/* Developer Tools (/tools/*) — scoped styles, loaded only on dev-tool + hub
   pages. Reuses the site theme variables; no impact on the main app. */

:root {
  --dt-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

.dev-tool-card { max-width: 900px; margin-left: auto; margin-right: auto; }

/* ── Toolbar / controls ─────────────────────────────────────────────────── */
.dt-toolbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 14px;
}
.dt-btn {
  appearance: none; border: 1px solid var(--border); background: var(--surface);
  color: var(--text, inherit); font: inherit; font-weight: 600; font-size: 0.86rem;
  padding: 8px 14px; border-radius: 10px; cursor: pointer; transition: opacity .15s, border-color .15s, background .15s;
}
.dt-btn:hover { border-color: var(--accent-violet); }
.dt-btn.primary { background: var(--accent-violet); border-color: var(--accent-violet); color: #fff; }
.dt-btn.primary:hover { opacity: .9; }
.dt-btn.ghost { background: transparent; }
.dt-field { display: inline-flex; align-items: center; gap: 6px; font-size: 0.82rem; color: var(--text-muted); }
.dt-field.inline select, .dt-field.inline input {
  font: inherit; font-size: 0.82rem; padding: 6px 8px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text, inherit);
}
.dt-field.inline input[type=number] { width: 74px; }
.dt-check { display: inline-flex; align-items: center; gap: 6px; font-size: 0.82rem; color: var(--text-muted); cursor: pointer; }
.dt-check input { accent-color: var(--accent-violet); }

/* Segmented toggle (encode/decode) */
.dt-seg { display: inline-flex; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.dt-seg-btn { appearance: none; border: 0; background: transparent; color: var(--text-muted); font: inherit; font-weight: 600; font-size: 0.84rem; padding: 7px 16px; cursor: pointer; }
.dt-seg-btn.active { background: var(--accent-violet); color: #fff; }

/* ── Input / output panes ───────────────────────────────────────────────── */
.dt-io { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.dt-jwt-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 14px; }
@media (max-width: 720px) { .dt-io, .dt-jwt-grid, .dt-ts-grid { grid-template-columns: 1fr !important; } }

.dt-pane { display: flex; flex-direction: column; min-width: 0; }
.dt-pane-head {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  font-size: 0.78rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: .03em; margin-bottom: 6px;
}
.dt-pane-actions { display: inline-flex; gap: 6px; }

.dt-area, .dt-out, .dt-input {
  width: 100%; box-sizing: border-box; font-family: var(--dt-mono); font-size: 0.86rem; line-height: 1.55;
  border: 1px solid var(--border); border-radius: 12px; background: var(--surface); color: var(--text, inherit);
}
.dt-area { min-height: 240px; padding: 12px 14px; resize: vertical; white-space: pre; overflow: auto; }
.dt-area.full { min-height: 130px; white-space: pre-wrap; word-break: break-all; }
.dt-out { min-height: 240px; padding: 12px 14px; margin: 0; overflow: auto; white-space: pre-wrap; word-break: break-word; }
.dt-out.tall { min-height: 200px; }
.dt-input { padding: 11px 14px; }
.dt-area:focus, .dt-out:focus, .dt-input:focus { outline: 2px solid var(--accent-violet); outline-offset: 1px; border-color: var(--accent-violet); }

/* ── Copy buttons & status ──────────────────────────────────────────────── */
.dt-copy {
  appearance: none; border: 1px solid var(--border); background: var(--surface); color: var(--text-muted);
  font: inherit; font-size: 0.72rem; font-weight: 700; padding: 4px 10px; border-radius: 8px; cursor: pointer; white-space: nowrap;
}
.dt-copy:hover { border-color: var(--accent-violet); color: var(--text, inherit); }
.dt-copy.copied { background: var(--accent-violet); color: #fff; border-color: var(--accent-violet); }

.dt-status { margin-top: 12px; font-size: 0.82rem; min-height: 1.1em; color: var(--text-muted); }
.dt-status.ok { color: #16a34a; }
.dt-status.err { color: #dc2626; }
.dt-hint { font-size: 0.76rem; color: var(--text-muted); }
.dt-row { display: flex; align-items: center; gap: 10px; margin-top: 8px; }
.dt-note { margin-top: 12px; font-size: 0.8rem; color: var(--text-muted); }

