/* ════════════════════════════════════════════════════════════════
   BRT FLOATING SEARCH STICKER v1
   3D animated bus button + popup search modal
   ════════════════════════════════════════════════════════════════ */

/* ── Root container ───────────────────────────────────────────── */
.brt-float-root {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 99990;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans', sans-serif;
}

/* ════════════════════════════════════════════════════════════════
   3D BUS STICKER BUTTON
   ════════════════════════════════════════════════════════════════ */
.brt-float-btn {
  position: relative;
  width: 76px;
  height: 76px;
  border: none;
  border-radius: 18px;
  cursor: pointer;
  background: linear-gradient(145deg, #4f46e5, #7c3aed);
  box-shadow:
    0 6px 0 #3730a3,
    0 10px 20px rgba(79,70,229,.5),
    0 3px 6px rgba(0,0,0,.3);
  transform: translateY(0) rotateX(0deg);
  transition: transform .18s cubic-bezier(.4,0,.2,1), box-shadow .18s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  overflow: visible;
}

.brt-float-btn:hover {
  transform: translateY(-3px) scale(1.06);
  box-shadow: 0 10px 0 #3730a3, 0 18px 32px rgba(79,70,229,.65), 0 6px 12px rgba(0,0,0,.3);
}

.brt-float-btn:active {
  transform: translateY(3px) scale(.97);
  box-shadow: 0 2px 0 #3730a3, 0 4px 10px rgba(79,70,229,.4);
}

/* Road track behind the bus */
.brt-float-btn__track {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 58px;
  height: 14px;
  overflow: hidden;
  border-radius: 3px;
}

.brt-float-btn__road {
  position: absolute;
  inset: 0;
  background: #1e1b4b;
  border-radius: 3px;
}

.brt-float-btn__road::after {
  content: '';
  position: absolute;
  top: 50%;
  left: -100%;
  width: 300%;
  height: 2px;
  background: repeating-linear-gradient(90deg, #fff 0 14px, transparent 14px 22px);
  transform: translateY(-50%);
  animation: brtRoadMove 0.7s linear infinite;
}

@keyframes brtRoadMove {
  to { left: 0%; }
}

/* The bus on the sticker */
.brt-float-btn__bus {
  position: relative;
  z-index: 2;
  animation: brtBusBounce 1.8s ease-in-out infinite;
}

@keyframes brtBusBounce {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-3px); }
}

.brt-float-btn__bus-body {
  width: 36px;
  height: 20px;
  background: linear-gradient(180deg, #fbbf24 0%, #f59e0b 100%);
  border-radius: 5px 5px 3px 3px;
  position: relative;
  box-shadow: inset 0 2px 0 rgba(255,255,255,.4), 0 2px 4px rgba(0,0,0,.3);
}

.brt-float-btn__bus-windows {
  display: flex;
  gap: 4px;
  padding: 4px 5px;
}

.brt-float-btn__bus-windows span {
  width: 7px;
  height: 7px;
  background: linear-gradient(135deg, #bae6fd, #7dd3fc);
  border-radius: 1px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.6);
}

.brt-float-btn__bus-door {
  position: absolute;
  right: 4px;
  bottom: 2px;
  width: 6px;
  height: 10px;
  background: #d97706;
  border-radius: 2px 2px 0 0;
  border-top: 1px solid rgba(255,255,255,.3);
}

.brt-float-btn__bus-wheels {
  display: flex;
  justify-content: space-between;
  padding: 0 4px;
  margin-top: -2px;
}

.brt-float-btn__wheel {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #6b7280, #1f2937);
  box-shadow: 0 0 0 2px #374151;
  animation: brtWheelSpin .5s linear infinite;
  transform-origin: center center;
}

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

/* Exhaust puffs */
.brt-float-btn__exhaust {
  position: absolute;
  left: -2px;
  top: 4px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.brt-float-btn__exhaust span {
  width: 5px;
  height: 5px;
  background: rgba(255,255,255,.7);
  border-radius: 50%;
  animation: brtPuff 1.2s ease-out infinite;
}

.brt-float-btn__exhaust span:nth-child(2) { animation-delay: .2s; }
.brt-float-btn__exhaust span:nth-child(3) { animation-delay: .4s; }

@keyframes brtPuff {
  0%   { opacity:.8; transform: scale(.6) translateX(0); }
  100% { opacity:0;  transform: scale(1.4) translateX(-8px); }
}

/* Label below track */
.brt-float-btn__label {
  position: absolute;
  bottom: -28px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(30,27,75,.9);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 20px;
  white-space: nowrap;
  text-align: center;
  line-height: 1.3;
  pointer-events: none;
  backdrop-filter: blur(4px);
  letter-spacing: .04em;
}

