/* =============================================================================
   AI Groove – Wiederverwendbare Bausteine
   ========================================================================== */

/* --- Flaechen -------------------------------------------------------------- */

.glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  border: 1px solid var(--c-border);
  box-shadow: var(--sh-2), inset 0 1px 0 var(--glass-hi);
}

.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1), inset 0 1px 0 var(--glass-hi);
}

.panel {
  background: color-mix(in srgb, var(--c-bg-elev) 82%, transparent);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
}

.divider {
  height: 1px;
  background: var(--c-border);
  border: 0;
  margin: var(--s-3) 0;
}

/* --- Buttons --------------------------------------------------------------- */

.btn {
  --btn-bg: var(--c-surface-2);
  --btn-fg: var(--c-text);
  --btn-bd: var(--c-border);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  min-height: 40px;
  padding: 0 var(--s-4);
  border-radius: var(--r-sm);
  border: 1px solid var(--btn-bd);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-size: var(--fs-md);
  font-weight: 560;
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition:
    transform var(--d-fast) var(--e-spring),
    background var(--d-fast) var(--e-out),
    border-color var(--d-fast) var(--e-out),
    box-shadow var(--d-fast) var(--e-out),
    opacity var(--d-fast) linear;
  box-shadow: var(--sh-1), inset 0 1px 0 var(--glass-hi);
  -webkit-user-select: none;
  user-select: none;
}

.btn:hover:not(:disabled) {
  background: var(--c-surface-3);
  border-color: var(--c-border-strong);
}

.btn:active:not(:disabled) {
  transform: scale(0.965);
}

.btn:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.btn--primary {
  --btn-bg: linear-gradient(180deg, var(--c-accent-soft), var(--c-accent));
  --btn-fg: var(--c-accent-ink);
  --btn-bd: transparent;
  box-shadow: var(--sh-glow);
}

.btn--primary:hover:not(:disabled) {
  background: linear-gradient(180deg, var(--c-accent-soft), var(--c-accent-soft));
  filter: brightness(1.06);
}

.btn--ghost {
  --btn-bg: transparent;
  --btn-bd: transparent;
  box-shadow: none;
  color: var(--c-text-dim);
}

.btn--ghost:hover:not(:disabled) {
  color: var(--c-text);
  background: var(--c-surface-2);
}

.btn--danger {
  --btn-fg: var(--c-err);
  --btn-bd: color-mix(in srgb, var(--c-err) 40%, transparent);
  --btn-bg: color-mix(in srgb, var(--c-err) 12%, transparent);
}

.btn--sm {
  min-height: 32px;
  padding: 0 var(--s-3);
  font-size: var(--fs-sm);
  border-radius: var(--r-xs);
}

.btn--lg {
  min-height: 52px;
  padding: 0 var(--s-5);
  font-size: var(--fs-lg);
  border-radius: var(--r-md);
}

.btn--icon {
  min-width: 40px;
  padding: 0;
}

.btn--icon.btn--sm {
  min-width: 32px;
}

.btn--block {
  width: 100%;
}

.btn[aria-pressed='true'] {
  --btn-bg: color-mix(in srgb, var(--c-accent) 26%, transparent);
  --btn-bd: color-mix(in srgb, var(--c-accent) 55%, transparent);
  color: var(--c-text);
}

.btn--rec[aria-pressed='true'] {
  --btn-bg: color-mix(in srgb, var(--c-rose) 30%, transparent);
  --btn-bd: color-mix(in srgb, var(--c-rose) 65%, transparent);
  animation: rec-blink 1.4s var(--e-in-out) infinite;
}

@keyframes rec-blink {
  0%,
  100% {
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--c-rose) 55%, transparent);
  }
  50% {
    box-shadow: 0 0 0 6px color-mix(in srgb, var(--c-rose) 0%, transparent);
  }
}

