:root {
  --bg: #f5f6f7;
  --surface: #ffffff;
  --text: #17324a;
  --muted: #7f8c98;
  --border: #e4e8eb;
  --accent: #17324a;
  --accent-soft: #edf2f5;
  --danger: #b42318;
  --success: #1f7a4c;
  --sidebar: #fefefe;
  --shadow: 0 16px 44px rgba(23, 50, 74, 0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
button, input { font: inherit; }
button { cursor: pointer; }

.is-hidden { display: none !important; }

.auth-view {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
  background: #ffffff;
}
.auth-card {
  width: min(100%, 410px);
  padding: 48px 42px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.brand-block { margin-bottom: 40px; }
.brand-mark,
.panel-brand {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: .16em;
}
.brand-subtitle,
.panel-brand-sub {
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--muted);
}
.auth-form { display: grid; gap: 18px; }
.auth-form label { display: grid; gap: 8px; }
.auth-form label span {
  font-size: 12px;
  color: var(--muted);
}
.auth-form input {
  width: 100%;
  height: 48px;
  border: 1px solid var(--border);
  padding: 0 14px;
  outline: none;
  color: var(--text);
  background: #fff;
}
.auth-form input:focus { border-color: #a7b5c0; }
.auth-form button {
  height: 48px;
  border: 0;
  background: var(--accent);
  color: #fff;
  margin-top: 6px;
}
.form-message { margin: 0; min-height: 18px; font-size: 12px; color: var(--muted); }
.form-message.error { color: var(--danger); }

.panel-view {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
}
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  padding: 34px 26px 28px;
  display: flex;
  flex-direction: column;
}
.panel-brand { font-size: 22px; }
.nav-list { display: grid; gap: 8px; margin-top: 54px; }
.nav-item {
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-item.active { background: var(--accent-soft); }
.nav-item span { font-size: 9px; color: var(--muted); }
.nav-item.disabled { opacity: .48; cursor: default; }
.logout-button {
  margin-top: auto;
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 12px 0;
  text-align: left;
}
.content-area { padding: 40px 48px 56px; min-width: 0; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 34px;
}
.eyebrow { margin: 0 0 6px; color: var(--muted); font-size: 12px; }
h1 { margin: 0; font-size: 34px; font-weight: 500; }
.user-chip {
  border: 1px solid var(--border);
  background: #fff;
  padding: 10px 14px;
  font-size: 12px;
  color: var(--muted);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 220px));
  gap: 16px;
  margin-bottom: 22px;
}
.stat-card,
.table-card {
  background: var(--surface);
  border: 1px solid var(--border);
}
.stat-card { padding: 20px; }
.stat-label { display: block; color: var(--muted); font-size: 12px; margin-bottom: 10px; }
.stat-card strong { font-size: 28px; font-weight: 500; }
.table-card { overflow: hidden; }
.table-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 24px;
  border-bottom: 1px solid var(--border);
}
.table-toolbar h2 { margin: 0 0 5px; font-size: 17px; font-weight: 500; }
.table-toolbar p { margin: 0; color: var(--muted); font-size: 12px; }
.secondary-button {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  padding: 10px 14px;
}
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 720px; }
th, td {
  text-align: left;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
th { color: var(--muted); font-weight: 500; font-size: 11px; }
.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  background: #eaf5ef;
  color: var(--success);
  font-size: 11px;
}
.empty-state { color: var(--muted); text-align: center; padding: 34px 24px; }
.table-card > .form-message { padding: 12px 24px 18px; }

@media (max-width: 820px) {
  .panel-view { grid-template-columns: 1fr; }
  .sidebar {
    position: relative;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--border);
    padding: 24px;
  }
  .nav-list { margin-top: 28px; grid-template-columns: 1fr; }
  .logout-button { margin-top: 18px; }
  .content-area { padding: 28px 20px 40px; }
  .topbar { align-items: flex-start; flex-direction: column; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
  .auth-card { padding: 36px 24px; }
  .stats-grid { grid-template-columns: 1fr; }
  .table-toolbar { align-items: flex-start; flex-direction: column; }
}