/* ── JWT claims / expiry badge ──────────────────────────────────────────── */
.dt-badge { display: inline-block; font-size: 0.74rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; }
.dt-badge.good { background: rgba(22,163,74,.15); color: #16a34a; }
.dt-badge.bad { background: rgba(220,38,38,.15); color: #dc2626; }
.dt-claims { margin-top: 14px; overflow-x: auto; }
.dt-claims-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.dt-claims-table th, .dt-claims-table td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
.dt-claims-table th { color: var(--text-muted); font-weight: 700; }
.dt-claims-table td:first-child { font-family: var(--dt-mono); color: var(--accent-violet); }

/* ── Result rows (hash / timestamp) ─────────────────────────────────────── */
.dt-ts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.dt-results { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.dt-result-row {
  display: grid; grid-template-columns: 120px 1fr auto; align-items: center; gap: 10px;
  padding: 9px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface);
}
.dt-result-label { font-size: 0.78rem; font-weight: 700; color: var(--text-muted); }
.dt-result-val { font-family: var(--dt-mono); font-size: 0.82rem; word-break: break-all; color: var(--text, inherit); }
@media (max-width: 560px) {
  .dt-result-row { grid-template-columns: 1fr auto; }
  .dt-result-label { grid-column: 1 / -1; }
}

/* ── Toast ──────────────────────────────────────────────────────────────── */
.dt-toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(16px);
  background: #111827; color: #fff; font-size: 0.85rem; font-weight: 600; padding: 10px 18px;
  border-radius: 10px; box-shadow: 0 8px 28px rgba(0,0,0,.4); opacity: 0; pointer-events: none;
  transition: opacity .2s, transform .2s; z-index: 200;
}
.dt-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Phase 1b extras (regex / password / cron) ──────────────────────────── */
.dt-input.mono { font-family: var(--dt-mono); }
.dt-check-row { display: flex; flex-wrap: wrap; gap: 8px 16px; margin: 6px 0 2px; }

.dt-highlight { white-space: pre-wrap; word-break: break-word; }
.dt-highlight mark { background: color-mix(in srgb, var(--accent-violet) 38%, transparent); color: inherit; border-radius: 3px; padding: 0 1px; }

.dt-pw-display { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 14px 16px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.dt-pw-display .dt-result-val { flex: 1; min-width: 160px; font-size: 1.05rem; font-family: var(--dt-mono); word-break: break-all; }
.dt-pw-bar-track { height: 7px; border-radius: 4px; background: var(--border); overflow: hidden; margin: 12px 0 6px; }
.dt-pw-bar { display: block; height: 100%; width: 0; border-radius: 4px; transition: width .2s, background .2s; }
.dt-pw-strength { font-size: 0.82rem; font-weight: 600; min-height: 1.1em; }

.dt-cron-desc { margin-top: 14px; padding: 14px 16px; border-left: 3px solid var(--accent-violet); border-radius: 8px; background: color-mix(in srgb, var(--accent-violet) 8%, transparent); font-size: 0.95rem; font-weight: 600; min-height: 1.2em; }

/* ── Phase 1c — CSS & Design tools ──────────────────────────────────────── */
.dt-controls { display: flex; flex-wrap: wrap; gap: 12px 20px; margin-top: 14px; }
.dt-controls .dt-field { flex: 1 1 200px; }
.dt-controls input[type=range] { width: 100%; }
.dt-result-row .dt-input { min-width: 0; }

/* Color converter */
.dt-color-top { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.dt-color-input { width: 64px; height: 64px; padding: 0; border: 1px solid var(--border); border-radius: 12px; background: none; cursor: pointer; }
.dt-color-swatch { flex: 1; height: 64px; border-radius: 12px; border: 1px solid var(--border); }

/* Gradient generator */
.dt-grad-preview { height: 170px; border-radius: 14px; border: 1px solid var(--border); background: linear-gradient(90deg, #7c3aed, #06b6d4); }
.dt-grad-stops { display: flex; flex-wrap: wrap; gap: 10px; margin: 12px 0; }
.dt-grad-stop { display: inline-flex; align-items: center; gap: 6px; padding: 6px 8px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); }
.dt-grad-stop input[type=color] { width: 34px; height: 30px; padding: 0; border: 1px solid var(--border); border-radius: 6px; background: none; cursor: pointer; }
.dt-grad-stop .gr-pos { width: 64px; padding: 6px 8px; }

/* Box-shadow generator */
.dt-shadow-stage { display: flex; align-items: center; justify-content: center; height: 220px; border-radius: 14px; border: 1px dashed var(--border); background: var(--surface); }
.dt-shadow-box { width: 130px; height: 130px; border-radius: 16px; background: var(--accent-violet); box-shadow: 6px 8px 24px rgba(124,58,237,.25); }

