:root {
  --bg: #f4f7fc;
  --bg-alt: #eaf0fb;
  --card: #ffffff;
  --text: #10223a;
  --muted: #5b6f87;
  --brand: #2563eb;
  --brand-strong: #1d4ed8;
  --accent: #3b82f6;
  --ok: #15803d;
  --bad: #b91c1c;
  --border: #d7e2f2;
  --shadow: 0 10px 28px rgba(19, 52, 108, 0.12);
}

html[data-theme="dark"] {
  --bg: #0f172a;
  --bg-alt: #1e293b;
  --card: #111c31;
  --text: #e5edf8;
  --muted: #9fb0cb;
  --brand: #3b82f6;
  --brand-strong: #2563eb;
  --accent: #60a5fa;
  --ok: #4ade80;
  --bad: #fb7185;
  --border: #2f4262;
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Manrope", "Poppins", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 8%, rgba(59, 130, 246, 0.22), transparent 35%),
    linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 62%);
}

.topbar {
  background: linear-gradient(108deg, var(--brand-strong), var(--brand), var(--accent));
  color: #f8fbff;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 12px;
}

.brand {
  display: flex;
  flex-direction: column;
}

.topbar h1 {
  margin: 0;
  font-size: 1.55rem;
}

.topbar p {
  margin: 4px 0 0;
  font-size: 0.86rem;
}

.header-actions {
  display: flex;
  flex-direction: column;
  align-items: end;
  gap: 8px;
}

.subtitle {
  margin: 0;
  font-size: 0.9rem;
  text-align: right;
}

.theme-btn {
  border-radius: 999px;
  padding: 7px 12px;
  cursor: pointer;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 12px 16px;
  background: color-mix(in srgb, var(--card) 80%, transparent);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.nav a {
  text-decoration: none;
  color: var(--text);
  background: color-mix(in srgb, var(--card) 88%, transparent);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.92rem;
  font-weight: 600;
  transition: all 0.16s ease;
}

.nav a:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.nav a.active {
  background: var(--brand);
  color: #fff8ef;
  border-color: var(--brand);
}

.container {
  max-width: 1230px;
  margin: 18px auto 28px;
  padding: 0 16px;
}

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 15px;
  box-shadow: var(--shadow);
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 10px;
}

.hero p {
  margin: 6px 0 0;
  color: var(--muted);
}

.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.kpi {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  box-shadow: var(--shadow);
}

.kpi h3 {
  margin: 0;
  font-size: 0.87rem;
  color: var(--muted);
}

.kpi p {
  margin: 8px 0 4px;
  font-size: 1.35rem;
  font-weight: 700;
}

.kpi small {
  color: var(--muted);
  font-size: 0.82rem;
}

.ok {
  color: var(--ok);
  font-weight: 700;
}

.bad {
  color: var(--bad);
  font-weight: 700;
}

details.panel summary {
  cursor: pointer;
  font-weight: 700;
}

details.panel[open] summary {
  margin-bottom: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table-scroll {
  width: 100%;
  overflow-x: auto;
}

th, td {
  border-bottom: 1px solid var(--border);
  text-align: left;
  padding: 10px 8px;
  vertical-align: top;
  white-space: nowrap;
}

th {
  background: color-mix(in srgb, var(--card) 78%, var(--bg-alt));
  font-weight: 700;
}

.inline-form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.grid-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

input, select, button {
  font-size: 0.94rem;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
}

button {
  cursor: pointer;
  background: linear-gradient(95deg, var(--brand-strong), var(--brand));
  color: #f8fbff;
  border-color: var(--brand-strong);
  font-weight: 600;
}

.theme-btn {
  background: rgba(16, 40, 95, 0.42);
  color: #f3f8ff;
  border: 1px solid rgba(213, 230, 255, 0.4);
}

.danger-btn {
  background: linear-gradient(95deg, #8a2634, #bc3247);
  border-color: #8a2634;
}

.action-link {
  display: inline-block;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
  background: color-mix(in srgb, var(--card) 88%, transparent);
  font-weight: 600;
}

.pager {
  margin-top: 12px;
}

.alerts {
  margin-bottom: 12px;
}

.alert {
  padding: 10px 12px;
  border-radius: 10px;
  margin-bottom: 6px;
  border: 1px solid;
}

.alert.success {
  background: color-mix(in srgb, var(--ok) 12%, var(--card));
  border-color: color-mix(in srgb, var(--ok) 45%, var(--border));
  color: var(--ok);
}

.alert.error {
  background: color-mix(in srgb, var(--bad) 11%, var(--card));
  border-color: color-mix(in srgb, var(--bad) 45%, var(--border));
  color: var(--bad);
}

.help-text {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

@media (max-width: 768px) {
  .nav {
    position: sticky;
    top: 0;
    z-index: 10;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-actions {
    align-items: flex-start;
  }

  .subtitle {
    text-align: left;
  }

  .hero {
    flex-direction: column;
    align-items: flex-start;
  }

  table {
    font-size: 0.82rem;
  }

  th, td {
    padding: 8px 6px;
  }

  td input,
  td select,
  td button {
    max-width: 100%;
  }
}