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

:root {
  --bg-deep: #030712;
  --bg-surface: rgba(15, 23, 42, 0.7);
  --accent-primary: #f59e0b;
  --accent-secondary: #fbbf24;
  --accent-glow: rgba(245, 158, 11, 0.4);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-subtle: rgba(148, 163, 184, 0.1);
  --border-accent: rgba(245, 158, 11, 0.3);
}

body {
  font-family: 'Outfit', system-ui, sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* RTL support */
body.rtl {
  direction: rtl;
}

/* Locale selector positioning */
.locale-selector-wrapper {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 100;
}

@media (max-width: 480px) {
  .locale-selector-wrapper {
    top: 8px;
    right: 8px;
  }
}

/* Starfield background */
.stars {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.star {
  position: absolute;
  background: #fff;
  border-radius: 50%;
  animation: twinkle var(--duration) ease-in-out infinite;
  animation-delay: var(--delay);
}

@keyframes twinkle {
  0%,
  100% {
    opacity: var(--base-opacity);
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.2);
  }
}

.shooting-stars {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.shooting-star {
  position: absolute;
  width: 100px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), transparent);
  border-radius: 2px;
  animation: shoot 1.5s ease-out forwards;
  opacity: 0;
}

@keyframes shoot {
  0% {
    transform: translateX(0) translateY(0) rotate(-45deg);
    opacity: 1;
  }
  100% {
    transform: translateX(400px) translateY(400px) rotate(-45deg);
    opacity: 0;
  }
}

.container {
  position: relative;
  z-index: 10;
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.header {
  text-align: center;
  margin-bottom: 32px;
}

.title {
  font-family: 'Orbitron', monospace;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: linear-gradient(
    135deg,
    var(--accent-primary) 0%,
    var(--accent-secondary) 50%,
    #fff 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 60px var(--accent-glow);
  margin-bottom: 0;
  display: flex;
  align-items: baseline;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.3em;
}

.subtitle {
  font-family: 'Outfit', system-ui, sans-serif;
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  font-weight: 300;
  letter-spacing: 0.02em;
  text-transform: none;
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: var(--text-secondary);
  background-clip: unset;
  opacity: 0.7;
}

/* Event Selector */
.event-selector {
  background: var(--bg-surface);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 24px;
  position: relative;
  z-index: 50;
}

.event-selector-row {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
}

/* Event Autocomplete Web Component */
event-autocomplete {
  display: block;
  width: 100%;
  max-width: 400px;
  position: relative;
  z-index: 100;
}

/* Custom Event Toggle Button */
.toggle-custom-btn {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid var(--border-accent);
  color: var(--accent-secondary);
  padding: 10px 16px;
  border-radius: 12px;
  font-family: 'Outfit', sans-serif;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-shrink: 0;
  white-space: nowrap;
}

.toggle-custom-btn:hover {
  background: rgba(245, 158, 11, 0.2);
  border-color: var(--accent-primary);
}

.toggle-custom-btn.active {
  background: var(--accent-primary);
  color: var(--bg-deep);
}

.toggle-icon {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1;
  transition: transform 0.3s ease;
}

.toggle-text {
  font-size: 0.9rem;
  font-weight: 500;
}

.toggle-custom-btn.active .toggle-icon {
  transform: rotate(45deg);
}

/* Custom Event Form */
.custom-event-form {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
  animation: slideDown 0.2s ease;
}

.custom-form-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  position: relative;
}

.emoji-btn {
  width: 40px;
  height: 40px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-accent);
  border-radius: 10px;
  font-size: 1.3rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.emoji-btn:hover {
  border-color: var(--accent-primary);
  transform: scale(1.05);
}

.emoji-picker {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: rgba(15, 23, 42, 0.98);
  border: 1px solid var(--border-accent);
  border-radius: 12px;
  padding: 10px;
  z-index: 200;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(20px);
  animation: slideDown 0.2s ease;
}

.emoji-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
  max-height: 200px;
  overflow-y: auto;
}

