:root {
  --bg: #fff6f9;
  --accent: #FF69B4;
  --accent-dark: #e85aa8;
  --border-light: #FFB6C1;
  --radius-frame: 32px;
  --radius-input: 20px;
  --font: 'Poppins', sans-serif;
  --grid-color: rgba(255,182,193,0.4);
  --grid-size: 40px;
  --grid-thick: 1px;
  --toast-duration: 1s;
  --toast-enter: 0.3s;
  --toast-exit: 0.3s;
  --toast-offset: 60px;
}

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

html, body {
  height: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  overflow: hidden;
}

#pinkboard {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

#welcome {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent calc(var(--grid-size) - var(--grid-thick)), var(--grid-color) var(--grid-thick)),
    repeating-linear-gradient(90deg, transparent, transparent calc(var(--grid-size) - var(--grid-thick)), var(--grid-color) var(--grid-thick));
  background-size: var(--grid-size) var(--grid-size);
  z-index: 100;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.5s ease, visibility 0s linear 0.5s;
}

#welcome.hidden {
  opacity: 0;
  visibility: hidden;
}

.prompt-box {
  background: #fff;
  border: 3px solid var(--accent);
  border-radius: var(--radius-frame);
  padding: 2rem;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  text-align: center;
  animation: fadeIn 0.4s ease-out forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0);   }
}

.prompt-text {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.input-group {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: center;
}

.input-group input {
  flex: 1;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-input);
  outline: none;
}

.input-group input:focus {
  border-color: var(--accent);
}

.submit-btn {
  width: 48px;
  height: 48px;
  background: var(--accent);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: box-shadow 0.3s;
}

.submit-btn:hover {
  box-shadow: 0 0 8px var(--accent);
}

.submit-btn svg {
  width: 24px;
  height: 24px;
  stroke: #fff;
  stroke-width: 2;
  stroke-linecap: round;
}

#app {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0s linear 0.5s;
  z-index: 10;
  overflow-y: auto;
  padding: 2rem 1.5rem;
}

#app.visible {
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}

.error-toast {
  position: fixed;
  right: 20px;
  background: rgba(255,0,0,0.9);
  color: #fff;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-input);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  font-weight: 600;
  animation:
    toastIn var(--toast-enter) ease-out forwards,
    toastOut var(--toast-exit) ease-in forwards var(--toast-duration);
  opacity: 0;
  z-index: 200;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0);  }
}

@keyframes toastOut {
  from { opacity: 1; }
  to   { opacity: 0; }
}

.container {
  max-width: 800px;
  margin: auto;
  color: #333;
  font-size: 1.2rem;
}

@keyframes popIn {
  from {
    opacity: 0;
    transform: translateX(-50%) scale(0.8);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) scale(1);
  }
}

#message-container {
  font-family: var(--font);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--accent);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  opacity: 0;
  pointer-events: none;
  animation: popIn 0.6s ease-out forwards;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

@keyframes fadeInText {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0);     }
}

#counter {
  font-size: 2rem;
  color: var(--accent);
  opacity: 0;
  animation: fadeInText 0.6s ease-out forwards 1s;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.1;
  margin-top: -125px;
}

.love-elapsed {
  margin-top: 0rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0rem;
  animation: fadeInText 1s ease-out forwards 1s;
  transform: none;
}  

.love-elapsed .label {
  font-size: 1.2rem;
  color: #b86ca8;
  letter-spacing: 0.5px;
  font-weight: 400;
  opacity: 0.75;
}

.love-elapsed .duration {
  font-size: 2.8rem;
  font-weight: 600;
  text-align: center;
  background: linear-gradient(90deg, #ff69b4, #c06fa3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

#screen-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 1s ease;
}

#booking-frame-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 48%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 2rem;
  pointer-events: none;
  overflow: visible;
  z-index: 50;
}

#booking-frame {
  background: #fff;
  border: 3px solid var(--accent);
  border-radius: var(--radius-frame);
  padding: 2.25rem 2.5rem 2rem;
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
  opacity: 0;
  transition: opacity 0.8s ease;
  pointer-events: auto;
  display: flex;
  flex-direction: column;
}

#booking-frame.visible {
  opacity: 1;
}

#booking-frame h2 {
  color: var(--accent);
  font-size: 2.25rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
  text-align: center;
}

#booking-frame form {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow: hidden;
}

.form-scroll-area {
  flex: 1;
  overflow-y: auto;
  padding-right: 4px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

#booking-frame label {
  font-size: 1.05rem;
  font-weight: 500;
  color: #333;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

#booking-frame .row {
  display: flex;
  gap: 1rem;
  flex-wrap: nowrap;
}

#booking-frame input,
#booking-frame textarea {
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border-radius: var(--radius-input);
  border: 2px solid var(--border-light);
  transition: border-color 0.3s;
}

#booking-frame input:focus,
#booking-frame textarea:focus {
  border-color: var(--accent);
  outline: none;
}

#booking-frame .submit-btn {
  margin-top: 1.5rem;
  background: linear-gradient(to right, var(--accent), var(--accent-dark));
  color: white;
  border: none;
  padding: 1rem 1.5rem;
  font-size: 1.05rem;
  font-weight: 600;
  border-radius: var(--radius-input);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.3s ease;
  width: 100%;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
}

#booking-frame .submit-btn:hover {
  box-shadow: 0 0 10px var(--accent);
}

#success-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent calc(var(--grid-size) - var(--grid-thick)), var(--grid-color) var(--grid-thick)),
    repeating-linear-gradient(90deg, transparent, transparent calc(var(--grid-size) - var(--grid-thick)), var(--grid-color) var(--grid-thick));
  background-size: var(--grid-size) var(--grid-size);
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0s linear 0.5s;
}

#success-screen.visible {
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}