: white; padding: .12rem; border-radius: .15rem; }
.login-hint { margin: 1.3rem 0 0; color: var(--m2k-muted); font-size: .8rem; line-height: 1.5; }
.login-message { display: grid; gap: .3rem; padding: .9rem 1rem; border-radius: .5rem; margin-bottom: 1.3rem; font-size: .85rem; line-height: 1.45; }
.login-message.info { background: var(--m2k-light); color: var(--m2k-shadow); }
.login-message.error { background: #FFF1EC; color: var(--m2k-danger); border-left: 3px solid var(--m2k-danger); }
@media (max-width: 850px) {
    .login-shell { grid-template-columns: 1fr; }
    .login-hero { gap: 1.8rem; padding-bottom: 2.5rem; }
    .login-claim { margin-top: 0; }
    .login-points, .login-foot { display: none; }
    .login-hero::after { display: none; }
}
@media (max-width: 650px) {
    .topbar-user { display: none; }
}
@media (prefers-reduced-motion: reduce) { .login-button { transition: none; } }