.emoji-grid::-webkit-scrollbar {
  width: 6px;
}

.emoji-grid::-webkit-scrollbar-track {
  background: transparent;
}

.emoji-grid::-webkit-scrollbar-thumb {
  background: rgba(245, 158, 11, 0.3);
  border-radius: 3px;
}

.emoji-option {
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.emoji-option:hover {
  background: rgba(245, 158, 11, 0.2);
  transform: scale(1.15);
}

.custom-name-input {
  flex: 1;
  min-width: 120px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--text-primary);
  font-family: 'Outfit', sans-serif;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.custom-name-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 15px rgba(245, 158, 11, 0.2);
}

.custom-name-input::placeholder {
  color: var(--text-muted);
}

.date-input {
  min-width: 160px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--text-primary);
  font-family: 'Outfit', sans-serif;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.date-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 15px rgba(245, 158, 11, 0.2);
}

.date-input::-webkit-calendar-picker-indicator {
  filter: invert(1);
  cursor: pointer;
}

.custom-btn {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border: none;
  color: white;
  padding: 10px 18px;
  border-radius: 10px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
}

.custom-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4);
}

/* Countdown Display */
.countdown-display {
  background: var(--bg-surface);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 40px;
  text-align: center;
  position: relative;
  overflow: visible;
  transition: all 0.3s ease;
}

.countdown-display::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
}

/* Fullscreen button */
.fullscreen-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid var(--border-accent);
  color: var(--accent-secondary);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  z-index: 10;
  opacity: 0.6;
}

.fullscreen-btn:hover {
  opacity: 1;
  background: rgba(245, 158, 11, 0.2);
  transform: scale(1.05);
}

.fullscreen-icon {
  font-size: 1.2rem;
  line-height: 1;
}

/* Fullscreen mode */
.countdown-display.fullscreen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 100vh;
  border-radius: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 40px;
  background: var(--bg-deep);
}

.countdown-display.fullscreen .fullscreen-btn {
  position: fixed;
  top: 20px;
  right: 20px;
  opacity: 0.6;
  width: 44px;
  height: 44px;
  font-size: 1.5rem;
}

.countdown-display.fullscreen .fullscreen-btn:hover {
  opacity: 1;
}

/* Hide locale selector in fullscreen mode */
body.fullscreen-mode .locale-selector-wrapper {
  display: none;
}

.countdown-display.fullscreen .event-name {
  font-size: clamp(2rem, 6vw, 4rem);
  margin-bottom: 20px;
}

.countdown-display.fullscreen .year-selector {
  transform: scale(1.3);
}

.countdown-display.fullscreen .display-mode-row {
  margin-bottom: 30px;
  transform: scale(1.1);
}

.countdown-display.fullscreen .timer-display-container {
  width: 90vw;
  max-width: 1200px;
  margin: 40px 0;
  --fullscreen-scale: 1.8;
}

.countdown-display.fullscreen .progress-container {
  max-width: 800px;
  width: 80%;
  height: 10px;
  margin-bottom: 30px;
}

.countdown-display.fullscreen .target-date {
  font-size: 1.3rem;
}

.event-name-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.event-name {
  font-family: 'Orbitron', monospace;
  font-size: clamp(1.2rem, 4vw, 1.8rem);
  font-weight: 500;
  color: var(--accent-secondary);
  letter-spacing: 0.05em;
  margin: 0;
}

.year-selector {
  display: inline-flex;
  align-items: center;
  gap: 0.25em;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-accent);
  border-radius: 8px;
  padding: 0.2em 0.3em;
}

.year-btn {
  padding: 0.3em 0.5em;
  border: none;
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-secondary);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.year-btn:hover:not(:disabled) {
  background: var(--accent-primary);
  color: var(--bg-deep);
}

.year-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.year-input {
  width: 70px;
  background: transparent;
  border: none;
  color: var(--accent-secondary);
  font-family: 'Orbitron', monospace;
  font-size: 1.1rem;
  font-weight: 600;
  text-align: center;
  outline: none;
  -moz-appearance: textfield;
  appearance: textfield;
}

.year-input::-webkit-outer-spin-button,
.year-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.year-input:focus {
  background: rgba(245, 158, 11, 0.1);
  border-radius: 4px;
}

