:root {
    --bg: #f5f7f9;
    --surface: #ffffff;
    --ink: #173042;
    --muted: #6b7b87;
    --line: #dce4e8;
    --primary: #0167a0;
    --primary-dark: #00517f;
    --danger: #b42318;
    --shadow: 0 8px 24px rgba(20, 48, 66, .08);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--bg); line-height: 1.45; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, select, input[type="submit"], input[type="button"] { cursor: pointer; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 4px; font-size: clamp(1.65rem, 4vw, 2.25rem); letter-spacing: -.03em; }
h2 { font-size: 1.15rem; margin-bottom: 12px; }
h3 { margin-bottom: 3px; font-size: 1.05rem; }

.topbar { min-height: 62px; padding: 10px max(18px, calc((100vw - 1180px) / 2)); display: flex; align-items: center; justify-content: space-between; gap: 18px; background: var(--surface); border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 800; letter-spacing: -.02em; color: var(--ink); }
.brand.large { font-size: 1.55rem; margin-bottom: 18px; }
.brand-logo { display: block; width: 38px; height: 38px; object-fit: cover; border-radius: 9px; }
.brand.large .brand-logo { width: 68px; height: 68px; border-radius: 14px; }
.brand-mark { display: inline-grid; place-items: center; width: 29px; height: 29px; border-radius: 9px; color: #fff; background: var(--primary); font-weight: 800; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.project-switcher select { max-width: 210px; }
.icon-link { font-size: 1.35rem; color: var(--muted); padding: 7px; }
.main-nav { display: flex; gap: 4px; padding: 0 max(14px, calc((100vw - 1180px) / 2)); background: var(--surface); border-bottom: 1px solid var(--line); overflow-x: auto; }
.main-nav a { padding: 12px 12px 10px; color: var(--muted); white-space: nowrap; border-bottom: 3px solid transparent; font-size: .92rem; }
.main-nav a.active { color: var(--primary); border-color: var(--primary); font-weight: 700; }
.container { width: min(1180px, calc(100% - 28px)); margin: 0 auto; padding: 28px 0 54px; }
.auth-shell { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.auth-card { width: min(440px, 100%); padding: 30px; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
.install-card { width: min(520px, 100%); }
.muted { color: var(--muted); }
.tiny { font-size: .8rem; }
.eyebrow { margin-bottom: 4px; color: var(--primary); text-transform: uppercase; letter-spacing: .12em; font-weight: 800; font-size: .72rem; }
.page-heading, .section-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.page-heading-actions { display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-end; gap: 9px; }
.list-controls { margin-top: 16px; }
.list-controls-summary { display: flex; align-items: center; gap: 10px; min-height: 44px; padding: 10px 13px; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 11px; cursor: pointer; font-weight: 800; list-style: none; }
.list-controls-summary::-webkit-details-marker { display: none; }
.list-controls-summary::after { content: "⌄"; margin-left: auto; color: var(--primary); font-size: 1.15rem; line-height: 1; transition: transform .15s ease; }
.list-controls[open] > .list-controls-summary::after { transform: rotate(180deg); }
.list-controls-summary:focus-visible { outline: 3px solid rgba(1, 103, 160, .2); outline-offset: 2px; }
.list-controls-current { color: var(--muted); font-size: .8rem; font-weight: 700; }
.list-controls-body { margin-top: 10px; padding: 12px; background: #fafdff; border: 1px solid var(--line); border-radius: 13px; }
.list-controls-body .page-heading-actions { justify-content: flex-start; margin-bottom: 14px; }
.list-controls-body .filter-strip { margin-top: 0; }
.list-controls-body .filter-controls { margin-bottom: 12px; }
.list-controls-body .bulk-toolbar { margin-bottom: 0; }
.section-heading { align-items: center; }
.section-title { margin-top: 28px; }
.center { text-align: center; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 40px; padding: 9px 14px; border: 1px solid transparent; border-radius: 10px; font-weight: 750; transition: transform .12s ease, background .12s ease; }
.button:hover, .small-button:hover, .round-button:hover { transform: translateY(-1px); }
.button.primary { color: #fff; background: var(--primary); }
.button.primary:hover { background: var(--primary-dark); }
.button.secondary { color: var(--ink); background: #fff; border-color: var(--line); }
.button.ghost { background: transparent; }
.button.danger { color: var(--danger); }
.button.small { min-height: 34px; padding: 6px 10px; font-size: .84rem; }
.button.wide { width: 100%; }
.button-stack { display: grid; gap: 10px; }
.text-link, .edit-link { color: var(--primary); font-weight: 700; }
.edit-link { font-size: .82rem; white-space: nowrap; }

