:root {
  --primary: #e94560;
  --primary-rgb: 233, 69, 96;
  --secondary: #533483;
  --secondary-rgb: 83, 52, 131;
  --bg-dark-1: #0a0a1a;
  --bg-dark-2: #1a1a3e;
  --text-dark: #e0e0e0;
  --text-dark-secondary: #a0a0b8;
  --card-dark: rgba(255,255,255,0.06);
  --border-dark: rgba(255,255,255,0.1);
  --bg-light-1: #f5f0ff;
  --bg-light-2: #e8e0f0;
  --text-light: #1a1a2e;
  --text-light-secondary: #555570;
  --card-light: rgba(255,255,255,0.7);
  --border-light: rgba(0,0,0,0.1);
  --shadow: 0 8px 32px rgba(0,0,0,0.3);
  --glass-blur: 16px;
  --radius: 20px;
  --transition: cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Cairo', sans-serif;
}
[data-theme="dark"] {
  --bg-1: var(--bg-dark-1);
  --bg-2: var(--bg-dark-2);
  --text: var(--text-dark);
  --text-secondary: var(--text-dark-secondary);
  --card-bg: var(--card-dark);
  --card-border: var(--border-dark);
}
[data-theme="light"] {
  --bg-1: var(--bg-light-1);
  --bg-2: var(--bg-light-2);
  --text: var(--text-light);
  --text-secondary: var(--text-light-secondary);
  --card-bg: var(--card-light);
  --card-border: var(--border-light);
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg-1);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  transition: background 0.6s var(--transition), color 0.6s var(--transition);
  position: relative;
  overflow-x: hidden;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at 20% 50%, var(--secondary) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 20%, var(--primary) 0%, transparent 50%),
              radial-gradient(ellipse at 50% 80%, #1a1a3e 0%, transparent 50%);
  opacity: 0.4;
  z-index: 0;
  animation: meshMove 20s ease-in-out infinite alternate;
}
@keyframes meshMove {
  0% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.1) rotate(2deg); }
  100% { transform: scale(1) rotate(-1deg); }
}
#particles-canvas {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.wave-bg {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 120px;
  z-index: 0;
  opacity: 0.15;
  overflow: hidden;
}
.wave-bg svg {
  position: absolute;
  bottom: 0;
  width: 200%;
  height: 100%;
  animation: waveMove 10s linear infinite;
}
.wave-bg svg:nth-child(2) {
  animation-duration: 15s;
  animation-direction: reverse;
  opacity: 0.5;
}
@keyframes waveMove {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
main {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 420px;
}
.card {
  background: var(--card-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 30px 24px;
  transition: all 0.5s var(--transition);
  opacity: 0;
  transform: translateY(30px);
  animation: cardEntrance 0.8s var(--transition) forwards;
}
@keyframes cardEntrance {
  to { opacity: 1; transform: translateY(0); }
}
.theme-toggle {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 100;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s var(--transition);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.theme-toggle:hover {
  transform: scale(1.1) rotate(15deg);
  border-color: var(--primary);
  box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.3);
}
.theme-toggle .fa-sun { display: none; }
[data-theme="light"] .theme-toggle .fa-moon { display: none; }
[data-theme="light"] .theme-toggle .fa-sun { display: inline; }
.lang-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 100;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s var(--transition);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  font-family: var(--font);
}
.lang-toggle:hover {
  transform: scale(1.1);
  border-color: var(--primary);
  box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.3);
}
.profile-section { text-align: center; margin-bottom: 24px; }
.profile-img-wrapper {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto 16px;
}
.profile-ring {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 3px solid transparent;
  background: linear-gradient(var(--card-bg), var(--card-bg)) padding-box,
              linear-gradient(135deg, var(--primary), var(--secondary), var(--primary)) border-box;
  animation: spinRing 4s linear infinite;
  transition: all 0.5s var(--transition);
}
@keyframes spinRing {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.profile-img-wrapper:hover .profile-ring {
  inset: -6px;
  border-width: 4px;
  animation-duration: 2s;
}
.profile-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.3);
  transition: all 0.5s var(--transition);
}
.profile-img-wrapper:hover .profile-img {
  transform: scale(1.08) rotate(5deg);
  box-shadow: 0 0 40px rgba(var(--primary-rgb), 0.5);
}
.online-status {
  position: absolute;
  bottom: 6px;
  right: 6px;
  width: 18px;
  height: 18px;
  background: #22c55e;
  border-radius: 50%;
  border: 3px solid var(--bg-1);
  z-index: 2;
  animation: pulse 2s infinite;
  transition: border-color 0.6s var(--transition);
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.6); }
