:root {
    color-scheme: light;
    --ink: #172727;
    --ink-soft: #334443;
    --green: #5f7842;
    --lime: #a9bd73;
    --paper: #f4f5f1;
    --white: #ffffff;
    --line: #d6dcd7;
    --muted: #64716c;
    --blue: #23677a;
    --amber: #8c6227;
    --red: #9f4038;
    font-family: Arial, "Helvetica Neue", sans-serif;
    color: var(--ink);
    background: var(--paper);
    font-size: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; background: var(--paper); }
button, input, textarea, select { font: inherit; }
a { color: var(--blue); }
.skip-link { position: fixed; top: -5rem; left: 1rem; z-index: 100; padding: .75rem 1rem; background: var(--ink); color: var(--white); }
.skip-link:focus { top: 1rem; }
:focus-visible { outline: 3px solid #e0a530; outline-offset: 2px; }

.topbar { min-height: 68px; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 20px; background: var(--white); border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 9px; color: var(--ink); text-decoration: none; font-weight: 800; }
.brand strong { padding-left: 9px; border-left: 1px solid var(--line); font-size: .8rem; font-weight: 600; }
.brand-mark { width: 18px; height: 18px; position: relative; border-radius: 50%; background: var(--green); }
.brand-mark::after { content: ""; position: absolute; width: 2px; height: 9px; left: 8px; top: 13px; background: var(--ink); }
.topbar-actions, .account { display: flex; align-items: center; gap: 16px; }
.account > span { display: flex; flex-direction: column; text-align: right; font-size: .82rem; }
.account small { margin-top: 2px; color: var(--muted); }

main { min-height: calc(100vh - 108px); }
.page-shell { width: min(1440px, 100%); margin: 0 auto; padding: 34px clamp(18px, 4vw, 56px) 56px; }
.page-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.page-heading h1 { margin: 5px 0 7px; font-size: clamp(1.8rem, 3vw, 2.5rem); line-height: 1.1; letter-spacing: 0; }
.page-heading p { margin: 0; color: var(--muted); }
.eyebrow { margin: 0; color: var(--green) !important; font-size: .74rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0; }
.virtual-period { min-width: 230px; padding: 15px 18px; border-radius: 5px; background: var(--ink); color: var(--white); }
.virtual-period span, .virtual-period strong { display: block; }
.virtual-period span { margin-bottom: 5px; color: #cbd5d0; font-size: .75rem; }
.virtual-period strong { font-size: .92rem; }

.button { min-height: 40px; padding: 9px 14px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid transparent; border-radius: 4px; font-weight: 750; text-decoration: none; cursor: pointer; }
.button-primary { background: var(--ink); color: var(--white); }
.button-primary:hover { background: #29403f; }
.button-secondary { background: var(--white); color: var(--ink); border-color: #aeb8b2; }
.button-secondary:hover { background: #eef1ec; }

.alert { margin-bottom: 22px; padding: 13px 16px; border-left: 4px solid; background: var(--white); }
.alert p { margin: 5px 0 0; }
.alert-success { border-color: var(--green); }
.alert-error, .field-errors { border-color: var(--red); color: #7f302a; }

.login-shell { width: min(1040px, calc(100% - 32px)); min-height: calc(100vh - 168px); margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(300px, .9fr); align-items: center; gap: clamp(28px, 7vw, 88px); }
.login-panel { padding: 38px 0; }
.login-panel h1 { margin: 8px 0 12px; font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.04; letter-spacing: 0; }
.intro { max-width: 560px; margin: 0 0 28px; color: var(--muted); line-height: 1.6; }
.form-stack { display: grid; gap: 17px; }
.form-stack > label, .upload-form > label { display: grid; gap: 7px; font-size: .85rem; font-weight: 750; }
input, textarea, select { width: 100%; border: 1px solid #b7c1bb; border-radius: 4px; background: var(--white); color: var(--ink); padding: 11px 12px; }
textarea { resize: vertical; }
.checkbox-label { grid-template-columns: auto 1fr !important; align-items: center; font-weight: 500 !important; }
.checkbox-label input { width: 18px; height: 18px; }
.form-stack .button { margin-top: 4px; }
.login-context { padding: 26px; border-left: 1px solid var(--line); }
.login-context h2 { margin: 8px 0 22px; font-size: 1.5rem; letter-spacing: 0; }
.login-context dl { margin: 0; }
.login-context dl div { padding: 13px 0; border-top: 1px solid var(--line); }
.login-context dt { color: var(--muted); font-size: .72rem; font-weight: 800; text-transform: uppercase; }
.login-context dd { margin: 5px 0 0; }

.phase-track { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin-bottom: 28px; background: var(--line); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.phase-step { min-height: 92px; padding: 14px; display: grid; grid-template-columns: 30px 1fr; grid-template-rows: auto auto; align-items: center; gap: 2px 9px; background: var(--white); color: var(--ink); text-decoration: none; }
.phase-step > span { grid-row: 1 / 3; width: 30px; height: 30px; display: grid; place-items: center; border: 2px solid #aab4ae; border-radius: 50%; font-weight: 800; }
.phase-step strong { align-self: end; font-size: .9rem; }
.phase-step small { color: var(--muted); }
.phase-open > span { background: var(--lime); border-color: var(--green); }
.phase-closed > span { background: var(--green); border-color: var(--green); color: var(--white); }
.phase-upcoming { background: #f0f2ee; }

