:root {
      --bg: #f5f6f8;
      --panel: rgba(255,255,255,0.82);
      --panel-strong: rgba(255,255,255,0.94);
      --text: #101114;
      --muted: #6b7280;
      --line: rgba(16,17,20,0.08);
      --shadow: 0 20px 50px rgba(15, 23, 42, 0.08);

      --pb95: #1fbf75;
      --pb95-soft: rgba(31,191,117,0.14);
      --pb98: #5b8cff;
      --pb98-soft: rgba(91,140,255,0.14);
      --on: #ff9a3d;
      --on-soft: rgba(255,154,61,0.16);

      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 18px;
    }

    * { box-sizing: border-box; }

    html, body {
      margin: 0;
      padding: 0;
      background:
        radial-gradient(circle at top left, rgba(91,140,255,0.10), transparent 30%),
        radial-gradient(circle at top right, rgba(31,191,117,0.10), transparent 28%),
        var(--bg);
      color: var(--text);
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }

    body {
      min-height: 100vh;
      padding: 32px 18px 48px;
    }

    .visually-hidden {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }

    .wrap {
      max-width: 980px;
      margin: 0 auto;
    }

    .hero {
      display: flex;
      align-items: flex-start;
      gap: 20px;
      margin-bottom: 22px;
    }

    .hero > div {
      width: 100%;
    }

    .title {
      margin: 0;
      font-size: clamp(2rem, 5vw, 3.6rem);
      line-height: 0.96;
      letter-spacing: -0.05em;
      font-weight: 800;
    }

    .subtitle {
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 0.98rem;
      max-width: 520px;
      line-height: 1.5;
    }

    .status {
      border-radius: 12px;
      padding: 0.75rem 0.9rem;
      font-size: 0.95rem;
      border: 1px solid transparent;
      display: inline-block;
      display: block;
      width: 100%;
      margin-top: 12px;
    }

    .status.ready {
      background: rgba(22, 163, 74, 0.1);
      border-color: rgba(22, 163, 74, 0.25);
      color: #166534;
    }

    .status.waiting {
      background: rgba(217, 119, 6, 0.12);
      border-color: rgba(217, 119, 6, 0.28);
      color: #9a3412;
    }

     .online-badge {
      position: absolute;
      top: 24px;
      right: 24px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: #22c55e;
      box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2), 0 0 10px rgba(34, 197, 94, 0.4);
      animation: onlinePulse 1.2s ease-in-out infinite;
      z-index: 2;
    }

    @keyframes onlinePulse {
      0%, 100% {
        opacity: 0.35;
        box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.12), 0 0 6px rgba(34, 197, 94, 0.22);
      }
      50% {
        opacity: 1;
        box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.18), 0 0 14px rgba(34, 197, 94, 0.48);
      }
    }


    .panel {
      background: var(--panel);
      border: 1px solid rgba(255,255,255,0.7);
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow);
      border-radius: var(--radius-xl);
    }

    .top {
      position: relative;
      padding: 26px;
      margin-bottom: 18px;
    }

    .meta {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 18px;
      margin-top: 22px;
    }

    .meta-card {
      background: var(--panel-strong);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      padding: 20px;
    }

    .eyebrow {
      font-size: 0.78rem;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: var(--muted);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }

    .eyebrow-date {
      letter-spacing: 0;
      text-transform: none;
    }

    .effective-date {
      font-size: clamp(1.6rem, 3vw, 2.4rem);
      font-weight: 750;
      letter-spacing: -0.04em;
      margin: 0;
    }

    .helper {
      margin-top: 10px;
      color: var(--muted);
      font-size: 0.95rem;
      line-height: 1.5;
    }

    .notice {
      margin: 0 0 8px;
      font-size: 1.02rem;
      line-height: 1.4;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
    }

    .notice-title {
      font-weight: 650;
    }

    .notice-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--text);
      text-decoration: none;
      border-bottom: 1px solid rgba(16,17,20,0.18);
      padding-bottom: 2px;
      font-size: 0.95rem;
    }

    .notice-link:hover {
      border-bottom-color: rgba(16,17,20,0.6);
    }

    .prices {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
      margin-bottom: 18px;
    }

