:root {
  --bg: #f3efe7;
  --paper: rgba(255, 252, 247, 0.9);
  --ink: #182127;
  --muted: #61707b;
  --line: rgba(24, 33, 39, 0.12);
  --accent: #b14d2d;
  --accent-strong: #8f3417;
  --shadow: 0 20px 60px rgba(81, 50, 24, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(177, 77, 45, 0.15), transparent 30%),
    radial-gradient(circle at right, rgba(54, 113, 136, 0.12), transparent 25%),
    linear-gradient(180deg, #f5f1ea, #ece4d8);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.shell {
  width: min(1240px, calc(100vw - 32px));
  margin: 24px auto 48px;
}

.hero,
.panel {
  background: var(--paper);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 24px;
  padding: 28px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 12px;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1;
}

.lead,
.panel-head p,
.notice p,
.empty-state,
.muted {
  color: var(--muted);
}

.hero-card {
  display: grid;
  gap: 14px;
  align-content: start;
}

.hero-item {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(24, 33, 39, 0.08);
}

.hero-item span,
label span {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--muted);
}

.hero-item strong {
  display: block;
  word-break: break-all;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 0.95fr;
  gap: 20px;
  margin-top: 20px;
}

.panel {
  padding: 22px;
}

.panel-head {
  margin-bottom: 18px;
}

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

label {
  display: block;
}

input,
textarea,
button,
pre {
  font: inherit;
}

input,
textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(24, 33, 39, 0.12);
  background: rgba(255, 255, 255, 0.84);
  color: var(--ink);
}

textarea {
  resize: vertical;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 14px 18px;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

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

button:disabled {
  opacity: 0.6;
  cursor: default;
  transform: none;
}

.notice {
  margin-top: 16px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(177, 77, 45, 0.08);
}

.notice pre {
  margin-top: 12px;
  max-height: 260px;
}

.batch-list {
  display: grid;
  gap: 12px;
}

.batch-card {
  width: 100%;
  text-align: left;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  border: 1px solid rgba(24, 33, 39, 0.08);
  border-radius: 18px;
}

.batch-card.active {
  outline: 2px solid rgba(177, 77, 45, 0.35);
}

.batch-card-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.detail-panel {
  margin-top: 20px;
}

.detail-actions {
  margin-bottom: 14px;
}

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

.result-list {
  display: grid;
  gap: 12px;
}

.result-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(24, 33, 39, 0.08);
  background: rgba(255, 255, 255, 0.76);
}

.result-email {
  word-break: break-all;
}

.status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  text-transform: lowercase;
}

.status.waiting,
.status.notverified,
.status.unknown {
  background: rgba(168, 128, 23, 0.14);
  color: #8c6610;
}

.status.received,
.status.valid {
  background: rgba(34, 135, 86, 0.14);
  color: #176642;
}

.status.invalid,
.status.dea,
.status.format_err {
  background: rgba(179, 50, 44, 0.14);
  color: #8b241f;
}

.status.catch-all {
  background: rgba(42, 98, 173, 0.14);
  color: #1d4f93;
}

pre {
  margin: 0;
  padding: 18px;
  border-radius: 18px;
  background: #101418;
  color: #dce7ef;
  overflow: auto;
  max-height: 560px;
}

.hidden {
  display: none;
}

.empty-state {
  padding: 24px;
  border: 1px dashed rgba(24, 33, 39, 0.14);
  border-radius: 18px;
  text-align: center;
}

@media (max-width: 960px) {
  .hero,
  .grid {
    grid-template-columns: 1fr;
  }
}