:root {
  --ink: #08265c;
  --ink-soft: #254a7c;
  --muted: #6e829d;
  --blue: #0b3a82;
  --blue-2: #1d63d8;
  --ice: #eaf4ff;
  --cyan: #00a6a6;
  --gold: #f3c66a;
  --line: rgba(124, 166, 220, .38);
  --glass: rgba(255, 255, 255, .68);
  --glass-strong: rgba(255, 255, 255, .86);
  --shadow: 0 22px 54px rgba(6, 45, 105, .18);
  --radius: 24px;
  --tab-h: 78px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: #dfeeff;
}

body {
  margin: 0;
  min-height: 100dvh;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(circle at 76% 8%, rgba(255, 255, 255, .96), transparent 20%),
    radial-gradient(circle at 8% 36%, rgba(111, 184, 255, .48), transparent 23%),
    linear-gradient(160deg, #eff7ff 0%, #d9ecff 44%, #f8fbff 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(140deg, rgba(255,255,255,.62) 0 12%, transparent 12% 100%),
    repeating-linear-gradient(135deg, rgba(11,58,130,.06) 0 1px, transparent 1px 28px);
}

button,
input,
select {
  font: inherit;
}

button {
  white-space: nowrap;
}

.phone-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(180deg, transparent 0 56%, rgba(255,255,255,.76) 84%),
    radial-gradient(circle at 84% 52%, rgba(0,166,166,.16), transparent 20%),
    radial-gradient(circle at 22% 80%, rgba(11,58,130,.13), transparent 26%);
}

.phone-shell {
  position: relative;
  width: min(100vw, 430px);
  min-height: 100dvh;
  margin: 0 auto;
  padding: max(10px, env(safe-area-inset-top)) 12px calc(var(--tab-h) + max(18px, env(safe-area-inset-bottom)));
  overflow-x: hidden;
}

.mobile-topbar {
  position: sticky;
  top: max(10px, env(safe-area-inset-top));
  z-index: 30;
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 10px;
  border: 1px solid rgba(255,255,255,.78);
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.88), rgba(232,244,255,.68)),
    var(--glass);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.92),
    0 14px 36px rgba(5,44,112,.16);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
}

.brand-lockup {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark,
.card-icon,
.tab-icon {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  color: #fff;
  background:
    radial-gradient(circle at 28% 20%, rgba(255,255,255,.7), transparent 28%),
    linear-gradient(135deg, #2bc4ff, #2159f6 56%, var(--blue));
  box-shadow: 0 12px 24px rgba(31,100,242,.28);
  font-size: 18px;
  font-weight: 900;
}

.brand-lockup strong,
.brand-lockup span {
  display: block;
}

.brand-lockup strong {
  color: var(--ink);
  font-size: 15px;
  line-height: 1.15;
}

.brand-lockup span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.account-chip {
  min-height: 38px;
  flex: 0 0 auto;
  border: 1px solid rgba(31,100,242,.2);
  border-radius: 999px;
  padding: 0 14px;
  color: var(--blue);
  background: rgba(255,255,255,.72);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.82);
  font-size: 12px;
  font-weight: 900;
}

.mobile-main {
  display: grid;
  gap: 14px;
  margin-top: 12px;
}

.view {
  display: none;
}

.view.active {
  display: grid;
  gap: 14px;
}

.hero-panel,
.mobile-card,
.preview-card,
.history-view,
.admin-view,
.auth-panel .panel {
  border: 1px solid rgba(255,255,255,.78);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(255,255,255,.9), rgba(232,244,255,.64)),
    var(--glass);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.92),
    var(--shadow);
  backdrop-filter: blur(18px) saturate(148%);
  -webkit-backdrop-filter: blur(18px) saturate(148%);
}

.hero-panel {
  display: grid;
  gap: 12px;
  padding: 16px;
  overflow: hidden;
}

.hero-copy {
  position: relative;
  min-height: 86px;
  padding: 4px 78px 0 0;
}

.hero-copy::after {
  content: "";
  position: absolute;
  right: -12px;
  top: 4px;
  width: 118px;
  height: 94px;
  border-radius: 28px;
  opacity: .74;
  background:
    linear-gradient(180deg, rgba(255,255,255,.55), rgba(66,137,218,.22)),
    repeating-linear-gradient(90deg, transparent 0 14px, rgba(8,64,145,.22) 14px 16px);
  box-shadow: -28px 20px 0 rgba(255,255,255,.28);
}

