/* ===== CSS Reset & Base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  font-family: 'Montserrat', sans-serif;
  background: #0a0a1a;
  color: #ffffff;
  user-select: none;
  -webkit-app-region: drag;
}

:root {
  --sc-select-bg: linear-gradient(180deg, rgba(28, 22, 58, 0.95) 0%, rgba(16, 16, 38, 0.96) 100%);
  --sc-select-border: rgba(139, 92, 246, 0.35);
  --sc-select-border-strong: rgba(6, 182, 212, 0.8);
  --sc-select-shadow: 0 10px 28px rgba(8, 8, 24, 0.35);
  --sc-select-text: rgba(255, 255, 255, 0.96);
  --sc-select-muted: rgba(255, 255, 255, 0.7);
  --sc-select-option-bg: #17172f;
  --sc-select-option-hover: #232347;
}

/* Allow interaction on buttons and interactive elements */
button,
input,
select,
textarea,
.country-card,
.country-container,
.countries-grid,
.control-btn,
.back-btn {
  -webkit-app-region: no-drag;
}

/* ===== Background Effects ===== */
.background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.stars {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.8), transparent),
    radial-gradient(2px 2px at 40px 70px, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(2px 2px at 50px 160px, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(2px 2px at 90px 40px, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(2px 2px at 130px 80px, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(2px 2px at 160px 120px, rgba(255, 255, 255, 0.8), transparent),
    radial-gradient(1px 1px at 200px 50px, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 250px 140px, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(2px 2px at 300px 30px, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(1px 1px at 350px 100px, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(2px 2px at 400px 60px, rgba(255, 255, 255, 0.8), transparent),
    radial-gradient(1px 1px at 450px 150px, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(2px 2px at 500px 90px, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(1px 1px at 550px 40px, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(2px 2px at 600px 130px, rgba(255, 255, 255, 0.6), transparent);
  background-size: 650px 200px;
  animation: twinkle 8s ease-in-out infinite alternate;
}

@keyframes twinkle {

  0%,
  100% {
    opacity: 0.8;
  }

  50% {
    opacity: 1;
  }
}

.gradient-overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(139, 92, 246, 0.3) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(236, 72, 153, 0.3) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(6, 182, 212, 0.15) 0%, transparent 60%),
    linear-gradient(180deg, rgba(10, 10, 26, 0.8) 0%, rgba(20, 10, 40, 0.9) 100%);
  animation: gradientPulse 10s ease-in-out infinite alternate;
}

select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.25L6 6.25L11 1.25' fill='none' stroke='%2367e8f9' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat, no-repeat;
  background-position: 0 0, right 0.85rem center;
  background-size: auto, 12px 8px;
  background-color: var(--sc-select-option-bg);
  color: var(--sc-select-text);
  border-color: var(--sc-select-border);
  box-shadow: var(--sc-select-shadow);
  padding-right: 2.35rem !important;
  color-scheme: dark;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

select:hover {
  border-color: rgba(139, 92, 246, 0.6);
}

select:focus {
  border-color: var(--sc-select-border-strong);
  box-shadow:
    0 0 0 2px rgba(6, 182, 212, 0.22),
    0 12px 28px rgba(8, 8, 24, 0.4);
}

select option,
select optgroup {
  background: var(--sc-select-option-bg);
  color: var(--sc-select-text);
}

select option:checked,
select option:hover,
select option:focus {
  background: var(--sc-select-option-hover);
  color: #ffffff;
}

@keyframes gradientPulse {
  0% {
    opacity: 1;
  }

  100% {
    opacity: 0.85;
  }
}

/* ===== Main Container ===== */
.container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 2rem;
  position: relative;
  z-index: 1;
}

/* ===== Title Section ===== */
.title-section {
  text-align: center;
  margin-bottom: 3rem;
}

.logo-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 1.5rem;
}

.heart-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 1rem;
  animation: heartBeat 2s ease-in-out infinite;
}

.heart-svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 20px rgba(236, 72, 153, 0.5));
}

@keyframes heartBeat {

  0%,
  100% {
    transform: scale(1);
  }

  25% {
    transform: scale(1.1);
  }

  50% {
    transform: scale(1);
  }

  75% {
    transform: scale(1.05);
  }
}

.main-title {
  font-size: 4.5rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.title-euro {
  background: linear-gradient(135deg, #06b6d4 0%, #8b5cf6 50%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 60px rgba(139, 92, 246, 0.5);
}

