:root {
    --bg: #0d1117;
    --bg-raised: #151b23;
    --bg-inset: #0b0f15;
    --border: #2a313c;
    --border-soft: #21262d;
    --text: #e6edf3;
    --text-dim: #9198a1;
    --accent: #4493f8;
    --accent-dark: #1f6feb;
    --green: #3fb950;
    --red: #f85149;
    --amber: #d29922;
    --radius: 10px;
    --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    height: 100%;
}

body {
    background: var(--bg);
    color: var(--text);
    font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; font-weight: 600; }
h3 { font-size: 15px; }
h3 small, label small { color: var(--text-dim); font-weight: 400; }
code { font-family: var(--mono); font-size: .9em; }

/* ------------------------------------------------------------------ login */

.login-shell {
    display: grid;
    place-items: center;
    min-height: 100%;
    padding: 24px;
    background: radial-gradient(1200px 600px at 50% -10%, #16263f 0%, var(--bg) 60%);
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    box-shadow: 0 18px 50px rgba(0, 0, 0, .45);
}

.login-card h1 { font-size: 20px; }
.login-card .subtitle { color: var(--text-dim); margin: 4px 0 18px; font-size: 14px; }
.login-card label { margin-top: 10px; font-size: 13px; color: var(--text-dim); }
.login-card button { margin-top: 20px; }
.login-error {
    margin: 14px 0 0;
    padding: 10px 12px;
    background: rgba(248, 81, 73, .1);
    border: 1px solid rgba(248, 81, 73, .4);
    border-radius: 8px;
    color: #ffa198;
    font-size: 13px;
}

/* -------------------------------------------------------------- app shell */

.app {
    display: grid;
    grid-template-columns: 240px 1fr;
    height: 100%;
}

.sidebar {
    background: var(--bg-inset);
    border-right: 1px solid var(--border-soft);
    display: flex;
    flex-direction: column;
    padding: 18px 12px;
    gap: 4px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 8px 18px;
}
.brand-mark {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--accent-dark), #388bfd);
    font-size: 19px;
    font-weight: 700;
}
.brand strong { display: block; font-size: 14px; }
.brand small { color: var(--text-dim); font-size: 11px; }

nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 9px 10px;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--text-dim);
    font: inherit;
    font-size: 14px;
    text-align: left;
    cursor: pointer;
}
.nav-item span { width: 18px; text-align: center; font-size: 14px; }
.nav-item:hover { background: #1b2029; color: var(--text); }
.nav-item.active { background: #1f2732; color: var(--text); font-weight: 600; }

.who {
    border-top: 1px solid var(--border-soft);
    padding: 14px 10px 4px;
}
.who-name { font-weight: 600; font-size: 14px; }
.who-role { color: var(--text-dim); font-size: 12px; letter-spacing: .04em; }

.link {
    margin-top: 10px;
    padding: 0;
    border: 0;
    background: none;
    color: var(--accent);
    font: inherit;
    font-size: 13px;
    cursor: pointer;
}
.link:hover { text-decoration: underline; }

.content { overflow-y: auto; padding: 0 28px 40px; }

.topbar {
    position: sticky;
    top: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 0 16px;
    background: var(--bg);
    border-bottom: 1px solid var(--border-soft);
    margin-bottom: 20px;
}
.topbar h2 { font-size: 19px; }
.topbar-right { display: flex; align-items: center; gap: 10px; }

.pill {
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--text-dim);
    font-size: 12px;
    font-family: var(--mono);
}

/* ------------------------------------------------------------- components */

.panel {
    background: var(--bg-raised);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    padding: 18px;
    margin-bottom: 18px;
}
.panel.narrow { max-width: 420px; }
.panel > h3 { margin-bottom: 14px; }
.panel-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.panel-row .panel { margin-bottom: 18px; }
.note { color: var(--text-dim); font-size: 12px; margin: -6px 0 14px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; align-items: end; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; margin-bottom: 16px; }

label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--text-dim); }

input, select {
    padding: 8px 10px;
    background: var(--bg-inset);
    border: 1px solid var(--border);
    border-radius: 7px;
    color: var(--text);
    font: inherit;
    font-size: 14px;
    min-width: 0;
}
input:focus, select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(68, 147, 248, .18);
}
input::placeholder { color: #545d68; }

button {
    padding: 8px 14px;
    border-radius: 7px;
    border: 1px solid transparent;
    font: inherit;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
}
button:disabled { opacity: .5; cursor: not-allowed; }

