:root {
  --buttercup: #f6bf46;
  --candy-corn: #fce461;
  --barley-white: #fae09d;
  --bourbon: #bc730b;
  --primary: var(--buttercup);
  --primary-dark: var(--bourbon);
  --bg-light: var(--barley-white);
  --bg-card: #ffffff; 
  --bg-input: hsl(42, 100%, 98%); 
  --text-on-light: var(--primary-dark);
  --text-muted: var(--candy-corn); 
  --border-color: var(--barley-white); 

  /* Animation & Transition Timing */
  --ease: cubic-bezier(0.5, 0, 0.3, 1);
  --ease-elastic: cubic-bezier(0.5, 2, 0.3, 0.8);
  --transition-speed: 0.3s;

  /* Sizing & Radius */
  --base-font-size: 16px;
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.625rem;

  /* Responsive Font Size */
  --font-size-h1: clamp(1.25rem, 4vw + 0.5rem, 1.75rem);
  --font-size-p: clamp(0.9rem, 2vw + 0.5rem, 1rem);
  --font-size-label: 1rem;
  --font-size-input: 1rem;
  --font-size-button: 1.25rem;
}

/* Reset and Box Sizing */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: var(--base-font-size);
}

body {
  font-family: 'Prompt', sans-serif;
  background-color: var(--bg-light);
  background-image: linear-gradient(135deg, var(--bg-light) 0%, #fff7e0 100%); 
  color: var(--text-on-light);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 1rem;
}

.main-container {
  width: 100%;
  max-width: 500px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: center;
}

.form-card {
  width: 100%;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  border-top: 5px solid var(--primary);
  box-shadow: 0 1rem 2.5rem rgba(188, 115, 11, 0.15), 0 0 1px 1px rgba(246, 191, 70, 0.2); 
  transition: transform var(--transition-speed) ease;
}

.form-header-glass {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  background: rgba(246, 191, 70, 0.1); 
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  border: 1px solid rgba(246, 191, 70, 0.3); 
  box-shadow: none;
}

.form-header-glass .icon-container {
  font-size: 1.75rem;
  color: var(--primary);
  text-shadow: 0 0 15px var(--primary);
  flex-shrink: 0;
}

.form-header-glass .text-group h1 {
  font-size: var(--font-size-h1);
  font-weight: 700;
  color: var(--text-on-light);
  margin-bottom: 0.25rem;
  text-shadow: none;
  line-height: 1.3;
}

.form-header-glass .text-group p {
  font-size: var(--font-size-p);
  color: var(--text-muted);
  margin: 0;
}

.form-group { margin-bottom: 1.5rem; }

label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-on-light);
  font-size: var(--font-size-label);
}

label .fas {
  color: var(--text-muted);
  width: 20px;
  text-align: center;
  transition: color var(--transition-speed) ease;
}

input[type="text"],
input[type="number"],
select,
input[type="date"] {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-input);
  font-family: 'Prompt', sans-serif;
  background-color: var(--bg-input);
  color: var(--text-on-light);
  transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

input:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(246, 191, 70, 0.35); 
}

input:focus + label .fas,
select:focus + label .fas {
    color: var(--primary);
}

.area {
  --radius: 26px;
  position: relative;
  cursor: pointer;
  user-select: none;
  transition: all 0.6s var(--ease-elastic);
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 1.25rem;
}

.button {
  outline: none; cursor: pointer; border: 0; border-radius: var(--radius);
  position: relative; width: 100%; max-width: 240px; height: 74px;
  transform-style: preserve-3d; perspective: 1000px;
  transition: all 0.5s ease;
  transform: rotateX(4deg);
  background: var(--primary);
  box-shadow:
    inset 0 0 20px rgba(255, 255, 255, 0.5), 
    0 5px 10px -2px rgba(188, 115, 11, 0.2), 
    0 20px 20px -10px rgba(188, 115, 11, 0.15), 
    inset 0 -2px 0 -1px var(--candy-corn), 
    inset 0 0 2px 4px var(--barley-white); 
  font-size: 21px; font-family: Arial; letter-spacing: 1px;
}
.button:disabled { cursor: not-allowed; opacity: 0.7; pointer-events: none; }

.button::before, .button::after {
  content: ""; border-radius: 50%; width: 100px; height: 100px;
  background: #ffffff; 
  position: absolute; display: block;
  filter: blur(40px); mix-blend-mode: plus-lighter;
  margin: auto; inset: 0; top: 10px; transition: all 1s ease;
}

@keyframes pulse-out { 40% { transform: scale(1); } }
.button:after { transform: scale(0); animation: pulse-out 3s var(--ease-elastic) infinite; }
.button::before, .button.is-loading::after { opacity: 0; }
.button.is-loading::before { opacity: 1; }

