/* Shared receipt and extension signature styles. */
.sig-x.sig-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(15, 23, 42, .55);
  backdrop-filter: blur(2px);
  overscroll-behavior: contain;
}
.sig-x .sig-dialog {
  width: min(680px, 100%);
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: .8rem;
  border: 1px solid #e2e8f0;
  box-shadow: 0 24px 70px rgba(15, 23, 42, .28);
  overflow: hidden;
}
.sig-x.sig-backdrop--expanded { padding: .5rem; }
.sig-x.sig-backdrop--expanded .sig-dialog {
  width: min(1100px, 100%);
  max-height: calc(100vh - 1rem);
}
.sig-x .sig-dialog-header {
  flex: 0 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid #f1f5f9;
  background: #f8fafc;
}
.sig-x .sig-dialog-header h4 { margin: 0 0 .15rem; font-size: 1rem; color: #1e293b; }
.sig-x .sig-dialog-header p { margin: 0; font-size: .82rem; color: #64748b; }
.sig-x .sig-close-btn {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border: 1px solid #e2e8f0;
  border-radius: 999px;
  background: #fff;
  color: #475569;
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.sig-x .sig-close-btn:hover { background: #f1f5f9; }
.sig-x .sig-dialog-body {
  padding: 1.25rem;
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
}

/* ---- Pole podpisu (modal + sekcja edycji) ---- */
.sig-x .sig-mode-selector { display: flex; flex-wrap: wrap; gap: .4rem 1rem; margin-bottom: .85rem; }
.sig-x .sig-mode-opt {
  display: inline-flex; align-items: center; gap: .35rem;
  font-size: .85rem; color: #334155; margin: 0; cursor: pointer;
}
.sig-x .sig-mode-group.is-disabled { opacity: .4; pointer-events: none; filter: grayscale(1); }
.sig-x .sig-field-group { margin-bottom: .75rem; }
.sig-x .sig-field-heading {
  display: flex; align-items: center; justify-content: space-between;
  gap: .75rem; margin-bottom: .35rem;
}
.sig-x .sig-field-heading .sig-field-label { margin-bottom: 0; }
.sig-x .sig-pad-wrapper {
  position: relative;
  padding: 8px;
  border: 2px dashed #cbd5e1;
  border-radius: .6rem;
  background: #f8fafc;
  overscroll-behavior: contain;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
.sig-x .sig-pad-wrapper::after {
  content: "";
  position: absolute;
  inset: 16px;
  z-index: 0;
  border: 1px solid rgba(148, 163, 184, .22);
  border-radius: .25rem;
  pointer-events: none;
}
.sig-x .sig-pad-wrapper.is-pointer-over {
  border-color: var(--pico-primary, #2563eb);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}
.sig-x .sig-pad-wrapper.is-drawing {
  border-style: solid;
  border-color: var(--pico-primary, #2563eb);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, .14);
}
.sig-x .sig-pad {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  border-radius: .4rem;
  background: #fff;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  cursor: crosshair;
}
.sig-x .sig-pad-actions {
  display: flex; flex-direction: column; align-items: center;
  gap: .55rem; margin-top: .5rem; text-align: center;
}
.sig-x .sig-pad-buttons { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: .45rem; }
.sig-x .sig-pad-buttons button { margin: 0; width: auto; }
.sig-x .sig-pad-tool { padding: .3rem .7rem; font-size: .78rem; }
.sig-x .sig-pad-hint { color: #64748b; font-size: .74rem; }
.sig-x .sig-field-label { display: block; font-size: .82rem; font-weight: 600; color: #475569; margin-bottom: .35rem; }
.sig-x .sig-hint { display: block; margin-top: .3rem; font-size: .72rem; color: #94a3b8; }
.sig-x .sig-errors { margin: .25rem 0 .65rem; font-size: .78rem; color: #dc2626; }

/* ---- Akcje modalu (przyciski) ---- */
.sig-x .sig-dialog-actions {
  display: flex; justify-content: flex-end; gap: .6rem;
  margin-top: 1rem; padding-top: .75rem; border-top: 1px solid #f1f5f9;
}
.sig-x .sig-btn-save {
  background: var(--pico-primary);
  color: white; border: none;
  padding: .45rem 1.5rem; border-radius: .4rem; font-weight: 600; cursor: pointer;
}
.sig-x .sig-btn-cancel {
  background: #fff; border: 1px solid #cbd5e1; color: #64748b;
  padding: .45rem 1.25rem; border-radius: .4rem; cursor: pointer;
}
.sig-x .sig-btn-cancel:disabled { opacity: .5; cursor: not-allowed; }

/* ---- Sekcja podpisu przedłużenia w formularzu edycji ---- */
.ext-sig-section { margin-top: .5rem; }
.ext-sig-section.is-locked { opacity: .5; pointer-events: none; filter: grayscale(1); }
.ext-sig-lock-note { font-size: .78rem; color: #64748b; margin: .25rem 0 .5rem; }

