body {
  transition: background 0.4s, color 0.4s;

  transition: background 0.4s, color 0.4s;

  margin: 0;
  padding: 0;
  font-family: 'Roboto', Arial, sans-serif;
  background: linear-gradient(135deg, #e0e7ff 0%, #fff1f0 100%);
  min-height: 100vh;
  color: #222;
  box-sizing: border-box;
  width: 100vw;
  min-width: 100vw;
  overflow-x: hidden;
}

.controls {
  display: flex;
  justify-content: flex-end;
  width: 100%;
  min-width: 0;
  margin-bottom: 10px;
  background: transparent;
  box-shadow: none;
  padding: 18px 40px 0 0;
  box-sizing: border-box;
}
.controls > button {
  display: inline-flex;
  gap: 12px;
  background: rgba(255,255,255,0.18);
  border-radius: 12px;
  box-shadow: 0 2px 12px 0 rgba(31,38,135,0.09);
  padding: 7px 14px;
  backdrop-filter: blur(6px);
  align-items: center;
  margin-left: 8px;
}

.controls > button {
  display: inline-flex;
  gap: 12px;
  background: rgba(255,255,255,0.18);
  border-radius: 12px;
  box-shadow: 0 2px 12px 0 rgba(31,38,135,0.09);
  padding: 7px 14px;
  backdrop-filter: blur(6px);
  align-items: center;
  margin-left: 8px;
}
@media (max-width: 600px) {
  .controls {
    margin-bottom: 6px;
    padding: 10px 20px 0 0;
  }
  .controls > button {
    gap: 7px;
    padding: 3px 7px;
    font-size: 1rem;
  }
}

@media (max-width: 600px) {
  .controls {
    gap: 7px;
    padding: 3px 7px;
    font-size: 1rem;
    margin-bottom: 6px;
  }
  .controls button {
    font-size: 1.1rem;
    padding: 2px 4px;
  }
}
.controls button {
  background: none;
  border: none;
  font-size: 1.35rem;
  cursor: pointer;
  color: #333;
  padding: 4px 8px;
  border-radius: 8px;
  transition: background 0.2s, color 0.2s;
}
.controls button:hover {
  background: #ececff;
}
.controls #theme-toggle {
  font-size: 1.5rem;
}
.controls #lang-toggle {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 1px;
}

body[data-theme='dark'] {
  background: linear-gradient(135deg, #23243b 0%, #2e2e3a 100%);
  color: #f3f3fa;
}
body[data-theme='dark'] .container {
  background: rgba(35,36,59,0.96);
  color: #f3f3fa;
  box-shadow: 0 8px 32px 0 rgba(20, 20, 30, 0.33);
}
body[data-theme='dark'] header h1 {
  color: #a6b8ff;
  text-shadow: 0 2px 8px #23243b77;
}

body[data-theme='dark'] .controls {
  background: rgba(30,30,40,0.22);
  box-shadow: 0 2px 12px 0 rgba(0,0,0,0.13);
}
body[data-theme='dark'] .controls button {
  color: #f3f3fa;
}

body[data-theme='dark'] .card {
  background: linear-gradient(90deg, #23243b 0%, #35355a 100%);
  color: #f3f3fa;
  border: 2px solid #5959a6;
  box-shadow: 0 2px 12px 0 rgba(20, 20, 30, 0.18);
}
body[data-theme='dark'] .card:hover {
  background: linear-gradient(90deg, #35355a 0%, #23243b 100%);
  color: #fff;
  border: 2px solid #b0b0f0;
}


.container {
  max-width: 520px;
  margin: 40px auto;
  background: rgba(255,255,255,0.95);
  border-radius: 22px;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.17);
  padding: 2.5rem 2rem 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
}

header h1 {
  font-family: 'Montserrat', Arial, sans-serif;
  font-size: 2.6rem;
  margin-bottom: 0.2em;
  letter-spacing: 2px;
  color: #3b3b7c;
  text-shadow: 0 2px 12px #b8b8e9;
}

.subtitle {
  color: #7c7c9c;
  font-size: 1.1rem;
  margin-bottom: 2.2rem;
}

.links {
  display: flex;
  flex-direction: column;
  gap: 1.3rem;
  width: 100%;
}

.card {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  background: linear-gradient(90deg, #dbeafe 0%, #f0fdfa 100%);
  border-radius: 14px;
  padding: 1.1rem 1.5rem;
  text-decoration: none;
  color: #232360;
  font-size: 1.22rem;
  font-weight: 500;
  box-shadow: 0 2px 10px 0 rgba(59, 59, 124, 0.10);
  transition: transform 0.16s, box-shadow 0.16s;
  border: 2px solid transparent;
}

.card:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 8px 20px 0 rgba(59, 59, 124, 0.18);
  border: 2px solid #7c7c9c;
  background: linear-gradient(90deg, #c7d2fe 0%, #f0fdfa 100%);
}

.icon {
  font-size: 2.1rem;
}

.card-title {
  font-family: 'Montserrat', Arial, sans-serif;
  font-size: 1.18rem;
  font-weight: 700;
}

footer {
  margin-top: 2.5rem;
  color: #b0b0c0;
  font-size: 0.98rem;
  text-align: center;
}

@media (max-width: 600px) {
  .container {
    padding: 1.1rem 0.4rem 0.6rem 0.4rem;
    max-width: 99vw;
  }
  header h1 {
    font-size: 2rem;
  }
  .links {
    gap: 0.7rem;
  }
  .card {
    font-size: 1rem;
    padding: 0.8rem 0.9rem;
  }
  .icon {
    font-size: 1.4rem;
  }
}