:root {
    --bg: #f4f6f8;
    --surface: #ffffff;
    --surface-soft: #f8fafb;
    --border: #dfe5e9;
    --text: #17212b;
    --muted: #687581;
    --navy: #142a3b;
    --navy-soft: #203d52;
    --primary: #0d786f;
    --primary-dark: #075f58;
    --credit: #0d786f;
    --debit: #b54848;
    --warning: #9a6a13;
    --shadow: 0 12px 32px rgba(20, 42, 59, .07);
    --radius: 16px;
}

* { box-sizing: border-box; }

html { font-size: 15px; }

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.app-shell { min-height: 100vh; }

.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 30;
    display: flex;
    width: 248px;
    flex-direction: column;
    background: var(--navy);
    color: #f7fbfd;
    padding: 24px 18px;
}

.brand { display: flex; align-items: center; gap: 12px; padding: 0 8px 26px; }
.brand-mark {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: 12px;
    background: #e6f4f1;
    color: var(--primary-dark);
    font-weight: 800;
    letter-spacing: -.03em;
}
.brand strong, .brand span { display: block; }
.brand strong { font-size: .98rem; }
.brand span { color: #9fb2c0; font-size: .75rem; margin-top: 2px; }

.nav-list { display: grid; gap: 5px; }
.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    border-radius: 10px;
    color: #c6d3dc;
    padding: 10px 12px;
    font-size: .9rem;
    transition: background .18s ease, color .18s ease;
}
.nav-link:hover, .nav-link.active { background: var(--navy-soft); color: white; }
.nav-link.active { box-shadow: inset 3px 0 0 #72c7bd; }
.nav-dot { width: 7px; height: 7px; border-radius: 99px; background: #718897; }
.nav-link.active .nav-dot { background: #72c7bd; }
.nav-label { margin: 24px 12px 8px; color: #708797; font-size: .65rem; font-weight: 800; letter-spacing: .13em; }

.sidebar-note {
    margin-top: auto;
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 12px;
    background: rgba(255,255,255,.04);
    padding: 13px;
}
.sidebar-note strong, .sidebar-note span { display: block; }
.sidebar-note strong { font-size: .78rem; }
.sidebar-note span { color: #96aab7; font-size: .7rem; margin-top: 3px; }

.main-panel { min-height: 100vh; margin-left: 248px; }

.topbar {
    display: flex;
    min-height: 92px;
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    background: rgba(255,255,255,.92);
    padding: 20px 32px;
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(10px);
}
.topbar h1 { margin: 1px 0 0; font-size: 1.45rem; letter-spacing: -.025em; }
.topbar-actions { display: flex; align-items: center; gap: 9px; margin-left: auto; }
.menu-button { display: none; border: 0; background: transparent; font-size: 1.4rem; }
.eyebrow { margin: 0; color: var(--muted); font-size: .66rem; font-weight: 800; letter-spacing: .12em; }

.content { padding: 28px 32px 48px; }

.card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
    padding: 22px;
    margin-bottom: 20px;
}
.card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 20px; }
.card-header h2, .ledger-title h2, .report-heading h2 { margin: 3px 0 0; font-size: 1.08rem; letter-spacing: -.015em; }
.muted { margin: 6px 0 0; color: var(--muted); font-size: .85rem; }

.btn {
    display: inline-flex;
    min-height: 39px;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: 9px;
    padding: 8px 14px;
    cursor: pointer;
    font-weight: 700;
    font-size: .82rem;
    transition: transform .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { border-color: var(--border); background: white; color: var(--text); }
.btn-secondary:hover { background: var(--surface-soft); }
.btn-ghost { background: transparent; color: var(--muted); }
.btn.disabled { opacity: .45; cursor: not-allowed; transform: none; }
.text-link { color: var(--primary-dark); font-size: .8rem; font-weight: 800; }
.text-button { border: 0; background: transparent; padding: 0; cursor: pointer; font-size: .8rem; font-weight: 800; }
.danger { color: var(--debit); }

.alert {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    border: 1px solid;
    border-radius: 12px;
    margin-bottom: 18px;
    padding: 13px 15px;
    font-size: .86rem;
}
.alert span { display: grid; width: 22px; height: 22px; place-items: center; border-radius: 99px; font-weight: 900; }
.alert-success { border-color: #b8dcd5; background: #eff9f6; color: #155d56; }
.alert-success span { background: #d4eee8; }
.alert-error { border-color: #efc7c7; background: #fff5f5; color: #8a3030; }
.alert-error span { background: #f8dada; }
.alert ul { margin: 6px 0 0; padding-left: 18px; }

