:root {
  --bg: #0a0f1c;
  --bg-panel: #111a2e;
  --bg-panel-2: #15203a;
  --border: #1f2c47;
  --border-soft: #182338;
  --text: #e7ecf6;
  --text-dim: #8d98b5;
  --text-faint: #5c6884;
  --accent: #4f7cff;
  --accent-soft: #1c2d57;
  --green: #36c98f;
  --green-soft: #103a2c;
  --amber: #f0b94f;
  --amber-soft: #3a2f10;
  --red: #ff6b7a;
  --red-soft: #3a1722;
  --radius: 12px;
  --radius-sm: 8px;
  font-family: 'DM Sans', system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); }
body { font-size: 14px; line-height: 1.5; }
#root { min-height: 100vh; }

h1, h2, h3, h4 { font-family: 'Syne', sans-serif; font-weight: 700; margin: 0; color: var(--text); }
.mono { font-family: 'DM Mono', monospace; }

a { color: var(--accent); text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

/* ---------- Layout ---------- */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 230px; flex-shrink: 0; background: var(--bg-panel); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 20px 14px;
}
.sidebar-brand { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 17px; letter-spacing: -0.02em; padding: 0 10px 22px; color: var(--text); }
.sidebar-brand span { color: var(--accent); }
.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--radius-sm);
  color: var(--text-dim); font-size: 13.5px; font-weight: 500; margin-bottom: 2px; cursor: pointer; transition: background .15s, color .15s;
}
.nav-item:hover { background: var(--bg-panel-2); color: var(--text); }
.nav-item.active { background: var(--accent-soft); color: var(--text); }
.nav-icon { width: 18px; text-align: center; opacity: .85; }
.sidebar-foot { margin-top: auto; padding: 12px 10px; border-top: 1px solid var(--border-soft); }
.user-chip { display: flex; align-items: center; gap: 10px; font-size: 12.5px; }
.avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--accent-soft); color: var(--accent);
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 12px; flex-shrink: 0; }
.user-meta { flex: 1; overflow: hidden; }
.user-name { color: var(--text); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { color: var(--text-faint); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }
.logout-btn { background: none; border: none; color: var(--text-faint); font-size: 11.5px; margin-top: 8px; padding: 0; }
.logout-btn:hover { color: var(--red); }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar { padding: 18px 28px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.topbar h2 { font-size: 19px; }
.content { padding: 24px 28px; flex: 1; }

/* ---------- Cards / grid ---------- */
.cards-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 22px; }
@media (max-width: 1100px) { .cards-row { grid-template-columns: repeat(2, 1fr); } }
.stat-card { background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; }
.stat-label { font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-faint); margin-bottom: 8px; font-weight: 600; }
.stat-value { font-family: 'Syne', sans-serif; font-size: 26px; font-weight: 700; }
.stat-sub { font-size: 12px; color: var(--text-dim); margin-top: 6px; }
.stat-sub.up { color: var(--red); }
.stat-sub.down { color: var(--green); }

.panel { background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 18px; }
.panel-title { font-size: 14.5px; font-weight: 700; margin-bottom: 14px; display: flex; align-items: center; justify-content: space-between; }
.grid-2 { display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px; }
@media (max-width: 1000px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; color: var(--text-faint); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .04em; padding: 8px 10px; border-bottom: 1px solid var(--border); }
td { padding: 10px 10px; border-bottom: 1px solid var(--border-soft); color: var(--text); }
tr:hover td { background: var(--bg-panel-2); }
.t-right { text-align: right; }

/* ---------- Badges ---------- */
.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.badge-fixed { background: var(--accent-soft); color: #9db8ff; }
.badge-variable { background: var(--amber-soft); color: var(--amber); }
.badge-semi_variable { background: #2a1c47; color: #c79bff; }
.badge-over_budget { background: var(--red-soft); color: var(--red); }
.badge-under_budget { background: var(--green-soft); color: var(--green); }
.badge-on_track { background: var(--accent-soft); color: #9db8ff; }
.badge-admin { background: var(--accent-soft); color: #9db8ff; }
.badge-viewer { background: var(--bg-panel-2); color: var(--text-dim); }

/* ---------- Forms ---------- */
.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-size: 12px; font-weight: 600; color: var(--text-dim); margin-bottom: 6px; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 9px 11px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-size: 13.5px;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { outline: none; border-color: var(--accent); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 14px; }

.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; border-radius: var(--radius-sm); border: none; font-size: 13px; font-weight: 600; }
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: #3d68f0; }
.btn-secondary { background: var(--bg-panel-2); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border-soft); }
.btn-danger { background: var(--red-soft); color: var(--red); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-icon { background: none; border: none; color: var(--text-faint); padding: 4px 6px; border-radius: 6px; }
.btn-icon:hover { background: var(--bg-panel-2); color: var(--text); }

.toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar .spacer { flex: 1; }
.search-input { min-width: 200px; }

/* ---------- Modal ---------- */
.modal-overlay { position: fixed; inset: 0; background: rgba(5,8,16,.7); display: flex; align-items: center; justify-content: center; z-index: 100; padding: 20px; }
.modal { background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; width: 100%; max-width: 480px; max-height: 88vh; overflow-y: auto; }
.modal h3 { margin-bottom: 18px; font-size: 16px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }

/* ---------- Login ---------- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card { width: 380px; background: var(--bg-panel); border: 1px solid var(--border); border-radius: 16px; padding: 36px; }
.login-brand { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 22px; text-align: center; margin-bottom: 4px; }
.login-sub { text-align: center; color: var(--text-dim); font-size: 12.5px; margin-bottom: 26px; }

/* ---------- Misc ---------- */
.empty-state { text-align: center; padding: 50px 20px; color: var(--text-faint); }
.error-banner { background: var(--red-soft); color: var(--red); padding: 10px 14px; border-radius: var(--radius-sm); font-size: 13px; margin-bottom: 14px; }
.success-banner { background: var(--green-soft); color: var(--green); padding: 10px 14px; border-radius: var(--radius-sm); font-size: 13px; margin-bottom: 14px; }
.chip-row { display: flex; gap: 8px; flex-wrap: wrap; }
.tab-row { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; }
.tab-item { padding: 10px 16px; font-size: 13px; font-weight: 600; color: var(--text-dim); cursor: pointer; border-bottom: 2px solid transparent; }
.tab-item.active { color: var(--text); border-bottom-color: var(--accent); }
.volatility-flag { color: var(--amber); font-size: 11px; font-weight: 600; }
.canvas-wrap { position: relative; height: 280px; }
.canvas-wrap.tall { height: 320px; }
.file-drop { border: 1.5px dashed var(--border); border-radius: var(--radius-sm); padding: 28px; text-align: center; color: var(--text-dim); font-size: 13px; }
.file-drop input { display: none; }
.muted { color: var(--text-faint); }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.spinner { width: 16px; height: 16px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }