.qk-launcher {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 180;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(10, 15, 22, 0.92);
  color: #e7eef8;
  border-radius: 999px;
  padding: 8px 12px;
  font-family: "DM Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.7px;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.qk-launcher:hover {
  border-color: rgba(131, 237, 214, 0.44);
  transform: translateY(-1px);
}

.qk-help-btn {
  position: fixed;
  right: 14px;
  bottom: 56px;
  z-index: 181;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(10, 15, 22, 0.94);
  color: #dff0ff;
  font-family: "DM Mono", monospace;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.qk-help-btn:hover,
.qk-help-btn.active {
  border-color: rgba(130, 220, 203, 0.56);
  box-shadow: 0 0 0 3px rgba(130, 220, 203, 0.16);
  transform: translateY(-1px);
}

.qk-help-btn.pulse {
  animation: qkHelpPulse 1.6s ease-in-out infinite;
}

@keyframes qkHelpPulse {
  0%,
  100% { box-shadow: 0 0 0 0 rgba(130, 220, 203, 0.26); }
  50% { box-shadow: 0 0 0 6px rgba(130, 220, 203, 0.08); }
}

.qk-help-hint {
  position: fixed;
  right: 56px;
  bottom: 58px;
  z-index: 182;
  border: 1px solid rgba(130, 220, 203, 0.42);
  border-radius: 999px;
  padding: 5px 9px;
  font-family: "DM Mono", monospace;
  font-size: 9px;
  letter-spacing: 0.45px;
  text-transform: uppercase;
  background: rgba(8, 14, 22, 0.96);
  color: #96ead7;
  cursor: pointer;
}

.qk-help-panel {
  position: fixed;
  right: 14px;
  bottom: 94px;
  z-index: 185;
  width: min(360px, calc(100vw - 28px));
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(180deg, rgba(14, 22, 31, 0.98), rgba(9, 14, 20, 0.98));
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.42);
  display: none;
  overflow: hidden;
}

.qk-help-panel.open {
  display: block;
}

.qk-help-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 11px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.qk-help-title {
  font-family: "DM Sans", sans-serif;
  font-size: 12px;
  color: #d9e8fb;
}

.qk-help-close {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.04);
  color: #c9daef;
  border-radius: 999px;
  width: 24px;
  height: 24px;
  line-height: 1;
  cursor: pointer;
  font-size: 13px;
}

.qk-help-body {
  padding: 10px 11px 12px;
}

.qk-help-intro {
  font-size: 11px;
  color: #a6bdd8;
  margin-bottom: 9px;
  line-height: 1.45;
}

.qk-help-section-title {
  font-family: "DM Mono", monospace;
  font-size: 10px;
  color: #8de4cf;
  letter-spacing: 0.45px;
  text-transform: uppercase;
  margin: 10px 0 6px;
}

.qk-help-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.qk-help-row {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.qk-help-key {
  flex: 0 0 auto;
  min-width: 92px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 7px;
  padding: 4px 6px;
  text-align: center;
  font-family: "DM Mono", monospace;
  font-size: 10px;
  color: #d6e8ff;
  background: rgba(255, 255, 255, 0.04);
}

.qk-help-desc {
  font-size: 11px;
  color: #b9cde5;
  line-height: 1.35;
}

.qk-help-tip {
  margin-top: 9px;
  font-size: 10px;
  color: #93a9c7;
  font-family: "DM Mono", monospace;
  letter-spacing: 0.35px;
  text-transform: uppercase;
}

.qk-overlay {
  position: fixed;
  inset: 0;
  z-index: 240;
  background: rgba(2, 6, 10, 0.66);
  backdrop-filter: blur(6px);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: min(12vh, 84px) 16px 18px;
}

.qk-overlay.open {
  display: flex;
}

.qk-modal {
  width: min(760px, 100%);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background:
    linear-gradient(180deg, rgba(16, 24, 33, 0.98), rgba(9, 14, 20, 0.98));
  box-shadow: 0 18px 52px rgba(0, 0, 0, 0.42);
  overflow: hidden;
}

.qk-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-family: "DM Sans", sans-serif;
  font-size: 12px;
  color: #d7e4f6;
}

.qk-shortcut-pill {
  border: 1px solid rgba(124, 215, 198, 0.35);
  border-radius: 999px;
  padding: 3px 8px;
  font-family: "DM Mono", monospace;
  font-size: 10px;
  color: #8ce9d3;
}

.qk-input-wrap {
  padding: 10px 12px 0;
}

.qk-input {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.2);
  color: #edf4ff;
  font-family: "DM Sans", sans-serif;
  font-size: 14px;
  padding: 10px 12px;
  outline: none;
}

.qk-input:focus {
  border-color: rgba(127, 198, 255, 0.6);
}

.qk-list {
  list-style: none;
  margin: 10px 0 0;
  max-height: min(52vh, 410px);
  overflow: auto;
  padding: 0;
}

.qk-item {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.qk-item-btn {
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  color: #d9e7fa;
  padding: 11px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  cursor: pointer;
  font-family: "DM Sans", sans-serif;
}

.qk-item-btn:hover,
.qk-item-btn.active {
  background: rgba(137, 185, 255, 0.13);
}

.qk-item-label {
  font-size: 13px;
}

.qk-item-hint {
  font-family: "DM Mono", monospace;
  font-size: 10px;
  color: #9ab4d8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.qk-empty {
  padding: 16px 14px;
  color: #9bb1ce;
  font-size: 12px;
}

.qk-foot {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 10px 14px;
  color: #93a8c4;
  font-family: "DM Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.qk-toast {
  position: fixed;
  left: 50%;
  top: 14px;
  transform: translateX(-50%) translateY(-6px);
  z-index: 260;
  border: 1px solid rgba(124, 215, 198, 0.35);
  border-radius: 999px;
  padding: 6px 11px;
  background: rgba(10, 16, 24, 0.96);
  color: #92efd9;
  font-family: "DM Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.45px;
  opacity: 0;
  transition: opacity 0.16s ease, transform 0.16s ease;
  pointer-events: none;
}

.qk-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 760px) {
  .qk-launcher {
    right: 10px;
    bottom: 10px;
  }

  .qk-help-btn {
    right: 10px;
    bottom: 52px;
  }

  .qk-help-panel {
    right: 10px;
    bottom: 90px;
    width: min(360px, calc(100vw - 20px));
  }

  .qk-help-hint {
    right: 48px;
    bottom: 54px;
  }
}