.firm-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--border);
    box-shadow: var(--shadow);
    margin-bottom: 18px;
}
.firm-strip div { background: var(--surface); padding: 17px 20px; }
.firm-strip span, .metric-card span, .ledger-title span, .ledger-balance span {
    display: block;
    color: var(--muted);
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.firm-strip strong { display: block; margin-top: 5px; font-size: .92rem; }

.filter-bar, .filter-grid { display: flex; flex-wrap: wrap; align-items: end; gap: 11px; }
.filter-bar { margin-bottom: 18px; }
.filter-grid { display: grid; grid-template-columns: 1.3fr repeat(4, minmax(140px, .8fr)) auto; }
.filter-grid.report-filter { grid-template-columns: 1.3fr 1fr 1fr auto; }
.filter-grid.trial-filter { grid-template-columns: .8fr 1.1fr 1fr 1fr auto; }
.filter-actions { display: flex; align-items: end; gap: 7px; padding-bottom: 1px; }

.field { display: flex; min-width: 0; flex-direction: column; gap: 6px; }
.field.compact { width: 180px; }
.field label { color: #46535f; font-size: .75rem; font-weight: 800; }
.field label span { color: var(--debit); }
.field input, .field select, .field textarea, .inline-create input, .inline-create select {
    width: 100%;
    min-height: 41px;
    border: 1px solid #ccd5da;
    border-radius: 9px;
    background: white;
    color: var(--text);
    outline: none;
    padding: 9px 11px;
    transition: border .15s ease, box-shadow .15s ease;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus, .inline-create input:focus, .inline-create select:focus {
    border-color: #65a9a2;
    box-shadow: 0 0 0 3px rgba(13, 120, 111, .1);
}
.field small { color: var(--muted); font-size: .74rem; }
.full-width { grid-column: 1 / -1; }

.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 20px; }
.metric-card {
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface);
    box-shadow: var(--shadow);
    padding: 19px;
}
.metric-card strong { display: block; margin-top: 9px; font-size: 1.38rem; letter-spacing: -.035em; }
.metric-card small { display: block; color: var(--muted); margin-top: 6px; font-size: .73rem; }
.negative, .debit-text { color: var(--debit) !important; }
.credit-text { color: var(--credit) !important; }

.dashboard-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; }
.legend { display: flex; gap: 13px; color: var(--muted); font-size: .7rem; }
.legend span { display: flex; align-items: center; gap: 5px; }
.legend i { width: 8px; height: 8px; border-radius: 99px; }
.legend-credit { background: var(--credit); }
.legend-debit { background: var(--debit); }
.monthly-list { display: grid; gap: 10px; }
.monthly-row { display: grid; grid-template-columns: 32px 1fr 116px; align-items: center; gap: 10px; }
.monthly-row > strong { font-size: .7rem; color: var(--muted); text-transform: uppercase; }
.bar-stack { display: grid; gap: 4px; }
.bar-track { height: 6px; overflow: hidden; border-radius: 99px; background: #edf1f3; }
.bar { display: block; min-width: 0; height: 100%; border-radius: 99px; }
.bar.credit { background: var(--credit); }
.bar.debit { background: var(--debit); }
.monthly-values { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; text-align: right; font-size: .67rem; color: var(--muted); }

.activity-list { display: grid; }
.activity-item { display: flex; align-items: center; gap: 10px; border-bottom: 1px solid #edf0f2; padding: 12px 0; }
.activity-item:last-child { border-bottom: 0; }
.activity-avatar { display: grid; width: 34px; height: 34px; flex: 0 0 auto; place-items: center; border-radius: 10px; background: #e8f2f1; color: var(--primary-dark); font-weight: 800; }
.activity-copy { min-width: 0; flex: 1; }
.activity-copy strong, .activity-copy span { display: block; }
.activity-copy strong { font-size: .82rem; }
.activity-copy span { overflow: hidden; margin-top: 2px; color: var(--muted); font-size: .69rem; text-overflow: ellipsis; white-space: nowrap; }
.activity-amount { font-size: .76rem; font-weight: 800; }