.eyebrow {
  display: inline-flex;
  min-height: 25px;
  align-items: center;
  padding: 0 10px;
  border: 1px solid rgba(57,135,238,.32);
  border-radius: 999px;
  color: #1456d8;
  background: rgba(237,247,255,.76);
  font-size: 12px;
  font-weight: 900;
}

h1,
h2,
p {
  margin: 0;
}

.hero-copy h1 {
  position: relative;
  z-index: 1;
  margin-top: 9px;
  max-width: 260px;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.12;
}

.hero-copy p,
.section-head p,
.card-title p {
  color: var(--muted);
  line-height: 1.55;
}

.hero-copy p {
  position: relative;
  z-index: 1;
  margin-top: 7px;
  max-width: 286px;
  font-size: 13px;
  font-weight: 700;
}

.preview-card {
  display: grid;
  gap: 10px;
  padding: 10px;
  border-radius: 22px;
}

.preview-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 2px 2px 0;
}

.preview-head span,
.preview-head strong {
  display: block;
}

.preview-head span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
}

.preview-head strong {
  margin-top: 2px;
  color: var(--ink);
  font-size: 15px;
}

.preview-tools {
  display: flex;
  gap: 4px;
  flex: 0 0 auto;
}

.icon-btn,
.tool-btn,
.secondary,
.link-btn,
.mini-download,
.danger-btn {
  border: 1px solid rgba(31,100,242,.22);
  color: var(--blue);
  background: rgba(255,255,255,.76);
  cursor: pointer;
  font-weight: 900;
}

.icon-btn {
  width: 32px;
  height: 32px;
  border-radius: 12px;
  padding: 0;
  font-size: 22px;
  line-height: 1;
}

.tool-btn {
  min-height: 32px;
  border-radius: 12px;
  padding: 0 7px;
  font-size: 11px;
}

.preview-stage {
  min-height: 390px;
  display: grid;
  place-items: center;
  padding: 10px;
  border: 1px solid rgba(124,166,220,.34);
  border-radius: 20px;
  background:
    radial-gradient(circle at 50% 8%, rgba(255,255,255,.8), transparent 36%),
    linear-gradient(180deg, rgba(235,245,255,.72), rgba(255,255,255,.48));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.78);
}

.empty-preview {
  width: 100%;
  display: grid;
  gap: 13px;
  justify-items: center;
  text-align: center;
}

.empty-preview-frame {
  width: min(220px, 68vw);
  aspect-ratio: 4 / 5;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 22px;
  border: 1px solid rgba(124,166,220,.34);
  border-radius: 24px;
  background:
    linear-gradient(145deg, rgba(255,255,255,.88), rgba(232,244,255,.55)),
    rgba(255,255,255,.68);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.92),
    0 24px 54px rgba(5,44,112,.14);
}

.empty-preview-line,
.empty-preview-row,
.empty-preview-block {
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(11,58,130,.1), rgba(0,166,166,.16));
}

.empty-preview-line {
  width: 76%;
  height: 13px;
  margin: 0 auto;
}

.empty-preview-line.strong {
  width: 60%;
  height: 21px;
  margin-top: 6px;
  background: rgba(11,58,130,.18);
}

.empty-preview-block {
  height: 104px;
  margin: 8px 0;
  border-radius: 18px;
  background:
    radial-gradient(circle at 70% 28%, rgba(0,166,166,.18), transparent 36%),
    linear-gradient(145deg, rgba(11,58,130,.12), rgba(255,255,255,.34));
}

.empty-preview-row {
  height: 15px;
}

.empty-preview-row.short {
  width: 68%;
}

.empty-preview-copy {
  display: grid;
  gap: 5px;
}

.empty-preview-copy strong {
  color: var(--ink);
  font-size: 16px;
}

.empty-preview-copy span {
  max-width: 230px;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.55;
}

.primary {
  min-height: 54px;
  border: 1px solid rgba(255,255,255,.55);
  border-radius: 18px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(255,255,255,.2), transparent 38%),
    linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.48),
    0 18px 32px rgba(11,58,130,.25);
  cursor: pointer;
  font-size: 17px;
  font-weight: 900;
}

.primary:disabled,
.secondary:disabled {
  opacity: .52;
  cursor: not-allowed;
  box-shadow: none;
}