    .price-card {
      position: relative;
      overflow: hidden;
      padding: 26px 24px 24px;
      border-radius: var(--radius-xl);
      background: var(--panel);
      border: 1px solid rgba(255,255,255,0.7);
      box-shadow: var(--shadow);
      backdrop-filter: blur(18px);
      min-height: 164px;
    }

    .price-card::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(255,255,255,0.46), transparent 52%);
      pointer-events: none;
    }

    .price-card::after {
      content: "";
      position: absolute;
      width: 180px;
      height: 180px;
      right: -68px;
      top: -68px;
      border-radius: 50%;
      pointer-events: none;
    }

    .price-card.pb95::after { background: var(--pb95-soft); }
    .price-card.pb98::after { background: var(--pb98-soft); }
    .price-card.on::after { background: var(--on-soft); }

    .fuel-code {
      position: relative;
      z-index: 1;
      font-size: 1rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      margin-bottom: 18px;
    }

    .price-card.pb95 .fuel-code { color: var(--pb95); }
    .price-card.pb98 .fuel-code { color: var(--pb98); }
    .price-card.on .fuel-code { color: var(--on); }

    .price {
      position: relative;
      z-index: 1;
      margin: 0;
      font-size: clamp(2.5rem, 6vw, 4rem);
      line-height: 0.92;
      font-weight: 800;
      letter-spacing: -0.06em;
    }

    .price-main {
      position: relative;
      z-index: 1;
      display: flex;
      gap: 10px;
      align-items: flex-end;
    }

    .price-side {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 7px;
      min-width: 94px;
    }

    .unit {
      color: var(--muted);
      font-size: 0.88rem;
    }

    .change {
      font-size: 0.82rem;
      color: var(--muted);
    }

    .change.down { color: #16a34a; }
    .change.up { color: #dc2626; }

    .change.flat { color: #6b7280; }

    .change-line {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-weight: bold;
    }

    .trend-icon {
      width: 24px;
      height: 14px;
      display: inline-block;
    }

    .history {
      padding: 22px 22px 18px;
    }

    .history-head {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      gap: 14px;
      margin-bottom: 14px;
    }

    .history-title {
      margin: 0;
      font-size: 1rem;
      font-weight: 700;
      letter-spacing: -0.02em;
    }

    .history-note {
      color: var(--muted);
      font-size: 0.88rem;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .history-note .fuel.pb95 { color: var(--pb95); }
    .history-note .fuel.pb98 { color: var(--pb98); }
    .history-note .fuel.on { color: var(--on); }

    .chart-wrap {
      height: 260px;
      position: relative;
    }

    canvas {
      width: 100%;
      height: 100%;
      display: block;
    }

    .site-footer {
      max-width: 980px;
      margin: 16px auto 0;
      padding: 0 4px;
      color: var(--muted);
      font-size: 0.86rem;
      text-align: center;
    }

    .site-footer p {
      margin: 0;
    }

    .footer-link {
      color: inherit;
      text-decoration: none;
      border-bottom: 1px dashed rgba(107, 114, 128, 0.45);
      transition: border-color 160ms ease, color 160ms ease;
    }

    .footer-link:hover {
      color: #374151;
      border-bottom-color: rgba(55, 65, 81, 0.75);
    }

    @media (max-width: 720px) {
      .hero,
      .history-head {
        flex-direction: column;
        align-items: flex-start;
      }

      .meta {
        grid-template-columns: 1fr;
      }

      .prices {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 10px;
      }

      .price-card {
        min-height: 0;
        padding: 18px 12px 14px;
        border-radius: var(--radius-md);
      }

      .price-main {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }

      .price-side {
        align-items: flex-start;
        min-width: 0;
        gap: 5px;
      }

      .fuel-code {
        margin-bottom: 10px;
        font-size: 0.85rem;
        letter-spacing: 0.08em;
      }

      .price {
        font-size: clamp(1.35rem, 7vw, 2rem);
      }

      .unit,
      .change {
        font-size: 0.72rem;
      }

      .site-footer {
        margin-top: 12px;
        font-size: 0.8rem;
      }
    }