@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
    --ink: #07110f;
    --panel: rgba(13, 31, 27, .92);
    --panel-soft: rgba(18, 43, 37, .78);
    --line: rgba(183, 224, 204, .16);
    --text: #edf8f2;
    --muted: #91aa9f;
    --mint: #58e6a9;
    --amber: #ffc45c;
    --danger: #ff746c;
    --blue: #67c8ff;
    --shadow: 0 24px 80px rgba(0, 0, 0, .28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at 75% 0%, rgba(88, 230, 169, .12), transparent 32rem),
        radial-gradient(circle at 0% 90%, rgba(255, 196, 92, .08), transparent 28rem),
        var(--ink);
    font: 15px/1.5 Manrope, sans-serif;
}
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.shell { display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; }
.sidebar {
    position: sticky; top: 0; height: 100vh; padding: 32px 24px;
    border-right: 1px solid var(--line); background: rgba(4, 16, 13, .84);
    backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 42px; text-decoration: none; }
.brand-mark { width: 38px; height: 38px; border-radius: 12px; background: linear-gradient(135deg, var(--mint), #1b8f6a); box-shadow: 0 0 28px rgba(88,230,169,.28); }
.brand strong { display: block; letter-spacing: .08em; }
.brand small { color: var(--muted); font: 10px IBM Plex Mono, monospace; }
.nav { display: grid; gap: 7px; }
.nav a { padding: 11px 13px; color: var(--muted); border-radius: 10px; text-decoration: none; font-weight: 600; }
.nav a:hover { color: var(--text); background: rgba(255,255,255,.05); }
.nav a.active, .nav a[aria-current="page"] { color: var(--accent); background: rgba(88,230,169,.1); box-shadow: inset 3px 0 0 var(--accent); }
.nav .logout { margin-top: 28px; color: var(--danger); }
.main { min-width: 0; padding: 38px clamp(20px, 4vw, 58px) 80px; }
.topbar { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; margin-bottom: 34px; }
.eyebrow { color: var(--mint); font: 600 11px IBM Plex Mono, monospace; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 8px; font-size: clamp(28px, 4vw, 46px); line-height: 1.05; letter-spacing: -.04em; }
h2 { margin: 0 0 18px; font-size: 21px; letter-spacing: -.02em; }
h3 { margin-bottom: 8px; font-size: 15px; }
.muted { color: var(--muted); }
.mono { font-family: IBM Plex Mono, monospace; }
.section { scroll-margin-top: 24px; margin-top: 46px; }
.section-heading { display: flex; justify-content: space-between; gap: 18px; align-items: end; margin-bottom: 16px; }
.section-heading p { margin: 0; }

.grid { display: grid; gap: 18px; }
.stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); box-shadow: var(--shadow); }
.card.soft { background: var(--panel-soft); box-shadow: none; }
.stat-label { color: var(--muted); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.stat-value { margin-top: 8px; font-size: clamp(25px, 3vw, 34px); font-weight: 800; letter-spacing: -.04em; }
.stat-note { margin-top: 8px; color: var(--muted); font-size: 12px; }
.accent { color: var(--mint); }
.warn { color: var(--amber); }
.danger { color: var(--danger); }