.notice {
  padding: 11px 12px;
  border: 1px solid rgba(126,171,224,.4);
  border-radius: 16px;
  color: #2764d6;
  background: rgba(238,247,255,.68);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.55;
}

.ok {
  color: #067647;
  border-color: #abefc6;
  background: rgba(236,253,243,.8);
}

.warn {
  color: #a15c07;
  border-color: #fedf89;
  background: rgba(255,250,235,.82);
}

.bad {
  color: #b42318;
  border-color: #fecdca;
  background: rgba(254,243,242,.84);
}

.input-stack {
  display: grid;
  gap: 12px;
}

.mobile-card {
  display: grid;
  gap: 12px;
  padding: 14px;
}

.card-title {
  display: flex;
  align-items: flex-start;
  gap: 11px;
}

.card-icon {
  width: 42px;
  height: 42px;
  border-radius: 15px;
  color: #fff;
  box-shadow: 0 12px 24px rgba(27,89,174,.16);
  font-weight: 900;
}

.excel-icon {
  background: linear-gradient(135deg, #2fa868, #0f7444);
}

.image-icon {
  background: linear-gradient(135deg, #55b8ff, var(--blue-2));
}

.style-icon {
  background: linear-gradient(135deg, var(--gold), #c27a13);
}

.card-title h2 {
  color: var(--ink);
  font-size: 17px;
  line-height: 1.18;
}

.card-title h2 em {
  display: inline-flex;
  min-height: 20px;
  align-items: center;
  margin-left: 5px;
  padding: 0 7px;
  border: 1px solid rgba(0,166,166,.26);
  border-radius: 999px;
  color: var(--cyan);
  background: rgba(234,244,255,.78);
  font-size: 11px;
  font-style: normal;
  vertical-align: middle;
}

.card-title p {
  margin-top: 4px;
  font-size: 12px;
}

.upload-drop {
  position: relative;
  min-height: 58px;
  display: flex;
  align-items: center;
  padding: 11px 13px;
  border: 1px dashed rgba(31,100,242,.42);
  border-radius: 17px;
  color: var(--ink);
  background: rgba(255,255,255,.64);
  cursor: pointer;
}

.upload-drop input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.legacy-file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.upload-drop b,
.upload-drop small {
  display: block;
}

.upload-drop b {
  font-size: 14px;
}

.upload-drop small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.secondary,
.link-btn,
.danger-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 16px;
  padding: 0 14px;
  font-size: 14px;
  text-decoration: none;
}

.project-textarea {
  width: 100%;
  min-height: 168px;
  resize: vertical;
  border: 1px solid rgba(31,100,242,.28);
  border-radius: 18px;
  padding: 14px;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255,255,255,.78), rgba(246,251,255,.64)),
    rgba(255,255,255,.72);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.84),
    inset 0 -18px 34px rgba(234,244,255,.52);
  outline: none;
  font-size: 14px;
  font-weight: 750;
  line-height: 1.7;
}

.project-textarea::placeholder {
  color: rgba(37,74,124,.56);
  font-weight: 700;
}

.project-textarea:focus {
  border-color: rgba(0,166,166,.62);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.84),
    0 0 0 4px rgba(0,166,166,.12),
    0 14px 30px rgba(5,44,112,.1);
}

.style-lock {
  display: grid;
  gap: 4px;
  padding: 12px 13px;
  border: 1px solid rgba(31,100,242,.16);
  border-radius: 17px;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255,255,255,.8), rgba(246,251,255,.68)),
    rgba(255,255,255,.7);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.9),
    0 12px 24px rgba(5,44,112,.07);
}

.style-lock strong {
  font-size: 15px;
  line-height: 1.2;
}

.style-lock span {
  color: rgba(37,74,124,.62);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.45;
}

.style-preset-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.style-preset-btn {
  min-width: 0;
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(31,100,242,.16);
  border-radius: 15px;
  padding: 7px 9px;
  color: rgba(11,58,130,.78);
  background: rgba(255,255,255,.66);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.82),
    0 8px 18px rgba(5,44,112,.06);
  font-size: 12px;
  font-weight: 900;
  text-align: left;
  cursor: pointer;
}

.style-preset-btn.active {
  border-color: rgba(11,58,130,.42);
  color: var(--ink);
  background: rgba(255,255,255,.9);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.95),
    0 0 0 3px rgba(31,100,242,.1),
    0 12px 24px rgba(5,44,112,.1);
}