/* Pulse ring animation */
.brt-float-btn__pulse {
  position: absolute;
  inset: -6px;
  border-radius: 24px;
  border: 2px solid rgba(99,102,241,.5);
  animation: brtPulseRing 2.5s ease-out infinite;
  pointer-events: none;
}

@keyframes brtPulseRing {
  0%   { transform: scale(1);    opacity:.8; }
  100% { transform: scale(1.35); opacity:0; }
}

/* Open state */
.brt-float-btn.open {
  background: linear-gradient(145deg, #ef4444, #f97316);
  box-shadow: 0 6px 0 #b91c1c, 0 10px 20px rgba(239,68,68,.5);
}

.brt-float-btn.open .brt-float-btn__bus { display: none; }
.brt-float-btn.open .brt-float-btn__track { display: none; }
.brt-float-btn.open::before {
  content: '✕';
  font-size: 26px;
  font-weight: 900;
  color: #fff;
  line-height: 1;
}
.brt-float-btn.open .brt-float-btn__label { display: none; }
.brt-float-btn.open .brt-float-btn__pulse { border-color: rgba(239,68,68,.5); }

/* ════════════════════════════════════════════════════════════════
   POPUP MODAL
   ════════════════════════════════════════════════════════════════ */
.brt-float-modal {
  position: fixed;
  inset: 0;
  z-index: 99991;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 0 20px 120px 20px;
  pointer-events: none;
}

.brt-float-modal--open {
  pointer-events: all;
}

.brt-float-modal__overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,12,50,.6);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity .3s ease;
  pointer-events: none;
}

.brt-float-modal--open .brt-float-modal__overlay {
  opacity: 1;
  pointer-events: all;
}

.brt-float-modal__card {
  position: relative;
  z-index: 1;
  background: #fff;
  border-radius: 20px 20px 6px 20px;
  box-shadow: 0 -8px 60px rgba(0,0,0,.25), 0 24px 80px rgba(79,70,229,.2);
  width: 100%;
  max-width: 420px;
  max-height: 80vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: translateY(30px) scale(.95);
  opacity: 0;
  transition: transform .35s cubic-bezier(.34,1.56,.64,1), opacity .25s ease;
  pointer-events: none;
}

.brt-float-modal--open .brt-float-modal__card {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: all;
}

/* Modal Header */
.brt-float-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 14px;
  background: linear-gradient(135deg, #1e1b4b, #4f46e5);
  flex-shrink: 0;
}

.brt-float-modal__header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brt-float-modal__bus-icon {
  font-size: 28px;
  animation: brtBusBounce 2s ease-in-out infinite;
}

.brt-float-modal__title {
  font-size: 18px;
  font-weight: 900;
  color: #fff;
  margin: 0 0 2px;
  letter-spacing: -.01em;
}

.brt-float-modal__sub {
  font-size: 11px;
  color: rgba(255,255,255,.7);
  margin: 0;
}

.brt-float-modal__close {
  background: rgba(255,255,255,.15);
  border: none;
  color: #fff;
  font-size: 18px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s ease;
  flex-shrink: 0;
}

.brt-float-modal__close:hover {
  background: rgba(255,255,255,.3);
  transform: rotate(90deg) scale(1.1);
}

/* Tabs */
.brt-float-modal__tabs {
  display: flex;
  background: #f0f0ff;
  flex-shrink: 0;
}

.brt-float-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 12px 8px;
  border: none;
  background: transparent;
  font-size: 11px;
  font-weight: 700;
  color: #6b7280;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all .2s ease;
  font-family: inherit;
}

.brt-float-tab__icon {
  font-size: 18px;
  line-height: 1;
}

.brt-float-tab--active {
  color: #4f46e5;
  border-bottom-color: #4f46e5;
  background: #fff;
}

.brt-float-tab:hover:not(.brt-float-tab--active) {
  color: #4f46e5;
  background: rgba(99,102,241,.06);
}

/* Panel body */
.brt-float-panel {
  padding: 18px;
  overflow-y: auto;
  flex: 1;
  max-height: calc(80vh - 160px);
}

/* Input group */
.brt-float-input-group {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #f9f9ff;
  border: 2px solid #e0e0ff;
  border-radius: 14px;
  padding: 4px 14px;
  margin-bottom: 14px;
  transition: all .2s ease;
}

.brt-float-input-group:focus-within {
  border-color: #6366f1;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(99,102,241,.12);
}

