/* HFCMC Styles extracted from HTML */
:root {
  /* Light mode colors */
  --primary-color-light: #6366f1;
  --primary-light-light: #818cf8;
  --primary-dark-light: #4f46e5;
  --text-primary-light: #1f2937;
  --text-secondary-light: #4b5563;
  --bg-primary-light: #f3f4f6;
  --bg-secondary-light: #ffffff;
  --border-light: rgba(0, 0, 0, 0.08);
  /* Dark mode colors */
  --primary-color-dark: #818cf8;
  --primary-light-dark: #6366f1;
  --primary-dark-dark: #4f46e5;
  --text-primary-dark: #f3f4f6;
  --text-secondary-dark: #9ca3af;
  --bg-primary-dark: #111827;
  --bg-secondary-dark: #1f2937;
  --border-dark: rgba(255, 255, 255, 0.1);
  /* Common variables */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}
:root {
  --primary-color: var(--primary-color-light);
  --primary-light: var(--primary-light-light);
  --primary-dark: var(--primary-dark-light);
  --text-primary: var(--text-primary-light);
  --text-secondary: var(--text-secondary-light);
  --bg-primary: var(--bg-primary-light);
  --bg-secondary: var(--bg-secondary-light);
  --border-color: var(--border-light);
}
.dark-mode {
  --primary-color: var(--primary-color-dark);
  --primary-light: var(--primary-light-dark);
  --primary-dark: var(--primary-dark-dark);
  --text-primary: var(--text-primary-dark);
  --text-secondary: var(--text-secondary-dark);
  --bg-primary: var(--bg-primary-dark);
  --bg-secondary: var(--bg-secondary-dark);
  --border-color: var(--border-dark);
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  min-height: 100vh;
}
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  background: var(--bg-primary);
  transition: background-color var(--transition-normal);
  position: relative;
  overflow-x: hidden;
}
.bg-pattern {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: -1;
  opacity: 0.3;
  pointer-events: none;
}
.bg-pattern::before,
.bg-pattern::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: var(--primary-color);
  opacity: 0.1;
}
.bg-pattern::before {
  top: -150px;
  right: -50px;
  animation: floatBubble 20s infinite alternate ease-in-out;
}
.bg-pattern::after {
  bottom: -100px;
  left: -100px;
  width: 500px;
  height: 500px;
  animation: floatBubble 15s infinite alternate-reverse ease-in-out;
}
@keyframes floatBubble {
  0% { transform: translate(0, 0); }
  50% { transform: translate(20px, 20px); }
  100% { transform: translate(-20px, 40px); }
}
.app-header {
  margin-bottom: 2.5rem;
  text-align: center;
  max-width: 600px;
}
.app-title {
  color: var(--text-primary);
  margin-bottom: 1rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: -0.025em;
  font-size: 2.25rem;
  line-height: 2.5rem;
  position: relative;
  display: inline-block;
}
.app-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -0.5rem;
  width: 50%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
  transform: translateX(-50%);
  border-radius: 3px;
}
.app-subtitle {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  text-align: center;
  max-width: 500px;
  font-weight: 400;
  line-height: 1.6;
  font-size: 1.125rem;
}
.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 550px;
  perspective: 1000px;
}
.inbox {
  width: 100%;
  margin: 0 auto;
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform-style: preserve-3d;
  transform: rotateX(2deg) rotateY(2deg);
  transition: all var(--transition-normal);
  border: 1px solid var(--border-color);
}
.inbox:hover {
  transform: rotateX(0) rotateY(0);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}
.inbox-header {
  padding: 1.5rem;
  background-color: var(--primary-color);
  color: white;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}
.inbox-header::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
  opacity: 0.7;
  pointer-events: none;
  transform: rotate(45deg);
}
.inbox-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.inbox-header h2::before {
  content: '✓';
  display: inline-block;
  font-size: 1rem;
  width: 24px;
  height: 24px;
  line-height: 22px;
  text-align: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
}
.inbox-count {
  background: rgba(255, 255, 255, 0.2);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
}
.items-container {
  max-height: 400px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--primary-light) transparent;
}
.items-container::-webkit-scrollbar {
  width: 6px;
}
.items-container::-webkit-scrollbar-track {
