* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --ink:#111;
  --paper:#fff;
  --bg:#f6f6f6;
  --bg2:#eef2ff;
  --border: 3px solid var(--ink);
  --radius: 12px;
  --shadow: 6px 6px 0 var(--ink);
  --shadow-sm: 4px 4px 0 var(--ink);
  --primary:#34d399;
  --secondary:#60a5fa;
  --danger:#fb7185;
  --ghost:#fde047;
  --accent:#a78bfa;
}

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px) 0 0/22px 22px, linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px) 0 0/22px 22px, radial-gradient(circle at 15% 10%, var(--bg2), transparent 45%), var(--bg);
  padding: 18px;
}

.app {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.hero {
  border: var(--border);
  background: var(--paper);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 14px;
}

.badge {
  display: inline-flex;
  border: var(--border);
  background: var(--ghost);
  box-shadow: var(--shadow-sm);
  border-radius: 999px;
  padding: 6px 10px;
  font-weight: 1000;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
  margin-bottom: 10px;
}

.hero h1 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 6px;
}

.subtitle {
  opacity: 0.8;
  margin-bottom: 12px;
  max-width: 90ch;
}

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

.grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.panel {
  border: var(--border);
  background: var(--paper);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  overflow: hidden;
}

.panel-big {
  padding: 14px;
}

.panel-side {
  padding: 14px;
}

.panel-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  font-weight: 1000;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 12px;
  padding: 6px 0 10px;
  border-bottom: 2px dashed var(--ink);
  margin-bottom: 10px;
}

.muted {
  opacity: 0.75;
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0;
}

.code-editor {
  width: 100%;
  min-height: 360px;
  max-height: 65vh;
  resize: vertical;
  padding: 12px;
  border: var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 10px;
}

.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.output {
  border: var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  background: #fafafa;
  padding: 12px;
  min-height: 220px;
  max-height: 50vh;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 13px;
}

.file-actions {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
}

.file-list {
  border: var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  overflow: auto;
  max-height: 48vh;
  background: #fafafa;
}

.file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 10px;
  border-bottom: 2px dashed rgba(17, 17, 17, 0.25);
}

.file-item:last-child {
  border-bottom: none;
}

.file-name {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-weight: 900;
}

.file-meta {
  opacity: 0.75;
  font-size: 12px;
  font-weight: 800;
}

.file-pill {
  border: 2px solid var(--ink);
  border-radius: 999px;
  padding: 2px 8px;
  background: var(--ghost);
  font-size: 11px;
  font-weight: 1000;
  box-shadow: 2px 2px 0 var(--ink);
}

.quick-install {
  display: grid;
  gap: 10px;
}

.text-input {
  width: 100%;
  border: var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  padding: 10px 12px;
  font-weight: 700;
}

.hint {
  font-size: 12px;
  opacity: 0.8;
}

.divider {
  height: 10px;
  margin: 12px 0;
  border-top: 2px dashed rgba(17, 17, 17, 0.35);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 12px;
}

.card {
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: var(--paper);
  padding: 14px;
}

.card-title {
  font-weight: 1000;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.card code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-weight: 900;
}

.footer {
  text-align: center;
  font-size: 13px;
  opacity: 0.8;
  padding: 6px 0 2px;
}

.btn {
  border: var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  background: var(--paper);
  padding: 10px 12px;
  font-weight: 1000;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform 0.08s ease;
  user-select: none;
}

.btn:hover {
  transform: translate(-2px, -2px);
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: var(--primary);
}

.btn-secondary {
  background: var(--secondary);
}

.btn-danger {
  background: var(--danger);
}

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

.btn-accent {
  background: var(--accent);
}

.hidden {
  display: none;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  z-index: 9999;
}

.modal.open {
  display: flex;
}

.modal-card {
  width: min(980px, 100%);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: var(--paper);
  overflow: hidden;
}

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 14px;
  border-bottom: 2px dashed rgba(17, 17, 17, 0.35);
}

.modal-title {
  font-weight: 1000;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.modal-body {
  padding: 14px;
}

.preview-toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.preview-area {
  border: var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  background: #fafafa;
  padding: 12px;
  min-height: 280px;
  max-height: 60vh;
  overflow: auto;
}

.preview-area pre {
  white-space: pre-wrap;
  word-break: break-word;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 13px;
}

.preview-area img {
  max-width: 100%;
  height: auto;
  border: 2px solid var(--ink);
  border-radius: 12px;
  box-shadow: 4px 4px 0 var(--ink);
  background: #fff;
}

/* Package modal */
.pkg-search {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  margin-bottom: 12px;
}

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

.pkg-item {
  border: var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  background: #fafafa;
  padding: 10px;
  display: flex;
  gap: 10px;
  align-items: center;
}

.pkg-item input {
  transform: scale(1.2);
}

.pkg-name {
  font-weight: 1000;
}

.pkg-desc {
  opacity: 0.75;
  font-size: 12px;
}

/* Loading */
.loading {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.loading.hidden {
  display: none;
}

.loading-card {
  width: min(520px, calc(100% - 36px));
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: var(--paper);
  padding: 16px;
  text-align: center;
}

.spinner {
  width: 46px;
  height: 46px;
  margin: 0 auto 12px;
  border: 5px solid rgba(17, 17, 17, 0.15);
  border-top-color: var(--ink);
  border-radius: 999px;
  animation: spin 0.85s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.progress {
  margin-top: 12px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}

.bar {
  height: 12px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  overflow: hidden;
  background: #f0f0f0;
}

.fill {
  height: 100%;
  width: 0%;
  background: var(--secondary);
  transition: width 0.25s ease;
}

.pct {
  font-weight: 1000;
}

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  border: var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  background: var(--paper);
  padding: 10px 12px;
  font-weight: 900;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  max-width: min(900px, calc(100% - 32px));
  text-align: center;
  z-index: 10001;
}

.toast.show {
  opacity: 1;
}

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

  .cards {
    grid-template-columns: 1fr;
  }

  .pkg-grid {
    grid-template-columns: 1fr;
  }
}