.live-pin-page {
  width: 100%;
  min-height: 100%;
  padding: var(--spacing-2xl) var(--spacing-md);
  background: var(--color-bg);
}

.live-pin-shell {
  max-width: 1000px;
  margin: 0 auto;
}

.live-pin-card {
  max-width: 700px;
  margin: var(--spacing-md) auto;
  padding: var(--spacing-xl);
  background-color: var(--bg-white);
  border: 1px solid #757575;
  border-radius: var(--radius-lg);
  text-align: center;
  animation: live-pin-fade-in 0.5s ease-out;
}

.live-pin-title {
  margin: 0 0 var(--spacing-xl);
  color: var(--text-primary);
  font-size: var(--font-size-2xl);
  font-weight: 600;
  line-height: 1.2;
}

.live-pin-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.live-pin-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xl);
  width: 100%;
  margin: 0;
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, #f8f9ff 0%, #e8f2ff 100%);
  border: 1px solid rgba(0, 123, 255, 0.1);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 20px rgba(0, 123, 255, 0.1);
}

.live-pin-wrapper {
  display: flex;
  align-items: center;
  flex: 1;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  padding-bottom: var(--spacing-lg);
}

.live-pin-inputs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  margin: 0 auto;
}

.live-pin-input {
  width: 3.5rem;
  min-width: 44px;
  height: 4rem;
  min-height: 44px;
  border: 2px solid #e0e0e0;
  border-radius: var(--radius-sm);
  background-color: #f9f9f9;
  color: var(--text-primary);
  font-size: var(--font-size-xl);
  font-weight: 500;
  text-align: center;
  text-transform: uppercase;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.live-pin-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 20%, transparent);
  outline: none;
}

.live-pin-input:hover {
  border-color: #c0c0c0;
}

.live-pin-input.is-invalid {
  border-color: #d32f2f;
  animation: live-pin-shake 0.45s ease-in-out;
}

.live-pin-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  min-width: 120px;
  min-height: 44px;
  padding: var(--spacing-md) var(--spacing-xl);
  color: #ffffff;
  background-color: var(--color-primary);
  border: 0;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 8px color-mix(in srgb, var(--color-primary) 30%, transparent);
  cursor: pointer;
  font-size: var(--font-size-md);
  font-weight: 500;
  transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
}

.live-pin-button-container {
  display: flex;
  justify-content: center;
  width: 100%;
  margin-top: var(--spacing-xl);
}

.live-pin-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px color-mix(in srgb, var(--color-primary) 40%, transparent);
}

.live-pin-submit:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px color-mix(in srgb, var(--color-primary) 30%, transparent);
}

.live-pin-submit:disabled {
  cursor: not-allowed;
  opacity: 0.7;
  transform: none;
}

.live-pin-submit .material-symbols-outlined {
  font-size: var(--font-size-xl);
  line-height: 1;
}

.live-pin-teacher-card {
  max-width: 1000px;
  margin: var(--spacing-2xl) auto var(--spacing-xl);
  text-align: center;
}

.live-pin-teacher-header {
  margin-bottom: var(--spacing-2xl);
}

.live-pin-teacher-header h2 {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  margin: 0 0 var(--spacing-md);
  color: #ff6b35;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  line-height: 1.2;
  text-shadow: 0 2px 4px rgba(255, 107, 53, 0.1);
}

.live-pin-teacher-icon {
  font-size: var(--font-size-2xl);
  line-height: 1;
}

.live-pin-teacher-header p {
  margin: 0;
  color: var(--text-secondary-60);
  font-size: var(--font-size-md);
  font-weight: 400;
  line-height: 1.5;
}

.live-pin-features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

.live-pin-feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-xl);
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.live-pin-feature:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(255, 107, 53, 0.15);
  background: rgba(255, 107, 53, 0.08);
}

.live-pin-feature > span {
  width: 50px;
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-3xl);
  line-height: 1;
  text-align: center;
}

.live-pin-feature strong {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: #333333;
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.live-pin-feature p {
  margin: 0;
  color: var(--text-secondary-60);
  font-size: var(--font-size-md);
  line-height: 1.4;
}

.live-pin-teacher-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  min-width: 300px;
  padding: var(--spacing-md) var(--spacing-2xl);
  color: #ffffff;
  background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
  border-radius: var(--radius-full);
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.3);
  font-size: var(--font-size-lg);
  font-weight: 700;
  letter-spacing: 0.5px;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.live-pin-teacher-button:hover {
  color: #ffffff;
  background: linear-gradient(135deg, #ff5722 0%, #e65100 100%);
  box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
  text-decoration: none;
  transform: translateY(-3px);
}

.live-pin-teacher-button:active {
  box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
  transform: translateY(-1px);
}

.live-pin-snackbar {
  position: fixed;
  left: 50%;
  bottom: 30px;
  z-index: 1000;
  width: auto;
  min-width: 250px;
  max-width: 90%;
  margin: 0;
  padding: var(--spacing-md);
  color: #ffffff;
  background-color: #333333;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  font-size: var(--font-size-md);
  line-height: 1.4;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 1.25rem);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  visibility: hidden;
  word-wrap: break-word;
}

.live-pin-snackbar.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
  visibility: visible;
}

.live-pin-snackbar.is-error {
  background-color: #d32f2f;
}

@keyframes live-pin-fade-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes live-pin-shake {
  0%,
  100% {
    transform: translateX(0);
  }

  25% {
    transform: translateX(-5px);
  }

  75% {
    transform: translateX(5px);
  }
}

@media (max-width: 768px) {
  .live-pin-page {
    padding: var(--spacing-xl) var(--spacing-sm);
  }

  .live-pin-card {
    padding: var(--spacing-sm);
  }

  .live-pin-title {
    font-size: var(--font-size-xl);
  }

  .live-pin-display {
    gap: var(--spacing-xl);
    margin: 0;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
  }

  .live-pin-inputs {
    gap: 0.5rem;
  }

  .live-pin-input {
    width: 2.5rem;
    height: 3rem;
    font-size: var(--font-size-xl);
  }

  .live-pin-submit {
    padding: var(--spacing-md) var(--spacing-xl);
  }

  .live-pin-teacher-card {
    margin: var(--spacing-2xl) auto var(--spacing-md);
  }

  .live-pin-teacher-header h2 {
    font-size: var(--font-size-xl);
  }

  .live-pin-teacher-header p {
    font-size: var(--font-size-md);
  }

  .live-pin-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
  }

  .live-pin-feature {
    padding: var(--spacing-md);
  }

  .live-pin-teacher-button {
    min-width: 250px;
    padding: 0;
    font-size: var(--font-size-md);
  }

  .live-pin-snackbar {
    min-width: 220px;
    padding: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .live-pin-teacher-header h2 {
    font-size: var(--font-size-xl);
  }

  .live-pin-teacher-button {
    min-width: 200px;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
  }
}