:root {
    --color-ink: #17211b;
    --color-muted: #607067;
    --color-surface: #ffffff;
    --color-canvas: #f3f6f2;
    --color-border: #dce4dc;
    --color-brand: #176b45;
    --color-brand-strong: #0d4d30;
    --color-brand-soft: #e4f2ea;
    --color-warning: #b45e18;
    --color-danger: #a33b32;
    --radius-small: .6rem;
    --radius-medium: 1rem;
    --radius-large: 1.6rem;
    --shadow-card: 0 20px 60px rgba(35, 55, 43, .1);
    --page-width: 76rem;
    --font-ui: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { min-height: 100%; color: var(--color-ink); background: var(--color-canvas); font-family: var(--font-ui); }
body { min-height: 100vh; margin: 0; }
a { color: var(--color-brand-strong); font-weight: 650; text-underline-offset: .2em; }
button, input, select { font: inherit; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.brand { display: inline-flex; align-items: center; gap: .75rem; color: inherit; font-size: 1.05rem; font-weight: 780; text-decoration: none; }
.brand__mark { display: grid; width: 2.35rem; height: 2.35rem; place-items: center; color: white; border-radius: .8rem; background: var(--color-brand); box-shadow: 0 8px 20px rgba(23, 107, 69, .24); }
.brand--compact .brand__mark { width: 2rem; height: 2rem; border-radius: .65rem; }
.eyebrow { margin: 0 0 .6rem; color: var(--color-brand); font-size: .75rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }

.auth-shell { background: linear-gradient(135deg, #e9f1ea 0%, #f8faf7 45%, #edf3ed 100%); }
.auth-container { display: grid; min-height: 100vh; padding: clamp(1rem, 4vw, 3rem); place-items: center; }
.auth-panel { display: grid; width: min(68rem, 100%); min-height: 38rem; grid-template-columns: 1.05fr .95fr; overflow: hidden; border: 1px solid rgba(255,255,255,.8); border-radius: var(--radius-large); background: var(--color-surface); box-shadow: var(--shadow-card); }
.auth-intro { display: flex; flex-direction: column; padding: clamp(2rem, 5vw, 4.5rem); color: white; background: radial-gradient(circle at 80% 15%, rgba(126, 197, 158, .28), transparent 30%), linear-gradient(145deg, #155c3c, #0b3825); }
.auth-intro__copy { margin: auto 0; max-width: 28rem; }
.auth-intro h1 { max-width: 9ch; margin: 0 0 1rem; font-size: clamp(2.6rem, 5vw, 4.6rem); line-height: .96; letter-spacing: -.05em; }
.auth-intro p { color: rgba(255,255,255,.78); font-size: 1.05rem; line-height: 1.7; }
.auth-intro .eyebrow { color: #9fd4b6; }
.security-note { margin: 2rem 0 0 !important; font-size: .82rem !important; }
.auth-card { align-self: center; padding: clamp(2rem, 5vw, 4.5rem); }
.auth-card__tools { display: flex; justify-content: flex-end; margin-bottom: 3.5rem; }
.auth-card h2 { margin: 0 0 2rem; font-size: 1.75rem; letter-spacing: -.025em; }

.language-picker { display: flex; align-items: center; gap: .5rem; }
.language-picker select { min-height: 2.35rem; padding: 0 2rem 0 .75rem; border: 1px solid var(--color-border); border-radius: var(--radius-small); color: var(--color-ink); background: white; }
.form-stack { display: grid; gap: 1.25rem; }
.field { display: grid; gap: .5rem; color: var(--color-ink); font-size: .88rem; font-weight: 700; }
.field__hint { color: var(--color-muted); font-weight: 500; line-height: 1.45; }
.field input { width: 100%; min-height: 3rem; padding: .75rem .9rem; border: 1px solid #cbd6cd; border-radius: var(--radius-small); outline: none; background: #fbfcfb; transition: border-color .15s, box-shadow .15s; }
.field input:focus { border-color: var(--color-brand); box-shadow: 0 0 0 3px var(--color-brand-soft); }
.form-actions { display: flex; align-items: center; justify-content: flex-end; gap: 1rem; margin-top: .5rem; }
.form-actions a { font-size: .86rem; }
.button { display: inline-flex; min-height: 2.7rem; align-items: center; justify-content: center; padding: .65rem 1rem; border: 0; border-radius: var(--radius-small); cursor: pointer; font-weight: 750; }
