:root {
    --portal-ink: #1c2d41;
    --portal-muted: #526477;
    --portal-line: #e3e9f0;
    --portal-navy: #142d46;
}

.institution-brand { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.institution-brand img { object-fit: contain; flex: 0 0 auto; }
.institution-brand strong { display: block; font-size: 1.15rem; line-height: 1.3; color: #0d3151; }
.institution-brand span { display: block; margin-top: 4px; font-size: .8rem; color: var(--portal-muted); }
.demo-programmes { padding: 24px; margin-bottom: 24px; border: 1px solid var(--portal-line); border-radius: 16px; background: #fff; }
.demo-programmes h2 { margin: 0 0 16px; color: #0d3151; font-size: 1.3rem; }
.demo-programmes ul { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px 28px; margin: 0 0 16px; padding-left: 20px; }
.demo-programmes p { margin: 0; color: var(--portal-muted); }

html, body, .mud-typography, .mud-button-root, .mud-input {
    font-family: 'Segoe UI', Arial, sans-serif;
}

body { background: #f4f6f9; }
.portal-shell { color: var(--portal-ink); }
.portal-shell .mud-typography-h3, .portal-shell .mud-typography-h4,
.portal-shell .mud-typography-h5, .portal-shell .mud-typography-h6 {
    font-weight: 650;
    letter-spacing: -.025em;
    line-height: 1.3;
}
.portal-shell .mud-typography-h3 { font-size: clamp(2rem, 3vw, 2.6rem); }
.portal-shell .mud-typography-h4 { font-size: clamp(1.5rem, 2.4vw, 2rem); }
.portal-shell .mud-typography-h5 { font-size: 1.4rem; }
.portal-shell .mud-typography-h6 { font-size: 1.05rem; }
.portal-shell .mud-button-root { text-transform: none; font-weight: 600; letter-spacing: 0; border-radius: 8px; }
.portal-shell .mud-button-filled { box-shadow: none; }
.portal-shell .mud-button-outlined { border-color: var(--portal-line); }
.portal-shell .mud-button-root:focus-visible, .portal-shell a:focus-visible,
.portal-shell input:focus-visible { outline: 3px solid var(--mud-palette-primary); outline-offset: 3px; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 2000; background: white; padding: 12px 20px; color: var(--portal-ink); border: 2px solid; border-radius: 8px; }
.skip-link:focus { top: 8px; }

.portal-shell .portal-header { height: 72px; border-bottom: 1px solid var(--portal-line); background: white; color: var(--portal-ink); }
.portal-header .mud-toolbar { min-height: 72px; gap: 8px; padding-inline: 24px; }
.portal-brand { display: inline-flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; min-width: 0; }
.portal-brand__mark { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; background: var(--portal-navy); color: white; flex-shrink: 0; }
.portal-brand__name { font-size: 1rem; font-weight: 700; line-height: 1.35; }
.portal-brand__name small { display: block; font-size: .7rem; font-weight: 400; color: var(--portal-muted); letter-spacing: .03em; }
.portal-account-name { max-width: 260px; text-overflow: ellipsis; white-space: nowrap; overflow: hidden; font-size: .8rem; color: var(--portal-muted); }
.portal-shell .app-drawer { border-color: var(--portal-line); background: #fff; }
.portal-shell .drawer-nav-shell { padding: 26px 24px 18px; }
.portal-shell .drawer-nav-shell .mud-divider { display: none; }
.portal-shell .drawer-nav-menu { padding: 0 12px 24px; }
.portal-shell .drawer-nav-menu .mud-nav-link { min-height: 44px; border-radius: 8px; color: #42566b; }
.portal-shell .drawer-nav-menu .mud-nav-link-text { font-size: .84rem; line-height: 1.45; }
.portal-shell .drawer-nav-menu .mud-nav-link-icon { color: #718398; font-size: 1.2rem; min-width: 30px; }
.portal-shell .drawer-nav-menu .mud-nav-link.active { border-left: 0; background: rgba(var(--mud-palette-primary-rgb), .09); color: var(--mud-palette-primary); font-weight: 650; }
.portal-shell .module-nav-block__label { font-size: .65rem; color: #607286; letter-spacing: .12em; padding-top: 20px; }
.portal-shell .module-nav-add-on, .portal-shell .module-nav-locked { font-size: .78rem; }
.portal-shell .app-content { padding: 28px 32px 0; }
.portal-shell .app-main--public { margin-left: 0 !important; width: 100% !important; max-width: 100% !important; }
.portal-eyebrow { display: block; font-size: .65rem; font-weight: 700; letter-spacing: .16em; color: var(--portal-muted); margin-bottom: 8px; }
.portal-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; padding: 28px 0 20px; margin-top: 36px; border-top: 1px solid var(--portal-line); color: var(--portal-muted); font-size: .75rem; }
.demo-notice { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px 20px; padding: 12px 16px; border: 1px solid #dbe5ef; border-radius: 8px; background: #edf3f9; font-size: .78rem; color: #415c76; margin-bottom: 28px; }
.demo-notice > div { display: flex; align-items: center; gap: 12px; }
.demo-notice__label { font-size: .6rem; font-weight: 750; letter-spacing: .12em; padding: 3px 7px; background: #dce7f2; border-radius: 4px; }
.demo-notice a { font-size: .78rem; white-space: nowrap; font-weight: 600; }