  50% { box-shadow: 0 0 0 8px rgba(34,197,94,0); }
}
.name {
  font-size: 26px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}
.username {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  direction: ltr;
}
.typing-wrapper {
  height: 28px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.typing-text { font-size: 15px; color: var(--text-secondary); font-weight: 500; }
.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 18px;
  background: var(--primary);
  animation: blink 0.8s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.clock {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  padding: 8px 16px;
  background: rgba(var(--primary-rgb), 0.08);
  border-radius: 12px;
  display: inline-block;
  width: 100%;
  text-align: center;
}
.counters {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 20px;
  font-size: 12px;
  color: var(--text-secondary);
}
.counters span { display: flex; align-items: center; gap: 6px; }
.counters i { color: var(--primary); }
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
  margin: 20px 0;
  position: relative;
  overflow: hidden;
}
.divider::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
  animation: shimmer 2s infinite;
}
@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
.social-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.social-btn {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: var(--text);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all 0.4s var(--transition);
  backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
}
.social-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 14px;
  opacity: 0;
  transition: opacity 0.4s var(--transition);
}
.social-btn:hover::before { opacity: 1; }
.social-btn:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 8px 25px rgba(var(--primary-rgb), 0.25);
}
.social-btn i { position: relative; z-index: 1; }
.social-btn.facebook:hover { color: #1877f2; border-color: #1877f2; }
.social-btn.twitter:hover { color: #1da1f2; border-color: #1da1f2; }
.social-btn.instagram:hover { color: #e4405f; border-color: #e4405f; }
.social-btn.whatsapp:hover { color: #25d366; border-color: #25d366; }
.action-buttons {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.action-btn {
  padding: 10px 18px;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: var(--text);
  font-size: 13px;
  font-family: var(--font);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.4s var(--transition);
  backdrop-filter: blur(8px);
}
.action-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.2);
}
.action-btn:active { transform: scale(0.95); }
.message-section, .guestbook-section, .chart-section, .qr-section { margin-bottom: 20px; }
.section-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-title i { color: var(--primary); }
textarea {
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  background: rgba(var(--primary-rgb), 0.04);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  resize: vertical;
  min-height: 80px;
  transition: all 0.4s var(--transition);
  outline: none;
}
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 16px rgba(var(--primary-rgb), 0.15);
}
textarea::placeholder { color: var(--text-secondary); }
.send-btn {
  width: 100%;
  padding: 12px;
  margin-top: 10px;
  border-radius: 12px;
  border: none;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.4s var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: relative;
  overflow: hidden;
}
.send-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(var(--primary-rgb), 0.35);
}
.send-btn:active { transform: scale(0.97); }
.send-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.send-btn .sparkle-container {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.sparkle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: #fff;
  border-radius: 50%;
  animation: sparkleFly 0.8s ease-out forwards;
}
@keyframes sparkleFly {
  0% { opacity: 1; transform: translate(0,0) scale(1); }
  100% { opacity: 0; transform: translate(var(--tx), var(--ty)) scale(0); }
}
.toast-container {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: calc(100% - 40px);
  max-width: 380px;
  pointer-events: none;
}
.toast {
  padding: 12px 18px;
  border-radius: 12px;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toastIn 0.4s var(--transition) forwards;
  pointer-events: auto;
}
.toast.removing { animation: toastOut 0.3s var(--transition) forwards; }
@keyframes toastIn {
  from { opacity: 0; transform: translateY(-20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes toastOut {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to { opacity: 0; transform: translateY(-20px) scale(0.95); }
}
.toast i { font-size: 18px; }
.toast.success i { color: #22c55e; }
.toast.error i { color: #ef4444; }
.toast.info i { color: var(--primary); }
.admin-panel {
  margin-top: 20px;