.button--primary { color: white; background: var(--color-brand); box-shadow: 0 8px 20px rgba(23,107,69,.2); }
.button--primary:hover { background: var(--color-brand-strong); }
.button--quiet { color: var(--color-brand-strong); background: var(--color-brand-soft); }
.button--small { min-height: 2.35rem; padding: .45rem .7rem; font-size: .82rem; }
.alert { margin-bottom: 1.25rem; padding: .8rem 1rem; border-radius: var(--radius-small); font-size: .88rem; }
.alert--success { color: var(--color-brand-strong); background: var(--color-brand-soft); }
.alert--error { color: #7d2922; background: #fae9e7; }
.alert--warning { color: #784512; background: #fff2dd; }
.installer-diagnostics { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid rgba(125,41,34,.18); color: var(--color-ink); }
.installer-diagnostics h2 { margin: 1rem 0 .6rem; font-size: .9rem; }
.installer-diagnostics dl { display: grid; gap: .35rem; margin: 0; }
.installer-diagnostics dl > div { display: grid; grid-template-columns: minmax(9rem, .45fr) 1fr; gap: .75rem; }
.installer-diagnostics dt { color: #7d2922; font-weight: 750; }
.installer-diagnostics dd { min-width: 0; margin: 0; overflow-wrap: anywhere; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.installer-diagnostics ul { padding-left: 1.25rem; margin: .5rem 0 0; }
.installer-diagnostics li + li { margin-top: .35rem; }

.installer-shell { min-height: 100vh; background: radial-gradient(circle at 80% 0, #dfeee4, transparent 28rem), var(--color-canvas); }
.installer-container { width: min(56rem, calc(100% - 2rem)); margin: 0 auto; padding: clamp(2rem, 6vw, 5rem) 0; }
.installer-heading { max-width: 44rem; margin-bottom: 2rem; }
.installer-heading .brand { margin-bottom: 3.5rem; }
.installer-heading h1 { margin: 0 0 .75rem; font-size: clamp(2.3rem, 6vw, 4.2rem); line-height: 1; letter-spacing: -.055em; }
.installer-heading > p:last-child { max-width: 40rem; margin: 0; color: var(--color-muted); font-size: 1.05rem; line-height: 1.65; }
.installer-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; padding: 0; margin: 0 0 1rem; list-style: none; }
.installer-steps li { display: flex; align-items: center; gap: .65rem; padding: .8rem 1rem; border-radius: var(--radius-small); color: var(--color-muted); background: rgba(255,255,255,.55); font-size: .82rem; font-weight: 750; }
.installer-steps span { display: grid; width: 1.65rem; height: 1.65rem; place-items: center; border-radius: 50%; background: #e4e9e5; font-size: .72rem; }
.installer-steps .is-current { color: var(--color-brand-strong); background: var(--color-brand-soft); }
.installer-steps .is-current span { color: white; background: var(--color-brand); }
.installer-card { padding: clamp(1.25rem, 4vw, 2.25rem); margin-bottom: 1rem; border: 1px solid var(--color-border); border-radius: var(--radius-medium); background: var(--color-surface); box-shadow: 0 12px 40px rgba(35,55,43,.06); }
.installer-section-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.installer-section-heading h2, .installer-success h2 { margin: 0; font-size: 1.35rem; letter-spacing: -.025em; }
.status-pill { padding: .4rem .65rem; border-radius: 99rem; font-size: .72rem; font-weight: 800; }
.status-pill--ok { color: var(--color-brand-strong); background: var(--color-brand-soft); }
.status-pill--error { color: #7d2922; background: #fae9e7; }
.requirement-list { display: grid; gap: 0; padding: 0; margin: 0; list-style: none; }
.requirement-list li { display: grid; grid-template-columns: auto 1fr auto; gap: .85rem; align-items: center; padding: .9rem 0; border-top: 1px solid var(--color-border); }
.requirement-list li:first-child { border-top: 0; }
.requirement-list li > span:nth-child(2) { display: grid; gap: .15rem; }
.requirement-list small { color: var(--color-muted); }
.requirement-state { display: grid; width: 1.8rem; height: 1.8rem; place-items: center; border-radius: 50%; font-weight: 850; }
.requirement-state.is-ok { color: var(--color-brand-strong); background: var(--color-brand-soft); }
