:root {
  --primary-color: #00f0ff;
  --secondary-color: #0033ff;
  --accent-color: #ff00cc;
  --bg-color: #080f2e;
  --text-color: #e0f7ff;
  --dark-blue: #0c1445;
  --light-blue: #7af3ff;
}

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

body {
  font-family: "Rajdhani", sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-image: radial-gradient(
      circle at 20% 20%,
      rgba(0, 240, 255, 0.15) 0%,
      transparent 30%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(255, 0, 204, 0.15) 0%,
      transparent 30%
    );
  overflow-y: auto;
  padding: env(safe-area-inset-top) env(safe-area-inset-right)
    env(safe-area-inset-bottom) env(safe-area-inset-left);
  -webkit-overflow-scrolling: touch;
}

.container {
  width: 100%;
  max-width: 1000px;
  padding: 20px;
  perspective: 1000px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(20px, env(safe-area-inset-top))
    max(20px, env(safe-area-inset-right)) max(20px, env(safe-area-inset-bottom))
    max(20px, env(safe-area-inset-left));
}

.invitation-card {
  background: linear-gradient(
    135deg,
    rgba(12, 20, 69, 0.8) 0%,
    rgba(0, 7, 45, 0.9) 100%
  );
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7), 0 0 20px rgba(0, 240, 255, 0.3),
    inset 0 0 15px rgba(0, 51, 255, 0.2);
  backdrop-filter: blur(10px);
  overflow: hidden;
  position: relative;
  transform-style: preserve-3d;
  transform: rotateX(5deg);
  transition: transform 0.5s ease;
  border: 1px solid rgba(0, 240, 255, 0.3);
  animation: float 6s ease-in-out infinite;
  max-width: 100%;
  box-sizing: border-box;
}

@keyframes float {
  0%,
  100% {
    transform: rotateX(5deg) translateY(0px);
  }
  50% {
    transform: rotateX(5deg) translateY(-20px);
  }
}

.invitation-card:hover {
  transform: rotateX(0deg);
}

.invitation-card::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 0%,
    rgba(0, 240, 255, 0.1) 30%,
    transparent 60%
  );
  transform: rotate(30deg);
  animation: shine 6s linear infinite;
  pointer-events: none;
}

@keyframes shine {
  0% {
    transform: translateX(-100%) rotate(30deg);
  }
  100% {
    transform: translateX(100%) rotate(30deg);
  }
}

.card-header {
  position: relative;
  padding: 40px 30px 20px;
  text-align: center;
  border-bottom: 1px solid rgba(0, 240, 255, 0.3);
}

.hologram {
  position: absolute;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 100px;
  background: radial-gradient(
    circle,
    rgba(0, 240, 255, 0.3) 0%,
    transparent 70%
  );
  border-radius: 50%;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
  opacity: 0.7;
  animation: pulse 2s ease-in-out infinite alternate;
}

@keyframes pulse {
  0% {
    opacity: 0.3;
    transform: translateX(-50%) scale(0.8);
  }
  100% {
    opacity: 0.7;
    transform: translateX(-50%) scale(1.1);
  }
}

.card-header h1 {
  font-family: "Orbitron", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 4px;
  margin-top: 60px;
  background: linear-gradient(
    to right,
    var(--light-blue),
    var(--primary-color),
    var(--accent-color)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

.scanning-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
  box-shadow: 0 0 10px var(--primary-color);
  animation: scan 2s linear infinite;
}

@keyframes scan {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.card-body {
  padding: 30px;
}

.greeting {
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.welcome-text {
  font-family: "Orbitron", sans-serif;
  font-size: 1.2rem;
  letter-spacing: 2px;
  color: var(--primary-color);
  margin-bottom: 10px;
}

#guest-name {
  font-family: "Orbitron", sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-color);
  letter-spacing: 3px;
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.7);
  position: relative;
  animation: glitch 5s infinite;
}