.primary { background: var(--accent-dark); border-color: #388bfd66; color: #fff; }
.primary:hover:not(:disabled) { background: #388bfd; }
.ghost { background: #21262d; border-color: var(--border); color: var(--text); }
.ghost:hover:not(:disabled) { background: #2a313c; }
.danger-link { background: none; border: 0; color: var(--red); padding: 2px 4px; font-size: 13px; }
.danger-link:hover { text-decoration: underline; }

/* ---------------------------------------------------------------- cards */

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; margin-bottom: 18px; }

.account-card {
    background: var(--bg-raised);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    padding: 16px;
    cursor: pointer;
    transition: border-color .12s, transform .12s;
}
.account-card:hover { border-color: #3d444d; transform: translateY(-1px); }
.account-card.selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }

.account-card .row { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.account-card .id { font-family: var(--mono); font-size: 13px; color: var(--accent); }
.account-card .name { color: var(--text-dim); font-size: 13px; margin: 2px 0 12px; }
.account-card .balance { font-family: var(--mono); font-size: 22px; font-weight: 600; }
.account-card .balance.negative { color: var(--red); }
.account-card .meta { display: flex; gap: 6px; margin-top: 12px; flex-wrap: wrap; }

.tag {
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    letter-spacing: .03em;
    background: #21262d;
    color: var(--text-dim);
}
.tag.open { background: rgba(63, 185, 80, .14); color: var(--green); }
.tag.closed { background: rgba(248, 81, 73, .14); color: var(--red); }

/* ---------------------------------------------------------------- tables */

.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--border-soft); white-space: nowrap; }
th { color: var(--text-dim); font-weight: 500; font-size: 12px; letter-spacing: .04em; text-transform: uppercase; }
tbody tr:hover { background: #1a2029; }
tbody tr.sub td { border-bottom: 0; padding-top: 0; color: var(--text-dim); }
td.num, th.num { text-align: right; font-family: var(--mono); }
td.wide { white-space: normal; min-width: 220px; }

.pos { color: var(--green); }
.neg { color: var(--red); }
.muted { color: var(--text-dim); }

.outcome { padding: 2px 8px; border-radius: 999px; font-size: 11px; }
.outcome.SUCCESS { background: rgba(63, 185, 80, .14); color: var(--green); }
.outcome.DENIED { background: rgba(210, 153, 34, .16); color: var(--amber); }
.outcome.FAILED { background: rgba(248, 81, 73, .14); color: var(--red); }

.totals { display: flex; flex-wrap: wrap; gap: 28px; padding: 14px 2px 18px; }
.totals > div { display: flex; flex-direction: column; gap: 3px; }
.totals span { color: var(--text-dim); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.totals strong { font-family: var(--mono); font-size: 18px; }

.empty { padding: 28px 4px; color: var(--text-dim); text-align: center; font-size: 14px; }

/* ---------------------------------------------------------------- toasts */

.toasts {
    position: fixed;
    right: 18px;
    bottom: 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 50;
    max-width: min(380px, calc(100vw - 36px));
}

.toast {
    padding: 12px 14px;
    border-radius: 9px;
    border: 1px solid var(--border);
    background: var(--bg-raised);
    box-shadow: 0 10px 30px rgba(0, 0, 0, .5);
    font-size: 13.5px;
    animation: rise .16s ease-out;
}
.toast.ok { border-color: rgba(63, 185, 80, .5); }
.toast.error { border-color: rgba(248, 81, 73, .5); }
.toast strong { display: block; margin-bottom: 2px; }
.toast small { color: var(--text-dim); font-family: var(--mono); font-size: 11px; }

@keyframes rise {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: none; }
}

[hidden] { display: none !important; }

/* --------------------------------------------------------------- narrow */

@media (max-width: 820px) {
    .app { grid-template-columns: 1fr; }
    .sidebar { flex-direction: row; flex-wrap: wrap; align-items: center; border-right: 0; border-bottom: 1px solid var(--border-soft); }
    .brand { padding-bottom: 0; }
    nav { flex-direction: row; flex-wrap: wrap; flex: 1 0 100%; }
    .who { flex: 1 0 100%; border-top: 0; padding-top: 0; display: flex; align-items: center; gap: 10px; }
    .who .link { margin: 0 0 0 auto; }
    .content { padding: 0 16px 32px; }
}