.requirement-state.is-error { color: #7d2922; background: #fae9e7; }
.requirement-state.is-optional { color: var(--color-muted); background: #edf0ed; }
.installer-fields { display: grid; gap: 1rem; }
.installer-fields--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.installer-fields .field input, .installer-fields .field select { width: 100%; min-height: 3rem; padding: .7rem .85rem; border: 1px solid #cbd6cd; border-radius: var(--radius-small); outline: none; background: #fbfcfb; }
.installer-fields .field input:focus, .installer-fields .field select:focus { border-color: var(--color-brand); box-shadow: 0 0 0 3px var(--color-brand-soft); }
.installer-check { display: flex; gap: .8rem; align-items: flex-start; padding: 1rem; margin-top: 1.25rem; border-radius: var(--radius-small); background: #f5f7f5; cursor: pointer; }
.installer-check input { width: 1.1rem; height: 1.1rem; margin-top: .12rem; accent-color: var(--color-brand); }
.installer-check span { display: grid; gap: .25rem; }
.installer-check small { color: var(--color-muted); line-height: 1.5; }
.installer-success { display: grid; grid-template-columns: auto 1fr; gap: 1.25rem; align-items: start; }
.installer-success__mark { display: grid; width: 3rem; height: 3rem; place-items: center; border-radius: 50%; color: white; background: var(--color-brand); font-size: 1.4rem; font-weight: 900; }
.installer-success p { color: var(--color-muted); }
.installer-success .button { margin-top: .5rem; text-decoration: none; }
.installer-security-ok { color: var(--color-brand-strong) !important; font-weight: 700; }
.installer-security-warning { padding: .75rem; border-radius: var(--radius-small); color: #7a4519 !important; background: #fff1df; }

.topbar { display: flex; min-height: 4.5rem; align-items: center; justify-content: space-between; padding: 0 max(1.25rem, calc((100vw - var(--page-width)) / 2)); border-bottom: 1px solid var(--color-border); background: rgba(255,255,255,.9); }
.topbar__context, .topbar__tools { display: flex; align-items: center; gap: 1rem; }
.topbar__tools > form { margin: 0; }
.topbar-club { display: flex; align-items: center; gap: .45rem; padding-left: 1rem; border-left: 1px solid var(--color-border); }
.topbar-club select { min-height: 2.35rem; max-width: 17rem; padding: 0 2rem 0 .75rem; border: 1px solid var(--color-border); border-radius: var(--radius-small); color: var(--color-ink); background: white; font-weight: 700; }
.topbar-club__name { max-width: 20rem; overflow: hidden; padding-left: 1rem; border-left: 1px solid var(--color-border); font-size: .86rem; font-weight: 750; text-overflow: ellipsis; white-space: nowrap; }
.page-container { width: min(var(--page-width), calc(100% - 2.5rem)); margin: 0 auto; padding: 3.5rem 0 5rem; }
.page-heading { display: flex; justify-content: space-between; margin-bottom: 2rem; }
.page-heading__actions { display: flex; align-items: flex-end; gap: .75rem; flex-wrap: wrap; justify-content: flex-end; }
.page-heading--narrow { max-width: 42rem; }
.page-heading h1 { margin: 0 0 .5rem; font-size: clamp(2rem, 4vw, 3.2rem); letter-spacing: -.045em; }
.page-heading p:last-child { margin: 0; color: var(--color-muted); }
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.metric-card, .content-card { border: 1px solid var(--color-border); border-radius: var(--radius-medium); background: var(--color-surface); box-shadow: 0 8px 30px rgba(35,55,43,.045); }
.metric-card { display: grid; min-height: 10rem; padding: 1.25rem; align-content: space-between; }
.metric-card span { color: var(--color-muted); font-size: .85rem; font-weight: 650; }
.metric-card strong { font-size: 2.4rem; letter-spacing: -.04em; }
.metric-card small { color: var(--color-brand); }
.metric-card--warning small { color: var(--color-warning); }
.content-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1rem; }
.dashboard-calendar-card { margin-top: 1rem; overflow: hidden; }