.style-preset-btn:focus-visible {
  outline: 3px solid rgba(0,166,166,.24);
  outline-offset: 2px;
}

.style-swatch {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  border: 1px solid rgba(255,255,255,.86);
  border-radius: 50%;
  box-shadow:
    inset 0 1px 2px rgba(255,255,255,.72),
    0 5px 12px rgba(5,44,112,.14);
}

.optional-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 12px;
}

.optional-contact-grid label {
  display: grid;
  gap: 6px;
}

.optional-contact-grid span {
  color: rgba(11,58,130,.72);
  font-size: 12px;
  font-weight: 900;
}

.optional-contact-grid em {
  margin-left: 4px;
  color: rgba(37,74,124,.48);
  font-style: normal;
  font-weight: 800;
}

.optional-contact-grid input {
  width: 100%;
  min-height: 44px;
  border: 1px solid rgba(31,100,242,.22);
  border-radius: 15px;
  padding: 0 13px;
  color: var(--ink);
  background: rgba(255,255,255,.7);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.82);
  outline: none;
  font-size: 14px;
  font-weight: 800;
}

.optional-contact-grid input::placeholder {
  color: rgba(37,74,124,.46);
}

.optional-contact-grid input:focus {
  border-color: rgba(0,166,166,.58);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.82),
    0 0 0 4px rgba(0,166,166,.1);
}

.table-empty {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.data-table th,
.data-table td {
  padding: 8px 6px;
  border-bottom: 1px solid rgba(124,166,220,.28);
  text-align: left;
  vertical-align: top;
}

.data-table th:nth-child(1),
.data-table td:nth-child(1),
.data-table th:nth-child(5),
.data-table td:nth-child(5) {
  display: none;
}

.text-summary {
  display: grid;
  gap: 12px;
}

.text-summary > div:first-child span,
.text-summary > div:first-child strong {
  display: block;
}

.text-summary > div:first-child span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.text-summary > div:first-child strong {
  margin-top: 4px;
  color: var(--ink);
  font-size: 17px;
  line-height: 1.25;
}

.text-summary dl {
  display: grid;
  gap: 8px;
  margin: 0;
}

.text-summary dl div {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 8px;
  padding: 9px 10px;
  border: 1px solid rgba(124,166,220,.28);
  border-radius: 14px;
  background: rgba(255,255,255,.52);
}

.text-summary dt,
.text-summary dd {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
}

.text-summary dt {
  color: var(--blue);
  font-weight: 900;
}

.text-summary dd {
  color: var(--ink-soft);
  font-weight: 800;
}

.raw-summary {
  margin: 0;
  padding: 10px 12px;
  border: 1px solid rgba(124,166,220,.28);
  border-radius: 14px;
  background: rgba(255,255,255,.52);
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.6;
}

.examples-section {
  display: grid;
  gap: 10px;
  padding: 2px 0 4px;
}

.examples-section[hidden],
.nav-btn[hidden] {
  display: none;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px;
  padding: 0 4px;
}

.section-head h1,
.section-head h2 {
  margin-top: 8px;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.1;
}

.section-head p {
  margin-top: 6px;
  font-size: 13px;
}

.example-strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 122px;
  gap: 10px;
  overflow-x: auto;
  padding: 2px 4px 10px;
  scroll-snap-type: x mandatory;
}

.example-card {
  scroll-snap-align: start;
  overflow: hidden;
  border: 1px solid rgba(124,166,220,.36);
  border-radius: 18px;
  background: rgba(255,255,255,.72);
  box-shadow: 0 14px 30px rgba(5,44,112,.12);
}

.example-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.example-card strong {
  display: block;
  padding: 8px 9px 10px;
  color: var(--ink);
  font-size: 12px;
  line-height: 1.3;
}

.card-thumb {
  width: min(255px, 78vw);
  overflow: hidden;
  border-radius: 20px;
  background: rgba(255,255,255,.78);
  box-shadow: 0 24px 54px rgba(5,44,112,.22);
}

.card-thumb img {
  display: block;
  width: 100%;
  max-height: 330px;
  object-fit: contain;
}

.card-thumb-body {
  padding: 10px 11px;
}

.card-thumb-title {
  color: var(--ink);
  font-size: 14px;
  font-weight: 900;
}

.trace {
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
  word-break: break-all;
}

.preview-strip {
  display: flex;
  gap: 8px;
  max-width: 100%;
  overflow-x: auto;
  padding: 4px;
}

