/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  color-scheme: light;
}

::selection {
  background: var(--color-primary-light);
  color: var(--color-white);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-gray-50);
}

::-webkit-scrollbar-thumb {
  background: var(--color-gray-300);
  border-radius: var(--radius-full);
  border: 3px solid var(--color-gray-50);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-gray-400);
}

body {
  font-family: var(--font-family);
  background: var(--color-gray-50);
  min-height: 100vh;
  padding: 0;
  color: var(--color-gray-800);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.app-container {
  display: flex;
  flex-direction: column;
  /* Stack navbar and container */
  min-height: 100vh;
  background: var(--color-gray-50);
}

.container {
  flex: 1;
  margin-left: 0;
  padding: var(--spacing-xl);
  background: transparent;
  min-height: 100vh;
  transition: all var(--transition-base);
  animation: fadeIn 0.6s ease-out;
}

/* Common Animations */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

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

@keyframes fadeOut {
  from {
    opacity: 1;
    transform: scale(1);
  }

  to {
    opacity: 0;
    transform: scale(0.95);
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.8;
    background-color: var(--color-primary-glow);
  }
}

@keyframes cellFlash {
  0% {
    background-color: transparent;
  }

  20% {
    background-color: var(--color-warning-light);
    transform: scale(1.02);
  }

  100% {
    background-color: transparent;
    transform: scale(1);
  }
}

@keyframes shimmer {
  to {
    transform: translateX(100%);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

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

@keyframes slideDownFade {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

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

/* Utility Animations */
.animate-fadeIn {
  animation: fadeIn 0.4s ease-out;
}

.animate-slideUp {
  animation: slideUp 0.5s ease-out;
}

/* Scroll Smoothing */
html {
  scroll-behavior: smooth;
}

/* Material Symbols Icons */
.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: 'liga';
  font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
}

/* Global Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  height: 38px;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  gap: 8px;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-primary-gradient);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--color-white);
  color: var(--color-gray-700);
  border: 1px solid var(--color-gray-200);
}

.btn-secondary:hover {
  background: var(--color-gray-50);
  border-color: var(--color-gray-300);
}

.btn-danger {
  background: var(--color-error);
  color: var(--color-white);
}

.btn-danger:hover {
  background: var(--color-error-dark);
}

.btn-small {
  padding: 4px 10px;
  height: 30px;
  font-size: var(--font-size-xs);
}

/* Animation Utilities */
.spin {
  display: inline-block;
  animation: spin 1s linear infinite;
}

.syncing .material-symbols-outlined {
  display: inline-block;
  animation: spin 1s linear infinite;
}

/* Syncing Overlay Indicator */
.syncing-indicator {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-primary);
  color: white;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 600;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  animation: slideDownFade 0.3s ease-out;
}

.spinner-small {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading {
  text-align: center;
  padding: 60px;
}

.loading .spinner {
  margin: 0 auto 20px;
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-gray-200);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}