/* ===== KlassBox Kitchen Display System - Grid Tiles ===== */

:root {
  --kds-bg: #0f1117;
  --kds-surface: #1a1d27;
  --kds-surface-hover: #22262f;
  --kds-text: #eaeaea;
  --kds-text-muted: #7a8194;
  --kds-border: rgba(255, 255, 255, 0.06);

  --kds-green: #22c55e;
  --kds-green-bg: #0d3320;
  --kds-yellow: #eab308;
  --kds-yellow-bg: #3d3209;
  --kds-red: #ef4444;
  --kds-red-bg: #3b1111;
  --kds-blue: #3b82f6;
  --kds-blue-bg: #132044;
  --kds-orange: #FF6B35;

  --kds-radius: 14px;
  --kds-radius-sm: 8px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--kds-bg);
  color: var(--kds-text);
  min-height: 100vh;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== Login ===== */
.kds-login {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.kds-login__card {
  background: var(--kds-surface);
  border-radius: var(--kds-radius);
  padding: 40px 36px;
  max-width: 400px;
  width: 100%;
  border: 1px solid var(--kds-border);
  text-align: center;
}

.kds-login__brand { margin-bottom: 4px; }
.kds-login__brand img { height: 36px; width: auto; filter: brightness(0) invert(1); }
.kds-login__title { font-size: 28px; font-weight: 800; margin-bottom: 8px; }
.kds-login__desc { font-size: 13px; color: var(--kds-text-muted); margin-bottom: 24px; }
.kds-login__error { display: none; padding: 10px; background: rgba(239, 68, 68, 0.15); border-radius: 8px; color: var(--kds-red); font-size: 13px; margin-bottom: 12px; text-align: left; }

.kds-form-group { margin-bottom: 16px; text-align: left; }
.kds-form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--kds-text-muted); margin-bottom: 6px; }
.kds-form-group input { width: 100%; padding: 12px 14px; border: 1px solid var(--kds-border); border-radius: 8px; font-family: inherit; font-size: 15px; color: var(--kds-text); background: var(--kds-bg); }
.kds-form-group input:focus { outline: none; border-color: var(--kds-orange); box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15); }

.kds-btn { display: inline-flex; align-items: center; justify-content: center; padding: 8px 16px; border: none; border-radius: 8px; font-family: inherit; font-size: 14px; font-weight: 700; cursor: pointer; transition: all 0.2s; }
.kds-btn--primary { background: var(--kds-orange); color: #fff; }
.kds-btn--primary:hover { background: #E55A2B; }
.kds-btn--full { width: 100%; padding: 14px; margin-top: 8px; }

/* ===== Header ===== */
.kds-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: var(--kds-surface);
  border-bottom: 1px solid var(--kds-border);
  height: 56px;
  gap: 16px;
}

.kds-header__left {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-shrink: 0;
}

.kds-header__brand { display: flex; align-items: center; }
.kds-header__brand img { height: 28px; width: auto; filter: brightness(0) invert(1); }
.kds-header__subtitle { font-size: 11px; font-weight: 700; letter-spacing: 2px; color: var(--kds-text-muted); text-transform: uppercase; }

.kds-header__center { flex: 1; display: flex; justify-content: center; overflow-x: auto; }

.kds-header__right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.kds-clock { font-size: 22px; font-weight: 800; font-variant-numeric: tabular-nums; margin-right: 4px; }

.kds-btn-icon {
  width: 36px; height: 36px;
  border: 1px solid var(--kds-border);
  border-radius: 8px;
  background: transparent;
  color: var(--kds-text-muted);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
}
.kds-btn-icon:hover { background: var(--kds-surface-hover); color: var(--kds-text); }
.kds-btn-icon svg { width: 17px; height: 17px; }
.kds-btn-icon--logout { border-color: rgba(239, 68, 68, 0.3); color: #ef4444; }
.kds-btn-icon--logout:hover { background: rgba(239, 68, 68, 0.1); }

/* ===== Notification Bell ===== */
.kds-bell {
  position: relative;
  width: 36px;
  height: 36px;
  border: 1px solid var(--kds-border);
  border-radius: 8px;
  background: transparent;
  color: var(--kds-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.kds-bell:hover {
  background: var(--kds-surface-hover);
  color: var(--kds-text);
}

.kds-bell__badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  background: var(--kds-red);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

