:root {
  --bg: #f3f7fb;
  --bg-soft: #fbfdfd;
  --card: rgba(255, 255, 255, 0.96);
  --card-strong: #ffffff;
  --text: #12202b;
  --muted: #6f7e8f;
  --line: #dfe6ef;
  --line-strong: #ced9e8;
  --accent: #1e88e5;
  --accent-dark: #1565c0;
  --accent-deep: #0d47a1;
  --accent-soft: #e3f2fd;
  --blue-soft: #e8f1ff;
  --violet-soft: #efe8ff;
  --shadow: 0 18px 45px rgba(17, 40, 70, 0.08);
  --shadow-soft: 0 12px 32px rgba(17, 40, 70, 0.06);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --container: 1260px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  font-family: PingFang SC, Microsoft YaHei, Segoe UI, system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(30, 136, 229, 0.1), transparent 30%),
    linear-gradient(180deg, #f5f9fc, #eef4fa);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  border: 0;
  background: none;
}

input,
select,
textarea,
button {
  font-family: PingFang SC, Microsoft YaHei, Segoe UI, system-ui, sans-serif;
}

input,
textarea {
  font-variant-numeric: tabular-nums;
}

.container {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.page-shell {
  padding-bottom: 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
}

.site-banner {
  background: linear-gradient(90deg, #1e88e5, #1565c0);
  box-shadow: 0 14px 40px rgba(13, 71, 161, 0.18);
}

.site-nav-shell {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: center;
  gap: 20px;
  min-height: 60px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  white-space: nowrap;
}

.brand-mark-icon {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 2px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  overflow: hidden;
  background: #fff;
}

.brand-mark-icon img {
  display: block;
  width: 22px;
  height: 22px;
  object-fit: contain;
}

.brand-mark-text {
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  min-width: 0;
}

.site-nav-link {
  padding: 9px 16px;
  border-radius: 10px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.88rem;
  font-weight: 600;
  transition: background-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.site-nav-link:hover,
.site-nav-link-active {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  transform: translateY(-1px);
}

.site-nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-self: end;
}

.site-nav-action {
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.86rem;
  font-weight: 600;
}

.site-nav-action-favorite {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.site-nav-action-tools {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(187, 222, 251, 0.28), rgba(144, 202, 249, 0.18));
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.34);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22);
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.site-nav-action-tools:hover {
  transform: translateY(-1px);
  background: linear-gradient(180deg, rgba(227, 242, 253, 0.34), rgba(187, 222, 251, 0.24));
  border-color: rgba(255, 255, 255, 0.48);
  color: #fff;
}

.site-nav-action-icon {
  font-size: 0.82rem;
  line-height: 1;
  transform: translateY(-1px);
}

.site-nav-action-icon-tools {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transform: none;
}

.site-nav-action-icon-tools svg {
  display: block;
  width: 14px;
  height: 14px;
}

/* Hero */
.hero-section {
  padding: 12px 0 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, 0.92fr);
  gap: 12px;
  align-items: stretch;
}

.hero-card,
.workspace-card,
.batch-card,
.feature-link-card,
.info-card {
  border: 1px solid rgba(214, 224, 236, 0.94);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero-intro {
  display: grid;
  grid-template-columns: 132px 1fr;
  align-items: center;
  gap: 16px;
  min-height: 146px;
  padding: 12px 14px;
  background:
    radial-gradient(circle at 18% 22%, rgba(30, 136, 229, 0.15), transparent 42%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(246, 250, 254, 0.92));
}

.hero-illustration {
  position: relative;
  display: grid;
  place-items: center;
  height: 94px;
}

.hero-logo {
  position: relative;
  z-index: 2;
  width: 72px;
  height: 72px;
  object-fit: contain;
  filter: drop-shadow(0 12px 28px rgba(30, 136, 229, 0.24));
}

.clock-plate {
  position: absolute;
  bottom: 12px;
  width: 84px;
  height: 16px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(100, 181, 246, 0.4), rgba(30, 136, 229, 0.12));
  filter: blur(0.4px);
}

.clock-orbit {
  position: absolute;
  border-radius: 50%;
  background: rgba(94, 155, 255, 0.25);
}