.year-input.invalid {
  color: #ef4444;
  animation: shake 0.3s ease;
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-4px);
  }
  75% {
    transform: translateX(4px);
  }
}

.countdown-grid {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 8px;
  flex-wrap: nowrap;
  margin-bottom: 32px;
}

.time-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 90px;
  flex-shrink: 0;
}

.time-unit.years {
  min-width: 80px;
}

.time-unit.days {
  min-width: 120px;
}

.time-value {
  font-family: 'Orbitron', monospace;
  font-size: clamp(2.5rem, 10vw, 5rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  text-shadow: 0 0 40px var(--accent-glow);
  transition: transform 0.1s ease;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
}

.time-value.pulse {
  animation: numberPulse 0.3s ease;
}

@keyframes numberPulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
    color: var(--accent-primary);
  }
  100% {
    transform: scale(1);
  }
}

.time-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-top: 8px;
}

.time-separator {
  font-family: 'Orbitron', monospace;
  font-size: clamp(2rem, 6vw, 3.5rem);
  color: var(--accent-primary);
  opacity: 0.6;
  animation: blink 1s infinite;
  flex-shrink: 0;
  padding: 0 4px;
  line-height: 1;
  align-self: center;
  margin-bottom: 24px;
}

@keyframes blink {
  0%,
  100% {
    opacity: 0.6;
  }
  50% {
    opacity: 0.2;
  }
}

/* Display Mode Selector Row */
.display-mode-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
  position: relative;
  z-index: 20;
}

.display-mode-label {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Timer Display Container */
.timer-display-container {
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  position: relative;
  z-index: 10;
}

.progress-container {
  width: 100%;
  height: 6px;
  background: rgba(148, 163, 184, 0.1);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 20px;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 3px;
  transition: width 1s linear;
  box-shadow: 0 0 10px var(--accent-glow);
}

.target-date {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Celebration */

/* Share Section */
/* Celebration Video Selector Section */
.celebration-video-section {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}

.celebration-video-section celebration-video-selector {
  width: 100%;
  max-width: 320px;
}

@media (max-width: 480px) {
  .celebration-video-section celebration-video-selector {
    max-width: 100%;
  }
}

.action-section {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.celebrate-btn {
  background: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
  border: none;
  color: white;
  padding: 12px 24px;
  border-radius: 12px;
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(168, 85, 247, 0.3);
}

.celebrate-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(168, 85, 247, 0.5);
}

.celebrate-btn:active {
  transform: translateY(0);
}

.final-countdown-btn {
  background: linear-gradient(135deg, #ef4444 0%, #f97316 100%);
  border: none;
  color: white;
  padding: 12px 24px;
  border-radius: 12px;
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.final-countdown-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(239, 68, 68, 0.5);
}

.final-countdown-btn:active {
  transform: translateY(0);
}

.final-countdown-btn.playing {
  background: linear-gradient(135deg, #64748b 0%, #475569 100%);
  box-shadow: 0 4px 15px rgba(100, 116, 139, 0.3);
}

/* Music Section */
.music-section {
  margin: 24px auto;
  max-width: 500px;
  position: relative;
}

.music-section youtube-player {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
}

.stop-music-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  padding: 6px 12px;
  border-radius: 8px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10;
}

.stop-music-btn:hover {
  background: rgba(239, 68, 68, 0.8);
  border-color: rgba(239, 68, 68, 0.5);
}

/* Responsive */
@media (max-width: 700px) {
  .container {
    padding: 20px 16px;
  }

  .countdown-display {
    padding: 24px 16px;
  }

  .time-separator {
    display: none;
  }

  .countdown-grid {
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .time-unit {
    width: 72px;
    background: rgba(15, 23, 42, 0.5);
    padding: 12px 8px;
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
  }

  .time-unit.days {
    width: 86px;
  }

  .time-value {
    font-size: 1.8rem;
  }

  .preset-btn {
    padding: 8px 14px;
    font-size: 0.85rem;
  }
}

/* Firework particles for celebration */