@keyframes bell-ring {
  0% { transform: rotate(0); }
  10% { transform: rotate(14deg); }
  20% { transform: rotate(-12deg); }
  30% { transform: rotate(10deg); }
  40% { transform: rotate(-8deg); }
  50% { transform: rotate(6deg); }
  60% { transform: rotate(-4deg); }
  70% { transform: rotate(2deg); }
  80% { transform: rotate(-1deg); }
  100% { transform: rotate(0); }
}

.kds-bell--ring {
  animation: bell-ring 0.8s ease;
  border-color: var(--kds-yellow);
  color: var(--kds-yellow);
}

/* ===== Filter Tabs ===== */
.kds-filters {
  display: flex;
  gap: 4px;
}

.kds-filter {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: none;
  background: transparent;
  border-radius: 20px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--kds-text-muted);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.kds-filter:hover { color: var(--kds-text); background: rgba(255,255,255,0.05); }
.kds-filter--active { color: var(--kds-text); background: rgba(255,255,255,0.1); }

.kds-filter__dot { width: 8px; height: 8px; border-radius: 50%; }
.kds-filter__dot--prep { background: var(--kds-blue); }
.kds-filter__dot--done { background: var(--kds-green); }
.kds-filter__dot--preorder { background: #a855f7; }

.kds-filter__count {
  background: rgba(255,255,255,0.1);
  padding: 1px 7px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.kds-filter--active .kds-filter__count { background: var(--kds-orange); color: #fff; }

/* Expired-Tab visuell abgesetzt */
.kds-filter--expired {
  border: 1px dashed rgba(239, 68, 68, 0.4);
}

.kds-filter--expired:hover {
  border-color: var(--kds-red);
  background: rgba(239, 68, 68, 0.1);
  color: var(--kds-red);
}

.kds-filter--expired.kds-filter--active {
  border-color: var(--kds-red);
  border-style: solid;
  background: rgba(239, 68, 68, 0.2);
  color: var(--kds-red);
}

.kds-filter--expired.kds-filter--active .kds-filter__count {
  background: var(--kds-red);
  color: #fff;
}

.kds-filter__dot--expired { background: var(--kds-red); }

/* Preorder-Tab visuell abgesetzt */
.kds-filter--preorder {
  margin-left: 8px;
  border: 1px dashed rgba(168, 85, 247, 0.4);
}

.kds-filter--preorder:hover {
  border-color: #a855f7;
  background: rgba(168, 85, 247, 0.1);
  color: #c084fc;
}

.kds-filter--preorder.kds-filter--active {
  border-color: #a855f7;
  border-style: solid;
  background: rgba(168, 85, 247, 0.2);
  color: #c084fc;
}

.kds-filter--preorder.kds-filter--active .kds-filter__count {
  background: #a855f7;
  color: #fff;
}

/* ===== Order Grid ===== */
.kds-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 12px;
  padding: 14px;
  height: calc(100vh - 56px);
  overflow-y: auto;
  align-content: start;
}

.kds-grid::-webkit-scrollbar { width: 6px; }
.kds-grid::-webkit-scrollbar-track { background: transparent; }
.kds-grid::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }

/* ===== Day Header (Preorder Groups) ===== */
.kds-day-header {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(168, 85, 247, 0.15);
  border-radius: var(--kds-radius);
  margin-top: 4px;
}

.kds-day-header__label {
  font-size: 14px;
  font-weight: 900;
  color: #c084fc;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.kds-day-header__date {
  font-size: 16px;
  font-weight: 700;
  color: var(--kds-text);
}

.kds-day-header__count {
  margin-left: auto;
  font-size: 13px;
  font-weight: 600;
  color: var(--kds-text-muted);
  background: rgba(255, 255, 255, 0.08);
  padding: 3px 10px;
  border-radius: 12px;
}

/* ===== Order Card ===== */
.kds-card {
  background: var(--kds-surface);
  border-radius: var(--kds-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, opacity 0.3s;
}

.kds-card:hover { transform: translateY(-1px); }

/* Card Header - farbcodiert nach Wartezeit */
.kds-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  gap: 10px;
}

.kds-card--ontime .kds-card__head { background: var(--kds-green-bg); }
.kds-card--caution .kds-card__head { background: var(--kds-yellow-bg); }
.kds-card--late .kds-card__head { background: var(--kds-red-bg); animation: kds-pulse 2s ease infinite; }
.kds-card--done .kds-card__head { background: rgba(34, 197, 94, 0.08); }
.kds-card--prep .kds-card__head { background: var(--kds-blue-bg); }
.kds-card--preorder .kds-card__head { background: rgba(168, 85, 247, 0.15); }