.brt-float-input-group--grow { flex: 1; margin-bottom: 0; }

.brt-float-input-group__icon {
  font-size: 17px;
  flex-shrink: 0;
}

.brt-float-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 15px;
  color: #1e1b4b;
  padding: 10px 0;
  font-family: inherit;
  min-width: 0;
}

.brt-float-input::placeholder { color: #9ca3af; }

/* Spinner */
.brt-float-spin {
  width: 16px;
  height: 16px;
  border: 2px solid #e5e7eb;
  border-top-color: #6366f1;
  border-radius: 50%;
  animation: brtSpin .6s linear infinite;
  flex-shrink: 0;
}

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

/* Results list */
.brt-float-results { display: flex; flex-direction: column; gap: 10px; }

.brt-float-result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  cursor: pointer;
  transition: all .22s ease;
  text-decoration: none;
  animation: brtCardIn .3s ease both;
}

.brt-float-result-item:hover {
  background: #eef2ff;
  border-color: #6366f1;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(99,102,241,.15);
}

.brt-float-result-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.brt-float-ri--route .brt-float-result-icon { background: #eef2ff; }
.brt-float-ri--bus   .brt-float-result-icon { background: #dcfce7; }
.brt-float-ri--stop  .brt-float-result-icon { background: #fef9c3; }

.brt-float-result-info { flex: 1; min-width: 0; }

.brt-float-result-name {
  font-size: 14px;
  font-weight: 800;
  color: #1e1b4b;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brt-float-result-sub {
  font-size: 11px;
  color: #6b7280;
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brt-float-result-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex-shrink: 0;
}

.brt-float-tag {
  font-size: 10px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 20px;
  white-space: nowrap;
}

.brt-float-tag--route { background: #ede9fe; color: #6d28d9; }
.brt-float-tag--bus   { background: #dcfce7; color: #166534; }
.brt-float-tag--govt  { background: #fef3c7; color: #92400e; }

/* Traffic light mini */
.brt-float-tl {
  display: inline-flex;
  gap: 3px;
  background: #1a1a1a;
  border-radius: 12px;
  padding: 3px 6px;
}

.brt-float-tl span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #333;
}

.brt-float-tl[data-light="green"]  span:nth-child(3) { background: #10b981; box-shadow: 0 0 5px #10b981; }
.brt-float-tl[data-light="amber"]  span:nth-child(2) { background: #f59e0b; box-shadow: 0 0 5px #f59e0b; }
.brt-float-tl[data-light="red"]    span:nth-child(1) { background: #ef4444; box-shadow: 0 0 5px #ef4444; }

/* Empty / No results */
.brt-float-empty {
  text-align: center;
  padding: 30px 20px;
  color: #9ca3af;
  font-size: 13px;
}

.brt-float-empty__icon { font-size: 40px; margin-bottom: 10px; display: block; }
.brt-float-empty__title { font-size: 15px; font-weight: 700; color: #374151; margin-bottom: 4px; }

/* Stoppage search panel */
.brt-float-stop-form {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 14px;
}

.brt-float-stop-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brt-float-stop-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 900;
  flex-shrink: 0;
}

.brt-float-stop-dot--start { background: #dcfce7; color: #166534; }
.brt-float-stop-dot--end   { background: #fee2e2; color: #991b1b; }

.brt-float-stop-connector {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0 4px 14px;
}

.brt-float-stop-line {
  flex: 1;
  height: 2px;
  background: repeating-linear-gradient(90deg, #e5e7eb 0 8px, transparent 8px 14px);
}

.brt-float-swap-btn {
  background: linear-gradient(135deg, #eef2ff, #ddd6fe);
  border: 1px solid #c4b5fd;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s ease;
  flex-shrink: 0;
  color: #6d28d9;
}

.brt-float-swap-btn:hover {
  background: #6366f1;
  border-color: #6366f1;
  color: #fff;
  transform: rotate(180deg);
}

.brt-float-search-btn {
  width: 100%;
  padding: 13px;
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  transition: all .2s ease;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  box-shadow: 0 4px 14px rgba(79,70,229,.4);
}

.brt-float-search-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(79,70,229,.55);
}

@keyframes brtCardIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 480px) {
  .brt-float-root { bottom: 20px; right: 16px; }
  .brt-float-modal { padding: 0 0 110px 0; align-items: flex-end; justify-content: stretch; }
  .brt-float-modal__card { max-width: 100%; border-radius: 20px 20px 0 0; }
}

@media (max-width: 360px) {
  .brt-float-btn { width: 64px; height: 64px; border-radius: 16px; }
}