.clock-orbit-a {
  top: 12px;
  left: 8px;
  width: 8px;
  height: 8px;
}

.clock-orbit-b {
  right: 10px;
  bottom: 32px;
  width: 8px;
  height: 8px;
  background: rgba(66, 165, 245, 0.35);
}

.hero-copy h1 {
  margin: 0 0 8px;
  font-size: clamp(1.28rem, 1.82vw, 1.92rem);
  line-height: 1.14;
  letter-spacing: 0.02em;
}

.hero-copy p {
  margin: 0;
  color: #7a8795;
  font-size: 0.72rem;
  line-height: 1.55;
}

/* Status panel */
.status-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 1px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-height: 146px;
  padding: 10px 14px;
}

.status-divider {
  width: 1px;
  height: 100%;
  background: linear-gradient(180deg, transparent, rgba(187, 200, 214, 0.9), transparent);
}

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

.status-tile-icon {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(180deg, #edf5fd, #dfeefb);
  color: var(--accent);
  font-weight: 700;
  box-shadow: inset 0 0 0 1px rgba(30, 136, 229, 0.14);
  overflow: hidden;
}

.status-tile-icon img {
  display: block;
  width: 20px;
  height: 20px;
  object-fit: contain;
}

.status-tile-icon-code::before,
.status-tile-icon-code::after {
  content: "";
  position: absolute;
}

.status-tile-icon-code::before {
  left: 9px;
  top: 11px;
  width: 7px;
  height: 7px;
  border-left: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
}

.status-tile-icon-code::after {
  right: 9px;
  top: 11px;
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-top: 2px solid currentColor;
  transform: rotate(45deg);
}

.status-tile-label,
.status-tile-meta,
.field-group span,
.input-note,
.feature-link-card p,
.info-card p,
.footer-copy {
  margin: 0;
  color: var(--muted);
}

.status-tile-label {
  margin-bottom: 4px;
  font-size: 0.68rem;
}

.status-tile-value {
  display: block;
  margin-bottom: 4px;
  color: var(--accent);
  font-size: clamp(0.86rem, 1.16vw, 1.12rem);
  line-height: 1.15;
  letter-spacing: 0.02em;
}

.status-tile-meta {
  font-size: 0.66rem;
}

.status-footer {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: center;
  gap: 8px;
  padding-top: 6px;
  border-top: 1px solid rgba(220, 230, 240, 0.96);
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-deep);
  font-size: 0.68rem;
  font-weight: 600;
}

.status-indicator-paused {
  color: var(--muted);
}

.status-indicator-paused .pulse-dot {
  background: #b5c3d1;
}

.status-indicator-paused .pulse-dot::after {
  border-color: rgba(181, 195, 209, 0.18);
}

.pulse-dot {
  position: relative;
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.pulse-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border: 2px solid rgba(30, 136, 229, 0.22);
  border-radius: 50%;
  animation: pulse-ring 1.7s ease-out infinite;
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.75);
    opacity: 0.8;
  }
  70% {
    transform: scale(1.25);
    opacity: 0;
  }
  100% {
    transform: scale(1.25);
    opacity: 0;
  }
}

.status-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  min-height: 26px;
  padding: 0 9px;
  border-radius: 999px;
  background: rgba(30, 136, 229, 0.08);
  color: var(--accent-dark);
  font-weight: 700;
  cursor: pointer;
  font-size: 0.68rem;
}

.status-zone {
  justify-self: end;
  color: var(--muted);
  font-size: 0.66rem;
  text-align: right;
}

/* Workspace */
.workspace-section,
.section-block {
  padding-top: 14px;
}

.workspace-card {
  padding: 0 14px 14px;
}

.workspace-tabs {
  display: flex;
  gap: 18px;
  padding: 6px 4px 0;
  border-bottom: 1px solid rgba(226, 234, 242, 0.9);
}

.workspace-tab {
  position: relative;
  padding: 8px 4px 10px;
  color: #8a97a6;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
}

.workspace-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.workspace-title-icon {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.workspace-title-icon svg {
  display: block;
  width: 18px;
  height: 18px;
}

