:root {
  --p1: #faa6ff;
  --p2: #7353ba;
  --p3: #2f195f;
  --p4: #0f1020;
  --p5: #efc3f5;
  --black: #000000;
  --white: #ffffff;
  --success: #4ade80;
  --error: #f87171;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 15px;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  position: relative;
  overflow-x: hidden;
  background: linear-gradient(
    135deg,
    var(--p1) 0%,
    var(--p2) 40%,
    var(--p3) 70%,
    var(--p4) 100%
  );
  animation: gradientShift 12s ease-in-out infinite;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  will-change: transform;
  overscroll-behavior: none;
}

@keyframes gradientShift {
  0%,
  100% {
    background: linear-gradient(
      135deg,
      var(--p1),
      var(--p2),
      var(--p3),
      var(--p4)
    );
  }
  50% {
    background: linear-gradient(
      135deg,
      var(--p5),
      var(--p2),
      var(--p3),
      var(--p4)
    );
  }
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 10% 20%, #faa6ff33 0%, transparent 25%),
    radial-gradient(circle at 90% 30%, #7353ba33 0%, transparent 25%),
    radial-gradient(circle at 50% 80%, #2f195f33 0%, transparent 25%),
    radial-gradient(circle at 20% 70%, #efc3f533 0%, transparent 25%);
  pointer-events: none;
  z-index: -1;
  will-change: transform;
}

/* Floating hearts - ograniczone dla telefonów */
.floating-heart {
  position: fixed;
  font-size: 1.5rem;
  color: var(--p1);
  opacity: 0;
  pointer-events: none;
  z-index: -1;
  animation: floatHeart 20s linear infinite;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

@keyframes floatHeart {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.8;
  }
  90% {
    opacity: 0.8;
  }
  100% {
    transform: translateY(-100px) rotate(360deg);
    opacity: 0;
  }
}

/* Main container - FIXED POSITION dla telefonów */
.container {
  text-align: center;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.96),
    rgba(239, 195, 245, 0.6)
  );
  padding: 5.5rem 2rem 3rem;
  border-radius: 1.875rem;
  box-shadow: 0 1.25rem 3.75rem rgba(0, 0, 0, 0.35), 0 0 2.5rem #7353ba22,
    inset 0 0.0625rem 0 rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(8px);
  border: 0.125rem solid rgba(255, 255, 255, 0.3);
  animation: slideIn 0.8s ease-out;
  max-width: 43.75rem;
  width: 100%;
  position: relative;
  overflow: visible;
  margin: 3.5rem 1rem 1rem;
  z-index: 10;
  will-change: transform;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(1.875rem) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Floating top heart */
.floating-top-heart {
  position: absolute;
  font-size: 5.625rem;
  top: -4.375rem;
  left: 50%;
  transform: translateX(-50%);
  animation: float 3s ease-in-out infinite;
  color: var(--p1);
  filter: drop-shadow(0 0.3125rem 0.9375rem rgba(0, 0, 0, 0.3));
  z-index: 20;
  text-shadow: 0 0 1.25rem rgba(250, 166, 255, 0.7);
  line-height: 1;
  user-select: none;
  will-change: transform;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

@keyframes float {
  0%,
  100% {
    transform: translateX(-50%) translateY(0) rotate(0deg);
  }
  33% {
    transform: translateX(-50%) translateY(-1.125rem) rotate(5deg);
  }
  66% {
    transform: translateX(-50%) translateY(-0.625rem) rotate(-5deg);
  }
}

.content {
  position: relative;
  z-index: 2;
}

h1 {
  color: var(--p2);
  font-size: clamp(1.75rem, 5vw, 2.375rem);
  margin-bottom: 0.625rem;
  font-weight: 800;
  text-shadow: 0 0.1875rem 0.5rem rgba(0, 0, 0, 0.12);
  position: relative;
  display: inline-block;
  line-height: 1.3;
  padding: 0 0.5rem;
}

h1::after {
  content: "";
  position: absolute;
  bottom: -0.3125rem;
  left: 10%;
  width: 80%;
  height: 0.1875rem;
  background: linear-gradient(90deg, transparent, var(--p1), transparent);
}