.table-card { padding: 0; overflow: hidden; }
.table-wrap { width: 100%; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { border-bottom: 1px solid #e7ebee; padding: 12px 14px; text-align: left; vertical-align: middle; white-space: nowrap; }
th { background: var(--surface-soft); color: #52606c; font-size: .68rem; font-weight: 800; letter-spacing: .045em; text-transform: uppercase; }
td { font-size: .79rem; }
tbody tr:hover { background: #fbfcfc; }
tfoot th { border-top: 2px solid var(--navy); border-bottom: 0; background: white; color: var(--text); }
.number { text-align: right; font-variant-numeric: tabular-nums; }
.actions-column { width: 120px; }
.row-actions { display: flex; align-items: center; gap: 10px; }
.table-subtext { display: block; color: var(--muted); margin-top: 3px; font-size: .66rem; }
.empty-state { color: var(--muted); padding: 28px 10px; text-align: center; font-size: .84rem; }

.pager { display: flex; align-items: center; justify-content: space-between; gap: 14px; border-top: 1px solid var(--border); padding: 14px 18px; }
.pager-info { color: var(--muted); font-size: .75rem; }
.pager-actions { display: flex; align-items: center; gap: 8px; }
.page-chip { border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; font-size: .72rem; }

.form-card { max-width: 1040px; }
.narrow-card { max-width: 700px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 17px; }
.form-grid.single-column { grid-template-columns: 1fr; }
.form-footer { display: flex; justify-content: flex-end; gap: 8px; border-top: 1px solid var(--border); margin-top: 22px; padding-top: 18px; }
.checkbox-field { display: flex; align-items: center; gap: 8px; font-size: .82rem; font-weight: 700; }
.checkbox-field input { width: 16px; height: 16px; }

.ledger-card { padding: 0; overflow: hidden; }
.ledger-title { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 18px 20px; }
.ledger-balance { text-align: right; }
.ledger-balance strong { display: block; margin-top: 4px; font-size: .95rem; }

.report-paper { max-width: 1000px; }
.report-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; border-bottom: 2px solid var(--navy); padding-bottom: 18px; margin-bottom: 12px; }
.report-heading p:last-child { color: var(--muted); margin: 5px 0 0; font-size: .78rem; }
.report-table small { color: var(--muted); margin-left: 5px; font-weight: 600; }
.status-pill { display: inline-flex; align-items: center; border-radius: 99px; padding: 5px 9px; font-size: .65rem; font-weight: 800; }
.status-success { background: #e6f5f1; color: #14655d; }
.status-warning { background: #fff4dc; color: var(--warning); }
.status-muted { background: #edf1f3; color: #596873; }
.trial-summary { display: flex; justify-content: flex-end; align-items: baseline; gap: 18px; padding: 18px 14px 0; }
.trial-summary span { color: var(--muted); font-size: .75rem; }
.trial-summary strong { font-size: 1.05rem; }
.report-note { border-top: 1px solid var(--border); color: var(--muted); margin: 18px 0 0; padding-top: 14px; font-size: .72rem; }
.custom-period { display: none; }
.custom-period.visible { display: flex; }

.master-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.inline-create { display: grid; grid-template-columns: 1fr 1.1fr auto; gap: 8px; margin-bottom: 18px; }
.inline-create.item-create { grid-template-columns: .55fr 1fr .7fr auto; }
.compact-table th, .compact-table td { padding: 10px 9px; }

@media (max-width: 1180px) {
    .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .dashboard-grid, .master-grid { grid-template-columns: 1fr; }
    .filter-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .filter-grid.report-filter, .filter-grid.trial-filter { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
    .sidebar { transform: translateX(-102%); transition: transform .2s ease; }
    .sidebar.open { transform: translateX(0); }
    .main-panel { margin-left: 0; }
    .menu-button { display: block; }
    .topbar { padding: 16px 18px; }
    .content { padding: 20px 16px 36px; }
    .firm-strip { grid-template-columns: 1fr; }
    .filter-grid, .filter-grid.report-filter, .filter-grid.trial-filter { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .dashboard-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .topbar { align-items: flex-start; flex-wrap: wrap; }
    .topbar-actions { width: 100%; margin-left: 0; }
    .topbar-actions .btn { flex: 1; }
    .metric-grid, .form-grid, .filter-grid, .filter-grid.report-filter, .filter-grid.trial-filter { grid-template-columns: 1fr; }
    .field.compact { width: 100%; }
    .filter-bar { display: grid; grid-template-columns: 1fr 1fr; }
    .filter-bar .btn { width: 100%; }
    .monthly-row { grid-template-columns: 28px 1fr; }
    .monthly-values { grid-column: 2; }
    .inline-create, .inline-create.item-create { grid-template-columns: 1fr; }
    .pager { align-items: flex-start; flex-direction: column; }
    .ledger-title, .report-heading { align-items: flex-start; flex-direction: column; }
    .ledger-balance { text-align: left; }
}