@keyframes kds-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.kds-card__ticket {
  font-size: 24px;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.5px;
}

.kds-card--ontime .kds-card__ticket { color: var(--kds-green); }
.kds-card--caution .kds-card__ticket { color: var(--kds-yellow); }
.kds-card--late .kds-card__ticket { color: var(--kds-red); }
.kds-card--done .kds-card__ticket { color: var(--kds-green); opacity: 0.6; }
.kds-card--prep .kds-card__ticket { color: var(--kds-blue); }
.kds-card--preorder .kds-card__ticket { color: #a855f7; }

.kds-card__head-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.kds-card__status {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 3px 8px;
  border-radius: 4px;
}

.kds-card--ontime .kds-card__status,
.kds-card--caution .kds-card__status,
.kds-card--late .kds-card__status { background: rgba(234,179,8,0.2); color: var(--kds-yellow); }
.kds-card--prep .kds-card__status { background: rgba(59,130,246,0.2); color: var(--kds-blue); }
.kds-card--done .kds-card__status { background: rgba(34,197,94,0.15); color: var(--kds-green); }
.kds-card--preorder .kds-card__status { background: rgba(168,85,247,0.2); color: #a855f7; }

.kds-card__timer {
  text-align: right;
  line-height: 1.2;
}

.kds-card__elapsed {
  font-size: 18px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.kds-card--ontime .kds-card__elapsed { color: var(--kds-green); }
.kds-card--caution .kds-card__elapsed { color: var(--kds-yellow); }
.kds-card--late .kds-card__elapsed { color: var(--kds-red); }
.kds-card--done .kds-card__elapsed { color: var(--kds-text-muted); }
.kds-card--prep .kds-card__elapsed { color: var(--kds-blue); }
.kds-card--preorder .kds-card__elapsed { color: #a855f7; }

.kds-card__time {
  font-size: 11px;
  color: var(--kds-text-muted);
  font-variant-numeric: tabular-nums;
}

/* Card Body */
.kds-card__body {
  padding: 12px 14px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Customer Info */
.kds-card__customer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.kds-card__name {
  font-size: 14px;
  font-weight: 700;
}

.kds-card__phone {
  font-size: 12px;
  color: var(--kds-text-muted);
}

/* Delivery Time (prominent) */
.kds-card__delivery {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--kds-orange);
  background: rgba(255, 107, 53, 0.1);
  border-radius: var(--kds-radius-sm);
  padding: 8px 12px;
}

.kds-card__delivery svg {
  flex-shrink: 0;
}

.kds-card--preorder .kds-card__delivery {
  color: #c084fc;
  background: rgba(168, 85, 247, 0.12);
}

/* Delivery Info */
.kds-card__delivery-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.kds-card__info-row {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  font-size: 12px;
  color: var(--kds-text-muted);
  line-height: 1.4;
}

.kds-card__info-row svg {
  flex-shrink: 0;
  margin-top: 1px;
  opacity: 0.6;
}

.kds-card__info-row--time {
  color: var(--kds-orange);
  font-weight: 700;
  font-size: 13px;
}

.kds-card__info-row--time svg { opacity: 1; }

/* Datum-Badge */
.kds-card__date-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 4px;
}

.kds-card__date-badge--today {
  background: rgba(34, 197, 94, 0.2);
  color: var(--kds-green);
}

.kds-card__date-badge--tomorrow {
  background: rgba(168, 85, 247, 0.2);
  color: #a855f7;
}

.kds-card__date-badge--future {
  background: rgba(168, 85, 247, 0.25);
  color: #c084fc;
  font-size: 12px;
}

/* Preorder-Karte: lila Rand */
.kds-card--preorder {
  border-color: rgba(168, 85, 247, 0.3);
}

/* Divider */
.kds-card__divider {
  height: 1px;
  background: var(--kds-border);
}

/* Items */
.kds-card__items {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 180px;
  overflow-y: auto;
  position: relative;
}

.kds-card__items::-webkit-scrollbar { width: 4px; }
.kds-card__items::-webkit-scrollbar-track { background: transparent; }
.kds-card__items::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 2px; }

/* Fade-Indikator wenn Liste scrollbar ist */
.kds-card__items-wrapper {
  position: relative;
}

.kds-card__items-wrapper::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 28px;
  background: linear-gradient(to bottom, transparent, var(--kds-surface));
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
}