/* ---- Podgląd podpisu w historii (globalne, unikatowe nazwy) ---- */
.sig-view { display: inline-flex; flex-direction: column; gap: .3rem; }
.sig-view-img {
  max-width: 220px; max-height: 120px;
  border: 1px solid #e2e8f0; border-radius: .4rem; background: #f8fafc;
  padding: .3rem; object-fit: contain; cursor: zoom-in;
}
.sig-view-actions { display: flex; gap: .6rem; font-size: .76rem; }

.sig-lightbox-backdrop {
  position: fixed; inset: 0; z-index: 10000;
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem; background: rgba(15, 23, 42, .8); cursor: zoom-out;
}
.sig-lightbox-img {
  max-width: 100%; max-height: 100%;
  background: #fff; border-radius: .4rem; padding: .5rem;
  box-shadow: 0 24px 70px rgba(0, 0, 0, .5);
}

@media (max-width: 640px) {
  .sig-x.sig-backdrop { padding: .5rem; }
  .sig-x .sig-dialog { max-height: calc(100vh - 1rem); }
  .sig-x .sig-dialog-body { padding: 1rem; }
  .sig-x .sig-field-heading { align-items: flex-start; }
  .sig-x .sig-dialog-actions > button { flex: 1 1 0; }
}

.sig-preview { display: flex; flex-direction: column; align-items: center; gap: .4rem; padding: .75rem; border-radius: .6rem; background: #f8fafc; margin: .25rem 0 1rem; }
.sig-preview.has-signature { border: 2px solid #cbd5e1; }
.sig-preview.is-empty { border: 2px dashed #cbd5e1; }
.sig-preview-label { font-size: .82rem; font-weight: 600; color: #475569; }
.sig-preview-img { display: block; max-width: 100%; max-height: 140px; object-fit: contain; }
.sig-preview-empty { font-size: .85rem; color: #94a3b8; }
.signature-submit-errors { white-space: pre-line; color: #b91c1c; padding: .75rem; border: 1px solid #fecaca; border-radius: .4rem; margin-bottom: 1rem; }
.signature-submit-errors[hidden] { display: none; }
.sig-submit-field-error { white-space: pre-line; color: #b91c1c; font-size: .85rem; margin-top: .25rem; }
.sig-diagnostics { font-size: .8rem; margin: .75rem 0; }
.sig-diagnostics p { margin-bottom: .25rem; }

.sig-x .sig-pad-tool { min-height: 40px; }

/* Signature preview stays in the form; tablet signing uses the full monitor. */
.sig-x .sig-pad-wrapper { max-width: 640px; margin-inline: auto; }
.sig-x .sig-current-img { max-width: 100%; max-height: 140px; object-fit: contain; }