.phase-section, .history-section, .empty-state { margin-top: 22px; padding: 24px; border: 1px solid var(--line); border-radius: 6px; background: var(--white); }
.section-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.section-heading h2 { margin: 5px 0 0; font-size: 1.35rem; letter-spacing: 0; }
.phase-columns { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.35fr); gap: 30px; }
.phase-columns h3 { margin: 0 0 14px; font-size: 1rem; }
.status { width: max-content; padding: 5px 9px; display: inline-flex; border-radius: 999px; font-size: .72rem; font-weight: 800; white-space: nowrap; }
.status-open, .status-received { background: #e5edde; color: #365421; }
.status-upcoming, .status-expected { background: #f0ede2; color: #765c1b; }
.status-closed { background: #e4edf0; color: #285864; }
.status-archived { background: #e8e8e8; color: #525252; }
.locked-content { padding: 22px; border-left: 4px solid #9fa9a3; background: #f2f3f0; }
.locked-content p { margin: 5px 0 0; color: var(--muted); }

.resource-list, .deliverable-list { display: grid; gap: 10px; }
.resource-item { padding: 15px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border: 1px solid var(--line); border-radius: 5px; }
.resource-item h4, .deliverable-item h4 { margin: 4px 0; font-size: .94rem; letter-spacing: 0; }
.resource-item p, .deliverable-item > p { margin: 4px 0 0; color: var(--muted); font-size: .83rem; line-height: 1.45; }
.file-type, .competency { color: var(--green); font-size: .68rem; font-weight: 850; }
.deliverable-item { padding: 17px; border: 1px solid var(--line); border-radius: 5px; }
.deliverable-item > header { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.delivery-meta { margin: 14px 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.delivery-meta div { padding-top: 9px; border-top: 1px solid var(--line); }
.delivery-meta dt { color: var(--muted); font-size: .67rem; font-weight: 800; text-transform: uppercase; }
.delivery-meta dd { margin: 4px 0 0; font-size: .78rem; }
.upload-disclosure { margin-top: 15px; border-top: 1px solid var(--line); padding-top: 12px; }
.upload-disclosure summary { color: var(--blue); font-weight: 750; cursor: pointer; }
.upload-form { margin-top: 14px; display: grid; gap: 14px; }
.selected-files, .optional { color: var(--muted); font-weight: 400; }
.field-errors { padding: 10px 12px; border-left: 3px solid var(--red); background: #f8ece9; font-size: .82rem; }
.muted { color: var(--muted); }

.table-scroll { overflow-x: auto; }
table { width: 100%; min-width: 760px; border-collapse: collapse; }
th, td { padding: 13px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; font-size: .83rem; }
th { background: #f0f2ee; color: var(--muted); font-size: .69rem; text-transform: uppercase; }
td small { display: block; margin-top: 4px; color: var(--muted); }
.file-link { display: block; margin-bottom: 4px; overflow-wrap: anywhere; }
.empty-state { max-width: 760px; margin: 80px auto; }
.empty-state h1 { margin: 8px 0; font-size: 1.8rem; letter-spacing: 0; }

.password-shell { grid-template-columns: minmax(0, 640px); justify-content: center; }
.form-help { margin: -4px 0 0; color: var(--muted); font-size: .78rem; }
.admin-shell { max-width: 1320px; }
.admin-summary { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-block: 1px solid var(--line); background: var(--white); }
.admin-summary div { min-height: 92px; padding: 18px; display: flex; flex-direction: column; justify-content: center; border-right: 1px solid var(--line); }
.admin-summary div:last-child { border-right: 0; }
.admin-summary strong { font-size: 1.75rem; line-height: 1; }
.admin-summary span { margin-top: 7px; color: var(--muted); font-size: .76rem; font-weight: 700; }
.admin-section { margin-top: 38px; padding-top: 26px; border-top: 1px solid var(--line); }
.admin-tools { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.admin-tool { align-self: start; border: 1px solid var(--line); border-radius: 5px; background: var(--white); }
.admin-tool summary { padding: 16px 18px; font-weight: 800; cursor: pointer; }
.admin-tool[open] summary { border-bottom: 1px solid var(--line); }
.admin-form { padding: 18px; display: grid; gap: 14px; }
.admin-quick-action { padding: 0 18px 18px; }
.admin-form label { display: grid; gap: 6px; color: var(--ink-soft); font-size: .8rem; font-weight: 750; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.admin-table-gap { margin-top: 22px; }

footer { min-height: 40px; padding: 10px 20px; display: flex; align-items: center; justify-content: center; background: var(--ink); color: #cbd2ce; font-size: .72rem; text-align: center; }

@media (max-width: 900px) {
    .phase-columns { grid-template-columns: 1fr; }
    .delivery-meta { grid-template-columns: 1fr 1fr; }
    .admin-summary { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .admin-summary div { border-bottom: 1px solid var(--line); }
}

@media (max-width: 680px) {
    .topbar { padding: 12px 14px; align-items: flex-start; }
    .account { align-items: flex-end; flex-direction: column; gap: 8px; }
    .topbar-actions { align-items: flex-end; flex-direction: column; gap: 8px; }
    .page-heading { flex-direction: column; }
    .virtual-period { min-width: 0; width: 100%; }
    .login-shell { display: block; }
    .login-context { border-top: 1px solid var(--line); border-left: 0; padding: 24px 0 40px; }
    .phase-track { grid-template-columns: 1fr 1fr; }
    .phase-step { min-height: 78px; }
    .phase-section, .history-section { padding: 18px 14px; }
    .resource-item, .deliverable-item > header, .section-heading { align-items: flex-start; flex-direction: column; }
    .delivery-meta { grid-template-columns: 1fr; }
    .admin-summary { grid-template-columns: 1fr 1fr; }
    .admin-tools, .form-row { grid-template-columns: 1fr; }
}