label { display: grid; gap: 6px; color: var(--ink); font-weight: 650; font-size: .9rem; }
input, select, textarea { width: 100%; min-height: 42px; padding: 9px 11px; color: var(--ink); background: #fff; border: 1px solid #cbd6dc; border-radius: 9px; outline: none; }
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(1, 103, 160, .13); }
.stack-form { display: grid; gap: 14px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.form-grid .full { grid-column: 1 / -1; }
.form-actions { display: flex; justify-content: space-between; gap: 10px; margin-top: 20px; }
.check-label { display: flex; grid-template-columns: auto 1fr; align-items: center; gap: 9px; }
.check-label input { width: 20px; min-height: 20px; accent-color: var(--primary); }
.inline-form { display: flex; flex-wrap: wrap; align-items: end; gap: 10px; }
.inline-form label { min-width: 150px; }

.flash { margin-bottom: 18px; padding: 12px 14px; border-radius: 10px; border: 1px solid; font-weight: 650; }
.flash.success { color: #12613c; background: #eaf8ef; border-color: #a8dfbd; }
.flash.error { color: #8c1d18; background: #fff0ef; border-color: #f0b4b0; }
.progress-summary { padding: 22px; margin: 20px 0 28px; background: linear-gradient(135deg, #e8f4fb, #fff); border: 1px solid #b8d8ea; border-radius: 16px; }
.progress-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.progress-card { min-width: 0; }
.progress-card .summary-number { font-size: 2.15rem; }
.richten-progress span { background: #7c3aed; }
.pack-progress span { background: #0f766e; }
.summary-main { display: flex; align-items: baseline; gap: 10px; }
.summary-number { color: var(--primary-dark); font-size: 2.6rem; font-weight: 850; letter-spacing: -.06em; }
.summary-label { font-weight: 750; }
.large-progress, .progress-track { overflow: hidden; background: #d8e4e5; border-radius: 999px; }
.large-progress { height: 12px; margin: 12px 0 8px; }
.large-progress span, .progress-track span { display: block; height: 100%; background: var(--primary); border-radius: inherit; }
.summary-foot { display: flex; justify-content: space-between; color: var(--muted); font-size: .88rem; }
.quick-grid, .person-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.quick-card, .person-card { position: relative; display: grid; gap: 4px; padding: 16px; background: var(--surface); border: 1px solid var(--line); border-left: 5px solid var(--quick-color, #94a3b8); border-radius: 12px; box-shadow: 0 2px 7px rgba(20, 48, 66, .03); }
.quick-card.teal { --quick-color: var(--primary); }
.quick-card span, .person-card span { color: var(--muted); font-size: .82rem; }
.person-card { border-left-color: #94a3b8; }