.workspace-tab-active {
  color: var(--accent);
}

.workspace-tab-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
}

.converter-panels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
}

.converter-panel {
  padding: 12px 12px 6px;
}

.converter-panel + .converter-panel {
  border-left: 1px solid rgba(228, 236, 244, 0.92);
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.panel-icon {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #edf5fd;
  color: #1e88e5;
  font-weight: 600;
}

.panel-icon svg {
  display: block;
  width: 14px;
  height: 14px;
}

.panel-header h2,
.batch-header h2,
.info-card-head h2 {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 650;
}

.panel-form {
  display: grid;
  gap: 8px;
}

.field-group {
  display: grid;
  gap: 6px;
}

.field-group span {
  font-size: 0.7rem;
}

.field-group input,
.field-group select,
.field-group textarea {
  width: 100%;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--card-strong);
  color: var(--text);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0;
  outline: 0;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.field-group textarea {
  min-height: 96px;
  padding: 8px 10px;
  resize: vertical;
  line-height: 1.6;
}

.field-static {
  display: inline-flex;
  align-items: center;
  width: 100%;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid #dee8f2;
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, #fbfcfe, #f5f9fc);
  color: #506070;
  font-size: 0.76rem;
  font-weight: 500;
}

.field-group input:focus,
.field-group select:focus,
.field-group textarea:focus {
  border-color: rgba(30, 136, 229, 0.45);
  box-shadow: 0 0 0 4px rgba(30, 136, 229, 0.08);
}

.offset-row {
  display: grid;
  grid-template-columns: 0.8fr 1fr 1fr;
  gap: 8px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  cursor: pointer;
  font-size: 0.74rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.button:hover,
.copy-button:hover,
.feature-link-card:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(180deg, #2196f3, #1565c0);
  color: #fff;
  box-shadow: 0 16px 30px rgba(30, 136, 229, 0.18);
}

.button-block {
  width: 100%;
}

.result-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: 74px;
  width: 100%;
  margin: 0;
  padding: 8px 74px 10px 12px;
  border: 1px solid #d7e4f0;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #fbfdff, #f4f8fc);
}

.result-head,
.batch-table-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.result-head {
  margin-bottom: 4px;
}

.batch-table-head {
  flex-shrink: 0;
  margin-bottom: 8px;
}

.result-head span,
.batch-table-head span {
  color: var(--accent-dark);
  font-size: 0.7rem;
  font-weight: 700;
}

.result-value {
  display: block;
  color: var(--accent);
  font-size: clamp(0.88rem, 1.15vw, 1.12rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.result-value-error {
  color: #d15757;
  font-size: clamp(0.78rem, 1vw, 0.92rem);
  font-weight: 600;
}

.result-note {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.66rem;
}

.result-note-error {
  color: #d15757;
}

.status-copyable {
  cursor: pointer;
  transition: opacity 0.18s ease;
}

.status-copyable:hover {
  opacity: 0.82;
}

.status-copyable:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.copy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  min-height: 24px;
  padding: 0 8px;
  border: 1px solid #cfe0f0;
  border-radius: 10px;
  background: #fff;
  color: var(--accent-dark);
  font-weight: 700;
  font-size: 0.7rem;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.result-card .copy-button {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
}

.copy-button:hover {
  border-color: rgba(30, 136, 229, 0.45);
}

.result-card .copy-button:hover {
  transform: translateY(-50%) translateY(-1px);
}

/* Batch */
.batch-card {
  padding: 14px 16px 16px;
}

.date-card {
  padding: 0 16px 16px;
  border: 1px solid rgba(214, 224, 236, 0.94);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.date-title-strip {
  display: flex;
  align-items: flex-end;
  width: 100%;
  padding: 6px 4px 0;
  margin-bottom: 12px;
  border-bottom: 1px solid rgba(226, 234, 242, 0.9);
}

.date-card-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(300px, 0.68fr);
  gap: 18px;
  align-items: start;
}

.date-card-panel {
  display: grid;
  gap: 10px;
}

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

.date-meta-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 182px;
  gap: 10px;
  align-items: end;
}

