:root {
  --bg0: #0f1419;
  --bg1: #1a2332;
  --ink: #e8eef6;
  --muted: #8b9bb0;
  --accent: #3d9b8f;
  --accent2: #c4a35a;
  --err: #e07070;
  --ok: #6bc48a;
  --line: rgba(232, 238, 246, 0.12);
  --font: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(61, 155, 143, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 100%, rgba(196, 163, 90, 0.12), transparent 50%),
    linear-gradient(160deg, var(--bg0), var(--bg1));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.panel {
  width: min(420px, 100%);
  padding: 1.75rem 1.5rem 1.5rem;
  border: 1px solid var(--line);
  background: rgba(15, 20, 25, 0.72);
  backdrop-filter: blur(8px);
}

.panel.wide { width: min(640px, 100%); }

h1 {
  margin: 0 0 0.35rem;
  font-family: var(--font);
  font-weight: 600;
  font-size: 2rem;
  letter-spacing: 0.02em;
  color: var(--accent2);
}

.app-version-badge {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.12rem 0.45rem;
  border: 1px solid var(--accent);
  border-radius: 3px;
  vertical-align: middle;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: rgba(61, 155, 143, 0.12);
}

.tabs {
  display: flex;
  gap: 0.35rem;
  margin: 0 0 1.15rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.35rem;
}

.tab {
  margin: 0;
  padding: 0.45rem 0.85rem;
  border: none;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.tab:hover { color: var(--ink); filter: none; }

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

.tab-panel { margin-top: 0.25rem; }

.library-status {
  margin: 0.5rem 0;
  color: var(--muted);
}

.library-status.err { color: var(--err); }

.library-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 0.85rem;
}

.library-toolbar .btn-secondary,
.library-toolbar .btn-danger { margin-top: 0; }

.btn-danger {
  display: inline-block;
  padding: 0.65rem 1.1rem;
  border: none;
  background: #a84848;
  color: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.btn-danger:hover { filter: brightness(1.08); }
.btn-danger:disabled { opacity: 0.45; cursor: not-allowed; filter: none; }

.library-confirm {
  margin: 0 0 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--err);
  background: rgba(224, 112, 112, 0.08);
}

.library-confirm-text {
  margin: 0 0 0.75rem;
  color: var(--err);
}

.library-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.library-item {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}

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

.library-row {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
}

.library-check-wrap {
  margin: 0.2rem 0 0;
  flex: 0 0 auto;
}

.library-check {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
}

.library-body { min-width: 0; flex: 1; }

.library-name {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  word-break: break-all;
}

.library-name:hover { text-decoration: underline; }

.library-meta {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.lede { margin: 0 0 1.25rem; color: var(--muted); line-height: 1.45; }
.top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.75rem; margin-bottom: 1rem; }
.who { margin: 0; color: var(--muted); font-size: 0.9rem; }
.who a { color: var(--accent); }

label {
  display: block;
  margin-bottom: 0.85rem;
  font-size: 0.85rem;
  color: var(--muted);
}

input[type="email"],
input[type="password"] {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.35);
  color: var(--ink);
  font: inherit;
}

button,
.file-btn {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.65rem 1.1rem;
  border: none;
  background: var(--accent);
  color: #06120f;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

button:hover,
.file-btn:hover { filter: brightness(1.08); }

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  filter: none;
}

.btn-primary { background: var(--accent); color: #06120f; }
.btn-secondary {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
  margin-left: 0.5rem;
}

.drop {
  border: 2px dashed rgba(61, 155, 143, 0.45);
  padding: 2.5rem 1.25rem;
  text-align: center;
  background: rgba(61, 155, 143, 0.06);
  outline: none;
}

.drop.drag { border-color: var(--accent2); background: rgba(196, 163, 90, 0.1); }
.drop.disabled { opacity: 0.55; pointer-events: none; }
.drop-title { margin: 0 0 0.35rem; font-size: 1.1rem; }
.drop-sub { margin: 0.35rem 0; color: var(--muted); font-size: 0.9rem; }

.selected {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.25);
}

.selected-name {
  margin: 0 0 0.25rem;
  font-weight: 600;
  word-break: break-all;
}

.selected-size {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.35rem; }
.actions .btn-primary,
.actions .btn-secondary { margin-top: 0; }

.status { margin-top: 1.25rem; }
.status-text { margin: 0 0 0.65rem; font-weight: 600; }
.status-pct {
  margin: 0.45rem 0 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--accent2);
}
.status-meta { margin: 0.35rem 0 0; color: var(--muted); font-size: 0.85rem; }

.bar {
  height: 14px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
  border-radius: 2px;
}

.bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(
    90deg,
    var(--accent) 0%,
    #5ec4b6 40%,
    var(--accent2) 70%,
    var(--accent) 100%
  );
  background-size: 200% 100%;
  transition: width 0.2s ease-out;
}

.bar-fill.active {
  animation: solana-bar-shine 1.2s linear infinite;
}

.bar-fill.done {
  animation: none;
  background: var(--ok);
  background-size: 100% 100%;
}

@keyframes solana-bar-shine {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.msg { margin-top: 1rem; padding: 0.65rem 0.75rem; border: 1px solid var(--line); }
.msg.err { border-color: var(--err); color: var(--err); word-break: break-word; }
.msg.ok { border-color: var(--ok); color: var(--ok); }
.msg-link {
  color: inherit;
  font-weight: 700;
  text-decoration: underline;
  cursor: pointer;
}
.msg-link:hover { filter: brightness(1.15); }

code { font-size: 0.9em; color: var(--accent2); }