:root {
  color-scheme: dark;
  --bg: #101216;
  --panel: #191c22;
  --border: #2a2f38;
  --text: #e6e8eb;
  --muted: #9aa3af;
  --accent: #7c9cff;
  --ok: #4ade80;
  --error: #f87171;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}

h1 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 4px;
}

/* Modo visitante (default): las acciones con login no existen en la UI.
   body.admin (administrador): subir, eliminar y descargar.
   body.downloader (login de descargas): solo descargar.
   La autorización real la impone el servidor (401/403); esto solo evita
   confundir a quien mira el panel. */
body:not(.admin) .admin-only { display: none !important; }
body:not(.admin):not(.downloader) .auth-only { display: none !important; }
body:not(.downloader) .downloader-only { display: none !important; }
body.admin .guest-only,
body.downloader .guest-only { display: none !important; }

h2 {
  margin: 40px 0 12px;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.hint { color: var(--muted); margin: 0 0 24px; }

#dropzone {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 44px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

#dropzone:hover, #dropzone:focus-visible, #dropzone.dragover {
  border-color: var(--accent);
  background: rgba(124, 156, 255, 0.06);
  outline: none;
}

.dz-main { margin: 0; font-size: 17px; font-weight: 600; }
.dz-sub { margin: 4px 0 0; color: var(--muted); }

#progress {
  margin-top: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  position: relative;
  height: 28px;
  overflow: hidden;
}

#progress-bar {
  position: absolute;
  inset: 0 100% 0 0;
  background: var(--accent);
  opacity: 0.35;
  transition: right 0.1s linear;
}

#progress-label {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 13px;
}

#status {
  margin-top: 16px;
  padding: 10px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel);
  white-space: pre-wrap;
  overflow-wrap: break-word;
}

#status.ok { border-color: var(--ok); }
#status.error { border-color: var(--error); }

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

.sites li {
  display: flex;
  /* Con sesión de administrador hay cuatro botones por fila: en pantallas
     estrechas bajan a una segunda línea en vez de aplastar la URL. */
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
}

.site-info { flex: 1 1 240px; min-width: 0; }

.site-info a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  overflow-wrap: break-word;
}

.site-info a:hover { text-decoration: underline; }

.site-meta {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-top: 2px;
}

button {
  font: inherit;
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  flex-shrink: 0;
}

button:hover { border-color: var(--muted); }
button:disabled { opacity: 0.5; cursor: default; }
button.danger:hover { border-color: var(--error); color: var(--error); }
button.primary { background: var(--accent); border-color: var(--accent); color: #10131a; font-weight: 600; }
button.primary:hover { filter: brightness(1.1); }

dialog {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  width: min(340px, 90vw);
}

dialog::backdrop { background: rgba(0, 0, 0, 0.55); }

dialog h3 { margin: 0 0 4px; font-size: 16px; }
dialog .hint { margin-bottom: 16px; }

dialog label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}

dialog input {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 8px 10px;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
}

dialog input:focus { outline: none; border-color: var(--accent); }

.login-error { color: var(--error); font-size: 13px; margin: 0 0 12px; }

.login-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
}