@keyframes glitch {
  0%,
  100% {
    transform: translateX(0);
  }
  92% {
    transform: translateX(0);
  }
  93% {
    transform: translateX(3px);
  }
  94% {
    transform: translateX(-3px);
  }
  95% {
    transform: translateX(3px);
  }
  96% {
    transform: translateX(0);
  }
}

.event-details {
  display: grid;
  grid-template-columns: 1fr;
  gap: 25px;
  margin-bottom: 40px;
}

.host,
.date-time,
.location {
  background: rgba(12, 20, 69, 0.5);
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2),
    inset 0 0 10px rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.2);
}

.date-time {
  display: flex;
  justify-content: space-between;
}

.date,
.time {
  width: 48%;
}

.detail-label {
  display: block;
  font-size: 0.8rem;
  color: var(--primary-color);
  margin-bottom: 5px;
  letter-spacing: 1px;
}

.detail-value {
  display: block;
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 1px;
}

.card-footer {
  margin-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.rsvp {
  display: flex;
  gap: 15px;
}

.accept-btn,
.decline-btn {
  font-family: "Orbitron", sans-serif;
  background: transparent;
  color: var(--text-color);
  border: 2px solid;
  padding: 10px 25px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1rem;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.accept-btn {
  border-color: var(--primary-color);
}

.decline-btn {
  border-color: var(--accent-color);
}

.accept-btn:hover,
.decline-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.accept-btn:hover {
  background-color: var(--primary-color);
  color: var(--dark-blue);
}

.decline-btn:hover {
  background-color: var(--accent-color);
  color: var(--dark-blue);
}

.code-container {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

.barcode {
  width: 100px;
  height: 40px;
  background: repeating-linear-gradient(
    to right,
    var(--text-color) 0px,
    var(--text-color) 2px,
    transparent 2px,
    transparent 4px,
    var(--text-color) 4px,
    var(--text-color) 5px,
    transparent 5px,
    transparent 8px
  );
  position: relative;
}

.barcode::before {
  content: "";
  position: absolute;
  top: -5px;
  left: -5px;
  right: -5px;
  bottom: -5px;
  background: linear-gradient(
    45deg,
    var(--primary-color),
    var(--secondary-color)
  );
  z-index: -1;
  border-radius: 5px;
  opacity: 0.3;
}

.access-code {
  font-family: "Orbitron", sans-serif;
  font-size: 0.9rem;
  color: var(--primary-color);
  letter-spacing: 1px;
}

@media (max-width: 768px) {
  body {
    padding: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .container {
    padding: max(10px, env(safe-area-inset-top))
      max(10px, env(safe-area-inset-right))
      max(10px, env(safe-area-inset-bottom))
      max(10px, env(safe-area-inset-left));
    min-height: auto;
    margin: 0;
  }

  .invitation-card {
    transform: none;
    animation: float-mobile 6s ease-in-out infinite;
    margin: 10px 0;
    width: 100%;
    max-width: 100%;
  }

  .card-header {
    padding: max(30px, env(safe-area-inset-top)) 20px 15px;
  }

  .card-body {
    padding: 20px;
    width: 100%;
    overflow-x: hidden;
  }

  .event-details {
    width: 100%;
    overflow-x: hidden;
  }

  .host,
  .date-time,
  .location {
    width: 100%;
    overflow-x: hidden;
  }

  .card-footer {
    width: 100%;
    overflow-x: hidden;
  }

  .rsvp {
    width: 100%;
    overflow-x: hidden;
  }

  .card-header h1 {
    font-size: 1.5rem;
    margin-top: 40px;
    letter-spacing: 2px;
  }

  #guest-name {
    font-size: 2rem;
    letter-spacing: 2px;
  }

  .date-time {
    flex-direction: column;
    gap: 15px;
  }

  .date,
  .time {
    width: 100%;
  }

  .card-footer {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }

  .accept-btn,
  .decline-btn {
    padding: 8px 20px;
    font-size: 0.9rem;
  }

  .code-container {
    align-items: center;
  }

  .barcode {
    width: 80px;
    height: 30px;
  }

  .access-code {
    font-size: 0.8rem;
  }
}

@media (min-width: 768px) {
  .event-details {
    grid-template-columns: repeat(2, 1fr);
    grid-template-areas:
      "host location"
      "date-time date-time";
  }