.preview-strip img {
  width: 48px;
  height: 66px;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,.88);
  border-radius: 10px;
}

.progress-state {
  display: grid;
  gap: 8px;
  justify-items: center;
  color: var(--blue);
  font-weight: 900;
  text-align: center;
}

.progress-spinner {
  width: 34px;
  height: 34px;
  border: 3px solid rgba(31,100,242,.14);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin .9s linear infinite;
}

.progress-state strong {
  font-size: 18px;
}

.progress-state span {
  max-width: 220px;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.5;
}

.failure-preview strong {
  color: var(--ink);
}

.failure-preview span {
  max-width: 260px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.55;
  text-align: center;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.history-view,
.admin-view {
  padding: 16px;
}

.gallery-grid {
  display: grid;
  gap: 12px;
}

.gallery-card,
.history-item {
  overflow: hidden;
  border: 1px solid rgba(124,166,220,.36);
  border-radius: 20px;
  background: rgba(255,255,255,.74);
  box-shadow: 0 14px 32px rgba(5,44,112,.12);
}

.gallery-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.gallery-card div,
.history-item {
  padding: 12px;
}

.gallery-card div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.gallery-card strong,
.gallery-card em {
  display: block;
  font-style: normal;
}

.gallery-card strong,
.history-item strong {
  color: var(--ink);
  font-weight: 900;
}

.gallery-card em,
.history-meta {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.mini-download {
  min-height: 32px;
  border-radius: 999px;
  padding: 0 10px;
  font-size: 12px;
}

.auth-panel {
  display: none;
}

.auth-panel:not(:empty) {
  display: grid;
  gap: 10px;
}

.auth-panel .panel {
  padding: 13px;
}

.panel-head,
.stack,
.mini-grid,
.admin-grid {
  display: grid;
  gap: 10px;
}

.panel-head h1,
.panel-head h2 {
  color: var(--ink);
  font-size: 18px;
}

.panel-head p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.row-between,
.action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.field {
  display: grid;
  gap: 6px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 900;
}

.field input,
.field select,
.action-row input {
  min-height: 42px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 8px 10px;
  color: var(--ink);
  background: rgba(255,255,255,.74);
}

.danger-btn {
  color: #fff;
  border-color: #b42318;
  background: #b42318;
}

.bottom-tabs {
  position: fixed;
  left: 50%;
  bottom: max(10px, env(safe-area-inset-bottom));
  z-index: 40;
  width: min(calc(100vw - 18px), 406px);
  min-height: 66px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  padding: 7px;
  border: 1px solid rgba(255,255,255,.78);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.9), rgba(232,244,255,.7)),
    var(--glass);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.92),
    0 18px 42px rgba(5,44,112,.2);
  transform: translateX(-50%);
  backdrop-filter: blur(22px) saturate(165%);
  -webkit-backdrop-filter: blur(22px) saturate(165%);
}

.bottom-tabs.compact-tabs {
  grid-template-columns: repeat(2, 1fr);
}

.nav-btn {
  min-width: 0;
  min-height: 52px;
  display: grid;
  place-items: center;
  gap: 3px;
  border: 0;
  border-radius: 18px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-size: 11px;
  font-weight: 900;
}

@media (max-width: 390px) {
  .phone-shell {
    padding-inline: 8px;
  }

  .preview-tools {
    gap: 3px;
  }

  .icon-btn {
    width: 30px;
    height: 30px;
  }

  .tool-btn {
    min-height: 30px;
    padding: 0 6px;
  }

  .preview-stage {
    min-height: 360px;
  }
}

.nav-btn.active {
  color: var(--blue);
  background: rgba(255,255,255,.78);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.86), 0 8px 20px rgba(31,100,242,.12);
}

.tab-icon {
  width: 22px;
  height: 22px;
  border-radius: 8px;
  border: 2px solid currentColor;
  opacity: .94;
}

.work-icon {
  background: linear-gradient(180deg, currentColor 0 32%, transparent 32%);
}

.history-icon {
  background:
    linear-gradient(180deg, currentColor 0 2px, transparent 2px 9px, currentColor 9px 11px, transparent 11px 100%);
}

.sample-icon {
  border-radius: 50%;
  background: radial-gradient(circle, currentColor 0 20%, transparent 21% 100%);
}

button:active,
.upload-drop:active,
.style-lock:active {
  transform: translateY(1px);
}