/*
  app.css
  App-shell og tre-panel desktoplayout.

  Stabilitetsprincip: siden som helhed scroller ikke. Kun venstre kontrolpanel
  har sit eget scroll-omraade. Preview i midten staar stabilt og scroller aldrig
  ud af syne, mens man arbejder i venstre panel. Ingen vandret scroll.
*/

html,
body {
  height: 100%;
}

body {
  overflow: hidden; /* siden scroller ikke, kun panelernes egne omraader */
}

.app {
  display: grid;
  grid-template-rows: auto 1fr;
  height: 100vh;
  height: 100dvh;
}

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--space-3);
  height: 64px;
  background: var(--color-paper);
  border-bottom: var(--hairline);
  box-shadow: var(--shadow-card);
  z-index: 10;
}

.topbar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
}

.topbar__logo {
  height: 42px;
  width: auto;
  object-fit: contain;
}

.topbar__title {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-neutral-dark);
  white-space: nowrap;
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: auto;
  flex-wrap: wrap;
}

/* Fælles knapper til topbar, editor og dialoger. */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: var(--touch-min);
  padding: 0 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink);
  background: var(--color-neutral-light);
  border: 1px solid transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.btn:hover {
  background: #e6e0d4;
}

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

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

.btn--ghost {
  background: transparent;
  border-color: var(--color-neutral-light);
}

.btn[disabled],
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn__tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-neutral-dark);
  background: rgba(74, 72, 66, 0.12);
  border-radius: 999px;
  padding: 2px 6px;
}

/* Arbejdsflade, tre kolonner */
.workspace {
  display: grid;
  grid-template-columns: minmax(340px, 400px) minmax(0, 1fr) minmax(300px, 360px);
  min-height: 0; /* tillader at bornene faar egen scroll */
  overflow: hidden;
}

.panel {
  min-height: 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.panel--control {
  border-right: var(--hairline);
  background: var(--color-paper);
}

.panel--preview {
  background: var(--color-neutral-light);
}

.panel--quality {
  border-left: var(--hairline);
  background: var(--color-paper);
}

/* Panel-hoved, fast. Panel-krop, scrollbar hvor relevant. */
.panel__head {
  flex: 0 0 auto;
  padding: var(--space-2) var(--space-3);
  border-bottom: var(--hairline);
  background: var(--color-paper);
}

.panel__title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-neutral-dark);
}

.panel__body {
  flex: 1 1 auto;
  min-height: 0;
}

/* Kun kontrol- og kvalitetspanel har eget scroll. Preview staar fast. */
.panel--control .panel__body,
.panel--quality .panel__body {
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  padding: var(--space-3);
}

/* Sektioner i kontrolpanelet */
.section {
  margin-bottom: var(--space-3);
}

.section__title {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: var(--space-1);
}

.section__hint {
  font-size: var(--ui-help-size);
  color: var(--color-neutral-dark);
  margin-bottom: var(--space-2);
}

.divider {
  height: 1px;
  background: var(--color-neutral-light);
  margin: var(--space-3) 0;
}

/* Diskret toast til korte statusbeskeder */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(8px);
  max-width: 90vw;
  padding: 12px 18px;
  font-size: 14px;
  color: #fff;
  background: var(--color-neutral-dark);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-panel);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-soft), transform var(--transition-soft);
  z-index: 50;
}

.toast[data-visible="true"] {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* V2.4: defensive breddegraenser mod horisontal scrolling. */
html,
body,
.app,
.topbar,
.workspace,
.panel,
.panel__body {
  max-width: 100%;
}

body {
  overflow-x: hidden;
}

.topbar__actions,
.filename-row,
.export-btn-row,
.modal,
.modal__body {
  min-width: 0;
}