  .host {
    grid-area: host;
  }

  .location {
    grid-area: location;
  }

  .date-time {
    grid-area: date-time;
  }
}

/* Tablet Styles */
@media (max-width: 1024px) {
  .container {
    max-width: 90%;
    padding: 15px;
  }

  .card-header h1 {
    font-size: 1.8rem;
    margin-top: 50px;
  }

  #guest-name {
    font-size: 2.2rem;
  }

  .event-details {
    gap: 20px;
  }

  .detail-value {
    font-size: 1.2rem;
  }
}

/* Small Mobile Styles */
@media (max-width: 480px) {
  .container {
    padding: max(5px, env(safe-area-inset-top))
      max(5px, env(safe-area-inset-right)) max(5px, env(safe-area-inset-bottom))
      max(5px, env(safe-area-inset-left));
  }

  .card-header h1 {
    font-size: 1.3rem;
    margin-top: 35px;
  }

  #guest-name {
    font-size: 1.8rem;
  }

  .welcome-text {
    font-size: 1rem;
  }

  .card-body {
    padding: 15px;
  }

  .host,
  .date-time,
  .location {
    padding: 12px;
  }

  .detail-label {
    font-size: 0.7rem;
  }

  .detail-value {
    font-size: 1rem;
  }

  .rsvp {
    flex-direction: column;
    gap: 10px;
  }

  .accept-btn,
  .decline-btn {
    width: 100%;
    padding: 10px;
  }

  .barcode {
    width: 70px;
    height: 25px;
  }

  .access-code {
    font-size: 0.75rem;
  }
}

/* Landscape Mode */
@media (max-height: 600px) and (orientation: landscape) {
  body {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .container {
    padding: max(10px, env(safe-area-inset-top))
      max(10px, env(safe-area-inset-right))
      max(10px, env(safe-area-inset-bottom))
      max(10px, env(safe-area-inset-left));
    min-height: auto;
  }

  .invitation-card {
    margin: 10px 0;
  }

  .card-header {
    padding: 20px 15px 10px;
  }

  .hologram {
    width: 60px;
    height: 60px;
  }

  .card-header h1 {
    font-size: 1.3rem;
    margin-top: 30px;
  }

  #guest-name {
    font-size: 1.8rem;
  }

  .card-body {
    padding: 15px;
  }

  .event-details {
    gap: 15px;
  }

  .host,
  .date-time,
  .location {
    padding: 12px;
  }

  .detail-value {
    font-size: 1.1rem;
  }

  .card-footer {
    margin-top: 20px;
  }
}

/* High DPI Screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .invitation-card {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7), 0 0 20px rgba(0, 240, 255, 0.3),
      inset 0 0 15px rgba(0, 51, 255, 0.2);
  }
}

/* Print Styles */
@media print {
  body {
    background: white;
    color: black;
  }

  .invitation-card {
    box-shadow: none;
    border: 1px solid #000;
    transform: none;
    animation: none;
  }

  .hologram,
  .scanning-line,
  .particle {
    display: none;
  }

  .accept-btn,
  .decline-btn {
    display: none;
  }

  .barcode {
    border: 1px solid #000;
  }
}

/* iOS Safe Area Support */
@supports (padding: max(0px)) {
  .container {
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
    padding-top: max(20px, env(safe-area-inset-top));
    padding-bottom: max(20px, env(safe-area-inset-bottom));
  }
}

/* Prevent horizontal scroll */
html,
body {
  overflow-x: hidden;
  width: 100%;
  position: relative;
}

/* Fix for iOS Safari 100vh issue */
@supports (-webkit-touch-callout: none) {
  .container {
    min-height: -webkit-fill-available;
  }
}