/* Shared surfaces, including staff dashboards and data screens. */
.app-content .mud-paper.mud-elevation-1, .app-content .mud-paper.mud-elevation-2,
.app-content .mud-paper.mud-elevation-3, .app-content .mud-paper.mud-elevation-4 {
    border: 1px solid var(--portal-line);
    box-shadow: 0 2px 4px rgba(22, 42, 64, .025);
    border-radius: 12px;
}
.portal-shell .mud-table { border-radius: 10px; }
.portal-shell .mud-table-head .mud-table-cell { background: #f7f9fc; color: #526477; font-size: .73rem; font-weight: 650; padding-block: 14px; border-bottom-color: var(--portal-line); }
.portal-shell .mud-table-body .mud-table-cell { border-bottom-color: #edf0f4; padding-block: 14px; font-size: .85rem; }
.portal-shell .mud-tabs-toolbar { border-bottom: 1px solid var(--portal-line); }
.portal-shell .mud-tab { text-transform: none; letter-spacing: 0; font-weight: 600; }
.portal-shell .mud-input-outlined .mud-input-outlined-border { border-radius: 8px; }
.portal-shell .mud-chip { font-weight: 600; font-size: .73rem; }
.portal-shell .mud-alert { border-radius: 8px; }

.signin-layout { display: grid; grid-template-columns: 1.12fr 1fr; max-width: 1060px; margin: 48px auto 64px; background: white; border: 1px solid var(--portal-line); border-radius: 20px; overflow: hidden; box-shadow: 0 16px 60px rgba(25, 49, 75, .06); }
.signin-intro { background: var(--portal-navy); color: #fff; padding: 56px 48px 32px; display: flex; flex-direction: column; }
.signin-intro.auth-artwork--campus {
    background-image: linear-gradient(180deg, rgba(11, 31, 52, .96) 0%, rgba(11, 31, 52, .9) 40%, rgba(11, 31, 52, .48) 75%, rgba(11, 31, 52, .42) 100%), url('/images/auth/login-library-v2.jpg');
    background-size: cover;
    background-position: center;
    min-height: 700px;
}
.signin-intro.auth-artwork--study {
    background-image: linear-gradient(180deg, rgba(11, 31, 52, .96) 0%, rgba(11, 31, 52, .9) 35%, rgba(11, 31, 52, .25) 70%, rgba(11, 31, 52, .65) 100%), url('/images/auth/signup-campus-v2.jpg');
    background-size: cover;
    background-position: center bottom;
    min-height: 900px;
}
.register-journey { display: grid; gap: 14px; margin-top: 30px; color: #e2edf5; font-size: .82rem; }
.register-journey > span { display: flex; gap: 10px; align-items: center; }
.register-panel #register-description { color: var(--portal-muted); }
.signin-intro .portal-eyebrow { color: #b2c9dc; font-size: .63rem; }
.signin-intro h1 { font-size: clamp(2rem, 3vw, 2.8rem); letter-spacing: -.04em; line-height: 1.2; font-weight: 600; margin: 24px 0; }
.signin-intro h1 span { color: #9dd7d1; }
.signin-intro > p { color: #c7d6e2; font-size: .9rem; line-height: 1.75; max-width: 360px; margin: 0; }
.signin-journey { display: grid; gap: 22px; margin: 40px 0; }
.signin-journey > div { display: flex; gap: 16px; align-items: center; }
.signin-journey > div > span { display: grid; place-items: center; border: 1px solid #486278; color: #bad9e3; width: 32px; height: 32px; border-radius: 50%; font-size: .65rem; }
.signin-journey strong, .signin-journey small { display: block; }
.signin-journey strong { font-size: .86rem; font-weight: 600; }
.signin-journey small { font-size: .76rem; color: #b2c9dc; margin-top: 2px; }
.signin-intro__foot { display: flex; align-items: center; gap: 8px; margin-top: auto; padding-top: 20px; border-top: 1px solid #365067; color: #b2c9dc; font-size: .72rem; }
.signin-panel { padding: 56px 48px; border-radius: 0; }
.signin-panel__icon { display: grid; place-items: center; width: 44px; height: 44px; background: #eef4fa; color: var(--mud-palette-primary); border-radius: 12px; margin-bottom: 24px; }
.signin-panel #login-description { color: var(--portal-muted); }
.signin-panel .mud-input-control { margin-bottom: 18px; }
.signin-panel .signin-submit { min-height: 48px; margin-top: 12px; }
.signin-panel input[type=checkbox] { accent-color: var(--mud-palette-primary); width: 16px; height: 16px; }

