/* Адаптивна верстка (ТЗ §6) - без стороннього CSS-фреймворку, flex/grid.
 * `uplot.min.css` завантажується окремо (base.html), цей файл - лише
 * власне оформлення сторінок. */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: #1a1a1a;
  background: #f5f5f7;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background: #1e293b;
  color: #fff;
}

.topbar .brand {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
}

.logout-form {
  margin: 0;
}

.logout-form button {
  background: transparent;
  color: #fff;
  border: 1px solid #64748b;
  border-radius: 4px;
  padding: 0.3rem 0.6rem;
  cursor: pointer;
}

.content {
  max-width: 1000px;
  margin: 0 auto;
  padding: 1rem;
}

h1 {
  font-size: 1.4rem;
  margin: 0 0 0.75rem;
}

.device-label {
  font-weight: 400;
  color: #475569;
}

.device-meta {
  color: #475569;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.search-form,
.filter-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: end;
  margin-bottom: 1rem;
}

.search-form label,
.filter-form label {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
  gap: 0.2rem;
}

.search-form input,
.filter-form input {
  padding: 0.4rem;
  font-size: 1rem;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
}

.search-form button,
.filter-form button {
  padding: 0.45rem 0.9rem;
  font-size: 1rem;
  border: none;
  border-radius: 4px;
  background: #2563eb;
  color: #fff;
  cursor: pointer;
}

.export-link {
  padding: 0.45rem 0.9rem;
  border: 1px solid #2563eb;
  border-radius: 4px;
  color: #2563eb;
  text-decoration: none;
  font-size: 0.9rem;
}

.table-scroll {
  overflow-x: auto;
  margin-bottom: 1rem;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: 0.9rem;
}

.data-table th,
.data-table td {
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid #e2e8f0;
  text-align: left;
  white-space: nowrap;
}

.data-table th {
  background: #f1f5f9;
  position: sticky;
  top: 0;
}

.clickable-row {
  cursor: pointer;
}

.clickable-row:hover {
  background: #eff6ff;
}

.pagination {
  display: flex;
  gap: 1rem;
  align-items: center;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.pagination a {
  color: #2563eb;
  text-decoration: none;
}

.chart-container {
  margin-bottom: 1.5rem;
  background: #fff;
  padding: 0.5rem;
  border-radius: 6px;
  overflow-x: auto;
}

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
  max-width: 320px;
  background: #fff;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.login-form label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.9rem;
}

.login-form input {
  padding: 0.5rem;
  font-size: 1rem;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
}

.login-form button {
  padding: 0.6rem;
  font-size: 1rem;
  border: none;
  border-radius: 4px;
  background: #2563eb;
  color: #fff;
  cursor: pointer;
}

.error {
  color: #dc2626;
  font-size: 0.9rem;
}

/* Мобільна адаптивність (ТЗ §6) - вужчий viewport: колонки форм у
 * стовпчик, менші відступи. */
@media (max-width: 600px) {
  .content {
    padding: 0.5rem;
  }

  .search-form,
  .filter-form {
    flex-direction: column;
    align-items: stretch;
  }

  .data-table th,
  .data-table td {
    padding: 0.4rem;
  }
}