.subtitle {
  color: var(--p3);
  font-size: clamp(1rem, 3vw, 1.125rem);
  margin-bottom: 1.875rem;
  font-style: italic;
  opacity: 0.9;
  animation: fadeIn 1s ease-out 0.5s both;
  line-height: 1.4;
  padding: 0 0.5rem;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(0.625rem);
  }
  to {
    opacity: 0.9;
    transform: translateY(0);
  }
}

.gifs-container {
  margin: 1.875rem 0;
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  padding: 0 0.5rem;
}

.gif-item {
  width: min(13.75rem, 45vw);
  height: min(13.75rem, 45vw);
  min-width: 8.125rem;
  min-height: 8.125rem;
  border-radius: 1.125rem;
  overflow: hidden;
  box-shadow: 0 0.625rem 1.875rem rgba(0, 0, 0, 0.25);
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 0.25rem solid transparent;
  background: linear-gradient(45deg, var(--p2), var(--p1)) border-box;
  animation: gifItemEntrance 0.8s ease-out;
  animation-fill-mode: both;
  will-change: transform;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

.gif-item:nth-child(1) {
  animation-delay: 0.2s;
}
.gif-item:nth-child(2) {
  animation-delay: 0.4s;
}
.gif-item:nth-child(3) {
  animation-delay: 0.6s;
}

@keyframes gifItemEntrance {
  from {
    opacity: 0;
    transform: translateY(1.875rem) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.gif-item:hover {
  transform: translateY(-0.625rem) scale(1.05);
  box-shadow: 0 0.9375rem 2.5rem rgba(115, 83, 186, 0.4);
  border-color: var(--p1);
}

.gif-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
}

.gif-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
  color: white;
  padding: 0.625rem;
  font-size: clamp(0.75rem, 2.5vw, 0.875rem);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.gif-item:hover .gif-caption {
  opacity: 1;
}

.buttons {
  margin-top: 2.5rem;
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  flex-wrap: wrap;
  padding: 0 0.5rem;
  position: relative;
  z-index: 5;
}

.valentine-btn {
  padding: clamp(0.875rem, 3vw, 1rem) clamp(1.5rem, 5vw, 2.5rem);
  font-size: clamp(1rem, 3.5vw, 1.25rem);
  border: none;
  border-radius: 0.9375rem;
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 700;
  box-shadow: 0 0.25rem 0.75rem rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
  min-width: min(10rem, 40vw);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  z-index: 1;
  touch-action: manipulation;
  user-select: none;
  -webkit-touch-callout: none;
  will-change: transform;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  outline: none;
  -webkit-tap-highlight-color: transparent;
}

.valentine-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s ease;
  z-index: -1;
}

.valentine-btn:active::before {
  left: 100%;
}

.valentine-btn:active {
  transform: scale(0.98) translateY(2px);
  box-shadow: 0 0.125rem 0.375rem rgba(0, 0, 0, 0.2);
}

#yesBtn {
  background: linear-gradient(135deg, var(--p1) 0%, var(--p2) 100%);
  color: var(--white);
}

#yesBtn:active {
  animation: none;
  transform: scale(0.98) translateY(2px);
}

#noBtn {
  background: linear-gradient(135deg, var(--p3) 0%, var(--p4) 100%);
  color: var(--white);
}

#noBtn:active {
  transform: scale(0.98) translateY(2px);
}

.confetti {
  position: fixed;
  pointer-events: none;
  z-index: 1000;
  opacity: 0;
  user-select: none;
  will-change: transform, opacity;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  border-radius: 2px;
}

/* Różne kształty konfetti */
.confetti.heart {
  background: #ff6b9d;
  font-size: 12px;
  line-height: 1;
  text-align: center;
  color: #ff3366;
}