.kds-card__items-wrapper--more::after {
  opacity: 1;
}

.kds-card__item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 3px 0;
}

.kds-card__qty {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  height: 22px;
  background: rgba(255, 107, 53, 0.15);
  color: var(--kds-orange);
  font-size: 13px;
  font-weight: 800;
  border-radius: 5px;
  flex-shrink: 0;
}

.kds-card__item-name {
  font-size: 14px;
  font-weight: 600;
  flex: 1;
}

/* Item Extras (Suppe, Pasta, Besteck etc.) */
.kds-card__extras {
  padding-left: 34px;
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin-bottom: 2px;
}

.kds-card__extra-item {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 1px 0;
}

.kds-card__extra-qty {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 18px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--kds-text-muted);
  font-size: 11px;
  font-weight: 700;
  border-radius: 4px;
  flex-shrink: 0;
}

.kds-card__extra-name {
  font-size: 12px;
  font-weight: 500;
  color: var(--kds-text-muted);
}

/* Note */
.kds-card__note {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  font-size: 12px;
  color: #fbbf24;
  background: rgba(251, 191, 36, 0.08);
  border-radius: var(--kds-radius-sm);
  padding: 8px 10px;
  line-height: 1.4;
}

.kds-card__note svg { flex-shrink: 0; margin-top: 1px; }

.kds-card__note--item {
  color: var(--kds-orange);
  background: rgba(255, 107, 53, 0.08);
}

.kds-card__note + .kds-card__note { margin-top: 4px; }

/* Footer */
.kds-card__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 14px;
  height: 32px;
  font-size: 12px;
  color: var(--kds-text-muted);
  border-top: 1px solid var(--kds-border);
}

.kds-card__total { font-weight: 700; color: var(--kds-text); font-size: 13px; }

/* Action Button */
.kds-card__action {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px;
  border: none;
  font-family: inherit;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  transition: all 0.15s;
}

.kds-card__action--accept {
  background: var(--kds-yellow);
  color: #000;
}
.kds-card__action--accept:hover { background: #ca9a06; }

.kds-card__action--complete {
  background: var(--kds-green);
  color: #000;
}
.kds-card__action--complete:hover { background: #16a34a; }

.kds-card__action:disabled { opacity: 0.4; cursor: wait; }

/* Done card muted */
.kds-card--done {
  opacity: 0.5;
}
.kds-card--done:hover { opacity: 0.7; }

/* Expired card */
.kds-card--expired .kds-card__head { background: var(--kds-red-bg); }
.kds-card--expired .kds-card__ticket { color: var(--kds-red); }
.kds-card--expired .kds-card__status { background: rgba(239,68,68,0.25); color: var(--kds-red); }
.kds-card--expired .kds-card__elapsed { color: var(--kds-red); }
.kds-card--expired { border: 2px solid rgba(239, 68, 68, 0.4); animation: kds-pulse 2s ease infinite; }

/* Expired date badge */
.kds-card__date-badge--expired {
  background: rgba(239, 68, 68, 0.25);
  color: var(--kds-red);
}

/* ===== Empty ===== */
.kds-empty {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  color: var(--kds-text-muted);
  gap: 12px;
}

.kds-empty__icon { opacity: 0.3; }
.kds-empty p { font-size: 15px; }

/* ===== Print ===== */
@media print {
  .kds-header, .kds-login { display: none !important; }
  body { background: #fff; color: #000; overflow: visible; }
  .kds-grid { height: auto; overflow: visible; display: block; padding: 10px; }
  .kds-card { background: #fff; border: 1px solid #ccc; color: #000; opacity: 1 !important; break-inside: avoid; margin-bottom: 10px; }
  .kds-card__head { background: #f5f5f5 !important; }
  .kds-card__ticket { color: #000 !important; }
  .kds-card__action { display: none; }
  .kds-card__note { color: #000; background: #f5f5f5; }
}

/* ===== Responsive ===== */
@media (min-width: 1600px) {
  .kds-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 1200px) {
  .kds-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
}

@media (max-width: 768px) {
  .kds-header { padding: 0 12px; gap: 8px; }
  .kds-header__left { display: none; }
  .kds-filters { gap: 2px; }
  .kds-filter { padding: 5px 10px; font-size: 12px; }
  .kds-grid { grid-template-columns: 1fr 1fr; gap: 8px; padding: 8px; }
  body { overflow: auto; }
  .kds-grid { height: auto; overflow: visible; }
}

@media (max-width: 500px) {
  .kds-grid { grid-template-columns: 1fr; }
  .kds-filter__label { display: none; }
}