/* Der grosse "+"-Button */
.btn-add {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  width: 100%;
  min-height: 48px;
  border: 1px dashed color-mix(in srgb, var(--c-accent) 45%, var(--c-border));
  border-radius: var(--r-md);
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--c-accent) 16%, transparent),
    color-mix(in srgb, var(--c-mint) 10%, transparent)
  );
  color: var(--c-text);
  font-weight: 620;
  letter-spacing: -0.01em;
  overflow: hidden;
  transition: transform var(--d-fast) var(--e-spring), box-shadow var(--d-med) var(--e-out);
}

.btn-add:hover {
  box-shadow: var(--sh-glow);
}

.btn-add:active {
  transform: scale(0.98);
}

.btn-add__plus {
  font-size: 20px;
  line-height: 1;
  font-weight: 400;
  transition: transform var(--d-med) var(--e-spring);
}

.btn-add:hover .btn-add__plus {
  transform: rotate(90deg);
}

/* --- Formulare ------------------------------------------------------------- */

.field {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.field__label {
  font-size: var(--fs-sm);
  font-weight: 580;
  color: var(--c-text-dim);
  letter-spacing: 0.01em;
}

.field__hint {
  font-size: var(--fs-xs);
  color: var(--c-text-faint);
  line-height: 1.5;
}

.input,
.select,
.textarea {
  width: 100%;
  min-height: 42px;
  padding: 9px var(--s-3);
  border-radius: var(--r-sm);
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  color: var(--c-text);
  font-size: var(--fs-md);
  transition: border-color var(--d-fast) var(--e-out), box-shadow var(--d-fast) var(--e-out);
  appearance: none;
  -webkit-appearance: none;
}

.textarea {
  min-height: 96px;
  resize: vertical;
  line-height: 1.5;
}

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--c-accent) 60%, transparent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-accent) 22%, transparent);
}

.select {
  padding-right: 34px;
  background-image: linear-gradient(45deg, transparent 50%, var(--c-text-dim) 50%),
    linear-gradient(135deg, var(--c-text-dim) 50%, transparent 50%);
  background-position: calc(100% - 17px) 18px, calc(100% - 12px) 18px;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

.input--mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* Schalter */
.switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
}

.switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.switch__track {
  flex: none;
  width: 46px;
  height: 27px;
  border-radius: var(--r-pill);
  background: var(--c-surface-3);
  border: 1px solid var(--c-border);
  transition: background var(--d-med) var(--e-out);
  position: relative;
}

.switch__track::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: var(--c-text);
  box-shadow: var(--sh-1);
  transition: transform var(--d-med) var(--e-spring), background var(--d-med) var(--e-out);
}

.switch input:checked + .switch__track {
  background: var(--c-accent);
  border-color: transparent;
}

.switch input:checked + .switch__track::after {
  transform: translateX(19px);
  background: #fff;
}

.switch input:focus-visible + .switch__track {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-accent) 30%, transparent);
}

/* Schieberegler */
.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 28px;
  background: transparent;
  cursor: pointer;
}

.slider::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: var(--r-pill);
  background: linear-gradient(
    to right,
    var(--c-accent) 0%,
    var(--c-accent) var(--fill, 50%),
    var(--c-surface-3) var(--fill, 50%),
    var(--c-surface-3) 100%
  );
}

.slider::-moz-range-track {
  height: 6px;
  border-radius: var(--r-pill);
  background: var(--c-surface-3);
}

.slider::-moz-range-progress {
  height: 6px;
  border-radius: var(--r-pill);
  background: var(--c-accent);
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  margin-top: -7px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.2);
  box-shadow: var(--sh-2);
  transition: transform var(--d-fast) var(--e-spring);
}

.slider::-webkit-slider-thumb:active {
  transform: scale(1.18);
}

.slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.2);
  box-shadow: var(--sh-2);
}

/* Chips / Tags */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 var(--s-3);
  border-radius: var(--r-pill);
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  font-size: var(--fs-xs);
  font-weight: 560;
  color: var(--c-text-dim);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.chip--accent {
  background: color-mix(in srgb, var(--c-accent) 18%, transparent);
  border-color: color-mix(in srgb, var(--c-accent) 40%, transparent);
  color: var(--c-text);
}

