@import url("https://fonts.googleapis.com/css2?family=Zen+Maru+Gothic:wght@500;700;900&family=Noto+Sans+SC:wght@400;500;700&display=swap");

:root {
  --hue: 205;
  --page-bg: oklch(0.95 0.018 var(--hue));
  --page-bg-deep: oklch(0.9 0.03 var(--hue));
  --card-bg: rgba(255, 255, 255, 0.88);
  --line: rgba(12, 26, 38, 0.13);
  --text: oklch(0.28 0.02 var(--hue));
  --text-soft: oklch(0.5 0.025 var(--hue));
  --primary: oklch(0.68 0.14 var(--hue));
  --primary-deep: oklch(0.55 0.14 var(--hue));
  --ok: oklch(0.65 0.14 170);
  --danger: oklch(0.62 0.2 25);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;
  background:
    linear-gradient(
      140deg,
      color-mix(in oklab, var(--primary) 28%, transparent),
      transparent 42%
    ),
    linear-gradient(
      210deg,
      color-mix(in oklab, oklch(0.73 0.14 45) 26%, transparent),
      transparent 42%
    ),
    radial-gradient(
      circle at 8% 18%,
      oklch(0.92 0.05 220),
      transparent 33%
    ),
    radial-gradient(
      circle at 88% 6%,
      oklch(0.93 0.06 45),
      transparent 33%
    ),
    linear-gradient(165deg, var(--page-bg), var(--page-bg-deep));
  display: grid;
  place-items: center;
  padding: 18px;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(10, 24, 38, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 24, 38, 0.06) 1px, transparent 1px);
  background-size: 30px 30px;
  opacity: 0.25;
}

.shell {
  position: relative;
  z-index: 1;
  width: min(1280px, 100%);
  border-radius: 20px;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  box-shadow: 0 24px 60px rgba(8, 18, 26, 0.16);
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
}

.intro {
  padding: clamp(22px, 3vw, 32px);
  color: #e8f6ff;
  background:
    radial-gradient(
      circle at 8% 10%,
      color-mix(in oklab, var(--primary) 35%, white),
      transparent 34%
    ),
    radial-gradient(
      circle at 94% 0%,
      oklch(0.82 0.13 45 / 0.48),
      transparent 32%
    ),
    linear-gradient(
      150deg,
      color-mix(in oklab, var(--primary-deep) 92%, black),
      color-mix(in oklab, var(--primary) 78%, black)
    );
  display: grid;
  gap: 14px;
}

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

.mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(189, 226, 248, 0.45);
  background: rgba(255, 255, 255, 0.96);
  object-fit: cover;
}

.logo strong {
  display: block;
  font-size: 17px;
  font-family: "Zen Maru Gothic", "Noto Sans SC", sans-serif;
}

.logo small {
  display: block;
  font-size: 12px;
  opacity: 0.84;
}

.kicker,
.tag {
  margin: 0;
  color: #a9ddf8;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font:
    700 12px/1.1 "Zen Maru Gothic",
    "Noto Sans SC",
    sans-serif;
}

.intro h1 {
  margin: 0;
  font-family: "Zen Maru Gothic", "Noto Sans SC", sans-serif;
  font-size: clamp(32px, 5vw, 46px);
  line-height: 1.08;
}

.intro p {
  margin: 0;
  color: #cae1ef;
  line-height: 1.8;
  font-size: 14px;
}

.tips {
  display: grid;
  gap: 10px;
}

.tip {
  border: 1px solid rgba(189, 226, 248, 0.24);
  border-radius: 12px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.06);
}

.tip b {
  display: block;
  font-size: 14px;
}

.tip span {
  margin-top: 4px;
  display: block;
  color: #bfd8e8;
  font-size: 12px;
  line-height: 1.55;
}

.entry {
  margin-top: 2px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.entry a {
  min-height: 34px;
  border-radius: 999px;
  border: 1px solid rgba(189, 226, 248, 0.3);
  color: #f0f8ff;
  text-decoration: none;
  font-size: 12px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
}

.workspace {
  padding: clamp(18px, 3vw, 28px);
  display: grid;
  gap: 12px;
}

.hero,
.card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
}

.hero {
  padding: 16px 18px;
}

.hero h2 {
  margin: 8px 0 0;
  font-family: "Zen Maru Gothic", "Noto Sans SC", sans-serif;
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.1;
}

.sub {
  margin: 8px 0 0;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.75;
}

.card {
  padding: 14px;
}

h3,
h4 {
  margin: 0;
  font-family: "Zen Maru Gothic", "Noto Sans SC", sans-serif;
}

h3 {
  font-size: 21px;
}

h4 {
  font-size: 18px;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.toolbar-actions {
  display: flex;
  gap: 8px;
}

.tabs {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tab {
  min-height: 38px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
  color: var(--text);
  padding: 0 12px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
}

.tab.active {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(
    135deg,
    color-mix(in oklab, var(--primary) 88%, white),
    color-mix(in oklab, var(--primary-deep) 90%, black)
  );
}

.tab-panel {
  display: none;
  margin-top: 12px;
}

.tab-panel.active {
  display: block;
}

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

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.full-row {
  grid-column: 1 / -1;
}

label {
  display: inline-block;
  margin-bottom: 6px;
  font: 700 12px/1.1 "Zen Maru Gothic", "Noto Sans SC", sans-serif;
  color: var(--text-soft);
}

input,
select,
textarea {
  width: 100%;
  min-height: 42px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
  color: var(--text);
  padding: 0 12px;
  font-size: 14px;
}

textarea {
  min-height: auto;
  padding: 10px 12px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid color-mix(in oklab, var(--primary) 35%, transparent);
}

.actions {
  margin-top: 10px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn {
  min-height: 38px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  padding: 0 14px;
  color: #fff;
  background: linear-gradient(
    135deg,
    color-mix(in oklab, var(--primary) 88%, white),
    color-mix(in oklab, var(--primary-deep) 90%, black)
  );
}

.btn.secondary {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.84);
}

.btn.danger {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(
    135deg,
    color-mix(in oklab, var(--danger) 88%, white),
    color-mix(in oklab, var(--danger) 90%, black)
  );
}

.muted {
  margin: 6px 0 0;
  color: var(--text-soft);
  font-size: 13px;
}

.status {
  margin-top: 10px;
  border: 1px dashed var(--line);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.72);
  padding: 10px 12px;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.65;
}

.table-wrap {
  margin-top: 10px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.86);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 860px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 10px 10px;
  text-align: left;
  font-size: 13px;
  white-space: nowrap;
}

th {
  color: var(--text-soft);
  font-weight: 700;
  background: rgba(255, 255, 255, 0.65);
}

tr:last-child td {
  border-bottom: 0;
}

.mini-select {
  min-height: 32px;
  border-radius: 8px;
  font-size: 12px;
  padding: 0 8px;
}

.mini-btn {
  min-height: 30px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  color: var(--text);
  font-size: 12px;
  padding: 0 10px;
  cursor: pointer;
  margin-right: 6px;
}

.split {
  margin: 14px 0;
  border-top: 1px dashed var(--line);
}

.output {
  margin: 10px 0 0;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.88);
  color: #395167;
  padding: 10px 12px;
  min-height: 80px;
  font-size: 12px;
  line-height: 1.65;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.hidden {
  display: none !important;
}

@media (max-width: 1080px) {
  .shell {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 840px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}