.dashboard-calendar__heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.dashboard-calendar__heading h2 { margin: 0; }
.period-switcher { display: inline-flex; gap: .2rem; padding: .2rem; border-radius: .75rem; background: #eef3ee; }
.period-switcher a { padding: .48rem .7rem; border-radius: .58rem; color: var(--color-muted); font-size: .76rem; text-decoration: none; }
.period-switcher a.is-active { color: white; background: var(--color-brand); }
.dashboard-calendar { display: grid; grid-template-columns: repeat(7, minmax(8.5rem, 1fr)); overflow-x: auto; border-top: 1px solid var(--color-border); border-left: 1px solid var(--color-border); }
.calendar-day { min-height: 7.2rem; padding: .65rem; border-right: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); background: white; }
.calendar-day.is-today { background: #f1f8f3; box-shadow: inset 0 3px 0 var(--color-brand); }
.calendar-day > header { display: flex; align-items: baseline; justify-content: space-between; gap: .5rem; margin-bottom: .55rem; }
.calendar-day > header span { color: var(--color-muted); font-size: .68rem; font-weight: 750; text-transform: uppercase; }
.calendar-day > header strong { font-size: .82rem; }
.calendar-day__events { display: grid; gap: .4rem; }
.calendar-event { display: grid; gap: .08rem; padding: .42rem .48rem; border-left: 4px solid; border-radius: .35rem; font-size: .7rem; line-height: 1.3; background: #eff5f1; }
.calendar-event strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.calendar-event time { font-variant-numeric: tabular-nums; font-weight: 750; }
.calendar-event small { overflow: hidden; color: var(--color-muted); text-overflow: ellipsis; white-space: nowrap; }
.calendar-event--green { border-color: #258052; background: #e8f5ed; }
.calendar-event--blue { border-color: #3478b8; background: #eaf2fa; }
.calendar-event--amber { border-color: #c17a20; background: #fff3df; }
.calendar-event--red { border-color: #b94a42; background: #faecea; }
.calendar-event--purple { border-color: #7759aa; background: #f1ecf8; }
.calendar-event--teal { border-color: #27858a; background: #e7f5f5; }
.calendar-empty { margin: 1rem 0 0; color: var(--color-muted); font-size: .84rem; }
.dashboard-secondary { display: grid; grid-template-columns: minmax(0, 1fr); max-width: 38rem; margin-top: 1rem; }
.system-version-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.system-version-grid article { display: grid; gap: .55rem; }
.system-version-grid span { color: var(--color-muted); font-size: .78rem; font-weight: 750; }
.system-version-grid strong { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 1.15rem; }
.system-update-card { max-width: 60rem; }
.system-update-card__heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.system-update-card__heading h2 { margin: 0 0 .25rem; }
.system-update-card__heading small { color: var(--color-muted); }
.migration-list { display: grid; gap: .55rem; padding: 0; margin: 1.25rem 0; list-style: none; }
.migration-list li { display: grid; grid-template-columns: 8.5rem 1fr; gap: 1rem; padding: .75rem; border: 1px solid var(--color-border); border-radius: var(--radius-small); }
.migration-list code { color: var(--color-brand-strong); font-weight: 750; }
.content-card { padding: 1.5rem; }
.content-card h2 { margin: 0 0 .45rem; }
.content-card > p:not(.eyebrow) { color: var(--color-muted); }
.avatar-row { display: flex; align-items: center; margin-top: 2rem; }
.avatar-row span { display: grid; width: 2.25rem; height: 2.25rem; place-items: center; margin-right: -.4rem; border: 2px solid white; border-radius: 50%; color: var(--color-brand-strong); background: var(--color-brand-soft); font-size: .7rem; font-weight: 800; }
.avatar-row small { margin-left: 1rem; color: var(--color-muted); }
.activity-list { display: grid; gap: 1rem; padding: 0; margin: 1.25rem 0 0; list-style: none; }
.activity-list li { display: grid; grid-template-columns: .65rem 1fr; gap: .7rem; align-items: start; }