.wrap {
  border-radius: calc(var(--radius) * 0.85); inset: 0; padding: 0;
  background: linear-gradient(to bottom, var(--barley-white) 0%, var(--buttercup) 100%); 
  position: absolute; transform-origin: top;
  transform: scale(0.99, 1) translate(0px, -7px);
  transition: all 0.7s ease;
  animation: cover-close 0.9s ease forwards;
  z-index: 2;
}

.button.is-loading .wrap { animation: cover-open 0.9s ease forwards; }

@keyframes cover-open {
  0% { transform: translate3d(0, -7px, 10px); box-shadow: none; }
  20% { transform: translate3d(0, 0, 10px); }
  80% { transform: translate3d(0, 0, 10px) rotateY(0) rotateX(74deg); }
  100% {
    transform: translate3d(0, 0, 10px) rotateY(0) rotateX(70deg);
    box-shadow:
      var(--candy-corn) 0px 5px 1px -1px, 
      var(--bourbon) 0px 9px 0 -2px, 
      rgba(0, 0, 0, 0.2) 0px 60px 40px -30px;
  }
}
@keyframes cover-close {
  from {
    transform: translate3d(0px, 0px, 10px) rotateY(0) rotateX(70deg);
    box-shadow:
      var(--candy-corn) 0 5px 1px -1px, 
      var(--bourbon) 0 10px 0px -1px, 
      0 60px 40px -30px black;
  }
  to { transform: scale(0.99, 1) translate3d(0px, -7px, 10px); box-shadow: none; }
}

.reflex {
  display: none;
  position: absolute;
  z-index: 9;
  inset: 0;
  overflow: hidden;
  border-radius: inherit;
}

.reflex:before {
  content: ""; position: absolute; width: 300px;
  background: linear-gradient( to right, rgba(255, 255, 255, 0.2) 10%, rgba(255, 255, 255, 0.5) 60%, rgba(255, 255, 255, 0.4) 60%, rgba(255, 255, 255, 0.2) 90% ); /* Keeping white for light effect */
  top: -40%; bottom: -40%; left: -132%;
  transform: translateX(0) skew(-30deg);
  transition: all 0.7s var(--ease);
}
.area:hover .button:not(:disabled) .reflex:before { transform: translate(192%, 0) skew(-30deg); }

.path {
  position: absolute; left: 50%; top: 87%;
  transform: translateX(-50%);
  stroke-dasharray: 60 150; stroke-dashoffset: 60;
  pointer-events: none; overflow: visible;
  animation: path-in 0.6s linear forwards; stroke-width: 2px;
}
.button.is-loading .path { animation: path-out 1.2s ease forwards; }
@keyframes path-out { from { transform: translateX(-50%) translateY(-15px); stroke: #ffffff; } to { stroke-dashoffset: -150; stroke: var(--primary); transform: translateX(-50%) translateY(15px); } } 
@keyframes path-in { from { stroke-dashoffset: -150; transform: translateX(-50%) translateY(-5px); stroke: #ffffff; } to { stroke: var(--primary); transform: translateX(-50%) translateY(-16px); } } 

.wave {
  position: absolute; margin: auto; transition: all 0.5s ease; border-radius: 70px;
  width: 110%; height: 150%; left: 50%; top: 56%;
  transform: translate(-50%, -50%); opacity: 0;
}
.wave::before, .wave::after { content: ""; position: absolute; border-radius: inherit; border-bottom: 3px solid #ffffff; border-top: 3px solid #ffffff; filter: blur(3px); inset: 0; transform: translate(50%); animation: wave 1.5s linear infinite; } 
.wave::after { animation-delay: 0.4s; }
.button.is-loading .wave { opacity: 1; }
@keyframes wave { 0% { transform: scale(1); opacity: 0; box-shadow: 0 0 30px #ffffff; } 35% { transform: scale(1.3); opacity: 1; } 70%, 100% { transform: scale(1.6); opacity: 0; box-shadow: 0 0 100px var(--primary); } } 

.content {
  pointer-events: none; display: flex; align-items: center; justify-content: center;
  z-index: 3; position: relative; height: 100%; gap: 14px;
  font-weight: 600; transition: all 0.3s ease; overflow: hidden;
  border-radius: calc(var(--radius) * 0.85);
}
.content::before, .content::after { content: ""; inset: 0px; position: absolute; transition: all 1s var(--ease); border-radius: inherit; z-index: -1; }
.content::before {
  filter: blur(2px); top: -2px;
  background: linear-gradient(to bottom, #fff7e0 30%, var(--barley-white) 90%); 
}
.content::after {
  box-shadow:
    inset 0 -7px 1px 0 rgba(188, 115, 11, 0.1), 
    inset 0 -4px 1px 0 rgba(188, 115, 11, 0.15),
    inset 0 -2px 0 0 rgba(188, 115, 11, 0.2); 
}