.student-overview { padding: 0; }
.workspace-heading { display: flex; justify-content: space-between; align-items: start; gap: 20px; margin: 8px 0 28px; }
.workspace-heading h1 { margin: 0 0 8px; font-size: clamp(1.7rem, 2.7vw, 2.2rem); letter-spacing: -.035em; font-weight: 650; line-height: 1.25; }
.workspace-heading p { color: var(--portal-muted); font-size: .9rem; margin: 0; }
.workspace-heading__meta { color: var(--portal-muted); font-size: .75rem; display: flex; align-items: center; gap: 12px; margin-top: 16px; flex-wrap: wrap; }
.overview-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 24px; }
.overview-metric { background: white; border: 1px solid var(--portal-line); border-radius: 12px; padding: 22px; min-width: 0; }
.overview-metric > span { display: block; color: var(--portal-muted); font-size: .76rem; margin-bottom: 12px; }
.overview-metric > strong { display: block; font-size: 1.8rem; font-weight: 650; letter-spacing: -.04em; line-height: 1.2; }
.overview-metric > small { display: block; color: var(--portal-muted); font-size: .72rem; margin-top: 10px; }
.workspace-panel { background: white; border: 1px solid var(--portal-line); border-radius: 12px; padding: 24px; height: 100%; }
.workspace-panel__heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 20px; }
.workspace-panel__heading h2 { margin: 0; font-size: 1.05rem; letter-spacing: -.02em; font-weight: 650; }
.workspace-panel__heading .mud-link { font-size: .78rem; }
.workspace-panel p { color: var(--portal-muted); font-size: .85rem; }
.workspace-actions { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 24px; }
.workspace-action { display: flex; align-items: center; gap: 14px; padding: 18px; background: white; border: 1px solid var(--portal-line); border-radius: 10px; color: var(--portal-ink); text-decoration: none; transition: border-color .15s, background .15s; }
.workspace-action:hover { border-color: var(--mud-palette-primary); background: #f8fbff; }
.workspace-action > .mud-icon-root { color: var(--mud-palette-primary); flex-shrink: 0; }
.workspace-action strong, .workspace-action small { display: block; }
.workspace-action strong { font-size: .82rem; font-weight: 600; }
.workspace-action small { color: var(--portal-muted); font-size: .7rem; margin-top: 3px; }
.workspace-columns { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 24px; }
.workspace-side { display: grid; gap: 24px; align-content: start; }
.workspace-details { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 0; }
.workspace-details dt { color: var(--portal-muted); font-size: .7rem; margin-bottom: 6px; }
.workspace-details dd { margin: 0; font-size: .82rem; font-weight: 600; }
.workspace-notices { margin-bottom: 24px; }
.workspace-notices .mud-alert + .mud-alert { margin-top: 10px; }
.workspace-links { display: grid; gap: 12px; margin-top: 20px; font-size: .82rem; }
.workspace-issues { padding-left: 18px; color: var(--portal-muted); font-size: .78rem; line-height: 1.65; margin-block: 12px 20px; }
.demo-hero { padding: 36px 0; max-width: 760px; }
.demo-hero p { color: var(--portal-muted); line-height: 1.75; margin-block: 16px 24px; }

@media (max-width: 1199px) {
    .workspace-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .workspace-columns { grid-template-columns: 1fr; }
    .workspace-side { grid-template-columns: 1fr 1fr; }
    .signin-intro, .signin-panel { padding: 40px 32px; }
}
@media (max-width: 959px) {
    .portal-shell .app-content { padding: 24px 20px 0 !important; }
    .signin-layout { margin-top: 24px; }
    .overview-metrics { gap: 12px; }
    .overview-metric { padding: 18px; }
}
@media (max-width: 699px) {
    .signin-layout { grid-template-columns: 1fr; margin: 20px auto; max-width: 480px; }
    .signin-intro { padding: 28px; }
    .signin-intro.auth-artwork--campus, .signin-intro.auth-artwork--study { min-height: 0; background-position: center 65%; }
    .signin-intro h1 { font-size: 1.8rem; margin: 12px 0; }
    .signin-intro h1 br { display: none; }
    .signin-journey, .signin-intro__foot, .register-journey { display: none; }
    .signin-intro > p { font-size: .8rem; }
    .signin-panel { padding: 28px; }
    .overview-metrics { grid-template-columns: 1fr 1fr; }
    .overview-metric > strong { font-size: 1.5rem; }
    .workspace-heading { flex-wrap: wrap; }
    .workspace-side { grid-template-columns: 1fr; }
    .workspace-panel { padding: 20px; }
}
@media (max-width: 399px) {
    .portal-shell .app-content { padding-inline: 12px !important; }
    .portal-header .mud-toolbar { padding-inline: 12px; gap: 4px; }
    .portal-brand { gap: 8px; }
    .portal-brand__mark { width: 32px; height: 32px; }
    .portal-brand__name small { display: none; }
    .workspace-actions { grid-template-columns: 1fr; }
    .signin-panel { padding: 24px 20px; }
    .demo-notice > div { align-items: start; }
}
@media (prefers-reduced-motion: reduce) {
    .portal-shell *, .portal-shell *::before, .portal-shell *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}
@media print {
    .portal-header, .portal-footer, .demo-notice, .skip-link { display: none !important; }
    .portal-shell .app-content { padding: 0 !important; }
}