/* ==========================================================================
   app.css — interfejs generatora (index.html)
   ========================================================================== */

:root {
  --bg: #f7f8fa;
  --panel: #ffffff;
  --text: #101828;
  --muted: #667085;
  --faint: #98a2b3;
  --border: #e4e8ee;
  --border-strong: #d0d6df;
  --accent: #2563eb;
  --danger: #dc2626;
  --radius: 16px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, .05);
  --shadow: 0 1px 3px rgba(16, 24, 40, .06), 0 10px 30px rgba(16, 24, 40, .06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1014;
    --panel: #161920;
    --text: #eef1f6;
    --muted: #98a2b3;
    --faint: #6c7689;
    --border: #262a33;
    --border-strong: #333844;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);
    --shadow: 0 1px 3px rgba(0, 0, 0, .3), 0 10px 30px rgba(0, 0, 0, .3);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }

/* ---- Gorny pasek ------------------------------------------------------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}

.topbar__mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
}

.topbar__mark svg { width: 19px; height: 19px; }

.topbar__title { font-size: 15.5px; font-weight: 620; letter-spacing: -.01em; }
.topbar__sub { font-size: 13px; color: var(--muted); }
.topbar__spacer { flex: 1; }

/* ---- Uklad ------------------------------------------------------------- */

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 32px;
  align-items: start;
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

@media (max-width: 1000px) {
  .layout { grid-template-columns: minmax(0, 1fr); gap: 24px; padding: 20px 16px 64px; }
}

.col-form { display: flex; flex-direction: column; gap: 18px; min-width: 0; }

.col-side {
  position: sticky;
  top: 84px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

@media (max-width: 1000px) {
  .col-side { position: static; }
}

/* ---- Panele ------------------------------------------------------------ */

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

.panel__head {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  padding: 16px 20px;
  background: none;
  border: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.panel__head[aria-expanded] .panel__chev { transition: transform .2s ease; }
.panel__head[aria-expanded="true"] .panel__chev { transform: rotate(180deg); }

.panel__ic {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  border-radius: 9px;
  background: color-mix(in srgb, var(--accent) 11%, transparent);
  color: var(--accent);
}

.panel__ic svg { width: 16px; height: 16px; }

.panel__label { flex: 1; font-size: 15px; font-weight: 600; letter-spacing: -.01em; }
.panel__hint { font-size: 13px; font-weight: 400; color: var(--muted); }
.panel__chev { color: var(--faint); }
.panel__chev svg { width: 18px; height: 18px; display: block; }

.panel__body { padding: 0 20px 20px; }
.panel__body[hidden] { display: none; }

/* ---- Pola formularza --------------------------------------------------- */

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .grid2 { grid-template-columns: 1fr; } }

.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }

/* Odstepy tylko miedzy blokami ulozonymi jeden pod drugim — nie miedzy
   kolumnami wewnatrz .grid2 (te rozdziela wlasny gap). */
.panel__body > * + * { margin-top: 14px; }

.field label {
  font-size: 13.5px;
  font-weight: 550;
  color: var(--text);
}

.field label .req { color: var(--danger); }

.field .help { font-size: 12.5px; color: var(--muted); }

input[type="text"], input[type="tel"], input[type="email"], input[type="url"], textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--border-strong);
  border-radius: 11px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-size: 14.5px;
  transition: border-color .15s ease, box-shadow .15s ease;
}

input::placeholder, textarea::placeholder { color: var(--faint); }

input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

textarea { resize: vertical; min-height: 92px; line-height: 1.55; }

/* ---- Wybor serwisow spolecznosciowych ---------------------------------- */

.social-pick {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.social-pick button {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  background: var(--panel);
  /* --brand-lt: przyciemniony wariant dla marek gubiacych sie na bialym tle (Snapchat) */
  color: var(--brand-lt, var(--brand));
  cursor: pointer;
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
}

.social-pick button svg { width: 20px; height: 20px; }
.social-pick button:hover { transform: translateY(-2px); border-color: var(--brand); }

.social-pick button[aria-pressed="true"] {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

/* Marki o niemal czarnym znaku (X, TikTok, GitHub, Threads) znikaja na ciemnym
   interfejsie — na ciemnym motywie rysujemy je kolorem --brand-dk. */
@media (prefers-color-scheme: dark) {
  .social-pick button { color: var(--brand-dk, var(--brand)); }
  .social-pick button:hover { border-color: var(--brand-dk, var(--brand)); }
  .social-pick button[aria-pressed="true"] { border-color: var(--brand-dk, var(--brand)); }
}