.date-calc-button {
  width: 100%;
  min-width: 0;
}

.date-summary-card {
  display: grid;
  align-content: start;
  gap: 10px;
  min-height: 140px;
  padding: 18px 18px 16px;
  border: 1px solid #d7e4f0;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #fbfdff, #f4f8fc);
}

.date-summary-label {
  color: var(--muted);
  font-size: 0.74rem;
}

.date-summary-value {
  color: var(--accent);
  font-size: clamp(1.6rem, 2vw, 2rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.date-summary-value-error {
  color: #d15757;
  font-size: 1rem;
}

.date-summary-subtext {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.date-summary-subtext strong {
  color: var(--text);
  font-weight: 700;
}

.date-helper-text {
  margin: 0;
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.45;
}

.batch-header {
  display: block;
  margin-bottom: 12px;
}

.batch-title-strip {
  display: flex;
  align-items: flex-end;
  width: 100%;
  padding: 6px 4px 0;
  border-bottom: 1px solid rgba(226, 234, 242, 0.9);
}

.batch-title-strip .workspace-tab {
  width: fit-content;
}

.batch-title-strip .workspace-tab-active::after {
  left: 0;
  right: 0;
}

.batch-inline-note {
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.4;
}

.batch-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1.72fr);
  gap: 14px;
  align-items: center;
}

.batch-input-card,
.batch-table-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  padding: 0;
  background: transparent;
}

.batch-input-card .field-group {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 6px;
  min-height: 0;
  margin-bottom: 0;
}

.batch-input-card textarea {
  flex: 1;
  min-height: 132px;
  resize: none;
}

.batch-input-card .input-note {
  flex-shrink: 0;
  margin-top: 10px;
  margin-bottom: 0;
}

.batch-table-card {
  overflow: hidden;
}

.batch-arrow {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  margin-top: 0;
  align-self: center;
  border-radius: 50%;
  background: linear-gradient(180deg, #e3f2fd, #d6ebfa);
  color: var(--accent);
  font-size: 0.96rem;
  font-weight: 700;
}

.input-note {
  margin-top: 10px;
  font-size: 0.7rem;
}

.batch-table-wrap {
  flex: 1;
  min-height: 0;
  overflow: auto;
  border: 1px solid #e9eef5;
  border-radius: 10px;
  background: #fff;
}

.batch-table {
  width: 100%;
  border-collapse: collapse;
}

.batch-table th,
.batch-table td {
  padding: 10px 12px;
  border-bottom: 1px solid #e9eef5;
  text-align: left;
  font-size: 0.74rem;
}

.batch-table th {
  color: #5c6976;
  background: #f9fbfd;
  font-weight: 700;
}

.batch-table td {
  color: var(--text);
}

.batch-empty {
  color: var(--muted);
  text-align: center;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  background: #edf5fd;
  color: var(--accent-dark);
  font-size: 0.68rem;
  font-weight: 700;
}

.status-pill-error {
  background: #fff1f1;
  color: #d15757;
}

/* Feature links */
.feature-link-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-link-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 14px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.feature-link-icon {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(180deg, #42a5f5, #1e88e5);
  color: #fff;
  font-size: 1.06rem;
  font-weight: 700;
}

.feature-link-icon svg {
  display: block;
  width: 16px;
  height: 16px;
}

.feature-link-icon-blue {
  background: linear-gradient(180deg, #5c6bc0, #3949ab);
}

.feature-link-icon-violet {
  background: linear-gradient(180deg, #8a6af4, #7054db);
}

.feature-link-card strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.86rem;
}

.feature-link-card p {
  font-size: 0.72rem;
}

.feature-link-arrow {
  color: #90a0ae;
  font-size: 1.15rem;
}

/* Info cards */
.info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.info-card {
  padding: 14px;
}

.info-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.info-card-icon {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #edf5fd;
  color: var(--accent);
  font-weight: 700;
}

.info-card-icon-warm {
  background: #fff7df;
  color: #d89b00;
}

.info-card-icon-violet {
  background: #f1ebff;
  color: #7d56df;
}

.info-card p {
  line-height: 1.7;
  font-size: 0.72rem;
}

.text-link {
  color: var(--accent-dark);
  font-weight: 700;
  font-size: 0.72rem;
  border: 0;
  background: none;
  padding: 0;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
}

