@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,400,0,0");

:root {
  --md-primary: #0057d9;
  --md-primary-container: #dbe6ff;
  --md-on-primary: #ffffff;
  --md-secondary: #1967d2;
  --md-bg: #f6f8fc;
  --md-surface: #ffffff;
  --md-surface-2: #eef3fb;
  --md-border: #d0d7e5;
  --md-text: #1c1f26;
  --md-muted: #5f6b7c;
  --md-danger: #b3261e;
  --md-success: #188038;
  --radius: 14px;
  --shadow-1: 0 1px 2px rgba(16, 24, 40, 0.08), 0 1px 3px rgba(16, 24, 40, 0.14);
  --shadow-2: 0 8px 20px rgba(16, 24, 40, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Roboto", sans-serif;
  color: var(--md-text);
  background:
    radial-gradient(circle at 8% 4%, #e6efff 0%, transparent 28%),
    radial-gradient(circle at 92% 3%, #e7f0ff 0%, transparent 25%),
    var(--md-bg);
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--md-border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  width: 172px;
  height: 64px;
  object-fit: contain;
  object-position: center;
  border-radius: 10px;
}

.brand-title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand-subtitle {
  font-size: 0.79rem;
  color: var(--md-muted);
}

.login-logo {
  display: flex;
  justify-content: center;
}

.login-logo img {
  width: 180px;
  height: 72px;
  object-fit: contain;
}

.login-card h2 {
  margin: 0 0 18px;
}

.login-form {
  display: grid;
  gap: 10px;
}

.login-form label {
  margin-top: 2px;
  margin-bottom: -2px;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.main-nav a {
  text-decoration: none;
  color: var(--md-text);
  border: 1px solid transparent;
  background: transparent;
  border-radius: 999px;
  padding: 8px 12px;
  font-weight: 500;
  font-size: 0.92rem;
}

.main-nav a:hover {
  background: var(--md-surface-2);
}

.main-nav a.active,
.main-nav a:focus-visible {
  border-color: var(--md-border);
  background: var(--md-primary-container);
  outline: none;
}

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px;
}

.grid {
  display: grid;
  gap: 16px;
}

.grid.cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.card h2,
.card h3 {
  margin: 0 0 10px;
}

.muted {
  color: var(--md-muted);
}

.alert {
  border-radius: 10px;
  padding: 10px 12px;
  margin: 8px 0;
  font-size: 0.93rem;
}

.alert.error {
  background: #fdeceb;
  color: var(--md-danger);
  border: 1px solid #f4c7c3;
}

.alert.success {
  background: #e8f5e9;
  color: var(--md-success);
  border: 1px solid #a8d7b1;
}

form {
  display: grid;
  gap: 8px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

label {
  font-size: 0.9rem;
  color: #243041;
  font-weight: 500;
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  min-height: 40px;
  padding: 9px 11px;
  border: 1px solid var(--md-border);
  border-radius: 10px;
  background: #fff;
  color: var(--md-text);
}

input[type="checkbox"] {
  width: 18px;
  min-height: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--md-primary);
  border-radius: 4px;
  box-shadow: none;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--md-primary);
  box-shadow: 0 0 0 3px rgba(0, 87, 217, 0.16);
}

button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border: none;
  border-radius: 999px;
  padding: 0 14px;
  background: var(--md-primary);
  color: var(--md-on-primary);
  cursor: pointer;
  font-weight: 500;
  text-decoration: none;
  justify-self: start;
}

button.secondary,
.btn.secondary {
  background: var(--md-surface-2);
  color: var(--md-text);
}

button:hover,
.btn:hover {
  filter: brightness(0.97);
}

table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--md-border);
  border-radius: 12px;
  background: #fff;
}

th,
td {
  border-bottom: 1px solid #edf1f7;
  padding: 10px;
  text-align: left;
  font-size: 0.92rem;
}

th {
  background: #f7f9fd;
  font-weight: 600;
}

tr:hover td {
  background: #fbfcff;
}

.checkbox-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
}

.checkbox-grid label,
.inline-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 400;
  line-height: 1.2;
}

.help {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid #c6cfde;
  background: #f3f6fd;
  color: #3d4b63;
  font-size: 11px;
  cursor: help;
}

.help::after {
  content: attr(data-tip);
  position: absolute;
  left: 50%;
  bottom: 125%;
  transform: translateX(-50%);
  width: min(320px, 80vw);
  padding: 8px 10px;
  border-radius: 8px;
  background: #2f3847;
  color: #fff;
  font-size: 0.8rem;
  line-height: 1.35;
  box-shadow: var(--shadow-2);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}

.help:hover::after,
.help:focus-visible::after {
  opacity: 1;
}

.material-symbols-outlined {
  font-variation-settings:
    "FILL" 0,
    "wght" 400,
    "GRAD" 0,
    "opsz" 20;
  font-size: 18px;
}

.table-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.error-cell {
  width: 38%;
  min-width: 320px;
}

.error-content {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  line-height: 1.35;
  color: #4b5565;
}

@media (max-width: 920px) {
  .brand img {
    width: 136px;
    height: 52px;
  }

  .grid.cols-2 {
    grid-template-columns: 1fr;
  }

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

  .main-nav {
    justify-content: flex-start;
  }
}