.confetti.circle {
  border-radius: 50%;
}

.confetti.star {
  background: #ffeb3b;
  clip-path: polygon(
    50% 0%,
    61% 35%,
    98% 35%,
    68% 57%,
    79% 91%,
    50% 70%,
    21% 91%,
    32% 57%,
    2% 35%,
    39% 35%
  );
}

.confetti.rectangle {
  border-radius: 1px;
}

.confetti.triangle {
  background: transparent;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 10px solid;
}

/* Modal - FIXED dla telefonów */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  padding: 1rem;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

.modal-content {
  background: linear-gradient(135deg, var(--p3) 0%, var(--black) 100%);
  margin: auto;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 0.125rem solid var(--p2);
  border-radius: 1.25rem;
  width: 100%;
  max-width: 34.375rem;
  text-align: center;
  color: var(--white);
  box-shadow: 0 0 3.125rem #7353ba55;
  position: relative;
  overflow: hidden;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  max-height: 90vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.modal-content::before {
  content: "";
  position: absolute;
  width: 200%;
  height: 200%;
  top: -50%;
  left: -50%;
  background: radial-gradient(
    circle,
    transparent 30%,
    rgba(250, 166, 255, 0.05) 70%
  );
  animation: rotate 20s linear infinite;
  z-index: 0;
}

.modal-content > * {
  position: relative;
  z-index: 1;
}

.modal-content h2 {
  color: var(--p1);
  margin-top: 0;
  font-size: clamp(1.25rem, 4vw, 1.625rem);
  margin-bottom: 1.25rem;
  line-height: 1.3;
}

.modal-content p {
  color: var(--p5);
  font-size: clamp(1rem, 3vw, 1.125rem);
  margin: 0.9375rem 0;
  line-height: 1.5;
}

.modal-content input {
  padding: clamp(0.75rem, 2vw, 0.875rem);
  width: 100%;
  max-width: 20rem;
  font-size: clamp(1rem, 3vw, 1.125rem);
  border: 0.125rem solid var(--p2);
  border-radius: 0.625rem;
  background: #1b1028;
  color: var(--p5);
  margin: 0.9375rem 0;
  box-sizing: border-box;
  transition: all 0.3s ease;
  -webkit-appearance: none;
  appearance: none;
  outline: none;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

.modal-content input:focus {
  background: #241231;
  border-color: var(--p1);
  box-shadow: 0 0 0.9375rem rgba(250, 166, 255, 0.5);
}

.modal-buttons {
  display: flex;
  gap: 0.9375rem;
  justify-content: center;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}

.modal-btn {
  background: var(--p2);
  color: var(--white);
  padding: clamp(0.625rem, 2vw, 0.75rem) clamp(1rem, 3vw, 1.75rem);
  border: none;
  border-radius: 0.625rem;
  cursor: pointer;
  font-size: clamp(0.875rem, 2.5vw, 1rem);
  font-weight: 600;
  transition: all 0.2s ease;
  min-width: min(7.5rem, 30vw);
  touch-action: manipulation;
  user-select: none;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  outline: none;
  -webkit-tap-highlight-color: transparent;
}

.modal-btn:active {
  background: var(--p1);
  transform: scale(0.98);
  box-shadow: 0 0.125rem 0.375rem rgba(0, 0, 0, 0.2);
}

.hint {
  color: var(--p5);
  font-size: clamp(0.875rem, 2.5vw, 1rem);
  margin-top: 0.9375rem;
  font-style: italic;
  line-height: 1.4;
}

.success {
  color: var(--success);
  font-size: clamp(1rem, 3vw, 1.25rem);
  margin: 0.9375rem 0;
  font-weight: 600;
  animation: successPulse 1s infinite;
  line-height: 1.4;
}

@keyframes successPulse {
  0%,
  100% {
    text-shadow: 0 0 0.3125rem var(--success);
  }
  50% {
    text-shadow: 0 0 0.9375rem var(--success);
  }
}

.error {
  color: var(--error);
  font-size: clamp(0.875rem, 2.5vw, 1.125rem);
  margin: 0.9375rem 0;
  font-weight: 600;
  line-height: 1.4;
}