.sig-x .sig-tablet-controls { margin: .5rem 0; }
.sig-x .sig-tablet-controls button { margin: .2rem .3rem .2rem 0; }
.sig-x .sig-tablet-buttons { display: flex; flex-wrap: wrap; gap: .5rem; }
.sig-x .sig-tablet-buttons > button {
  width: auto; margin: 0; min-height: 44px;
  padding: var(--pico-form-element-spacing-vertical, .75rem) var(--pico-form-element-spacing-horizontal, 1rem);
  border-width: var(--pico-border-width, 1px); border-style: solid;
  font-size: 1rem; font-weight: var(--pico-font-weight, 400); line-height: var(--pico-line-height, 1.5);
}
.sig-x .sig-tablet-buttons > .sig-btn-save { border-color: transparent; }
.sig-x .sig-label-short { display: none; }
@media (max-width: 640px) {
  .sig-x .sig-label-long { display: none; }
  .sig-x .sig-label-short { display: inline; }
}
.sig-x .sig-tablet-settings { margin: .75rem 0; padding: .75rem; border: 1px solid #cbd5e1; border-radius: .4rem; font-size: .8rem; }
.sig-x .sig-tablet-settings label { display: block; }
.sig-x .sig-tablet-settings[hidden] { display: none; }
.sig-tablet-stage {
  position: fixed; inset: 0; width: 100%; height: 100%; box-sizing: border-box;
  display: flex; align-items: center; justify-content: center;
  background: #172337; color: #fff; z-index: 10010;
  overflow: hidden; cursor: none; touch-action: none; user-select: none;
}
.sig-tablet-stage * { pointer-events: none; box-sizing: border-box; }
.sig-tablet-heading { position: absolute; top: 16px; left: 20px; right: 20px; text-align: center; }
.sig-tablet-heading > strong { display: block; color: #fff; font: 650 clamp(24px, 3.4vh, 36px)/1.2 system-ui, sans-serif; }
.sig-tablet-shortcuts { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 860px; margin: clamp(12px, 2vh, 24px) auto 0; }
.sig-tablet-shortcut { min-width: 0; }
.sig-tablet-keys { display: flex; align-items: center; justify-content: center; gap: 12px; }
.sig-tablet-keys kbd { display: inline-flex; align-items: center; justify-content: center; min-width: clamp(64px, 9vh, 104px); height: clamp(48px, 7vh, 80px); padding: 0 16px; border: 3px solid #fff; border-bottom-width: 6px; border-radius: 16px; background: transparent; color: #fff; box-shadow: none; font: 700 clamp(24px, 3vh, 34px)/1 system-ui, sans-serif; }
.sig-tablet-key-plus { color: #fff; font: 400 clamp(26px, 4vh, 42px)/1 system-ui, sans-serif; }
.sig-tablet-shortcut p { margin: 10px 0 0; color: #fff; font: 650 clamp(18px, 2.6vh, 28px)/1.25 system-ui, sans-serif; }
.sig-tablet-shortcut-label, .sig-tablet-shortcut-detail { display: block; }
.sig-tablet-shortcut:first-child .sig-tablet-shortcut-label { text-transform: uppercase; letter-spacing: .025em; }
.sig-tablet-shortcut-detail { margin-top: 4px; color: #d9e4f2; font-size: .85em; font-weight: 500; }
.sig-tablet-undo-hint { margin: 10px 0 0; color: #d9e4f2; font: 16px/1.4 system-ui, sans-serif; }
.sig-tablet-undo-hint kbd { padding: 2px 7px; border: 1px solid #d9e4f2; border-bottom-width: 2px; border-radius: 5px; color: inherit; background: transparent; font: inherit; }
.sig-tablet-message { color: #fff; font: 15px/1.4 system-ui, sans-serif; margin: 6px 0; }
@media (max-width: 600px), (max-height: 650px) {
  .sig-tablet-heading { top: 12px; left: 12px; right: 12px; }
  .sig-tablet-heading > strong { font-size: 24px; }
  .sig-tablet-shortcuts { gap: 16px; margin-top: 12px; }
  .sig-tablet-keys { gap: 8px; }
  .sig-tablet-keys kbd { min-width: 56px; height: 44px; padding: 0 10px; border-width: 2px; border-bottom-width: 4px; border-radius: 10px; font-size: 22px; }
  .sig-tablet-key-plus { font-size: 26px; }
  .sig-tablet-shortcut p { margin-top: 8px; font-size: 18px; }
}
@media (max-height: 650px) {
  .sig-tablet-heading > strong { font-size: 22px; }
  .sig-tablet-shortcuts { margin-top: 8px; }
  .sig-tablet-shortcut p { font-size: 16px; margin-top: 6px; }
  .sig-tablet-shortcut-detail { display: none; }
  .sig-tablet-undo-hint { margin-top: 8px; font-size: 14px; }
}
.sig-tablet-message { position: absolute; bottom: 12px; left: 20px; right: 20px; text-align: center; }
.sig-tablet-frame { position: relative; flex: none; background: #fff; outline: 2px solid #96b8e2; }
.sig-tablet-frame .sig-pad { display: block; width: 100%; height: 100%; margin: 0; padding: 0; border: 0; border-radius: 0; }
.sig-tablet-cursor { position: absolute; width: 12px; height: 12px; border: 2px solid #d82042;
  border-radius: 50%; transform: translate(-50%, -50%); }
.sig-tablet-cursor[hidden] { display: none; }

/* Explicit loading, save and scratch-test states. */
.signature-save-progress { padding: .75rem; background: #eff6ff; color: #1e3a8a; border-radius: .4rem; margin-bottom: .75rem; }
.signature-save-progress button { margin: .5rem 0 0; min-height: 44px; }
.signature-save-progress[hidden], .sig-x .js-tablet-retry[hidden],
.sig-x .sig-removal-notice[hidden], .sig-tablet-actions button[hidden] { display: none; }
.sig-x .sig-removal-notice { color: #9a3412; background: #fff7ed; padding: .65rem; border-radius: .4rem; }
.sig-x .sig-hint { color: #64748b; }
.sig-x .sig-test-pad { display: block; width: 100%; max-width: 600px; height: auto; background: white; border: 1px dashed #64748b; touch-action: none; }
.sig-x .sig-btn-save:disabled { opacity: .5; cursor: not-allowed; }
.sig-tablet-actions { position: absolute; bottom: 70px; left: 12px; right: 12px; display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.sig-tablet-actions button { pointer-events: auto; cursor: pointer; min-height: 44px; width: auto; margin: 0; padding: 8px 16px; background: white; color: #172337; border: 2px solid #96b8e2; border-radius: 6px; font: 600 15px/1.3 system-ui, sans-serif; }
.sig-tablet-actions button:focus-visible { outline: 3px solid #fbbf24; outline-offset: 3px; }
.sig-tablet-actions button:disabled { opacity: .5; }