.alert { margin-bottom: 20px; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line); }
.alert.success { color: var(--mint); background: rgba(88,230,169,.08); }
.alert.error { color: var(--danger); background: rgba(255,116,108,.08); }
.alert.key { color: var(--amber); background: rgba(255,196,92,.08); }
.key-value { display: block; margin-top: 8px; padding: 10px; overflow-wrap: anywhere; border-radius: 8px; background: rgba(0,0,0,.28); font: 12px IBM Plex Mono, monospace; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font: 600 10px IBM Plex Mono, monospace; text-transform: uppercase; letter-spacing: .08em; }
tr:last-child td { border-bottom: 0; }
.status { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 700; }
.status::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--danger); box-shadow: 0 0 12px currentColor; }
.status.online { color: var(--mint); }
.status.online::before { background: var(--mint); }
.pill { display: inline-flex; padding: 4px 8px; border-radius: 999px; background: rgba(255,255,255,.07); color: var(--muted); font-size: 11px; }
.status-badge { display: inline-flex; padding: 5px 9px; border-radius: 999px; font-size: 11px; font-weight: 800; text-transform: uppercase; }
.status-closed { color: var(--blue); background: rgba(103,200,255,.1); }
.status-sent { color: var(--amber); background: rgba(255,196,92,.1); }
.status-paid { color: var(--mint); background: rgba(88,230,169,.1); }
.status-overdue, .status-cancelled { color: var(--danger); background: rgba(255,116,108,.1); }
.ledger-row { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; padding: 13px 0; border-bottom: 1px solid var(--line); }
.ledger-row.voided { opacity: .5; text-decoration: line-through; }
.inline-void { grid-column: 1 / -1; display: flex; gap: 8px; }
.inline-void input { flex: 1; }
pre { max-width: 480px; overflow: auto; padding: 10px; border-radius: 8px; background: rgba(0,0,0,.25); color: var(--muted); font: 11px/1.5 IBM Plex Mono, monospace; white-space: pre-wrap; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.field { display: grid; gap: 6px; }
.field.full { grid-column: 1 / -1; }
label { color: var(--muted); font-size: 12px; font-weight: 700; }
input, select, textarea {
    width: 100%; padding: 11px 12px; color: var(--text); border: 1px solid var(--line);
    border-radius: 10px; outline: none; background: rgba(0,0,0,.22);
}
input:focus, select:focus, textarea:focus { border-color: var(--mint); box-shadow: 0 0 0 3px rgba(88,230,169,.1); }
select option { color: #111; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.btn { display: inline-flex; justify-content: center; align-items: center; padding: 9px 13px; border: 1px solid var(--line); border-radius: 9px; color: var(--text); background: rgba(255,255,255,.04); text-decoration: none; font-weight: 700; font-size: 12px; }
.btn:hover { border-color: rgba(88,230,169,.5); }
.btn.primary { border-color: transparent; color: #052017; background: var(--mint); }
.btn.danger { color: var(--danger); }
details { border-top: 1px solid var(--line); padding-top: 14px; margin-top: 14px; }
summary { cursor: pointer; color: var(--mint); font-weight: 700; }

.chart { height: 260px; }
.phase-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.phase { padding: 16px; border-radius: 14px; background: rgba(255,255,255,.035); }
.phase b { display: block; margin: 6px 0; font-size: 22px; }
.empty { padding: 28px; text-align: center; color: var(--muted); }
.footer { margin-top: 50px; color: var(--muted); font-size: 11px; }
.impersonation-bar { display: flex; justify-content: space-between; align-items: center; gap: 18px; margin-bottom: 24px; padding: 14px 16px; border: 1px solid rgba(255,196,92,.38); border-radius: 14px; color: var(--amber); background: rgba(255,196,92,.09); }
.impersonation-bar form { margin: 0; }
.auth-page { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.auth-card { width: min(440px, 100%); padding: 34px; border: 1px solid var(--line); border-radius: 22px; background: var(--panel); box-shadow: var(--shadow); }
.auth-card .brand { margin-bottom: 28px; }
.auth-card form { display: grid; gap: 16px; }
.auth-links { display: flex; justify-content: space-between; gap: 14px; margin-top: 20px; color: var(--muted); font-size: 12px; }

@media (max-width: 1050px) {
    .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .two, .three { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
    .shell { display: block; }
    .sidebar { position: relative; width: 100%; height: auto; padding: 18px; }
    .brand { margin-bottom: 14px; }
    .nav { display: flex; overflow-x: auto; }
    .nav a { white-space: nowrap; }
    .nav .logout { margin-top: 0; }
    .main { padding: 26px 16px 60px; }
    .topbar, .section-heading { align-items: flex-start; flex-direction: column; }
    .impersonation-bar { align-items: flex-start; flex-direction: column; }
    .stats, .form-grid { grid-template-columns: 1fr; }
    .phase-grid { grid-template-columns: 1fr; }
    .field.full { grid-column: auto; }
}