  border-top: 1px solid var(--card-border);
  padding-top: 16px;
}
.admin-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 12px;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.3s;
}
.admin-toggle:hover { opacity: 1; }
.admin-login { display: none; margin-top: 10px; }
.admin-login.show { display: block; }
.admin-login input {
  width: 100%;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--card-border);
  background: rgba(var(--primary-rgb), 0.04);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  outline: none;
  transition: all 0.3s var(--transition);
}
.admin-login input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 12px rgba(var(--primary-rgb), 0.15);
}
.admin-login .login-btn {
  width: 100%;
  padding: 10px;
  margin-top: 8px;
  border-radius: 10px;
  border: none;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s var(--transition);
}
.admin-login .login-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(var(--primary-rgb), 0.3); }
.admin-dashboard { display: none; margin-top: 12px; }
.admin-dashboard.show { display: block; }
.admin-dashboard .msg-item {
  padding: 12px;
  background: rgba(var(--primary-rgb), 0.06);
  border-radius: 10px;
  margin-bottom: 8px;
  border: 1px solid var(--card-border);
  font-size: 13px;
  position: relative;
  animation: msgIn 0.3s var(--transition);
}
@keyframes msgIn {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}
.admin-dashboard .msg-item .msg-date {
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}
.admin-dashboard .msg-item .delete-msg {
  position: absolute;
  top: 8px;
  left: 8px;
  background: none;
  border: none;
  color: #ef4444;
  cursor: pointer;
  font-size: 14px;
  opacity: 0.6;
  transition: opacity 0.3s;
}
.admin-dashboard .msg-item .delete-msg:hover { opacity: 1; }
.admin-dashboard .no-msgs {
  text-align: center;
  color: var(--text-secondary);
  font-size: 13px;
  padding: 20px 0;
}
.admin-dashboard .export-btn {
  width: 100%;
  padding: 10px;
  margin-top: 8px;
  border-radius: 10px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.3s var(--transition);
}
.admin-dashboard .export-btn:hover { border-color: var(--secondary); color: var(--secondary); }
.guestbook-entries {
  max-height: 200px;
  overflow-y: auto;
  margin-top: 10px;
}
.guestbook-entries::-webkit-scrollbar { width: 4px; }
.guestbook-entries::-webkit-scrollbar-track { background: transparent; }
.guestbook-entries::-webkit-scrollbar-thumb { background: var(--card-border); border-radius: 4px; }
.guest-entry {
  padding: 10px 12px;
  background: rgba(var(--primary-rgb), 0.04);
  border-radius: 10px;
  margin-bottom: 6px;
  font-size: 13px;
  border: 1px solid var(--card-border);
}
.guest-entry .guest-name { font-weight: 700; color: var(--primary); font-size: 12px; }
.guest-entry .guest-date { font-size: 11px; color: var(--text-secondary); }
.guest-entry .guest-msg { margin-top: 4px; }
.chart-wrapper { position: relative; height: 150px; margin-top: 8px; }
.qr-wrapper { display: flex; justify-content: center; margin-top: 8px; }
.qr-wrapper #qrcode { padding: 12px; background: #fff; border-radius: 12px; display: inline-block; }
.qr-wrapper #qrcode img { display: block; }
.music-toggle {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 100;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s var(--transition);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.music-toggle:hover {
  transform: scale(1.1);
  border-color: var(--primary);
  box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.3);
}
.music-toggle.muted { opacity: 0.5; }
.fireworks-container {
  position: fixed;
  inset: 0;
  z-index: 150;
  pointer-events: none;
}
.firework-particle {
  position: absolute;
  border-radius: 50%;
  animation: fireworkBurst 1s ease-out forwards;
}
@keyframes fireworkBurst {
  0% { opacity: 1; transform: translate(0,0) scale(1); }
  100% { opacity: 0; transform: translate(var(--fx), var(--fy)) scale(0); }
}
.footer {
  text-align: center;
  font-size: 12px;
  color: var(--text-secondary);
  padding-top: 16px;
  border-top: 1px solid var(--card-border);
  margin-top: 16px;
  opacity: 0.7;
}
[data-lang="en"] .ar-only { display: none; }
[data-lang="ar"] .en-only { display: none; }
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--transition), transform 0.6s var(--transition);
}
.fade-in.visible { opacity: 1; transform: translateY(0); }
@media (max-width: 480px) {
  body { padding: 12px; }
  .card { padding: 20px 16px; }
  .profile-img-wrapper { width: 100px; height: 100px; }
  .name { font-size: 22px; }
  .social-btn { width: 42px; height: 42px; font-size: 17px; }
  .action-btn { padding: 8px 14px; font-size: 12px; }
  .theme-toggle, .lang-toggle { width: 40px; height: 40px; font-size: 16px; top: 12px; }
  .theme-toggle { left: 12px; }
  .lang-toggle { right: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}