:root {
  color-scheme: dark;
  --bg: #050505;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-strong: rgba(255, 255, 255, 0.08);
  --line: rgba(255, 255, 255, 0.14);
  --line-strong: rgba(255, 255, 255, 0.24);
  --text: #f5f5f5;
  --muted: rgba(255, 255, 255, 0.62);
  --danger: #ff5b5b;
  --ok: #99f0a8;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
  --radius: 24px;
  --radius-sm: 18px;
  --safe-top: max(20px, env(safe-area-inset-top));
  --safe-bottom: max(20px, env(safe-area-inset-bottom));
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  min-height: 100vh;
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease, opacity 160ms ease;
}

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

button:active {
  transform: translateY(0);
}

button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  transform: none;
}

button:disabled:hover {
  transform: none;
}

.shell {
  width: min(1180px, calc(100vw - 28px));
  margin: 0 auto;
  padding: var(--safe-top) 0 var(--safe-bottom);
}

.hero {
  display: grid;
  gap: 20px;
  margin-bottom: 24px;
}

.hero-card,
.panel,
.phone,
.vault-item,
.guide-card,
.status-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero-card {
  padding: 28px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: white;
}

.hero h1,
.app-header h1 {
  margin: 14px 0 12px;
  font-size: clamp(32px, 5vw, 64px);
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.muted,
.hint,
.small {
  color: var(--muted);
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr);
  gap: 20px;
}

.panel {
  padding: 22px;
}

.panel h2,
.panel h3,
.guide-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.grid {
  display: grid;
  gap: 16px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

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

.input,
.textarea,
.upload {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border-radius: 18px;
  padding: 14px 16px;
  outline: none;
}

.input:focus,
.textarea:focus,
.upload:focus {
  border-color: var(--line-strong);
}

.textarea {
  min-height: 90px;
  resize: vertical;
}

.row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn,
.btn-ghost,
.btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
}

.btn {
  background: white;
  color: black;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border-color: rgba(255, 91, 91, 0.24);
}

.svg-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
}

.phone {
  position: sticky;
  top: calc(var(--safe-top) + 12px);
  padding: 14px;
}

.phone-frame {
  position: relative;
  overflow: hidden;
  border-radius: 36px;
  border: 1px solid var(--line-strong);
  background: #000;
  aspect-ratio: 9 / 19.5;
}

.phone-notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 34%;
  height: 28px;
  border-radius: 999px;
  background: #000;
  z-index: 3;
}

.phone-screen {
  position: absolute;
  inset: 0;
  display: grid;
  background: radial-gradient(circle at top, rgba(255,255,255,0.12), transparent 24%), #080808;
}

.preview-header {
  padding: 42px 18px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: rgba(255, 255, 255, 0.84);
  font-size: 12px;
}

.preview-body {
  padding: 18px;
  display: grid;
  align-content: start;
  gap: 16px;
}

.preview-card {
  padding: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 24px;
}

.icon-preview,
.icon-tile {
  width: 78px;
  height: 78px;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
  display: grid;
  place-items: center;
}

.icon-preview img,
.icon-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.stat-list,
.guide-list,
.inline-list,
.vault-list {
  display: grid;
  gap: 12px;
}

.inline-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
}

.status-card {
  padding: 16px;
}

.ok {
  color: var(--ok);
}

.warn {
  color: #f7db7b;
}

.danger {
  color: var(--danger);
}

.vault-item {
  padding: 16px;
  display: grid;
  gap: 14px;
}

.vault-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.progress {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
}

.progress > span {
  display: block;
  height: 100%;
  background: white;
}

.app-shell {
  min-height: 100vh;
  padding: var(--safe-top) 0 var(--safe-bottom);
}

.app-header {
  width: min(1280px, calc(100vw - 20px));
  margin: 0 auto 14px;
  padding: 18px;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(18px);
}

.app-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.viewer-wrap {
  width: min(1280px, calc(100vw - 20px));
  margin: 0 auto;
  height: calc(100vh - var(--safe-top) - var(--safe-bottom) - 150px);
  min-height: 520px;
  border-radius: 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #000;
}

.viewer-frame,
.viewer-blocked {
  width: 100%;
  height: 100%;
}

.viewer-frame {
  border: 0;
  background: white;
}

.viewer-blocked {
  display: grid;
  place-items: center;
  padding: 24px;
}

.blocked-card {
  max-width: 680px;
  padding: 26px;
  border-radius: 30px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.footnote {
  margin-top: 22px;
  font-size: 12px;
  color: var(--muted);
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .phone {
    position: static;
  }

  .grid.two,
  .inline-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100vw - 16px, 1180px);
  }

  .hero-card,
  .panel {
    padding: 18px;
  }

  .viewer-wrap,
  .app-header {
    width: calc(100vw - 12px);
  }

  .viewer-wrap {
    height: calc(100vh - var(--safe-top) - var(--safe-bottom) - 188px);
  }
}