/* popup.css
   Shared modal/tutorial popup styling for GradTool.
   Designed for a purple/blue gradient UI theme.

   Load once in your HTML:
     <link rel="stylesheet" href="popup.css">
*/

/* Lock page scroll when modal is open */
.gtp-scroll-lock { overflow: hidden !important; }

/* Root/backdrop */
.gtp-root { position: fixed; inset: 0; z-index: 9999; }
.gtp-backdrop {
  position: absolute; inset: 0;
  background: rgba(8, 6, 18, 0.62);
  backdrop-filter: blur(2px);
}

/* Dialog shell */
.gtp-dialog {
  position: absolute;
  inset: 5vh 5vw;
  max-width: 1120px;
  margin: 0 auto;
  background: radial-gradient(1200px 800px at 10% 0%,
      rgba(122, 72, 255, 0.22),
      rgba(15, 12, 30, 0.92) 45%,
      rgba(10, 9, 18, 0.96) 100%);
  color: #eef0ff;
  border: 1px solid rgba(160, 130, 255, 0.22);
  border-radius: 14px;
  box-shadow: 0 30px 110px rgba(0,0,0,.58);
  display: grid;
  grid-template-rows: auto 1fr auto;
  outline: none;
  overflow: hidden;
  animation: gtp-pop .18s ease-out;
}
@keyframes gtp-pop {
  from { transform: translateY(6px); opacity: .86; }
  to   { transform: translateY(0); opacity: 1; }
}

/* Header */
.gtp-header {
  padding: 16px 18px;
  border-bottom: 1px solid rgba(170, 140, 255, 0.14);
  display: flex;
  gap: 14px;
  justify-content: space-between;
  align-items: flex-start;
}
.gtp-badge {
  display:inline-flex;
  align-items:center;
  gap: 8px;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(122,72,255,.22), rgba(55,165,255,.16));
  border: 1px solid rgba(165, 140, 255, 0.22);
}
.gtp-title { margin: 8px 0 0 0; font-size: 18px; letter-spacing: .2px; }
.gtp-subtitle { margin: 6px 0 0 0; font-size: 13px; opacity: .92; max-width: 78ch; }

.gtp-header-right { display:flex; gap: 10px; align-items:center; }
.gtp-close-btn, .gtp-icon-btn {
  border: 1px solid rgba(170, 140, 255, 0.20);
  background: rgba(255,255,255,.06);
  color: inherit;
  border-radius: 10px;
  cursor: pointer;
}
.gtp-close-btn {
  width: 38px; height: 38px;
  font-size: 16px;
}
.gtp-icon-btn {
  height: 38px;
  padding: 0 12px;
  font-size: 12px;
}
.gtp-close-btn:hover, .gtp-icon-btn:hover { background: rgba(255,255,255,.10); }

/* Body layout */
.gtp-body { display: grid; grid-template-columns: 260px 1fr; min-height: 0; }
.gtp-nav {
  border-right: 1px solid rgba(170, 140, 255, 0.14);
  padding: 12px;
  display:flex;
  flex-direction: column;
  gap: 8px;
  overflow:auto;
}
.gtp-nav-btn {
  text-align: left;
  border: 1px solid rgba(170, 140, 255, 0.16);
  background: rgba(255,255,255,.04);
  color: inherit;
  padding: 10px 10px;
  border-radius: 12px;
  cursor: pointer;
  font-size: 13px;
}
.gtp-nav-btn:hover { background: rgba(255,255,255,.08); }
.gtp-nav-btn[aria-current="true"] {
  background: linear-gradient(90deg, rgba(122,72,255,.18), rgba(55,165,255,.12));
  border-color: rgba(190, 170, 255, 0.28);
}

/* Main content */
.gtp-main { padding: 16px 18px; overflow:auto; min-height: 0; }
.gtp-section { display: none; }
.gtp-section.is-active { display: block; }

.gtp-hr { border: none; border-top: 1px solid rgba(170, 140, 255, 0.14); margin: 16px 0; }

.gtp-list { margin: 8px 0 0 18px; }
.gtp-tight { margin-top: 6px; }
.gtp-steps { margin: 8px 0 0 18px; }