.filter-strip { display: flex; gap: 8px; margin: 20px 0 12px; overflow-x: auto; padding-bottom: 3px; }
.filter-chip { display: inline-flex; flex: 0 0 auto; align-items: center; gap: 5px; min-height: 34px; padding: 7px 11px; color: var(--muted); background: var(--surface); border: 1px solid var(--line); border-radius: 999px; font-size: .84rem; font-weight: 700; }
.filter-chip::before { content: ""; width: 7px; height: 7px; background: var(--chip-color, #cbd5e1); border-radius: 50%; }
.filter-chip.active { color: #fff; background: var(--primary); border-color: var(--primary); }
.filter-chip.active::before { background: #fff; }
.filter-controls { display: flex; align-items: flex-end; justify-content: space-between; gap: 14px; margin-bottom: 22px; }
.view-toggle { display: inline-flex; padding: 3px; background: #e7edf0; border-radius: 10px; }
.view-toggle a { padding: 6px 10px; color: var(--muted); border-radius: 8px; font-size: .82rem; font-weight: 750; }
.view-toggle a.active { color: var(--ink); background: #fff; box-shadow: 0 1px 3px rgba(20, 48, 66, .12); }
.more-filters { color: var(--muted); font-size: .88rem; }
.more-filters summary { cursor: pointer; font-weight: 700; }
.details-content { display: grid; gap: 9px; margin-top: 10px; padding: 12px; background: #fff; border: 1px solid var(--line); border-radius: 10px; }
.small-links { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.small-links a { color: var(--primary); }
.small-links a.active-filter-link { padding: 4px 8px; color: #fff; background: var(--primary); border-radius: 7px; }
.dot { display: inline-block; width: 10px; height: 10px; margin-right: 4px; border-radius: 50%; }
.item-group { margin-top: 20px; }
.item-group > .group-heading { display: flex; align-items: center; gap: 9px; margin: 0 0 8px; padding: 0 0 7px; border-bottom: 1px solid var(--line); cursor: pointer; list-style: none; font-size: 1rem; font-weight: 750; }
.item-group > .group-heading::-webkit-details-marker { display: none; }
.item-group > .group-heading::after { content: "⌄"; margin-left: auto; color: var(--primary); font-size: 1.1rem; line-height: 1; transition: transform .15s ease; }
.item-group[open] > .group-heading::after { transform: rotate(180deg); }
.group-heading span { display: inline-grid; place-items: center; min-width: 23px; height: 23px; padding: 0 5px; color: var(--muted); background: #e7edf0; border-radius: 999px; font-size: .76rem; }
.item-summary { display: flex; align-items: center; min-height: 28px; cursor: pointer; list-style: none; }
.item-summary::-webkit-details-marker { display: none; }
.item-summary::after { content: "⌄"; margin-left: auto; padding-left: 10px; color: var(--primary); font-size: 1.05rem; line-height: 1; transition: transform .15s ease; }
.item-card[open] > .item-summary::after { transform: rotate(180deg); }
.item-summary .item-heading-main { flex: 1; }
.item-summary h3 { margin: 0; }
.item-expanded { margin-top: 12px; padding: 12px 0 0 31px; border-top: 1px solid var(--line); }
.item-expanded-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.return-focus { animation: return-focus 1.8s ease-out; }
@keyframes return-focus { 0%, 55% { box-shadow: 0 0 0 4px rgba(1, 103, 160, .35); } 100% { box-shadow: 0 2px 7px rgba(20, 48, 66, .03); } }
.item-list { display: grid; gap: 10px; }
.bulk-toolbar { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; padding: 10px 12px; margin: 8px 0 18px; background: #edf7fc; border: 1px solid #b8d8ea; border-radius: 12px; }
.bulk-select-all { display: inline-flex; align-items: center; gap: 7px; font-size: .86rem; white-space: nowrap; }
.bulk-select-all input, .item-select { width: 21px; min-height: 21px; margin: 0; accent-color: var(--primary); }
.bulk-count { color: var(--muted); font-size: .82rem; font-weight: 700; }
.bulk-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; margin-left: auto; }
.bulk-actions select { width: auto; min-width: 150px; min-height: 34px; padding: 6px 9px; font-size: .82rem; }
.item-card { padding: 16px; background: var(--surface); border: 1px solid var(--line); border-left: 5px solid var(--item-color, #cbd5e1); border-radius: 13px; box-shadow: 0 2px 7px rgba(20, 48, 66, .03); }
.item-card.is-complete { opacity: .7; }
.item-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.item-heading-main { display: flex; align-items: flex-start; gap: 10px; min-width: 0; }
.item-heading-main .item-select { margin-top: 3px; flex: 0 0 auto; }
.meta-line { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; color: var(--muted); font-size: .81rem; }
.color-label { display: inline-flex; align-items: center; gap: 4px; }
.color-label i { width: 9px; height: 9px; border-radius: 50%; }
.item-note { margin: 10px 0 0; color: var(--muted); font-size: .88rem; }
.activities { display: grid; gap: 11px; margin-top: 14px; }
.activity-row { display: grid; grid-template-columns: minmax(150px, .8fr) minmax(90px, 1.2fr) auto; align-items: center; gap: 10px; }
.activity-label { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; }
.status-badge { display: inline-flex; padding: 3px 7px; color: #fff; background: var(--badge-color); border-radius: 999px; font-size: .72rem; font-weight: 750; }
.progress-track { height: 7px; }
.activity-controls { display: flex; align-items: center; justify-content: flex-end; gap: 6px; }
.round-button, .small-button { min-height: 30px; padding: 4px 9px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 8px; font-weight: 800; }
.round-button { width: 31px; padding: 0; border-radius: 50%; font-size: 1.1rem; }
.primary-outline { color: var(--primary); border-color: #8bbfda; }
.quantity { min-width: 90px; text-align: center; color: var(--muted); font-size: .8rem; white-space: nowrap; }
.quantity b { color: var(--ink); }
.compact-list { gap: 7px; }
.compact-item { min-height: 54px; padding: 9px 12px; background: var(--surface); border: 1px solid var(--line); border-left: 5px solid var(--item-color, #cbd5e1); border-radius: 10px; }
.compact-item.is-complete { opacity: .7; }
.compact-item .item-expanded { padding-left: 0; }
.danger-text { color: var(--danger); }
.empty-state { margin: 20px 0; padding: 48px 20px; text-align: center; background: #fff; border: 1px dashed #c4d0d6; border-radius: 14px; }
.empty-icon { color: var(--primary); font-size: 2rem; }