.social-list { display: flex; flex-direction: column; gap: 10px; }
.social-list:empty { display: none; }

.social-row { display: flex; align-items: center; gap: 10px; }

.social-row__ic {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  /* delikatna obwodka — czarne znaki nie zlewaja sie z ciemnym tlem */
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .16);
}

.social-row__ic svg { width: 18px; height: 18px; }
.social-row input { flex: 1; min-width: 0; }

.social-row__del {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--faint);
  cursor: pointer;
}

.social-row__del:hover { background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); }
.social-row__del svg { width: 16px; height: 16px; }

/* ---- Kolory i motyw ---------------------------------------------------- */

.swatches { display: flex; flex-wrap: wrap; gap: 9px; align-items: center; }

.swatch {
  width: 30px;
  height: 30px;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 50%;
  cursor: pointer;
  background: var(--c);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .08);
  transition: transform .15s ease;
}

.swatch:hover { transform: scale(1.1); }
.swatch[aria-pressed="true"] { border-color: var(--text); }

input[type="color"] {
  width: 42px;
  height: 30px;
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: none;
  cursor: pointer;
}

.seg { display: inline-flex; padding: 3px; border: 1px solid var(--border-strong); border-radius: 11px; }

.seg button {
  padding: 7px 15px;
  border: 0;
  border-radius: 8px;
  background: none;
  color: var(--muted);
  font: inherit;
  font-size: 13.5px;
  font-weight: 550;
  cursor: pointer;
}

.seg button[aria-pressed="true"] { background: var(--accent); color: #fff; }

/* ---- Zdjecie ----------------------------------------------------------- */

.photo-row { display: flex; align-items: center; gap: 14px; }

.photo-prev {
  width: 62px;
  height: 62px;
  flex: 0 0 auto;
  border-radius: 50%;
  overflow: hidden;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  color: var(--faint);
}

.photo-prev img { width: 100%; height: 100%; object-fit: cover; }
.photo-prev svg { width: 22px; height: 22px; }

/* ---- Przyciski --------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 16px;
  border: 1px solid var(--border-strong);
  border-radius: 11px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  font-weight: 550;
  cursor: pointer;
  text-decoration: none;
  transition: border-color .15s ease, background .15s ease, transform .15s ease;
}

.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn svg { width: 17px; height: 17px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; transform: none; }

.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--accent) 30%, transparent);
}

.btn--primary:hover { color: #fff; filter: brightness(1.06); }
.btn--wide { width: 100%; }
.btn--sm { padding: 8px 12px; font-size: 13px; }

/* ---- Podglad telefonu -------------------------------------------------- */

.phone {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 32px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.phone__screen {
  max-height: 560px;
  overflow-y: auto;
  border-radius: 22px;
  background: var(--bg);
  scrollbar-width: thin;
}

.phone__screen::-webkit-scrollbar { width: 6px; }
.phone__screen::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }

/* ---- Panel kodu QR ----------------------------------------------------- */

.qr-panel { padding: 20px; text-align: center; }

.qr-holder {
  display: inline-grid;
  place-items: center;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  min-height: 180px;
  min-width: 180px;
}

.qr-holder svg { width: 168px; height: 168px; display: block; }

.qr-meta { margin-top: 10px; font-size: 12.5px; color: var(--muted); }

.qr-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: 16px; }
.qr-actions .btn--wide { grid-column: 1 / -1; }

.linkbox {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 14px;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--bg);
}

.linkbox input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: none;
  padding: 0;
  font-size: 12.5px;
  color: var(--muted);
  text-overflow: ellipsis;
}

.linkbox input:focus { box-shadow: none; }

/* ---- Komunikaty -------------------------------------------------------- */

.note {
  display: flex;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.5;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: var(--text);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
}

.note svg { width: 17px; height: 17px; flex: 0 0 auto; color: var(--accent); margin-top: 1px; }

.note--warn {
  background: color-mix(in srgb, #f59e0b 12%, transparent);
  border-color: color-mix(in srgb, #f59e0b 35%, transparent);
}

.note--warn svg { color: #b45309; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translate(-50%, 16px);
  padding: 11px 18px;
  border-radius: 11px;
  background: #101828;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .25);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
  z-index: 60;
}

.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}