/* NPP Tools - Material Design 3 (estilo Google) - claro, limpio, mobile-first */
:root {
  /* Paleta Google */
  --md-primary: #1a73e8;
  --md-on-primary: #ffffff;
  --md-primary-container: #e8f0fe;
  --md-on-primary-container: #174ea6;
  --md-surface: #ffffff;
  --md-surface-dim: #f1f3f4;
  --md-outline: #dadce0;
  --md-outline-strong: #bdc1c6;
  --md-text: #202124;
  --md-text-2: #5f6368;
  --md-error: #d93025;
  --md-error-container: #fce8e6;
  --md-success: #188038;
  --md-success-container: #e6f4ea;
  --md-warn: #b06000;
  --md-warn-container: #fef7e0;
  --md-info-container: #e8f0fe;
  --md-radius: 16px;
  --md-radius-sm: 8px;
  --md-shadow-1: 0 1px 2px rgba(60, 64, 67, .3), 0 1px 3px 1px rgba(60, 64, 67, .15);
  --md-shadow-2: 0 1px 2px rgba(60, 64, 67, .3), 0 2px 6px 2px rgba(60, 64, 67, .15);
  --md-font: 'Google Sans Text', Roboto, 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: #f8f9fa;
  color: var(--md-text);
  font-family: var(--md-font);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: 100%; max-width: 760px; margin: 0 auto; padding: 0 16px; }

/* ---------- Top app bar (Google style) ---------- */
.topbar {
  background: var(--md-surface);
  box-shadow: 0 1px 2px rgba(60, 64, 67, .2);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-inner { display: flex; align-items: baseline; gap: 10px; padding-top: 14px; padding-bottom: 14px; }
.brand {
  color: var(--md-text);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: -.3px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand .logo {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--md-primary-container);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.brand-sub { color: var(--md-text-2); font-size: .78rem; }

/* ---------- Hero ---------- */
.hero { padding: 30px 0 6px; }
.hero h1 { margin: 0 0 6px; font-size: 1.7rem; font-weight: 500; letter-spacing: -.5px; color: var(--md-text); }
.muted { color: var(--md-text-2); margin: 0; }
.hero .muted { font-size: .95rem; }

/* ---------- Grid de tarjetas ---------- */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 18px 0;
}
@media (min-width: 640px) { .grid { grid-template-columns: 1fr 1fr; } }

.card {
  background: var(--md-surface);
  border: 1px solid var(--md-outline);
  border-radius: var(--md-radius);
  box-shadow: var(--md-shadow-1);
}

/* Tarjeta de herramienta (Material) */
a.tool {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  text-decoration: none;
  color: var(--md-text);
  transition: box-shadow .15s ease, transform .15s ease;
}
a.tool:hover, a.tool:focus-visible {
  box-shadow: var(--md-shadow-2);
  transform: translateY(-2px);
  outline: none;
}
.tool-icon {
  width: 48px; height: 48px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--md-primary-container);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}
.tool-body { flex: 1; min-width: 0; }
.tool-body h3 { margin: 0 0 3px; font-size: 1.02rem; font-weight: 500; letter-spacing: -.2px; }
.tool-body p { margin: 0 0 10px; font-size: .86rem; color: var(--md-text-2); }
.tool-arrow { color: var(--md-text-2); font-size: 1.1rem; flex-shrink: 0; }

/* Chip (Material) */
.chip {
  display: inline-block;
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--md-on-primary-container);
  background: var(--md-primary-container);
  padding: 3px 10px;
  border-radius: 999px;
}

.note { padding: 4px 0 26px; }

/* ---------- Formularios (Material filled) ---------- */
.form-card { padding: 22px; margin-bottom: 16px; }
.form-card h2 { margin: 0 0 4px; font-size: 1.25rem; font-weight: 500; letter-spacing: -.3px; }
.form-card .muted { margin-bottom: 18px; font-size: .88rem; }

input[type="url"] {
  width: 100%;
  padding: 14px 16px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--md-text);
  background: var(--md-surface-dim);
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: var(--md-radius-sm) var(--md-radius-sm) 0 0;
  margin-bottom: 14px;
  transition: background .15s ease, border-color .15s ease;
}
input[type="url"]::placeholder { color: var(--md-text-2); }
input[type="url"]:focus {
  outline: none;
  background: var(--md-surface);
  border-bottom-color: var(--md-primary);
}

/* Segmented control (Material pills) */
.segmented {
  display: flex;
  gap: 4px;
  background: var(--md-surface-dim);
  border-radius: 999px;
  padding: 4px;
  margin-bottom: 16px;
}
.segmented label { position: relative; flex: 1; cursor: pointer; }
.segmented input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.segmented span {
  display: block;
  text-align: center;
  padding: 9px 8px;
  font-size: .88rem;
  font-weight: 500;
  color: var(--md-text-2);
  border-radius: 999px;
  transition: all .15s ease;
}
.segmented input:checked + span {
  background: var(--md-surface);
  color: var(--md-on-primary-container);
  box-shadow: var(--md-shadow-1);
}
.segmented input:focus-visible + span { outline: 2px solid var(--md-primary); outline-offset: 1px; }

