:root {
  color-scheme: dark;
  --bg: #0a0d14;
  --panel: rgba(18, 24, 38, 0.86);
  --panel-strong: #141b2c;
  --text: #f4f7fb;
  --muted: #99a7bd;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #8b5cf6;
  --accent-2: #22d3ee;
  --danger: #fb7185;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 10%, rgba(139, 92, 246, 0.32), transparent 32rem),
    radial-gradient(circle at 86% 14%, rgba(34, 211, 238, 0.20), transparent 28rem),
    var(--bg);
}

button, input, select {
  font: inherit;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 0.85rem 1.15rem;
  color: white;
  cursor: pointer;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 16px 38px rgba(34, 211, 238, 0.14);
  font-weight: 800;
}
button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}
button.ghost {
  background: rgba(255,255,255,0.08);
  box-shadow: none;
}
button.danger {
  background: rgba(251, 113, 133, 0.18);
  color: #fecdd3;
  box-shadow: none;
  border: 1px solid rgba(251, 113, 133, 0.35);
}

.topbar {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.2rem 0 1.2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.topbar h1, .status-head h2, .login-card h1 {
  margin: 0;
}
.eyebrow {
  margin: 0 0 0.35rem;
  color: var(--accent-2);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 900;
}

.shell {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto 3rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.78fr);
  gap: 1rem;
}
.panel, .login-card {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(18px);
  border-radius: 28px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.3);
}
.panel { padding: 1.2rem; }
.upload-panel { display: grid; gap: 1rem; }
.field { display: grid; gap: 0.45rem; color: var(--muted); font-weight: 700; }
select, input[type="password"], input[type="text"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 18px;
  color: var(--text);
  background: var(--panel-strong);
  padding: 0.95rem 1rem;
  outline: none;
}
.hint {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}
.dropzone {
  min-height: 260px;
  border: 1.5px dashed rgba(255,255,255,0.24);
  border-radius: 26px;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  background: rgba(255,255,255,0.035);
  transition: border-color 150ms, transform 150ms, background 150ms;
}
.dropzone:hover, .dropzone.dragging {
  border-color: var(--accent-2);
  background: rgba(34, 211, 238, 0.07);
  transform: translateY(-1px);
}
.dropzone input { display: none; }
.dropzone strong { font-size: 1.4rem; }
.dropzone p, .muted { color: var(--muted); }
.selected {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 0.9rem 1rem;
  background: rgba(255,255,255,0.04);
  word-break: break-word;
}
.hidden { display: none !important; }
.file-roles {
  display: grid;
  gap: 0.55rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 0.85rem;
  background: rgba(255,255,255,0.035);
}
.file-roles-head {
  display: flex;
  justify-content: space-between;
  gap: 0.7rem;
  color: var(--text);
  align-items: baseline;
}
.file-roles-head small { color: var(--muted); }
.file-role {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: center;
  gap: 0.65rem;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 16px;
  padding: 0.65rem 0.75rem;
  cursor: pointer;
  background: rgba(255,255,255,0.035);
}
.file-role.is-main {
  border-color: rgba(34, 211, 238, 0.55);
  background: rgba(34, 211, 238, 0.07);
}
.role-pill {
  min-width: 4.3rem;
  text-align: center;
  color: #d8e2f0;
  border-radius: 999px;
  padding: 0.24rem 0.5rem;
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  background: rgba(255,255,255,0.10);
}
.is-main .role-pill {
  color: #06111a;
  background: var(--accent-2);
}
.file-role-name {
  min-width: 0;
  overflow-wrap: anywhere;
}
.actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.status-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}
#percent { font-size: 1.45rem; }
.bar {
  height: 18px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
  margin: 1rem 0;
}
#barFill {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 180ms ease;
}
pre {
  min-height: 320px;
  max-height: 52vh;
  margin: 0;
  white-space: pre-wrap;
  overflow: auto;
  color: #d8e2f0;
  background: #080b12;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem;
}
.login-body { display: grid; place-items: center; padding: 1rem; }
.login-card {
  width: min(420px, 100%);
  padding: 1.4rem;
}
.login-card p { color: var(--muted); }
.login-card form { display: grid; gap: 0.85rem; }

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .topbar { align-items: flex-start; }
}