:root {
  --bg: #f7f3ff;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: #ffffff;
  --ink: #241d43;
  --muted: #8d84aa;
  --primary: #7b4dff;
  --pink: #fe77dc;
  --line: rgba(123, 77, 255, 0.14);
  --shadow: 0 24px 70px rgba(72, 45, 150, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background:
    radial-gradient(circle at 12% 8%, rgba(123, 77, 255, 0.20), transparent 28vw),
    radial-gradient(circle at 88% 16%, rgba(254, 119, 220, 0.16), transparent 26vw),
    linear-gradient(180deg, #fbf8ff 0%, var(--bg) 100%);
}

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

button {
  cursor: pointer;
}

.hidden {
  display: none !important;
}

.login-mask {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  background: rgba(20, 10, 46, 0.62);
  backdrop-filter: blur(18px);
}

.login-card {
  width: min(420px, calc(100vw - 32px));
  display: grid;
  gap: 14px;
  padding: 28px;
  border-radius: 28px;
  background: #ffffff;
  box-shadow: 0 30px 100px rgba(36, 29, 67, 0.30);
}

.login-card h2 {
  margin-top: 8px;
}

.login-card p,
.login-error {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.login-error {
  color: #c42f86;
  font-weight: 800;
}

.admin-shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 28px 22px;
  background: rgba(20, 10, 46, 0.96);
  color: #ffffff;
  overflow-y: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 36px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary), var(--pink));
  font-weight: 900;
  font-size: 24px;
  box-shadow: 0 12px 32px rgba(254, 119, 220, 0.26);
}

.brand-title {
  font-size: 18px;
  font-weight: 900;
}

.brand-sub {
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
}

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

.menu-item {
  width: 100%;
  padding: 14px 16px;
  border: 0;
  border-radius: 16px;
  color: rgba(255, 255, 255, 0.72);
  background: transparent;
  text-align: left;
  font-weight: 800;
}

.menu-item:hover,
.menu-item.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
}

.deploy-card {
  margin-top: 34px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.deploy-title {
  font-weight: 900;
}

.deploy-text {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
  line-height: 1.6;
}

code {
  color: #ffffff;
}

.main {
  padding: 34px;
  min-width: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 26px;
}

.eyebrow {
  color: var(--primary);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

h1,
h2 {
  margin: 0;
}

h1 {
  margin-top: 6px;
  font-size: 34px;
  letter-spacing: -0.04em;
}

h2 {
  font-size: 18px;
}

.top-actions,
.toolbar,
.dialog-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.primary-btn,
.outline-btn,
.outline-link {
  min-height: 42px;
  padding: 0 18px;
  border-radius: 14px;
  border: 0;
  font-weight: 900;
}

.primary-btn {
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary), var(--pink));
  box-shadow: 0 12px 30px rgba(123, 77, 255, 0.22);
}

.outline-btn,
.outline-link {
  color: var(--primary);
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--line);
}

.outline-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.page {
  display: none;
}

.page.active {
  display: block;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 20px;
}

.stat-card,
.panel {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.stat-card {
  padding: 22px;
  border-radius: 26px;
}

.stat-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.stat-value {
  margin-top: 10px;
  font-size: 34px;
  font-weight: 950;
  letter-spacing: -0.05em;
}

.stat-sub {
  margin-top: 8px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 800;
}

.two-col {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
}

.panel {
  padding: 22px;
  border-radius: 28px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 18px;
}

.panel-head span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.trend {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 12px;
  align-items: end;
  min-height: 220px;
}

.bar-wrap {
  display: grid;
  gap: 8px;
  justify-items: center;
}

.bar {
  width: 100%;
  min-height: 10px;
  border-radius: 999px 999px 8px 8px;
  background: linear-gradient(180deg, var(--primary), var(--pink));
}

.bar-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

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

.compact-item {
  padding: 14px;
  border-radius: 18px;
  background: rgba(123, 77, 255, 0.07);
}

.compact-title {
  font-weight: 900;
}

.compact-meta {
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
}

.toolbar {
  margin-bottom: 18px;
  padding: 16px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid var(--line);
}

input,
select,
textarea {
  min-height: 42px;
  padding: 0 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.88);
  outline: none;
}

input {
  min-width: 280px;
}

textarea {
  width: 100%;
  min-height: 110px;
  padding: 12px 14px;
  resize: vertical;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 780px;
}

.question-table {
  min-width: 1160px;
}

th,
td {
  padding: 14px 12px;
  border-bottom: 1px solid rgba(123, 77, 255, 0.10);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

td {
  font-size: 14px;
  font-weight: 650;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--primary);
  background: rgba(123, 77, 255, 0.10);
  font-size: 12px;
  font-weight: 900;
}

.badge.pink {
  color: #bd2fa0;
  background: rgba(254, 119, 220, 0.16);
}

.question-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.question-title-cell {
  min-width: 260px;
}

.question-card {
  padding: 18px;
  border-radius: 22px;
  background: rgba(123, 77, 255, 0.06);
  border: 1px solid rgba(123, 77, 255, 0.10);
}

.question-text {
  font-weight: 900;
  line-height: 1.55;
}

.question-id,
.muted {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.question-id {
  margin-top: 8px;
}

.options-cell {
  min-width: 180px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.row-actions {
  min-width: 120px;
  white-space: nowrap;
}

.mini-btn {
  min-height: 30px;
  margin: 0 4px 6px 0;
  padding: 0 10px;
  border: 0;
  border-radius: 10px;
  color: var(--primary);
  background: rgba(123, 77, 255, 0.10);
  font-weight: 900;
}

.mini-btn.danger {
  color: #c42f86;
  background: rgba(254, 119, 220, 0.16);
}

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

dialog {
  width: min(860px, calc(100vw - 32px));
  border: 0;
  border-radius: 28px;
  padding: 0;
  box-shadow: 0 30px 100px rgba(36, 29, 67, 0.30);
}

dialog::backdrop {
  background: rgba(20, 10, 46, 0.50);
}

.dialog-card {
  padding: 24px;
}

.dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.icon-btn {
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  background: rgba(123, 77, 255, 0.10);
  color: var(--primary);
  font-size: 22px;
  font-weight: 900;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

.dialog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.answer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.notice {
  margin: 16px 0;
  padding: 14px;
  border-radius: 16px;
  color: var(--muted);
  background: rgba(123, 77, 255, 0.08);
  font-size: 13px;
  line-height: 1.6;
}

.import-textarea {
  min-height: 260px;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 13px;
}

.empty {
  padding: 28px;
  color: var(--muted);
  text-align: center;
  font-weight: 800;
}

@media (max-width: 1100px) {
  .admin-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: relative;
    height: auto;
  }

  .stats-grid,
  .two-col,
  .question-list {
    grid-template-columns: 1fr;
  }
}