/* Carino Fonts — app shell + shared component styles.
   Tab modules build their own DOM inside the sections; these classes
   (.panel .btn .field .toast .row + the modal classes) are the contract they rely on. */

:root {
  --bg: #050505;
  --panel: #0b0b0b;
  --panel2: #0d0d0d;
  --border: #262626;
  --text: #e5e5e5;
  --text-dim: #a3a3a3;
  --text-muted: #666;
  --accent: #eab308;
  --ok: #22c55e;
  --err: #ef4444;
  --radius: 10px;

  --fs-micro: .6rem;
  --fs-label: .65rem;
  --fs-btn: .7rem;
  --fs-sm: .8rem;
  --fs-mono: .85rem;
  --fs-sec: .9rem;
  --fs-body: 1rem;
  --fs-lg: 1.05rem;
  --fs-h3: 1.2rem;
  --fs-h2: 1.5rem;
  --fs-h1: 1.9rem;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: var(--fs-body);
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

h1, h2, h3, h4 { font-family: 'Red Hat Display', sans-serif; font-weight: 900; }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

code, pre, kbd { font-family: 'IBM Plex Mono', monospace; font-size: var(--fs-mono); }

/* ─── Sections fill the remaining viewport ────────────────────── */
main {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

main > section {
  display: none;
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 18px 20px;
}
main > section.active { display: flex; flex-direction: column; gap: 14px; }

/* Editor tab hosts two swappable editors; app.js toggles which shows. */
#editor-pixel, #editor-vector { flex: 1; min-height: 0; display: flex; flex-direction: column; gap: 14px; }

/* ─── Panels ──────────────────────────────────────────────────── */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}

/* ─── Buttons ─────────────────────────────────────────────────── */
.btn {
  font-family: 'IBM Plex Mono', monospace;
  font-size: var(--fs-btn);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text);
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 14px;
  cursor: pointer;
  transition: border-color .15s, background .15s, color .15s, transform .1s;
  user-select: none;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .4; cursor: not-allowed; transform: none; }
.btn:disabled:hover { border-color: var(--border); color: var(--text); }

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #050505;
}
.btn.primary:hover { background: #fde047; border-color: #fde047; color: #050505; }

.btn.danger { border-color: var(--err); color: var(--err); }
.btn.danger:hover { background: var(--err); color: #050505; }

.btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(234, 179, 8, .1);
}

/* ─── Fields ──────────────────────────────────────────────────── */
.field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }

.field > label, label.lbl {
  font-family: 'IBM Plex Mono', monospace;
  font-size: var(--fs-label);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-dim);
}

input[type="text"], input[type="number"], input[type="search"],
input[type="url"], select, textarea {
  font-family: 'IBM Plex Mono', monospace;
  font-size: var(--fs-mono);
  color: var(--text);
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  outline: none;
  transition: border-color .15s;
  max-width: 100%;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
input::placeholder, textarea::placeholder { color: var(--text-muted); }
textarea { resize: vertical; min-height: 80px; line-height: 1.5; }
select { cursor: pointer; }

input[type="checkbox"], input[type="radio"] { accent-color: var(--accent); cursor: pointer; }
input[type="range"] { accent-color: var(--accent); cursor: pointer; }
input[type="color"] {
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px;
  cursor: pointer;
}

/* ─── Toasts ──────────────────────────────────────────────────── */
.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 2147483001; /* above the navbar's stacking context */
  max-width: 360px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  padding: 10px 14px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: var(--fs-sm);
  color: var(--text);
  box-shadow: 0 6px 24px rgba(0, 0, 0, .55);
  animation: toast-in .18s ease-out;
}
.toast.ok { border-left-color: var(--ok); }
.toast.err { border-left-color: var(--err); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Misc shared bits ────────────────────────────────────────── */
.dim { color: var(--text-dim); }
.muted { color: var(--text-muted); }
.mono { font-family: 'IBM Plex Mono', monospace; font-size: var(--fs-mono); }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

hr { border: none; border-top: 1px solid var(--border); }

a { color: var(--accent); }
a:hover { filter: brightness(1.15); }

::selection { background: rgba(234, 179, 8, .3); }

/* ─── Scrollbars ──────────────────────────────────────────────── */
* { scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: var(--border); border-radius: 5px; }
*::-webkit-scrollbar-thumb:hover { background: #3a3a3a; }

/* ─── Responsive (designed for 1024px+) ───────────────────────── */
@media (max-width: 1024px) {
  main > section { padding: 14px 12px; }
}

/* ── Modals (Preview / Export popups) ─────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0, 0, 0, 0.65);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 32px 16px 24px; overflow-y: auto;
}
.modal-box {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius);
  width: min(960px, 100%);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.55);
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--border);
}
.modal-head h3 {
  font-family: "Red Hat Display", sans-serif; font-weight: 900;
  font-size: var(--fs-h3); margin: 0;
}
.modal-close { padding: 4px 10px; }
.modal-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 14px; }
.modal-box.wide { width: min(1520px, 100%); }