.chip--ok {
  background: color-mix(in srgb, var(--c-ok) 16%, transparent);
  border-color: color-mix(in srgb, var(--c-ok) 40%, transparent);
  color: var(--c-ok);
}

.chip--warn {
  background: color-mix(in srgb, var(--c-warn) 16%, transparent);
  border-color: color-mix(in srgb, var(--c-warn) 40%, transparent);
  color: var(--c-warn);
}

/* Segmentierte Auswahl */
.segmented {
  display: inline-flex;
  padding: 3px;
  gap: 2px;
  border-radius: var(--r-sm);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
}

.segmented__btn {
  border: 0;
  background: transparent;
  color: var(--c-text-dim);
  border-radius: 7px;
  min-height: 30px;
  padding: 0 var(--s-3);
  font-size: var(--fs-sm);
  font-weight: 560;
  transition: background var(--d-fast) var(--e-out), color var(--d-fast) var(--e-out);
  white-space: nowrap;
}

.segmented__btn[aria-pressed='true'] {
  background: var(--c-surface-3);
  color: var(--c-text);
  box-shadow: var(--sh-1);
}

/* --- Modal ----------------------------------------------------------------- */

.overlay-root {
  position: fixed;
  inset: 0;
  z-index: 5000;
  pointer-events: none;
}

.overlay-root > * {
  pointer-events: auto;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 6, 12, 0.62);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  animation: fade-in var(--d-med) var(--e-out);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--s-4) + var(--safe-t)) var(--s-4) calc(var(--s-4) + var(--safe-b));
}

.modal {
  width: min(680px, 100%);
  max-height: min(88dvh, 900px);
  display: flex;
  flex-direction: column;
  border-radius: var(--r-xl);
  background: var(--c-bg-elev);
  border: 1px solid var(--c-border);
  box-shadow: var(--sh-3);
  animation: modal-in var(--d-med) var(--e-spring);
  overflow: hidden;
}

.modal--wide {
  width: min(1040px, 100%);
}

.modal--narrow {
  width: min(460px, 100%);
}

.modal__head {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-4) var(--s-5);
  border-bottom: 1px solid var(--c-border);
  flex: none;
}

.modal__title {
  font-size: var(--fs-xl);
  font-weight: 640;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.modal__body {
  padding: var(--s-5);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  flex: 1;
  min-height: 0;
}

.modal__foot {
  display: flex;
  gap: var(--s-3);
  justify-content: flex-end;
  padding: var(--s-4) var(--s-5);
  border-top: 1px solid var(--c-border);
  flex: none;
  flex-wrap: wrap;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.97);
  }
}

/* --- Toasts ---------------------------------------------------------------- */

.toast-root {
  position: fixed;
  left: 50%;
  bottom: calc(var(--s-5) + var(--safe-b) + var(--tabbar-h));
  transform: translateX(-50%);
  z-index: 6000;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  align-items: center;
  pointer-events: none;
  width: min(440px, calc(100vw - 32px));
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
  gap: var(--s-3);
  width: 100%;
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-md);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  border: 1px solid var(--c-border);
  box-shadow: var(--sh-3);
  font-size: var(--fs-sm);
  animation: toast-in var(--d-med) var(--e-spring);
}

.toast--out {
  animation: toast-out var(--d-med) var(--e-out) forwards;
}

.toast__dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 6px;
  background: var(--c-accent);
}

.toast--ok .toast__dot {
  background: var(--c-ok);
}

.toast--warn .toast__dot {
  background: var(--c-warn);
}

.toast--err .toast__dot {
  background: var(--c-err);
}

.toast__body {
  flex: 1;
  min-width: 0;
}

.toast__title {
  font-weight: 620;
}

.toast__text {
  color: var(--c-text-dim);
  line-height: 1.45;
  word-break: break-word;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.96);
  }
}

@keyframes toast-out {
  to {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
}

/* --- Kontextmenue ---------------------------------------------------------- */