.text-link:hover {
  text-decoration: underline;
}

.faq-list {
  margin: 0 0 14px;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.72rem;
}

.faq-list-preview {
  margin-bottom: 10px;
}

/* Footer */
.site-footer {
  padding: 12px 0 18px;
}

.footer-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 8px;
  border-top: 1px solid rgba(214, 224, 236, 0.92);
  font-size: 0.68rem;
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-copy,
.footer-link {
  font-size: inherit;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-link {
  color: #627180;
  border: 0;
  background: none;
  padding: 0;
  cursor: pointer;
  font-family: inherit;
  line-height: inherit;
}

.footer-link:hover {
  color: var(--accent-dark);
}

.footer-record {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Modal */
.modal-root {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  padding: 20px;
}

.modal-root[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(18, 32, 43, 0.45);
  backdrop-filter: blur(4px);
}

.modal-dialog {
  position: relative;
  width: min(640px, 100%);
  max-height: min(82vh, 720px);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(214, 224, 236, 0.94);
  border-radius: var(--radius-lg);
  background: var(--card-strong);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(226, 234, 242, 0.9);
  background: linear-gradient(180deg, #fbfdff, #f5f9fc);
}

.modal-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.modal-close {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 8px;
  background: rgba(30, 136, 229, 0.08);
  color: var(--accent-dark);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.18s ease;
}

.modal-close:hover {
  background: rgba(30, 136, 229, 0.14);
}

.modal-body {
  padding: 18px 20px 22px;
  overflow-y: auto;
  color: var(--text);
  font-size: 0.8rem;
  line-height: 1.85;
}

.modal-body h3 {
  margin: 18px 0 8px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
}

.modal-body h3:first-child {
  margin-top: 0;
}

.modal-body p {
  margin: 0 0 10px;
  color: var(--muted);
}

.modal-body ul {
  margin: 0 0 10px;
  padding-left: 18px;
  color: var(--muted);
}

.modal-body li + li {
  margin-top: 6px;
}

.modal-body code {
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.76rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.modal-body .text-link {
  font-size: inherit;
}

body.modal-open {
  overflow: hidden;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: #fff;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 0.875rem;
  z-index: 200;
  animation: toast-in 0.3s ease;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* Responsive */
@media (max-width: 1180px) {
  .hero-grid,
  .info-grid,
  .feature-link-grid,
  .status-panel {
    grid-template-columns: 1fr;
  }

  .status-divider {
    display: none;
  }

  .status-footer {
    grid-template-columns: 1fr;
  }

  .status-zone {
    justify-self: start;
    text-align: left;
  }

  .converter-panels,
  .batch-grid {
    grid-template-columns: 1fr;
  }

  .converter-panel + .converter-panel {
    border-left: 0;
    border-top: 1px solid rgba(220, 230, 240, 0.98);
  }

  .batch-arrow {
    display: none;
  }
}

@media (max-width: 980px) {
  .date-card-grid,
  .date-meta-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 940px) {
  .site-header {
    position: static;
  }

  .site-nav-shell {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 14px;
    padding: 18px 0;
  }

  .site-nav {
    flex-wrap: wrap;
  }

  .site-nav-actions {
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero-intro {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .batch-header,
  .footer-shell,
  .footer-meta,
  .footer-links,
  .footer-record {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 22px), var(--container));
  }

  .hero-copy h1 {
    font-size: 2rem;
  }

  .hero-copy p {
    font-size: 1rem;
  }

  .status-tile {
    align-items: flex-start;
  }

  .status-tile-value,
  .result-value {
    font-size: 1.45rem;
  }

  .workspace-card,
  .batch-card,
  .info-card,
  .feature-link-card {
    padding-left: 16px;
    padding-right: 16px;
  }

  .workspace-card {
    padding-top: 0;
  }

  .workspace-tabs {
    gap: 18px;
  }

  .offset-row {
    grid-template-columns: 1fr;
  }

  .date-input-grid {
    grid-template-columns: 1fr;
  }

  .feature-link-card {
    grid-template-columns: auto 1fr;
  }

  .feature-link-arrow {
    display: none;
  }
}