:root {
  color-scheme: light;
  --green-900: #0f3d26;
  --green-700: #1f6f43;
  --green-500: #3ca365;
  --green-300: #8ad3a2;
  --green-100: #e4f6ea;
  --white: #ffffff;
  --shadow: 0 12px 30px rgba(15, 61, 38, 0.12);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  background: var(--green-100);
  color: var(--green-900);
}

.site-header {
  padding: 32px 20px 16px;
  text-align: center;
}

.site-header h1 {
  margin: 0 0 6px;
  font-size: 28px;
}

.subtitle {
  margin: 0;
  color: var(--green-700);
  font-size: 15px;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px 20px 40px;
}

.cards {
  display: grid;
  gap: 20px;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.card h2 {
  margin: 0 0 12px;
  font-size: 22px;
}

.card .muted {
  margin: 0 0 12px;
  color: var(--green-700);
  font-size: 14px;
}

.auth-status {
  margin-bottom: 12px;
  font-size: 14px;
  color: #a33030;
}

.auth-status.ready {
  color: var(--green-700);
}

.guide-card {
  background: #f7fff9;
}

.guide-list {
  margin: 0;
  padding-left: 20px;
  color: var(--green-900);
  display: grid;
  gap: 8px;
}

.red-text {
  color: #c33d3d;
}

.alert {
  min-height: 28px;
  margin-bottom: 16px;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 14px;
  display: none;
}

.alert.show {
  display: block;
}

.alert.error {
  background: #ffe1e1;
  color: #a33030;
}

.alert.success {
  background: #e3f7ea;
  color: var(--green-900);
}

.user-row {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.user-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.user-header h3 {
  margin: 0;
  font-size: 22px;
}

.user-value {
  font-weight: 700;
  color: var(--green-700);
  font-size: 18px;
}

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

.grape-svg {
  width: 54px;
  height: 54px;
}

.grape-svg.full circle {
  fill: var(--green-500);
}

.grape-svg.partial circle {
  fill: #d5f0dd;
}

.grape-slice {
  fill: var(--green-500);
}

.grape-svg.red.full circle {
  fill: #d65252;
}

.grape-svg.red.partial circle {
  fill: #f8d6d6;
}

.grape-svg.red .grape-slice {
  fill: #d65252;
}

.admin-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
}

.admin-card .grapes {
  padding-bottom: 8px;
}

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

.action-group {
  padding: 12px;
  border-radius: 14px;
  background: var(--green-100);
}

.action-title {
  font-weight: 700;
  margin-bottom: 10px;
}

.btn {
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}

.btn:active {
  transform: scale(0.97);
}

.btn.primary {
  background: var(--green-500);
  color: white;
  box-shadow: 0 8px 20px rgba(60, 163, 101, 0.3);
}

.btn.ghost {
  background: transparent;
  border: 1px solid var(--green-300);
  color: var(--green-700);
}

.form-row {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}

input[type="password"] {
  flex: 1;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--green-300);
  font-size: 15px;
}

.log-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.log-item {
  padding: 12px;
  border-radius: 12px;
  background: var(--green-100);
  color: var(--green-900);
  font-size: 14px;
}

.site-footer {
  text-align: center;
  padding: 20px;
  color: var(--green-700);
  font-size: 14px;
}

.admin-link {
  display: inline-block;
  margin-top: 8px;
  color: var(--green-700);
  text-decoration: none;
  font-weight: 600;
}

@media (min-width: 720px) {
  .cards {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  }

  .user-row {
    min-height: 220px;
  }
}