/*
 * ZenFrame Design System
 * ----------------------
 * "Kanzlei bei Nacht" — deep ink chambers for internal work surfaces (auth, admin,
 * dashboard, tools), warm document paper for anything a lawyer's own client sees
 * (public intake form, confirmation). Two restrained accents drawn from a law firm's
 * own vernacular: oxblood (ribbon/seal red) and brass (nameplate gold) — never a
 * bright, saturated single accent.
 */

:root {
  /* ── Ink (dark chambers) ─────────────────────────────────── */
  --ink-950: #12141c;
  --ink-900: #191c27;
  --ink-850: #1e2230;
  --ink-800: #232733;
  --ink-border: #2c3040;
  --ink-border-soft: #23262f;
  --paper-text: #edede6;
  --muted-text: #9498a8;
  --faint-text: #5b5f72;

  /* ── Accents ──────────────────────────────────────────────── */
  --oxblood: #a23446;
  --oxblood-strong: #8c2a3a;
  --oxblood-soft: rgba(162, 52, 70, 0.14);
  --oxblood-border: rgba(162, 52, 70, 0.38);
  --brass: #c3a06a;
  --brass-soft: rgba(195, 160, 106, 0.14);
  --brass-border: rgba(195, 160, 106, 0.35);
  --sage: #6f9c7d;
  --sage-soft: rgba(111, 156, 125, 0.14);
  --sage-border: rgba(111, 156, 125, 0.32);
  --slate-blue: #7288ab;
  --slate-blue-soft: rgba(114, 136, 171, 0.14);
  --slate-blue-border: rgba(114, 136, 171, 0.32);

  /* ── Paper (light, outward-facing) ───────────────────────── */
  --paper-bg: #f6f4ef;
  --paper-card: #fffefb;
  --paper-border: #e6e1d4;
  --paper-ink: #201f2b;
  --paper-muted: #6b6f80;
  --paper-oxblood: #7d2836;
  --paper-brass: #93763f;

  /* ── Type ─────────────────────────────────────────────────── */
  --font-display: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-sans: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  /* ── Shape & elevation ────────────────────────────────────── */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-ink: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 12px 32px rgba(0, 0, 0, 0.35);
  --shadow-paper: 0 2px 6px rgba(32, 28, 20, 0.05), 0 16px 40px rgba(32, 28, 20, 0.07);
}

/* ── Reference-code motif ─────────────────────────────────────
   Small mono "Aktenzeichen"-style tag, used for reference numbers,
   embed snippets, session tokens — anywhere a precise identifier appears. */
.zf-ref {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--brass);
  background: var(--brass-soft);
  border: 1px solid var(--brass-border);
  border-radius: 6px;
  padding: 0.15rem 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

/* ── § mark — quiet recurring signature, used as a section glyph ── */
.zf-mark {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--oxblood);
}

/* ── Buttons ──────────────────────────────────────────────────── */
.zf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.1s;
  text-decoration: none;
}
.zf-btn:active { transform: translateY(1px); }
.zf-btn-primary { background: var(--oxblood); color: #fbf2f0; }
.zf-btn-primary:hover { background: var(--oxblood-strong); }
.zf-btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.zf-btn-ghost { background: transparent; border-color: var(--ink-border); color: var(--muted-text); }
.zf-btn-ghost:hover { border-color: var(--brass-border); color: var(--paper-text); background: var(--ink-800); }
.zf-btn-danger { background: rgba(162, 52, 70, 0.1); border-color: var(--oxblood-border); color: #e39aa4; }
.zf-btn-danger:hover { background: rgba(162, 52, 70, 0.18); }

/* ── Focus ────────────────────────────────────────────────────── */
.zf-focusable:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ═══════════════════════════════════════════════════════════════
   Shared "chambers" workspace components — dashboard + tool pages
   ═══════════════════════════════════════════════════════════════ */

.zf-shell { background: var(--ink-950); min-height: calc(100vh - 64px); font-family: var(--font-sans); }
.zf-c1 { color: var(--paper-text); }
.zf-c2 { color: var(--muted-text); }
.zf-c3 { color: var(--faint-text); }

/* Tool tab navigation (shared header across all 4 tool pages) */
.zf-tab-strip { border-bottom: 1px solid var(--ink-border-soft); background: var(--ink-950); }
.zf-tab-category {
  display: flex; align-items: center; padding: .6rem .75rem .6rem 0;
  font-size: .62rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--faint-text); white-space: nowrap; user-select: none;
}
.zf-tab {
  display: flex; align-items: center; gap: .5rem;
  padding: .6rem 1rem; font-size: .8125rem; font-weight: 500;
  color: var(--muted-text); border-bottom: 2px solid transparent;
  white-space: nowrap; transition: color .15s, border-color .15s;
  cursor: pointer; text-decoration: none;
}
.zf-tab:hover { color: var(--paper-text); }
.zf-tab.active { color: var(--paper-text); border-color: var(--oxblood); }
.zf-tab .icon { font-size: .9rem; line-height: 1; }

