:root {
  --bg: #14171a;
  --panel: #1b1f23;
  --panel-alt: #20252b;
  --border: #2a2f36;
  --border-strong: #3a4048;
  --text: #e8eaed;
  --text-muted: #8a929b;
  --accent: #ff6a35;
  --accent-dim: #7a3a22;
  --danger: #e0605c;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", Consolas, "Roboto Mono", monospace;
  --radius: 6px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
}

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

button {
  font-family: inherit;
  cursor: pointer;
}

/* Topbar */

.topbar {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 28px;
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.wordmark {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}

.wordmark-mark {
  color: var(--accent);
  margin-right: 2px;
}

.crumbs {
  color: var(--text-muted);
  font-size: 14px;
}

.crumbs a {
  color: var(--text-muted);
  border-bottom: 1px solid transparent;
}

.crumbs a:hover {
  color: var(--text);
  border-bottom-color: var(--border-strong);
}

.crumbs .sep {
  margin: 0 8px;
  color: var(--border-strong);
}

.crumbs .current {
  color: var(--text);
}

/* Layout */

.view {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 28px 80px;
}

.view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
}

.view-title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

.view-subtitle {
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 4px;
}

.btn {
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text);
  border-radius: var(--radius);
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 500;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.btn:hover {
  border-color: var(--accent);
}

.btn-danger {
  border-color: var(--border-strong);
  color: var(--danger);
}

.btn-danger:hover {
  border-color: var(--danger);
}

/* Project grid */

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}

.project-card {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 20px 18px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 84px;
  transition: border-color 0.15s ease, transform 0.1s ease;
}

.project-card:hover {
  border-color: var(--border-strong);
}

.project-card-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  word-break: break-word;
}

.project-card-meta {
  font-size: 13px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.project-card--new {
  border-style: dashed;
  align-items: flex-start;
  justify-content: center;
  color: var(--text-muted);
}

.project-card--new:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.new-icon {
  font-size: 22px;
  line-height: 1;
  margin-bottom: 4px;
}

.empty-state {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

/* Inline new-project form */

.new-project-form {
  border: 1px solid var(--border-strong);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 20px;
}

.new-project-form input[type="text"] {
  flex: 1;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 9px 12px;
  font-size: 14px;
  font-family: inherit;
}

.new-project-form input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
}

/* Dropzone */

.dropzone {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: 22px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 24px;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.dropzone strong {
  color: var(--text);
  font-weight: 500;
}

.dropzone.is-dragover {
  border-color: var(--accent);
  color: var(--text);
  background: rgba(255, 106, 53, 0.06);
}

/* File grid */

.file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.file-card {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  animation: fade-in 0.25s ease;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.file-card-canvas {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--panel-alt);
}

.file-card-canvas canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.file-card-info {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-top: 1px solid var(--border);
}

.file-card-name {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text);
  word-break: break-all;
}

.file-card-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.file-card-delete,
.file-card-download {
  position: absolute;
  top: 8px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: rgba(20, 23, 26, 0.85);
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.file-card-delete {
  right: 8px;
  font-size: 15px;
}

.file-card-download {
  right: 38px;
}

.file-card:hover .file-card-delete,
.file-card:hover .file-card-download {
  opacity: 1;
}

.file-card-delete:hover {
  color: var(--danger);
  border-color: var(--danger);
}

.file-card-download:hover {
  color: var(--accent);
  border-color: var(--accent);
}

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

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--panel-alt);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 10px 18px;
  font-size: 13px;
  color: var(--text);
  z-index: 50;
}

.toast.toast--error {
  border-color: var(--danger);
  color: var(--danger);
}