.gtp-callout {
  border: 1px solid rgba(170, 140, 255, 0.16);
  background: rgba(255,255,255,.05);
  border-radius: 14px;
  padding: 12px 12px;
  margin: 12px 0;
}
.gtp-callout-title { font-weight: 800; margin-bottom: 6px; letter-spacing: .2px; }

.gtp-grid2 { display:grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.gtp-mini-card {
  border: 1px solid rgba(170, 140, 255, 0.14);
  background: rgba(255,255,255,.03);
  border-radius: 14px;
  padding: 12px 12px;
}

.gtp-code {
  white-space: pre;
  overflow: auto;
  background: rgba(0,0,0,.28);
  border: 1px solid rgba(170, 140, 255, 0.14);
  border-radius: 14px;
  padding: 10px 12px;
  margin: 10px 0 0 0;
  font-size: 12px;
  line-height: 1.45;
}
.gtp-code code { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }

/* Controls */
.gtp-row { display:flex; gap: 8px; align-items:center; flex-wrap: wrap; margin-bottom: 10px; }
.gtp-row-slim { margin-top: 8px; margin-bottom: 0; }
.gtp-label { display:block; font-size: 12px; opacity: .92; margin: 8px 0 6px; }

.gtp-select, .gtp-textarea, .gtp-input {
  border: 1px solid rgba(170, 140, 255, 0.20);
  color: inherit;
  border-radius: 12px;
  outline: none;
}
.gtp-select {
  height: 34px;
  padding: 0 10px;
  cursor: pointer;
}

.gtp-input {
  height: 34px;
  padding: 0 10px;
}
.gtp-textarea {
  width: 100%;
  padding: 10px 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  line-height: 1.45;
}
.gtp-textarea:focus, .gtp-select:focus, .gtp-input:focus {
  border-color: rgba(110, 175, 255, 0.55);
  box-shadow: 0 0 0 3px rgba(110, 175, 255, 0.14);
}

.gtp-btn {
  border: 1px solid rgba(170, 140, 255, 0.22);
  background: rgba(255,255,255,.06);
  color: inherit;
  height: 34px;
  padding: 0 12px;
  border-radius: 12px;
  cursor: pointer;
  font-size: 12px;
}
.gtp-btn:hover { background: rgba(255,255,255,.10); }
.gtp-btn-primary {
  background: linear-gradient(90deg, rgba(122,72,255,.28), rgba(55,165,255,.22));
  border-color: rgba(170, 190, 255, 0.35);
}
.gtp-btn-primary:hover {
  background: linear-gradient(90deg, rgba(122,72,255,.34), rgba(55,165,255,.26));
}

.gtp-status { font-size: 12px; opacity: .92; }

/* Demo preview */
.gtp-preview-frame {
  border: 1px solid rgba(170, 140, 255, 0.14);
  background: rgba(255,255,255,.03);
  border-radius: 16px;
  padding: 12px;
}
.gtp-preview {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 14px;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.12), rgba(255,255,255,0));
  position: relative;
  overflow: hidden;
}
.gtp-preview-layer {
  position: absolute;
  inset: 12%;
  background:
    radial-gradient(circle at 30% 30%, rgba(190, 110, 255, 0.92), rgba(190, 110, 255, 0) 60%),
    radial-gradient(circle at 70% 70%, rgba(90, 180, 255, 0.92), rgba(90, 180, 255, 0) 60%),
    linear-gradient(135deg, rgba(255,255,255,.08), rgba(0,0,0,0));
  filter: saturate(1.22) contrast(1.06);
  border-radius: 14px;
}
.gtp-preview-caption { font-size: 12px; opacity: .88; margin-top: 8px; }

.gtp-pill {
  display:inline-flex;
  align-items:center;
  gap: 6px;
  border: 1px solid rgba(170, 140, 255, 0.18);
  background: rgba(255,255,255,.05);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 12px;
  opacity: .95;
}

kbd {
  border: 1px solid rgba(170, 140, 255, 0.26);
  background: rgba(255,255,255,.06);
  padding: 1px 6px;
  border-radius: 7px;
  font-size: 12px;
}