@import url("https://fonts.googleapis.com/css2?family=Noto+Sans:wght@400;600;700&display=swap");

:root {
  --bg: #f8efe6;
  --surface: #fffdfa;
  --line: #e5d1bf;
  --ink: #33271f;
  --brand: #c27340;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100svh;
  display: grid;
  place-items: stretch;
  padding: 0;
  font-family: "Noto Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 12%, rgba(255, 220, 183, 0.55) 0%, transparent 36%),
    radial-gradient(circle at 86% 84%, rgba(202, 226, 188, 0.5) 0%, transparent 38%),
    linear-gradient(180deg, #fffaf5 0%, var(--bg) 100%);
}

.viewer {
  width: 100%;
  min-height: 100svh;
  background: var(--surface);
  border: 0;
  border-radius: 0;
  padding: clamp(12px, 2vw, 20px);
  box-shadow: none;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

h1 {
  margin: 0;
  font-size: clamp(1rem, 1.8vw, 1.35rem);
  color: #7f4527;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 8px 14px;
  background: linear-gradient(120deg, var(--brand), #e0a06e);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

.frame {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
}

img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.hint {
  margin: 10px 0 0;
  color: #6d5b4f;
  font-size: 0.88rem;
}