.attempts-counter {
  color: var(--p5);
  font-size: clamp(0.875rem, 2.5vw, 1rem);
  margin-top: 0.625rem;
}

/* Love message - FIXED dla telefonów */
.love-message {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  background: linear-gradient(135deg, var(--p1), var(--p2));
  color: white;
  padding: clamp(1rem, 3vw, 1.875rem) clamp(1.5rem, 4vw, 3.125rem);
  border-radius: 1.25rem;
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  font-weight: 800;
  text-align: center;
  box-shadow: 0 1.25rem 3.75rem rgba(0, 0, 0, 0.4);
  z-index: 3001;
  display: none;
  animation: messageAppear 1s ease-out forwards;
  max-width: 90%;
  line-height: 1.4;
  user-select: none;
  will-change: transform;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

@keyframes messageAppear {
  0% {
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
  }
  70% {
    transform: translate(-50%, -50%) scale(1.1);
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
}

footer {
  margin-top: 1.875rem;
  color: var(--p3);
  font-size: clamp(0.75rem, 2.5vw, 0.875rem);
  opacity: 0.8;
  padding: 0 0.5rem;
}

.hearts-container {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: -1;
  user-select: none;
  will-change: transform;
}

/* Animacje CSS dla modal - bez JS transform */
@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* MEDIA QUERIES dla telefonów */
@media (max-width: 768px) {
  body {
    padding: 10px;
    overflow-y: auto;
  }

  .container {
    padding: 4.5rem 1.25rem 2rem;
    margin: 3rem auto 1rem;
    max-height: 90vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    position: relative;
    transform: none !important;
    -webkit-transform: none !important;
  }

  .floating-top-heart {
    font-size: 4.375rem;
    top: -3.125rem;
    position: fixed;
    z-index: 100;
  }

  .gifs-container {
    gap: 0.9375rem;
  }

  .gif-item {
    width: min(11.25rem, 42vw);
    height: min(11.25rem, 42vw);
  }

  .buttons {
    gap: 0.9375rem;
    position: sticky;
    bottom: 0;
    background: linear-gradient(
      to top,
      rgba(255, 255, 255, 0.95),
      rgba(239, 195, 245, 0.7)
    );
    padding: 1rem 0.5rem;
    margin-top: 2rem;
    border-radius: 1rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  .modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) !important;
    -webkit-transform: translate(-50%, -50%) !important;
    margin: 0;
    animation: modalSlideIn 0.3s ease-out;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 4rem 1rem 1.5rem;
    margin: 2.5rem auto 1rem;
    border-radius: 1.25rem;
  }

  .floating-top-heart {
    font-size: 3.75rem;
    top: -2.5rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  .subtitle {
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
  }

  .gifs-container {
    gap: 0.75rem;
  }

  .gif-item {
    width: min(9.375rem, 40vw);
    height: min(9.375rem, 40vw);
    min-width: 6.25rem;
    min-height: 6.25rem;
  }

  .buttons {
    gap: 0.75rem;
    margin-top: 2rem;
    padding: 0.75rem 0.5rem;
  }

  .valentine-btn {
    min-width: 8.75rem;
    padding: 0.75rem 1.5rem;
  }

  .modal-content {
    padding: 1.25rem;
    width: 95%;
  }

  .modal-buttons {
    gap: 0.625rem;
  }

  .modal-btn {
    min-width: 6.25rem;
    padding: 0.5rem 1rem;
  }
}

@media (max-width: 360px) {
  .container {
    padding: 3.5rem 0.75rem 1.25rem;
  }

  .floating-top-heart {
    font-size: 3.125rem;
    top: -2.1875rem;
  }

  h1 {
    font-size: 1.375rem;
  }

  .gif-item {
    width: 8.125rem;
    height: 8.125rem;
  }

  .buttons {
    flex-direction: column;
    align-items: center;
  }

  .valentine-btn {
    width: 100%;
    max-width: 15rem;
  }
}

/* Zapobieganie animacjom na niskim FPS */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Preload krytycznych elementów */
.preload {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}