:root {
  --bg: #f2f4f8;
  --bg-soft: #f7f9fc;
  --card: #ffffff;
  --line: #dde3ed;
  --line-strong: #cdd6e3;
  --text: #1c2533;
  --muted: #6c788c;
  --blue: #1f6feb;
  --blue-dark: #0f4fb8;
  --green: #265b3d;
  --red: #8f3341;
  --orange: #8f5a2f;
  --shadow: 0 6px 20px rgba(20, 35, 70, 0.05);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  background: linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 100%);
  color: var(--text);
  line-height: 1.4;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 14px;
}

.topbar {
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-inner {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.brand {
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.1px;
}

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

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
  padding: 6px 8px;
  border-radius: 8px;
}

.nav a:hover { background: #eef4ff; color: var(--blue-dark); }

.main { padding: 16px 14px 28px; }

.footer {
  color: var(--muted);
  padding: 2px 14px 18px;
  font-size: 12px;
}

h1 {
  margin: 0 0 14px;
  font-size: 27px;
  line-height: 1.2;
}

h2 {
  margin: 0 0 10px;
  font-size: 19px;
}

h3 {
  margin: 12px 0 8px;
  font-size: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}

.narrow { max-width: 440px; }

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 10px;
  font-size: 14px;
}

.form-grid { display: grid; gap: 8px; }
.form-grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.form-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-grid.compact { margin-top: 8px; }

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

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

.section-head-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 8px;
}

.section-head-row h2 {
  margin: 0;
}

.date-filter-form {
  margin-bottom: 10px;
  display: flex;
  align-items: flex-end;
  gap: 14px;
  flex-wrap: wrap;
}

.date-range-grid {
  display: grid;
  grid-template-columns: repeat(2, 220px);
  gap: 10px;
}

.date-filter-form.compact-right {
  margin-left: auto;
  margin-bottom: 0;
}

.filter-presets {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 0;
}

.filter-presets label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.date-filter-form input[type="date"] {
  width: 220px;
  max-width: 220px;
}

label { font-size: 13px; color: var(--muted); }

input, textarea, select {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  padding: 9px 10px;
  font-size: 14px;
  color: var(--text);
  background: #fff;
  outline: none;
  transition: border-color .14s ease, box-shadow .14s ease;
}

input:focus, textarea:focus, select:focus {
  border-color: #86aef3;
  box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.11);
}

textarea { min-height: 120px; resize: vertical; }

.btn {
  border: 1px solid #1b61cf;
  background: linear-gradient(180deg, #2b78ef 0%, #1f6feb 100%);
  color: #fff;
  border-radius: 9px;
  padding: 9px 14px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.btn:hover { background: linear-gradient(180deg, #307df1 0%, #1a63d8 100%); }
.btn:disabled { opacity: .65; cursor: not-allowed; }
.btn.btn-small { padding: 7px 10px; font-size: 13px; }

.inline-form { margin: 0; }

.switch {
  position: relative;
  display: inline-block;
  width: 42px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: #ff2f3f;
  border-radius: 20px;
  transition: .2s;
}

.switch-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: .2s;
}

.switch input:checked + .switch-slider {
  background: #17c653;
}

.switch input:checked + .switch-slider:before {
  transform: translateX(18px);
}

.link-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 8px;
}

.link-btn:hover { background: #f0f4fb; color: var(--text); }

.alert {
  border-radius: 10px;
  padding: 9px 10px;
  margin-bottom: 10px;
  font-size: 14px;
}

.alert-error {
  background: #fff0f2;
  border: 1px solid #efcad3;
  color: #8a3140;
}

.alert-success {
  background: #eef9f1;
  border: 1px solid #cbead4;
  color: #2b6644;
}

.form-message {
  margin-top: 7px;
  font-size: 13px;
  color: var(--muted);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

.edit-table {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}

.edit-table td input,
.edit-table td select {
  min-width: 170px;
}

th, td {
  border-bottom: 1px solid #edf1f6;
  padding: 8px 10px;
  text-align: left;
  font-size: 13px;
  white-space: nowrap;
}

th {
  background: #f9fbff;
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.25px;
  font-size: 11.5px;
}

tr:hover td { background: #fbfcff; }

.status { font-weight: 700; font-size: 12px; }
.status-success { color: var(--green); }
.status-error { color: var(--red); }
.status-limit { color: #265ca2; }
.status-unauthorized { color: var(--orange); }
.status-pending { color: #9f6a2a; }

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.tab {
  text-decoration: none;
  color: #285c9d;
  background: #edf4ff;
  border: 1px solid #d7e7ff;
  border-radius: 10px;
  padding: 7px 10px;
  font-size: 13px;
}

.tab.active {
  background: #dcebff;
  color: #0f4fb8;
  font-weight: 700;
}

.pagination {
  display: flex;
  gap: 6px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.page {
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-decoration: none;
  color: var(--text);
  font-size: 12px;
  background: #fff;
}

.page.current {
  border-color: #c6dafc;
  background: #eaf2ff;
  color: #1a59bd;
}

.pending-spinner {
  display: inline-block;
  width: 13px;
  height: 13px;
  border: 2px solid #bfd0ea;
  border-top-color: #2a67c3;
  border-radius: 50%;
  animation: spin .9s linear infinite;
  vertical-align: middle;
}

details summary {
  cursor: pointer;
  color: #335f95;
  font-weight: 600;
}

.sources-table td {
  white-space: normal;
  vertical-align: top;
}

.source-edit-form {
  max-width: 560px;
}

.source-edit-form .field-label {
  display: block;
}

.source-edit-form .field-label input,
.source-edit-form .field-label select {
  display: block;
  width: 100%;
  margin-top: 6px;
}

a { color: #1d66db; }

a:hover { color: #0f4fb8; }

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@media (max-width: 900px) {
  .form-grid.cols-4,
  .form-grid.cols-3 { grid-template-columns: 1fr; }

  .buy-grid { grid-template-columns: 1fr; }
  .date-range-grid { grid-template-columns: 1fr; }
  .section-head-row {
    flex-direction: column;
    align-items: stretch;
  }
  .date-filter-form.compact-right {
    margin-left: 0;
  }
  .date-filter-form input[type="date"] {
    width: 100%;
    max-width: 100%;
  }

  .topbar-inner { min-height: 54px; }
  h1 { font-size: 23px; }
}