/* ── Test script generators (step builder) ──────────────────────────────── */
.dt-steps { display: flex; flex-direction: column; gap: 8px; }
.tg-step { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.tg-step .tg-action { font: inherit; font-size: 0.84rem; padding: 8px 10px; border: 1px solid var(--border); border-radius: 9px; background: var(--surface); color: var(--text, inherit); flex: 0 0 170px; }
.tg-step .tg-target, .tg-step .tg-value { flex: 1 1 160px; padding: 8px 10px; }
.tg-step input:disabled { opacity: 0.4; }
.tg-step .tg-del { flex: 0 0 auto; }

/* ── Text Diff ──────────────────────────────────────────────────────────── */
.dt-diff { padding: 8px 0; }
.dt-diff-line { font-family: var(--dt-mono); font-size: 0.82rem; line-height: 1.5; padding: 1px 12px; white-space: pre-wrap; word-break: break-word; }
.dt-diff-line.add { background: rgba(22,163,74,.16); }
.dt-diff-line.del { background: rgba(220,38,38,.16); }
.dt-diff-line.ctx { color: var(--text-muted); }

/* ── Markdown preview ───────────────────────────────────────────────────── */
.dt-md-preview { font-family: inherit; line-height: 1.6; }
.dt-md-preview h1, .dt-md-preview h2, .dt-md-preview h3, .dt-md-preview h4 { margin: 0.6em 0 0.3em; line-height: 1.25; }
.dt-md-preview h1 { font-size: 1.6rem; } .dt-md-preview h2 { font-size: 1.35rem; } .dt-md-preview h3 { font-size: 1.15rem; }
.dt-md-preview p { margin: 0.5em 0; }
.dt-md-preview ul, .dt-md-preview ol { margin: 0.5em 0; padding-left: 1.4em; }
.dt-md-preview code { font-family: var(--dt-mono); font-size: 0.86em; background: var(--border); padding: 1px 5px; border-radius: 5px; }
.dt-md-preview pre { background: var(--border); padding: 12px 14px; border-radius: 10px; overflow: auto; }
.dt-md-preview pre code { background: none; padding: 0; }
.dt-md-preview blockquote { margin: 0.6em 0; padding: 2px 14px; border-left: 3px solid var(--accent-violet); color: var(--text-muted); }
.dt-md-preview a { color: var(--accent-violet); }
.dt-md-preview img { max-width: 100%; border-radius: 8px; }
.dt-md-preview hr { border: none; border-top: 1px solid var(--border); margin: 1em 0; }

/* ── Color palette generator ────────────────────────────────────────────── */
.dt-pal-scheme { margin-bottom: 14px; }
.dt-pal-label { font-size: 0.76rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--text-muted); margin-bottom: 6px; }
.dt-pal-row { display: flex; gap: 6px; flex-wrap: wrap; }
.dt-pal-swatch { flex: 1 1 88px; min-height: 56px; border: 1px solid var(--border); border-radius: 10px; cursor: pointer; display: flex; align-items: flex-end; justify-content: center; padding: 6px; font-family: var(--dt-mono); font-size: 0.72rem; font-weight: 700; transition: transform .1s, box-shadow .1s; }
.dt-pal-swatch:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0,0,0,.15); }

/* ── Hub (/tools) ───────────────────────────────────────────────────────── */
.dt-hub { max-width: 1040px; margin: 0 auto; }
.dt-hub-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
@media (min-width: 900px) { .dt-hub-grid { grid-template-columns: repeat(3, 1fr); } }
.dt-hub-card {
  display: flex; flex-direction: column; gap: 8px; padding: 20px; text-decoration: none;
  border: 1px solid var(--border); border-radius: 16px; background: var(--surface); color: var(--text, inherit);
  transition: transform .12s, border-color .12s, box-shadow .12s;
}
.dt-hub-card:hover { transform: translateY(-3px); border-color: var(--accent-violet); box-shadow: 0 10px 28px rgba(16,185,129,.14); }
.dt-hub-top { display: flex; align-items: center; justify-content: space-between; }
.dt-hub-icon { font-size: 1.7rem; line-height: 1; }
.dt-hub-chip { font-size: 0.68rem; font-weight: 700; color: var(--accent-violet); background: rgba(16,185,129,.1); padding: 3px 9px; border-radius: 999px; text-transform: uppercase; letter-spacing: .03em; }
.dt-hub-name { font-weight: 700; font-size: 1rem; }
.dt-hub-desc { font-size: 0.83rem; color: var(--text-muted); line-height: 1.5; }