.activity-list div { display: grid; gap: .18rem; }
.activity-list small { color: var(--color-muted); }
.activity-dot { width: .55rem; height: .55rem; margin-top: .3rem; border-radius: 50%; background: var(--color-brand); box-shadow: 0 0 0 4px var(--color-brand-soft); }
.club-grid { display: grid; max-width: 52rem; gap: 1rem; }
.club-card { display: grid; grid-template-columns: auto 1fr auto; gap: 1rem; align-items: center; padding: 1.15rem; border: 1px solid var(--color-border); border-radius: var(--radius-medium); background: white; box-shadow: 0 8px 30px rgba(35,55,43,.045); }
.club-card__mark { display: grid; width: 3rem; height: 3rem; place-items: center; border-radius: .9rem; color: var(--color-brand-strong); background: var(--color-brand-soft); font-size: 1.15rem; font-weight: 850; }
.club-card h2 { margin: 0 0 .2rem; font-size: 1.05rem; }
.club-card small { color: var(--color-muted); }
.member-filter-card { margin-bottom: 1rem; }
.member-filters { display: grid; grid-template-columns: minmax(15rem, 2fr) minmax(11rem, 1fr) auto; gap: .8rem; align-items: end; }
.member-filters select, .member-form select { width: 100%; min-height: 3rem; padding: .7rem .85rem; border: 1px solid #cbd6cd; border-radius: var(--radius-small); background: #fbfcfb; }
.member-list-card { padding: 0; overflow: hidden; }
.member-list-summary { padding: 1rem 1.2rem; border-bottom: 1px solid var(--color-border); color: var(--color-muted); font-size: .82rem; font-weight: 750; }
.table-scroll { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: .9rem 1.2rem; border-bottom: 1px solid var(--color-border); text-align: left; white-space: nowrap; }
.data-table th { color: var(--color-muted); background: #fafbfa; font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; }
.data-table__actions { text-align: right !important; }
.data-table__actions a { color: var(--color-brand); font-weight: 750; }
.status-pill--active { color: #17633a; background: #e5f5eb; }
.status-pill--inactive { color: #70511d; background: #fff2d9; }
.status-pill--archived { color: #5f6670; background: #edf0f2; }
.member-list-card .empty-state { max-width: none; border: 0; border-radius: 0; text-align: center; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 1rem; padding: 1rem; }
.pagination span { color: var(--color-muted); font-size: .85rem; font-weight: 700; }
.detail-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 1rem; }
.detail-card h2 { margin-top: 0; }
.detail-card--placeholder { background: #f8faf8; }
.detail-list { display: grid; gap: 0; margin: 0; }
.detail-list div { display: grid; grid-template-columns: minmax(9rem, .7fr) 1fr; gap: 1rem; padding: .85rem 0; border-bottom: 1px solid var(--color-border); }
.detail-list dt { color: var(--color-muted); font-size: .8rem; font-weight: 750; }
.detail-list dd { margin: 0; font-weight: 700; }
.danger-zone { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 1rem; padding: 1.2rem; border: 1px solid #efc7c4; border-radius: var(--radius-medium); background: #fff8f7; }
.danger-zone h2 { margin: 0 0 .3rem; font-size: 1rem; }
.danger-zone p { margin: 0; color: var(--color-muted); }
.button--danger { color: white; background: #a5342c; }
.member-form { max-width: 52rem; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.empty-state { max-width: 42rem; padding: 2rem; border: 1px dashed #bcc9be; border-radius: var(--radius-medium); color: var(--color-muted); background: rgba(255,255,255,.55); }
.training-group-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: .8rem; }
.training-group-card { display: grid; grid-template-columns: auto 1fr auto; gap: .8rem; align-items: center; padding: 1rem; border: 1px solid var(--color-border); border-radius: var(--radius-medium); color: inherit; text-decoration: none; background: #fff; }
.training-group-card:hover { border-color: #99aa9c; box-shadow: 0 7px 20px rgba(35,55,43,.08); }
.training-group-card span:nth-child(2) { display: grid; gap: .2rem; }