  background: transparent;
}
.items-container::-webkit-scrollbar-thumb {
  background-color: var(--primary-light);
  border-radius: 6px;
}
.item {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}
.item:hover {
  background-color: var(--bg-primary);
  transform: translateX(5px);
}
.item:last-child {
  border-bottom: 0;
}
.checkbox-container {
  display: flex;
  align-items: center;
  position: relative;
  padding: 0 1.25rem;
  cursor: pointer;
}
.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}
.checkmark {
  height: 24px;
  width: 24px;
  border-radius: 8px;
  border: 2px solid var(--border-color);
  background-color: var(--bg-secondary);
  transition: all var(--transition-bounce);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.checkbox-container:hover input ~ .checkmark {
  border-color: var(--primary-light);
  transform: scale(1.05);
}
.checkbox-container input:checked ~ .checkmark {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  transform: scale(1.1);
}
.checkmark:after {
  content: "";
  position: absolute;
  display: none;
  width: 6px;
  height: 12px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  opacity: 0;
  transition: all 0.2s ease;
}
.checkbox-container input:checked ~ .checkmark:after {
  display: block;
  opacity: 1;
  transform: rotate(45deg) scale(1);
  animation: check 0.5s cubic-bezier(0.18, 0.89, 0.32, 1.28) forwards;
}
@keyframes check {
  0% { transform: rotate(45deg) scale(0); }
  50% { transform: rotate(45deg) scale(1.2); }
  100% { transform: rotate(45deg) scale(1); }
}
.item-text {
  margin: 0;
  padding: 1.5rem 1.5rem 1.5rem 0;
  transition: all var(--transition-normal);
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.5;
  font-weight: 400;
  flex: 1;
  position: relative;
}
input:checked + .item-text {
  color: var(--text-secondary);
  text-decoration: line-through;
  font-weight: 300;
}
input:checked + .item-text::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--text-secondary);
  transform: scaleX(0);
  animation: strikethrough 0.3s ease-out 0.1s forwards;
  transform-origin: left;
}
@keyframes strikethrough {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}
.helper-text {
  margin-top: 2rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-align: center;
  background: var(--bg-secondary);
  padding: 0.75rem 1.25rem;
  border-radius: 9999px;
  box-shadow: var(--shadow-md);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.helper-text svg {
  width: 16px;
  height: 16px;
  fill: var(--primary-color);
}
.keyboard-shortcut {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  background-color: var(--bg-primary);
  border-radius: 4px;
  margin: 0 0.25rem;
  font-family: monospace;
  font-weight: 500;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}
.theme-toggle {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--bg-secondary);
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  z-index: 10;
  border: 1px solid var(--border-color);
}
.theme-toggle:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.theme-toggle:focus {
  outline: none;
}
.theme-toggle svg {
  width: 24px;
  height: 24px;
  transition: all 0.5s;
  fill: var(--text-primary);
}
.theme-toggle .sun {
  opacity: 1;
  transform: scale(1) rotate(0);
}
.theme-toggle .moon {
  position: absolute;
  opacity: 0;
  transform: scale(0) rotate(-90deg);
}
.dark-mode .theme-toggle .sun {
  opacity: 0;
  transform: scale(0) rotate(90deg);
}
.dark-mode .theme-toggle .moon {
  opacity: 1;
  transform: scale(1) rotate(0);
}
.select-all {
  margin-top: 1rem;
  padding: 0.75rem 1.5rem;
  border: none;
  background-color: var(--primary-color);
  color: white;
  font-weight: 500;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.select-all:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.select-all:active {
  transform: translateY(0);
}
@media (max-width: 640px) {
  .app-title {
    font-size: 1.75rem;
  }
  .app-subtitle {
    font-size: 1rem;
  }
  .container {
    max-width: 100%;
  }
  .item-text {
    font-size: 0.875rem;
    padding: 1.25rem 1rem 1.25rem 0;
  }
  .checkbox-container {
    padding: 0 1rem;
  }
  .checkmark {
    height: 20px;
    width: 20px;
  }
  .theme-toggle {
    width: 40px;
    height: 40px;
    top: 15px;
    right: 15px;
  }
  .theme-toggle svg {
    width: 20px;
    height: 20px;
  }
}