.ctxmenu {
  position: fixed;
  min-width: 210px;
  max-width: min(300px, calc(100vw - 24px));
  padding: 6px;
  border-radius: var(--r-md);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(20px) saturate(170%);
  backdrop-filter: blur(20px) saturate(170%);
  border: 1px solid var(--c-border-strong);
  box-shadow: var(--sh-3);
  z-index: 5500;
  animation: ctx-in var(--d-fast) var(--e-out);
  transform-origin: top left;
  max-height: 70dvh;
  overflow-y: auto;
}

@keyframes ctx-in {
  from {
    opacity: 0;
    transform: scale(0.94);
  }
}

.ctxmenu__item {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  width: 100%;
  min-height: 38px;
  padding: 0 var(--s-3);
  border: 0;
  border-radius: var(--r-xs);
  background: transparent;
  color: var(--c-text);
  font-size: var(--fs-md);
  text-align: left;
  transition: background var(--d-fast) var(--e-out);
}

.ctxmenu__item:hover,
.ctxmenu__item:focus-visible {
  background: var(--c-surface-3);
}

.ctxmenu__item--danger {
  color: var(--c-err);
}

.ctxmenu__item[disabled] {
  opacity: 0.4;
  pointer-events: none;
}

.ctxmenu__kbd {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--c-text-faint);
}

.ctxmenu__sep {
  height: 1px;
  background: var(--c-border);
  margin: 5px 4px;
}

.ctxmenu__label {
  padding: 6px var(--s-3) 4px;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-text-faint);
}

/* --- Fortschritt ----------------------------------------------------------- */

.progress {
  height: 8px;
  border-radius: var(--r-pill);
  background: var(--c-surface-3);
  overflow: hidden;
}

.progress__bar {
  height: 100%;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--c-accent), var(--c-mint));
  width: 0%;
  transition: width 180ms linear;
}

.spinner {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--c-surface-3);
  border-top-color: var(--c-accent);
  animation: spin 700ms linear infinite;
  flex: none;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* --- Drag & Drop ----------------------------------------------------------- */

.drag-ghost {
  position: fixed;
  z-index: 7000;
  pointer-events: none;
  padding: 8px 14px;
  border-radius: var(--r-sm);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--c-accent);
  box-shadow: var(--sh-3);
  font-size: var(--fs-sm);
  font-weight: 600;
  transform: translate(-50%, -140%) scale(1);
  animation: ghost-in 140ms var(--e-spring);
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@keyframes ghost-in {
  from {
    transform: translate(-50%, -140%) scale(0.8);
    opacity: 0;
  }
}

.drop-target {
  position: relative;
}

.drop-target--active {
  box-shadow: 0 0 0 2px var(--c-accent), 0 0 22px -4px color-mix(in srgb, var(--c-accent) 60%, transparent) !important;
  transition: box-shadow var(--d-fast) var(--e-out);
}

/* --- Leerer Zustand -------------------------------------------------------- */

.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s-3);
  padding: var(--s-6) var(--s-4);
  text-align: center;
  color: var(--c-text-faint);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

.empty__icon {
  width: 46px;
  height: 46px;
  border-radius: var(--r-md);
  background: var(--c-surface-2);
  display: grid;
  place-items: center;
  font-size: 22px;
  color: var(--c-text-dim);
}

/* --- Kopfzeilen in Panels -------------------------------------------------- */

.panel-head {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-3) var(--s-4);
  border-bottom: 1px solid var(--c-border);
  flex: none;
  min-height: 48px;
}

.panel-head__title {
  font-size: var(--fs-sm);
  font-weight: 640;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-text-dim);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --- Kleiner Wert-Anzeiger (Zahl mit Drag) --------------------------------- */

.numdrag {
  display: inline-flex;
  align-items: baseline;
  gap: 3px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  cursor: ns-resize;
  -webkit-user-select: none;
  user-select: none;
  touch-action: none;
}

/* --- Waveform-Vorschau ----------------------------------------------------- */

.wave-mini {
  width: 100%;
  height: 30px;
  display: block;
  border-radius: var(--r-xs);
  background: var(--c-surface);
}