:root {
  --ink: #1c2230;
  --ink-soft: #4a5268;
  --paper: #f6f7f9;
  --panel: #ffffff;
  --line: #e3e6ec;
  --accent: #2f5d8a;
  --accent-soft: #eaf1f8;
  --good: #2e7d4f;
  --warn: #b3791a;
  --bad: #b0392f;
  --radius: 6px;
  --sidebar-w: 220px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Login ---------- */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #1c2230 0%, #2a3245 100%);
}
.login-card {
  background: var(--panel);
  width: 340px;
  padding: 36px 32px;
  border-radius: var(--radius);
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}
.login-card h1 {
  font-size: 18px;
  margin: 0 0 4px;
}
.login-card p.sub {
  color: var(--ink-soft);
  margin: 0 0 24px;
  font-size: 13px;
}
.login-card label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-soft);
  margin: 14px 0 5px;
}
.login-card input {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
}
.login-card button {
  width: 100%;
  margin-top: 22px;
  padding: 10px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.login-card button:hover { background: #24486b; }
.error-msg {
  background: #fdecea;
  color: var(--bad);
  padding: 9px 12px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-top: 16px;
}

/* ---------- App shell ---------- */
.app {
  display: flex;
  min-height: 100vh;
}
.sidebar {
  width: var(--sidebar-w);
  background: var(--ink);
  color: #cfd5e2;
  padding: 20px 0;
  flex-shrink: 0;
}
.sidebar .brand {
  font-weight: 700;
  color: #fff;
  padding: 0 20px 20px;
  font-size: 15px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 10px;
}
.sidebar nav a {
  display: block;
  padding: 10px 20px;
  color: #cfd5e2;
  font-size: 13.5px;
}
.sidebar nav a:hover {
  background: rgba(255,255,255,0.06);
  text-decoration: none;
}
.sidebar nav a.active {
  background: var(--accent);
  color: #fff;
}
.sidebar .user-box {
  margin-top: 30px;
  padding: 14px 20px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 12.5px;
}
.sidebar .user-box form { margin-top: 8px; }
.sidebar .user-box button {
  background: none;
  border: none;
  color: #9fb2cc;
  cursor: pointer;
  font-size: 12.5px;
  padding: 0;
}
.sidebar .user-box button:hover { color: #fff; }

.main {
  flex: 1;
  padding: 28px 34px;
  min-width: 0;
}
.main h1 {
  font-size: 19px;
  margin: 0 0 4px;
}
.main .page-sub {
  color: var(--ink-soft);
  font-size: 13px;
  margin: 0 0 22px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.toolbar {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.toolbar input[type=text], .toolbar input[type=search], .toolbar select {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 13.5px;
}
.btn {
  display: inline-block;
  padding: 8px 14px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { background: #24486b; text-decoration: none; color: #fff; }
.btn.secondary {
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn.secondary:hover { background: var(--paper); }
.btn.danger { background: var(--bad); }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}
th {
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
tr:hover td { background: var(--paper); }

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 600;
}
.badge.good { background: #e8f5ec; color: var(--good); }
.badge.warn { background: #fbf1e0; color: var(--warn); }
.badge.bad { background: #fdecea; color: var(--bad); }
.badge.neutral { background: var(--accent-soft); color: var(--accent); }

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--ink-soft);
}

.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(20,24,34,0.45);
  align-items: center;
  justify-content: center;
  z-index: 50;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  width: 420px;
  max-width: 90vw;
}
.modal h2 { margin: 0 0 16px; font-size: 16px; }
.modal label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-soft);
  margin: 12px 0 5px;
}
.modal input, .modal select, .modal textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 13.5px;
  font-family: inherit;
}
.modal-actions {
  margin-top: 20px;
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}