.two-column { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 20px 0; }
.panel { padding: 20px; margin: 16px 0; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 2px 8px rgba(20, 48, 66, .03); }
.project-list, .master-list { display: grid; gap: 8px; }
.project-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.project-row:last-child { border-bottom: 0; }
.row-actions { display: flex; flex-wrap: wrap; gap: 7px; }
.master-add, .master-row { display: grid; grid-template-columns: minmax(0, 1fr) 78px auto; align-items: center; gap: 7px; }
.master-add { margin: 12px 0; }
.master-row { padding: 7px 0; border-top: 1px solid #edf1f3; }
.master-row.inactive { opacity: .48; }
.status-add, .status-row { grid-template-columns: minmax(0, 1fr) minmax(120px, .8fr) 42px 78px auto; }
.status-row input[type="color"], .master-add input[type="color"] { min-height: 35px; padding: 2px; }
.activity-editor { display: grid; gap: 9px; }
.activity-edit-row { display: grid; grid-template-columns: 1fr 1.3fr 130px; align-items: end; gap: 10px; padding: 12px; background: #f8fafb; border: 1px solid var(--line); border-radius: 10px; }
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: .86rem; }
.data-table th, .data-table td { padding: 9px 10px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
.data-table th { color: var(--muted); font-size: .76rem; text-transform: uppercase; letter-spacing: .06em; }
.preview-panel { border-color: #9bcce4; }

.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; }

@media (max-width: 760px) {
    .topbar { padding: 10px 14px; }
    .project-switcher select { max-width: 145px; }
    .main-nav { padding: 0 8px; }
    .container { width: min(100% - 20px, 620px); padding-top: 20px; }
    .page-heading { align-items: stretch; flex-direction: column; }
    .page-heading .button { width: 100%; }
    .page-heading-actions { align-items: stretch; flex-direction: column; }
    .page-heading-actions .button { width: 100%; }
    .view-toggle { justify-content: center; }
    .item-expanded-heading { align-items: stretch; flex-direction: column; gap: 8px; }
    .form-grid, .two-column { grid-template-columns: 1fr; }
    .progress-grid { grid-template-columns: 1fr; gap: 14px; }
    .form-grid .full { grid-column: auto; }
    .filter-controls { align-items: stretch; flex-direction: column; }
    .bulk-toolbar { align-items: stretch; }
    .bulk-actions { align-items: stretch; flex-direction: column; margin-left: 0; }
    .bulk-actions select, .bulk-actions .button { width: 100%; }
    .activity-row { grid-template-columns: 1fr; gap: 7px; }
    .activity-controls { justify-content: flex-start; }
    .master-add, .master-row, .status-add, .status-row { grid-template-columns: 1fr 70px; }
    .master-add button, .master-row button, .status-add button, .status-row button { min-height: 36px; }
    .master-row button:last-child, .status-row button:last-child { grid-column: 1 / -1; }
    .activity-edit-row { grid-template-columns: 1fr; align-items: stretch; }
    .project-row { align-items: flex-start; flex-direction: column; }
    .row-actions { width: 100%; }
    .row-actions .button, .row-actions form { flex: 1; }
    .row-actions form .button { width: 100%; }
}