:root {
  --bg-start: #fff8ef;
  --bg-end: #ffe1bf;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-border: rgba(148, 92, 24, 0.12);
  --text: #382514;
  --muted: #76553a;
  --accent: #d65a31;
  --accent-hover: #b94d29;
  --success: #1d6f42;
  --error: #b33030;
  --shadow: 0 24px 80px rgba(109, 67, 24, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.85), transparent 30%),
    linear-gradient(135deg, var(--bg-start), var(--bg-end));
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: min(760px, 100%);
  padding: 32px;
  border: 1px solid var(--panel-border);
  border-radius: 28px;
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  margin: 10px 0 12px;
  font-size: clamp(32px, 4vw, 46px);
  line-height: 1.05;
}

.intro {
  margin: 0 0 24px;
  line-height: 1.7;
  color: var(--muted);
}

.form {
  display: grid;
  gap: 14px;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.label {
  font-weight: 600;
}

.hint {
  margin: -6px 0 4px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

input,
textarea {
  width: 100%;
  border: 1px solid rgba(118, 85, 58, 0.18);
  border-radius: 18px;
  font: inherit;
  line-height: 1.6;
  color: var(--text);
  background: rgba(255, 255, 255, 0.96);
}

input {
  padding: 14px 18px;
}

textarea {
  resize: vertical;
  min-height: 180px;
  padding: 16px 18px;
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(214, 90, 49, 0.2);
  border-color: rgba(214, 90, 49, 0.4);
}

button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 14px 22px;
  font: inherit;
  font-weight: 700;
  color: #fff;
  background: var(--accent);
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, opacity 0.18s ease;
}

button:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.7;
  cursor: progress;
  transform: none;
}

.secondary {
  color: var(--accent);
  background: rgba(214, 90, 49, 0.12);
}

.secondary:hover {
  background: rgba(214, 90, 49, 0.18);
}

.result {
  margin-top: 24px;
  padding: 20px;
  border-radius: 20px;
  background: rgba(255, 248, 239, 0.9);
  border: 1px solid rgba(148, 92, 24, 0.12);
}

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

.status-text {
  color: var(--success);
  line-height: 1.6;
}

.status-text.error {
  color: var(--error);
}

.result-box {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 14px;
  flex-wrap: wrap;
}

.result-box a {
  color: var(--accent);
  word-break: break-all;
  font-weight: 600;
}

.hidden {
  display: none;
}

@media (max-width: 640px) {
  .card {
    padding: 22px;
    border-radius: 22px;
  }

  .actions {
    flex-direction: column;
  }

  .result-box {
    flex-direction: column;
    align-items: stretch;
  }

  .actions button,
  .secondary {
    width: 100%;
  }
}