:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #1f2430;
  --muted: #6b7280;
  --border: #e2e5ea;
  --plus: #16a34a;
  --plus-bg: #f0fdf4;
  --minus: #dc2626;
  --minus-bg: #fef2f2;
  --accent: #2563eb;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 10;
}

header h1 {
  font-size: 18px;
  margin: 0;
  flex: 1;
  white-space: nowrap;
}

.month-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.month-nav input[type="month"] {
  font-size: 15px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  color: var(--text);
}

button,
.btn {
  font-family: inherit;
  font-size: 14px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

button:hover,
.btn:hover {
  background: #f0f2f5;
}

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

button.primary:hover {
  background: #1d4ed8;
}

button.ghost {
  border: none;
  background: none;
  color: var(--muted);
  padding: 2px 6px;
  font-size: 16px;
  line-height: 1;
}

button.ghost:hover {
  color: var(--minus);
  background: none;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 16px 40px;
}

.toolbar {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
}

.toolbar input[type="text"] {
  flex: 1;
  min-width: 180px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
}

.person-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 18px;
  overflow: hidden;
}

.person-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

.person-head h2 {
  font-size: 16px;
  margin: 0;
  flex: 1;
}

.badge {
  font-size: 13px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.badge.pos {
  background: var(--plus-bg);
  color: var(--plus);
}

.badge.neg {
  background: var(--minus-bg);
  color: var(--minus);
}

.badge.zero {
  background: #f0f2f5;
  color: var(--muted);
}

.person-body {
  padding: 14px 18px 18px;
}

.entries {
  list-style: none;
  margin: 0 0 10px;
  padding: 0;
}

.entries li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 7px 10px;
  border-radius: 8px;
  margin-bottom: 6px;
  font-size: 14px;
}

.entries li.plus {
  background: var(--plus-bg);
}

.entries li.minus {
  background: var(--minus-bg);
}

.entries li .sign {
  font-weight: 700;
  width: 16px;
  flex-shrink: 0;
}

.entries li.plus .sign {
  color: var(--plus);
}

.entries li.minus .sign {
  color: var(--minus);
}

.entries li .txt {
  flex: 1;
}

.no-entries {
  color: var(--muted);
  font-size: 13px;
  font-style: italic;
  margin: 0 0 10px;
}

.entry-form {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
}

.entry-form input {
  flex: 1;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
}

.entry-form button.plus-btn {
  color: var(--plus);
  font-weight: 700;
}

.entry-form button.minus-btn {
  color: var(--minus);
  font-weight: 700;
}

.verdict {
  border-top: 1px dashed var(--border);
  padding-top: 14px;
}

.verdict-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.verdict-row label {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}

.verdict-row input[type="range"] {
  flex: 1;
  accent-color: var(--accent);
}

.verdict-value {
  font-size: 16px;
  font-weight: 700;
  min-width: 62px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.verdict-value.pos {
  color: var(--plus);
}

.verdict-value.neg {
  color: var(--minus);
}

.verdict-value.zero {
  color: var(--muted);
}

.verdict textarea {
  width: 100%;
  margin-top: 10px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 14px;
  resize: vertical;
  min-height: 40px;
}

.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 60px 20px;
  font-size: 15px;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  padding: 20px;
}

footer p {
  margin: 6px 0;
}

footer .btn,
footer button {
  font-size: 12px;
  padding: 4px 10px;
  margin: 0 4px;
}

.user-chip {
  font-size: 13px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  background: #eef2ff;
  color: var(--accent);
  white-space: nowrap;
}

.save-error {
  background: var(--minus-bg);
  color: var(--minus);
  border: 1px solid #fecaca;
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 14px;
}

.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.auth-card h1 {
  font-size: 20px;
  margin: 0 0 4px;
  text-align: center;
}

.auth-card label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}

.auth-card input {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  font-weight: 400;
  color: var(--text);
}

.auth-card button {
  padding: 10px;
  font-size: 15px;
}

.auth-note {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}

.form-error {
  color: var(--minus);
  font-size: 13px;
  margin: 0;
}

.form-info {
  color: var(--muted);
  font-size: 13px;
  margin: 8px 0 0;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  padding: 14px 18px 18px;
}

.overview-user {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}

.overview-user-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.overview-note {
  font-size: 13px;
  font-style: italic;
  color: var(--muted);
  margin: 8px 0 0;
}

.admin-users {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-top: 28px;
}

.admin-users h2 {
  font-size: 16px;
  margin: 0 0 12px;
}

.user-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
}

.user-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--bg);
  margin-bottom: 6px;
  font-size: 14px;
}

.user-list li .txt {
  flex: 1;
  font-weight: 600;
}