.title-vision {
  background: linear-gradient(135deg, #ec4899 0%, #f59e0b 50%, #fbbf24 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 1em;
  color: rgba(255, 255, 255, 0.8);
  text-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
  margin-left: 1em;
}

.tagline {
  font-size: 1rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-top: 1rem;
}

.hero-description {
  max-width: 44rem;
  margin: 1.25rem auto 0;
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.76);
}

/* ===== Menu Buttons ===== */
.menu {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.menu-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  width: 280px;
  padding: 1.25rem 2.5rem;
  font-family: 'Montserrat', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  overflow: hidden;
  text-decoration: none;
  transition: all 0.3s ease;
}

.menu-btn:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.9);
  outline-offset: 4px;
}

.btn-icon {
  font-size: 1rem;
  transition: transform 0.3s ease;
}

.btn-text {
  position: relative;
  z-index: 2;
}

.btn-glow {
  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;
}

/* Play Button */
.play-btn {
  background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 50%, #f59e0b 100%);
  color: white;
  box-shadow:
    0 8px 32px rgba(139, 92, 246, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.play-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow:
    0 12px 40px rgba(139, 92, 246, 0.5),
    0 0 60px rgba(236, 72, 153, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.2) inset;
}

.play-btn:hover .btn-glow {
  left: 100%;
}

.play-btn:hover .btn-icon {
  transform: scale(1.2);
}

.play-btn:active {
  transform: translateY(-1px) scale(0.98);
}

/* Picker Button */
.picker-btn {
  background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 45%, #22c55e 100%);
  color: white;
  box-shadow:
    0 8px 32px rgba(6, 182, 212, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.picker-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow:
    0 12px 40px rgba(14, 165, 233, 0.45),
    0 0 60px rgba(34, 197, 94, 0.25),
    0 0 0 1px rgba(255, 255, 255, 0.2) inset;
}

.picker-btn:hover .btn-glow {
  left: 100%;
}

.picker-btn:hover .btn-icon {
  transform: scale(1.12);
}

.picker-btn:active {
  transform: translateY(-1px) scale(0.98);
}

/* Quit Button */
.quit-btn {
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
}

.quit-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.quit-btn:hover .btn-glow {
  left: 100%;
}

.quit-btn:active {
  transform: translateY(0) scale(0.98);
}

/* ===== Footer ===== */
.footer {
  position: absolute;
  bottom: 2rem;
  text-align: center;
}

.footer p {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.15em;
  animation: pulse 3s ease-in-out infinite;
}

.version-tag {
  position: absolute;
  right: 2rem;
  bottom: 2rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
  text-shadow: 0 0 18px rgba(139, 92, 246, 0.25);
}

@keyframes pulse {

  0%,
  100% {
    opacity: 0.4;
  }

  50% {
    opacity: 0.7;
  }
}

/* ===== Responsive ===== */
@media (max-height: 600px) {
  .main-title {
    font-size: 3rem;
  }

  .subtitle {
    font-size: 1.5rem;
  }

  .heart-icon {
    width: 60px;
    height: 60px;
  }

  .menu-btn {
    padding: 1rem 2rem;
    width: 240px;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 1.25rem 1rem;
  }

  .title-section {
    margin-bottom: 1.5rem;
  }

  .heart-icon {
    width: 50px;
    height: 50px;
  }

  .main-title {
    font-size: 2.2rem;
    letter-spacing: 0.08em;
  }

  .subtitle {
    font-size: 1rem;
    letter-spacing: 0.4em;
    margin-left: 0.4em;
  }

  .tagline {
    font-size: 0.8rem;
    letter-spacing: 0.15em;
  }

  .hero-description {
    max-width: 22rem;
    font-size: 0.85rem;
    line-height: 1.55;
  }

  .menu {
    margin-bottom: 2rem;
    gap: 1rem;
  }

  .menu-btn {
    width: 240px;
    padding: 1rem 1.8rem;
    font-size: 1.05rem;
  }

  .footer p {
    font-size: 0.7rem;
  }

  .version-tag {
    right: 1rem;
    bottom: 1rem;
    font-size: 0.7rem;
    letter-spacing: 0.14em;
  }
}