.training-group-card small { color: var(--color-muted); }
.training-color { display: inline-block; width: .8rem; height: .8rem; margin-right: .45rem; border-radius: 50%; vertical-align: .08rem; background: #4d9868; }
.training-color--blue { background: #3979bd; }
.training-color--amber { background: #d58a25; }
.training-color--red { background: #c9574e; }
.training-color--purple { background: #815cb1; }
.training-color--teal { background: #318e8b; }
.status-pill--scheduled { color: #17633a; background: #e5f5eb; }
.status-pill--cancelled { color: #7a302a; background: #fae5e3; }
.link-button { padding: 0; border: 0; color: #a5342c; background: transparent; font: inherit; font-weight: 750; cursor: pointer; }
.checkbox-field { display: flex; align-items: center; gap: .55rem; margin-top: 1rem; }
.checkbox-field input { width: 1.1rem; height: 1.1rem; }
.field textarea { width: 100%; padding: .75rem .85rem; border: 1px solid #cbd6cd; border-radius: var(--radius-small); background: #fbfcfb; resize: vertical; }
.training-coaches { margin-bottom: 1rem; }
.coach-assignment-form { display: grid; grid-template-columns: minmax(14rem, 2fr) minmax(10rem, 1fr) minmax(10rem, 1fr) auto; gap: .75rem; align-items: end; margin-top: 1.2rem; }
.coach-assignment-form select { width: 100%; min-height: 3rem; padding: .7rem .85rem; border: 1px solid #cbd6cd; border-radius: var(--radius-small); background: #fbfcfb; }
.permission-groups { display: grid; gap: 1rem; }
.permission-description { display: block; max-width: 38rem; margin-top: .25rem; color: var(--color-muted); white-space: normal; }
.permission-form { display: flex; align-items: center; gap: .5rem; }
.permission-form select { min-height: 2.5rem; padding: .5rem .65rem; border: 1px solid #cbd6cd; border-radius: var(--radius-small); background: #fbfcfb; }

@media (max-width: 850px) {
    .auth-panel { grid-template-columns: 1fr; }
    .auth-intro { min-height: 18rem; }
    .auth-intro__copy { margin: 3rem 0 1rem; }
    .auth-intro h1 { font-size: 3rem; }
    .auth-card__tools { margin-bottom: 2rem; }
    .metric-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
    .auth-container { padding: 0; }
    .auth-panel { min-height: 100vh; border: 0; border-radius: 0; }
    .auth-intro { min-height: 15rem; padding: 1.5rem; }
    .auth-intro__copy { margin: 2rem 0 0; }
    .auth-intro h1 { font-size: 2.35rem; }
    .security-note { display: none; }
    .auth-card { padding: 2rem 1.5rem; }
    .form-actions { align-items: stretch; flex-direction: column-reverse; }
    .metric-grid, .content-grid { grid-template-columns: 1fr; }
    .club-card { grid-template-columns: auto 1fr; }
    .club-card .button { grid-column: 1 / -1; }
    .topbar { align-items: flex-start; gap: 1rem; padding: 1rem; flex-direction: column; }
    .topbar__context, .topbar__tools { width: 100%; flex-wrap: wrap; }
    .topbar__tools { justify-content: space-between; }
    .topbar-club { max-width: 100%; }
    .topbar-club select { max-width: min(14rem, 55vw); }
    .dashboard-calendar__heading { align-items: stretch; flex-direction: column; }
    .period-switcher { align-self: flex-start; }
    .installer-container { width: min(100% - 1rem, 56rem); padding: 1.5rem 0; }
    .installer-heading { padding: 0 .5rem; }
    .installer-heading .brand { margin-bottom: 2.5rem; }
    .installer-steps { grid-template-columns: 1fr; }
    .installer-fields--two { grid-template-columns: 1fr; }
    .installer-fields--two > span:empty { display: none; }
    .requirement-list li { grid-template-columns: auto 1fr; }
    .requirement-list li > small { grid-column: 2; }
    .installer-success { grid-template-columns: 1fr; }
    .member-filters, .detail-grid, .coach-assignment-form { grid-template-columns: 1fr; }
    .system-version-grid { grid-template-columns: 1fr; }
    .page-heading, .danger-zone { align-items: stretch; flex-direction: column; }
    .page-heading__actions { justify-content: flex-start; }
}