.text { transition: all 0.3s ease; transform: translateY(-2px); display: flex; align-items: center; justify-content: center; position: absolute; inset: 0; }
.text span { display: block; color: transparent; position: relative; font-size: var(--font-size-button); }
.text span::before, .text span::after {
  content: attr(data-label); position: absolute; left: 0;
  color: var(--primary-dark);
  text-shadow: 0 1px 1px rgba(255, 255, 255, 0.8); 
}
.text span::before { opacity: 0; transform: translateY(-100%); }
.text.state-2 span::before, .text.state-2 span::after { color: var(--candy-corn); } 
.button:not(.is-loading) .text.state-2 { display: none; }
.button.is-loading .text.state-1 { display: none; }
.button.is-loading .text.state-2 span { filter: blur(5px); animation: char-out 1.2s ease calc(var(--i) * 0.04s) backwards; }
.area:hover .button:not(:disabled) .text span::before { animation: char-in 0.8s ease calc(var(--i) * 0.04s) forwards; }

@keyframes char-in { 0% { opacity: 0; transform: scale(10) translateX(-100%); filter: blur(10px); color: var(--primary); } 25% { transform: translateY(10%) translateX(calc(-40px + ((var(--i) - 1) / 10) * 80px)) scale(2); opacity: 1; filter: blur(1px); color: transparent; } 50% { transform: translateY(20%); opacity: 1; filter: blur(0); } 100% { transform: translateY(0); opacity: 1; filter: blur(0); } }
@keyframes char-out { 0% { transform: translateY(0); opacity: 1; } 40% { color: #ffffff; } 100% { transform: translateY(-80%) scale(4); filter: blur(4px); color: black; text-shadow: 0 4px 2px var(--buttercup); opacity: 0; } } 

.area:hover .button:not(:disabled) { transition: all 0.6s var(--ease-elastic), background 1s ease; transform: rotateX(0deg) translateY(5px); }
.area:hover .button:not(:disabled) .content::before { transform: scale(0.97, 0.92); }
.area:active .button:not(:disabled) { transform: rotateX(0deg) translateY(8px); }
.area:active .button:not(:disabled) .wrap { transform: scale(1) translate(0); }
.area:active .button:not(:disabled) .wave { opacity: 0; }
.area:active .button:not(:disabled) .content::before { filter: blur(13px); transform: scaleX(0.95); }

.sparks {
  pointer-events: none; position: absolute; margin: auto;
  transform: translateZ(100px); stroke: var(--barley-white); 
  left: 54px; top: 10px; height: 58px; opacity: 0;
}
.sparks path { stroke-width: 5px; stroke-dasharray: 30 150; stroke-dashoffset: 30; animation: sparks 0.6s ease infinite; animation-delay: calc(var(--i) * 1s); animation-duration: calc(var(--i) * 0.05s + 0.6s); }
@keyframes sparks { 0% { stroke-dasharray: 30 150; } 50%, 100% { stroke-dashoffset: -150; } }

.button.is-loading .gears, .button.is-loading .sparks { opacity: 1; }
.button.is-loading .sparks { transition: all 1.5s ease; }

.gears { overflow: hidden; border-radius: inherit; opacity: 0; position: absolute; inset: 4px; bottom: 1px; transition: all 1s ease; z-index: 1; }
.gears svg { width: 80%; fill: var(--candy-corn); position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); } /* Adjusted fill color */
.gears svg path { transform-origin: center; transform-box: fill-box; }
.gears svg .shadow { fill: rgba(188, 115, 11, 0.2); translate: 2px 8px; } 
.gears svg .small { animation: spin 2.5s infinite linear; }
.gears svg .medium { animation: spin reverse 3.75s infinite linear; }
.gears svg .large { translate: 3px -6px; animation: spin 5s infinite linear; }
.gears::before, .gears::after { content: ""; position: absolute; border-radius: 50%; bottom: 11px; height: 7px; width: 7px; background: rgba(246, 191, 70, 0.4); box-shadow: inset 0px 2px rgba(0, 0, 0, 0.2); } /* Adjusted background color */
.gears::before { left: 12px; }
.gears::after { right: 12px; }
@keyframes spin { to { transform: rotate(359deg); } }

/* --- Footer Styles --- */
footer {
  width: 100%; max-width: 500px; text-align: center; margin-top: 2rem;
  padding-bottom: 1rem; color: var(--text-on-light);
  font-size: 0.875rem; opacity: 0.6;
}
footer p { margin-bottom: 1rem; }
.copyright { margin-top: 1rem; font-size: 0.8rem; opacity: 0.7; }

@media (min-width: 600px) {
  .form-card { padding: 2.5rem; }
  .form-header-glass { padding: 1.5rem 2rem; }
  .form-header-glass .icon-container { font-size: 2rem; }
}

@media (min-width: 992px) {
  .form-card {
    transform: scale(1.05);
    box-shadow: 0 1.5rem 4rem rgba(188, 115, 11, 0.2), 0 0 1px 1px rgba(246, 191, 70, 0.3);
  }
}