/* ==========================================================================
   Vengeance UI — Generate Button (@vengeanceui/generate-button)
   Optimized Radiant Neon Theme for CareerPath AI
   Color Palette: Electric Cyan (#00F2FE) · Cobalt Blue (#2563EB) · Violet (#7C3AED)
   ========================================================================== */

.gen-btn {
  --border-radius: 9999px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --btn-gradient: linear-gradient(135deg, #00F2FE 0%, #2563EB 50%, #7C3AED 100%);
  --btn-gradient-hover: linear-gradient(135deg, #38BDF8 0%, #1D4ED8 50%, #6D28D9 100%);
  --btn-gradient-active: linear-gradient(135deg, #00F2FE 0%, #6366F1 50%, #EC4899 100%);

  user-select: none;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 0.65rem 1.6rem;
  font-family: var(--font-display, "Outfit", "Space Grotesk", sans-serif);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #FFFFFF !important;
  background: var(--btn-gradient);
  background-size: 200% 200%;
  background-position: 0% 50%;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--border-radius);
  cursor: pointer;
  box-shadow:
    0 0 20px rgba(0, 242, 254, 0.35),
    0 4px 16px rgba(37, 99, 235, 0.4),
    inset 0 1px 1px rgba(255, 255, 255, 0.65);
  transition: all var(--transition);
  outline: none;
  overflow: hidden;
}

/* Glass Sheen Sweep on Hover */
.gen-btn::after {
  content: "";
  position: absolute;
  top: 0;
  left: -120%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: skewX(-22deg);
  pointer-events: none;
  transition: left 0.75s ease;
}

.gen-btn:hover::after {
  left: 140%;
}

.gen-btn:hover {
  transform: translateY(-2px);
  background-position: 100% 50%;
  box-shadow:
    0 0 30px rgba(0, 242, 254, 0.65),
    0 8px 25px rgba(124, 58, 237, 0.5),
    inset 0 1px 2px rgba(255, 255, 255, 0.85);
  border-color: rgba(255, 255, 255, 0.75);
}

.gen-btn:active {
  transform: translateY(0);
  box-shadow:
    0 0 15px rgba(0, 242, 254, 0.4),
    0 2px 8px rgba(37, 99, 235, 0.4),
    inset 0 1px 1px rgba(255, 255, 255, 0.5);
}

/* SVG Sparkle Icon */
.gen-btn-svg {
  width: 19px;
  height: 19px;
  margin-right: 0.55rem;
  fill: #FFFFFF;
  filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.95)) drop-shadow(0 0 10px rgba(0, 242, 254, 0.85));
  animation: gen-sparkle-flicker 2.4s ease-in-out infinite;
  transition: transform 0.3s ease, filter 0.3s ease;
}

@keyframes gen-sparkle-flicker {
  0%, 100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.12) rotate(6deg);
  }
}

.gen-btn:hover .gen-btn-svg {
  transform: scale(1.22) rotate(12deg);
  filter: drop-shadow(0 0 8px #ffffff) drop-shadow(0 0 18px #00F2FE);
}

/* Text Wrapper */
.gen-txt-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 8.5em;
  height: 1.5em;
}

.gen-txt-1,
.gen-txt-2 {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  font-weight: 700;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.gen-txt-1 {
  animation: gen-appear-anim 0.35s ease-in-out forwards;
}

.gen-txt-2 {
  opacity: 0;
  transform: translateY(6px);
}

@keyframes gen-appear-anim {
  0% {
    opacity: 0;
    transform: translateY(6px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.gen-btn-letter {
  display: inline-block;
  color: #FFFFFF;
  font-weight: 700;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), text-shadow 0.25s ease;
}

.gen-btn:hover .gen-btn-letter {
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.95), 0 0 16px rgba(0, 242, 254, 0.9);
}

/* Gentle letter wave on hover */
.gen-btn:hover .gen-btn-letter:nth-child(1) { transform: translateY(-2px); }
.gen-btn:hover .gen-btn-letter:nth-child(2) { transform: translateY(-3px); }
.gen-btn:hover .gen-btn-letter:nth-child(3) { transform: translateY(-2px); }
.gen-btn:hover .gen-btn-letter:nth-child(4) { transform: translateY(-1px); }
.gen-btn:hover .gen-btn-letter:nth-child(5) { transform: translateY(-2px); }
.gen-btn:hover .gen-btn-letter:nth-child(6) { transform: translateY(-3px); }
.gen-btn:hover .gen-btn-letter:nth-child(7) { transform: translateY(-2px); }
.gen-btn:hover .gen-btn-letter:nth-child(8) { transform: translateY(-1px); }
.gen-btn:hover .gen-btn-letter:nth-child(9) { transform: translateY(-2px); }
.gen-btn:hover .gen-btn-letter:nth-child(10) { transform: translateY(-3px); }
.gen-btn:hover .gen-btn-letter:nth-child(11) { transform: translateY(-2px); }
.gen-btn:hover .gen-btn-letter:nth-child(12) { transform: translateY(-1px); }
.gen-btn:hover .gen-btn-letter:nth-child(13) { transform: translateY(-2px); }

/* Generating State */
.gen-btn[data-generating="true"] {
  background: var(--btn-gradient-active);
  background-size: 300% 300%;
  animation: gen-gradient-pulse 1.8s ease infinite;
  box-shadow:
    0 0 35px rgba(0, 242, 254, 0.75),
    0 0 55px rgba(236, 72, 153, 0.55),
    inset 0 1px 2px rgba(255, 255, 255, 0.8);
  pointer-events: none;
}

@keyframes gen-gradient-pulse {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.gen-btn[data-generating="true"] .gen-txt-1 {
  animation: gen-slide-out 0.3s ease-in-out forwards;
}

.gen-btn[data-generating="true"] .gen-txt-2 {
  animation: gen-slide-in 0.35s ease-in-out forwards;
}

@keyframes gen-slide-out {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(-8px); }
}

@keyframes gen-slide-in {
  0% { opacity: 0; transform: translateY(8px); }
  100% { opacity: 1; transform: translateY(0); }
}

.gen-btn[data-generating="true"] .gen-btn-letter {
  animation: gen-pulse-letter 1.1s ease-in-out infinite;
}

.gen-btn[data-generating="true"] .gen-btn-letter:nth-child(odd) {
  animation-delay: 0.15s;
}

@keyframes gen-pulse-letter {
  0%, 100% {
    transform: scale(1);
    filter: drop-shadow(0 0 4px #ffffff);
  }
  50% {
    transform: scale(1.15) translateY(-2px);
    filter: drop-shadow(0 0 10px #00F2FE) drop-shadow(0 0 18px #EC4899);
    color: #ffffff;
  }
}