/* Panels / cards */
.zf-panel { background: var(--ink-900); border: 1px solid var(--ink-border-soft); border-radius: var(--radius-md); overflow: hidden; }
.zf-panel-header { padding: 1.15rem 1.4rem; border-bottom: 1px solid var(--ink-border-soft); }
.zf-panel-body { padding: 1.4rem; }

/* Forms */
.zf-label { display: block; font-size: .75rem; font-weight: 600; color: var(--muted-text); margin-bottom: .375rem; }
.zf-field {
  width: 100%; background: var(--ink-850); border: 1px solid var(--ink-border); border-radius: var(--radius-sm);
  padding: .625rem .875rem; font-size: .875rem; color: var(--paper-text); font-family: var(--font-sans);
  outline: none; transition: border-color .15s;
}
.zf-field:focus { border-color: var(--brass); }
.zf-field::placeholder { color: var(--faint-text); }
textarea.zf-field { resize: vertical; }
.zf-checkbox { display: flex; align-items: center; gap: .5rem; font-size: .8125rem; color: var(--paper-text); }
.zf-checkbox input { accent-color: var(--oxblood); width: 15px; height: 15px; }

/* Small action buttons used inside panels (copy, mark done, delete…) */
.zf-action {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .375rem .75rem; border-radius: 6px; font-size: .75rem; font-weight: 500;
  border: 1px solid; cursor: pointer; transition: all .15s; text-decoration: none; background: transparent;
  font-family: var(--font-sans);
}
.zf-action-ghost { border-color: var(--ink-border); color: var(--muted-text); }
.zf-action-ghost:hover { border-color: var(--brass-border); color: var(--paper-text); background: var(--ink-800); }
.zf-action-good { border-color: var(--sage-border); color: var(--sage); background: var(--sage-soft); }
.zf-action-good:hover { background: rgba(111,156,125,.22); }
.zf-action-bad { border-color: var(--oxblood-border); color: #e39aa4; background: var(--oxblood-soft); }
.zf-action-bad:hover { background: rgba(162,52,70,.22); }

/* Status/priority badges */
.zf-badge { display: inline-flex; align-items: center; font-size: .68rem; font-weight: 600; padding: .15rem .55rem; border-radius: 999px; border: 1px solid; }
.zf-badge-oxblood { background: var(--oxblood-soft); color: #e39aa4; border-color: var(--oxblood-border); }
.zf-badge-brass { background: var(--brass-soft); color: var(--brass); border-color: var(--brass-border); }
.zf-badge-sage { background: var(--sage-soft); color: var(--sage); border-color: var(--sage-border); }
.zf-badge-slate { background: var(--slate-blue-soft); color: var(--slate-blue); border-color: var(--slate-blue-border); }
.zf-badge-quiet { background: var(--ink-800); color: var(--muted-text); border-color: var(--ink-border); }

/* Status pill in tool headers ("Aktiv" / "Inaktiv") */
.zf-pill-active { background: var(--sage-soft); color: var(--sage); border: 1px solid var(--sage-border); }
.zf-pill-idle { background: var(--ink-800); color: var(--muted-text); border: 1px solid var(--ink-border); }

/* Code / reference blocks (embed snippets, links) */
.zf-code {
  background: #0a0b10; border: 1px solid var(--ink-border); border-radius: 8px;
  padding: .875rem 1rem; font-family: var(--font-mono); font-size: .75rem;
  color: var(--brass); overflow-x: auto; white-space: pre-wrap; word-break: break-all;
}

/* Dashboard tool cards */
.zf-tool-card {
  background: var(--ink-900); border: 1px solid var(--ink-border-soft); border-radius: var(--radius-lg);
  padding: 1.5rem; display: flex; flex-direction: column; gap: .875rem;
  text-decoration: none; transition: border-color .15s, transform .15s;
}
.zf-tool-card:hover { border-color: var(--oxblood-border); transform: translateY(-2px); }
.zf-tool-card .icon {
  width: 44px; height: 44px; border-radius: 10px; font-size: 1.4rem;
  display: flex; align-items: center; justify-content: center;
  background: var(--oxblood-soft); border: 1px solid var(--oxblood-border); flex-shrink: 0;
}
.zf-tool-card .cat { font-size: .65rem; text-transform: uppercase; letter-spacing: .1em; color: var(--faint-text); font-weight: 600; }
.zf-tool-card .open-hint { display: flex; align-items: center; gap: .375rem; font-size: .8rem; font-weight: 500; color: var(--oxblood); margin-top: auto; }

/* Toast */
.zf-toast {
  position: fixed; top: 1rem; right: 1rem; z-index: 50;
  background: var(--sage); color: #0d160f; padding: .75rem 1.25rem; border-radius: var(--radius-sm);
  box-shadow: var(--shadow-ink); font-size: .875rem; font-weight: 600;
  display: flex; align-items: center; gap: .5rem;
}

@keyframes zf-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }