:root {
  --bg: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --border: #e2e8f0;
  --panel: #ffffff;
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  --green: #16a34a;
  --green-hover: #15803d;
  --focus: 0 0 0 4px rgba(34, 197, 94, 0.18);
}

@font-face {
  font-family: "Pismo szkolne";
  src: url("pismo-szkolne.ttf") format("truetype");
  font-display: swap;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial,
    "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
}

.container {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  border-bottom: 1px solid var(--border);
  background: #fff;
}

.topbar .container {
  padding: 20px 0;
}

h1 {
  font-size: 20px;
  margin: 0 0 6px;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.app {
  display: grid;
  gap: 16px;
  padding: 18px 0 26px;
}

@media (min-width: 920px) {
  .app {
    grid-template-columns: 360px 1fr;
    align-items: start;
  }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.panel--controls {
  padding: 16px;
  font-size: 15px;
}

.controls {
  display: grid;
  gap: 14px;
}

.field label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 6px;
}

.labelRow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}

.labelRow label {
  margin: 0;
}

.btn--small {
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 14px;
  line-height: 1;
  white-space: nowrap;
}

input[type="text"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  outline: none;
  font-size: 15px;
}

input[type="text"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus,
button:focus {
  box-shadow: var(--focus);
}

textarea {
  resize: vertical;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 18px;
  line-height: 1.45;
}

.row2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.hint {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.checkbox {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 6px;
  color: var(--text);
  font-size: 14px;
}

.checkbox input {
  width: 16px;
  height: 16px;
}

.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 4px;
}

.btn {
  appearance: none;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  font-weight: 700;
  cursor: pointer;
  background: #fff;
  color: var(--text);
  font-size: 15px;
}

.btn--secondary:hover {
  background: #f8fafc;
}

.btn--primary {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}

.btn--primary:hover {
  background: var(--green-hover);
  border-color: var(--green-hover);
}

.status {
  min-height: 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.panel--preview {
  padding: 14px;
}

.previewHeader h2 {
  margin: 2px 0 6px;
  font-size: 16px;
}

.previewHeader .hint {
  margin-top: 0;
}

.previewCanvasWrap {
  margin-top: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: #f8fafc;
  padding: 12px;
}

canvas#preview {
  width: 100%;
  height: auto;
  display: block;
  background: #fff;
  border-radius: 10px;
}

.footer {
  border-top: 1px solid var(--border);
  background: #fff;
}

.footer .container {
  padding: 16px 0;
  color: var(--muted);
}

.modalBackdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(2px);
  z-index: 50;
}

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 60;
  padding: 16px;
}

.modalCard {
  width: min(620px, 100%);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.modalHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}

.modalHeader h3 {
  margin: 0;
  font-size: 15px;
}

.iconBtn {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

.iconBtn:hover {
  background: #f8fafc;
}

.modalBody {
  padding: 14px 16px 16px;
  display: grid;
  gap: 14px;
}

.radioGrid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 10px;
}

.radio {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 13px;
  color: var(--text);
}

.radio input {
  width: 16px;
  height: 16px;
}

.modalActions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}