/* Botones Material */
.btn-primary {
  width: 100%;
  padding: 13px;
  font-size: .98rem;
  font-weight: 500;
  font-family: inherit;
  color: var(--md-on-primary);
  background: var(--md-primary);
  border: none;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: var(--md-shadow-1);
  transition: box-shadow .15s ease, opacity .15s ease, transform .12s ease;
}
.btn-primary:hover { box-shadow: var(--md-shadow-2); }
.btn-primary:active { transform: scale(.99); }
.btn-primary:disabled { opacity: .55; cursor: not-allowed; box-shadow: none; }

.msg { margin: 12px 0 0; font-size: .9rem; border-radius: var(--md-radius-sm); padding: 10px 14px; }
.msg.error { background: var(--md-error-container); color: var(--md-error); }
.msg.hidden { display: none; }

/* ---------- Trabajos (Material cards) ---------- */
.stack { display: flex; flex-direction: column; gap: 12px; padding-bottom: 30px; }
.job {
  background: var(--md-surface);
  border: 1px solid var(--md-outline);
  border-radius: var(--md-radius);
  padding: 18px;
  box-shadow: var(--md-shadow-1);
}
.job-top { display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; margin-bottom: 10px; }
.job-title { font-weight: 500; font-size: .95rem; margin: 0; word-break: break-word; letter-spacing: -.1px; }
.job-sub { color: var(--md-text-2); font-size: .8rem; margin: 2px 0 0; word-break: break-all; }

.badge {
  flex-shrink: 0;
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .02em;
  padding: 4px 12px;
  border-radius: 999px;
  white-space: nowrap;
}
.badge.queued  { background: var(--md-surface-dim); color: var(--md-text-2); }
.badge.running { background: var(--md-info-container); color: var(--md-on-primary-container); }
.badge.done    { background: var(--md-success-container); color: var(--md-success); }
.badge.error   { background: var(--md-error-container); color: var(--md-error); }
.badge.canceled{ background: var(--md-warn-container); color: var(--md-warn); }

.bar {
  height: 4px;
  background: #e0e0e0;
  border-radius: 999px;
  overflow: hidden;
  margin: 12px 0 8px;
}
.bar-fill {
  height: 100%;
  width: 0%;
  background: var(--md-primary);
  border-radius: 999px;
  transition: width .4s ease;
}
.job-meta { display: flex; flex-wrap: wrap; gap: 4px 14px; color: var(--md-text-2); font-size: .8rem; }

.job-error {
  margin-top: 10px;
  font-size: .87rem;
  color: var(--md-error);
  background: var(--md-error-container);
  border-radius: var(--md-radius-sm);
  padding: 10px 12px;
  word-break: break-word;
}
.job-note {
  margin-top: 10px;
  font-size: .86rem;
  color: var(--md-warn);
  background: var(--md-warn-container);
  border-radius: var(--md-radius-sm);
  padding: 10px 12px;
}
.job-actions { margin-top: 14px; display: flex; gap: 10px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 10px 20px;
  font-size: .9rem;
  font-weight: 500;
  font-family: inherit;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid var(--md-outline-strong);
  color: var(--md-text);
  background: var(--md-surface);
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}
.btn:hover { background: var(--md-surface-dim); }
.btn.download {
  background: var(--md-primary);
  border-color: var(--md-primary);
  color: var(--md-on-primary);
}
.btn.download:hover { background: #1967d2; }
.btn.danger { color: var(--md-error); border-color: var(--md-outline-strong); }
.btn.danger:hover { background: var(--md-error-container); border-color: var(--md-error); }

.spin {
  display: inline-block;
  width: 13px; height: 13px;
  border: 2px solid rgba(255, 255, 255, .35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  vertical-align: -2px;
  margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Resultado Spotify */
.sp-result { display: flex; gap: 14px; align-items: center; }
.sp-thumb {
  width: 72px; height: 72px;
  border-radius: 12px;
  object-fit: cover;
  background: var(--md-surface-dim);
  flex-shrink: 0;
}
.sp-info h3 { margin: 0 0 2px; font-size: 1rem; font-weight: 500; }
.sp-info .muted { font-size: .84rem; }

.warn-card { padding: 16px 18px; margin-bottom: 16px; border-left: 4px solid var(--md-warn); }
.warn-card h3 { margin: 0 0 6px; font-size: .98rem; font-weight: 500; }
.warn-card p { font-size: .87rem; color: var(--md-text-2); }

.back {
  display: inline-block;
  color: var(--md-primary);
  text-decoration: none;
  font-size: .88rem;
  font-weight: 500;
  padding: 16px 0 8px;
}
.back:hover { text-decoration: underline; }

.foot {
  margin-top: auto;
  text-align: center;
  font-size: .75rem;
  color: var(--md-text-2);
  padding: 18px 0 22px;
  border-top: 1px solid var(--md-outline);
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}