:root {
  --primary: #fbbf24;
  --secondary: #f59e0b;
  --bg-primary: #f9fafb;
  --bg-secondary: #ffffff;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --border-color: #e5e7eb;
  --card-bg: #ffffff;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --border-color: #404040;
  --card-bg: #2d2d2d;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color 0.3s, color 0.3s;
}

header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.hero-section {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  padding: 4rem 2rem;
  text-align: center;
  border-bottom: 3px solid var(--primary);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.hero-features {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.feature-badge {
  background: var(--card-bg);
  border: 2px solid var(--primary);
  border-radius: 2rem;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  box-shadow: var(--shadow);
}

nav {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand a {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-tools {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav-settings-btn {
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: none;
  cursor: pointer;
  font-weight: 500;
  transition: transform 0.2s, box-shadow 0.2s;
}

.nav-settings-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.nav-salary-toggle {
  padding: 0.5rem;
  border-radius: 0.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.nav-salary-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.salary-hidden .salary-amount {
  background: var(--border-color);
  color: transparent;
  user-select: none;
  border-radius: 0.25rem;
  padding: 0 0.5rem;
  display: inline-block;
  position: relative;
}

.salary-hidden .salary-amount::after {
  content: '***';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  color: var(--text-secondary);
  font-weight: bold;
}

.nav-share-btn {
  padding: 0.5rem;
  border-radius: 0.5rem;
  background: #fbbf24;
  background-image: linear-gradient(135deg, #fbbf24, #f59e0b);
  border: none;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.nav-share-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.share-section {
  background: var(--card-bg);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-top: 2rem;
  text-align: center;
  border: 1px solid var(--border-color);
}

.share-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.share-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.share-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  cursor: pointer;
  transition: all 0.3s;
  min-width: 100px;
}

.share-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.share-icon {
  font-size: 1.75rem;
}

.share-btn span:last-child {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}

.share-modal-content {
  max-width: 500px;
}

.share-modal-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.share-modal-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 0.75rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  cursor: pointer;
  transition: all 0.3s;
}

.share-modal-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.share-modal-icon {
  font-size: 1.5rem;
}

.share-modal-btn span:last-child {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-primary);
}

.share-preview {
  background: var(--bg-secondary);
  border-radius: 0.75rem;
  padding: 1.5rem;
}

.share-preview-card {
  background: #fbbf24;
  background-image: linear-gradient(135deg, #fbbf24, #f59e0b);
  border-radius: 1rem;
  padding: 1.5rem;
  color: white;
}

.share-preview-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.share-preview-logo {
  font-size: 2rem;
}

.share-preview-title {
  font-size: 1.5rem;
  font-weight: 700;
}

.share-preview-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1rem;
}

.share-preview-stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.15);
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
}

.share-preview-stat-label {
  font-size: 0.875rem;
  opacity: 0.9;
}

.share-preview-stat-value {
  font-size: 1.125rem;
  font-weight: 700;
}

.share-preview-footer {
  text-align: center;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  font-size: 0.875rem;
  opacity: 0.9;
}

.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 1rem 1.5rem;
  border-radius: 0.5rem;
  color: white;
  font-weight: 500;
  z-index: 10000;
  transform: translateX(120%);
  transition: transform 0.3s;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.notification.show {
  transform: translateX(0);
}

.notification.success {
  background: linear-gradient(135deg, #10b981, #059669);
}

.notification.error {
  background: linear-gradient(135deg, #ef4444, #dc2626);
}

@media (max-width: 640px) {
  .share-modal-buttons {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .share-buttons {
    justify-content: center;
  }
}

select, button {
  cursor: pointer;
  border: none;
  outline: none;
  font-family: inherit;
}

select {
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

button {
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  background: var(--primary);
  color: white;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

button:active {
  transform: translateY(0);
}

.ad-banner {
  width: 100%;
  max-width: 1400px;
  margin: 1rem auto;
  text-align: center;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr 3fr 1fr;
  gap: 2rem;
}

.sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.ad-sidebar {
  background: var(--bg-secondary);
  border-radius: 0.75rem;
  padding: 1rem;
  border: 1px solid var(--border-color);
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.salary-display {
  background: var(--bg-secondary);
  border-radius: 1.5rem;
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  margin-bottom: 2rem;
}

.salary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.salary-breakdown-title {
  text-align: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--border-color);
}

.salary-breakdown {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.salary-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 1.5rem;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}

.salary-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.salary-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.salary-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.salary-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
}

.countdown-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 3rem auto;
  position: relative;
  max-width: 300px;
}

.countdown-ring {
  position: relative;
  width: 250px;
  height: 250px;
  margin: 0 auto;
}

.countdown-ring svg {
  transform: rotate(-90deg);
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.15));
}

.countdown-ring circle {
  fill: none;
  stroke-width: 14;
}

.countdown-ring .bg {
  stroke: var(--border-color);
}

.countdown-ring .progress {
  stroke: url(#goldGradient);
  stroke-linecap: round;
  transition: stroke-dashoffset 1s linear;
}

#countdownTime {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.75rem;
  font-weight: 800;
  font-family: 'Courier New', monospace;
  text-align: center;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
  z-index: 10;
}

#countdownLabel {
  margin-top: 1.5rem;
  font-size: 1rem;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 700;
  text-align: center;
}

.status-display {
  margin-bottom: 1.5rem;
  padding: 0.75rem 2rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  display: inline-block;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.status-display:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.status-display.working {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
}

.status-display.resting {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: white;
}

.status-display.before {
  background: linear-gradient(135deg, #f59e0b, #f97316);
  color: white;
}

.emoji-float {
  position: absolute;
  bottom: -25px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 2.5rem;
  animation: bounce 2s ease-in-out infinite;
  display: flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-10px); }
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform 0.3s;
}

.stat-card:hover {
  transform: scale(1.05);
}

.stat-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.stat-value {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
}

.calendar-container {
  background: var(--bg-secondary);
  border-radius: 1.5rem;
  padding: 2rem;
  box-shadow: var(--shadow);
  margin: 2rem 0;
}

.calendar-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.calendar-header h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.calendar-subtitle {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.5rem;
}

.calendar-day-name {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  padding: 0.5rem;
}

.calendar-day {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 0.75rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  position: relative;
  font-weight: 600;
  transition: all 0.3s;
}

.calendar-day.empty {
  background: transparent;
  border: none;
}

.calendar-day.work-day {
  background: rgba(251, 191, 36, 0.1);
  border-color: var(--primary);
}

.calendar-day.today {
  background: var(--primary);
  color: white;
  transform: scale(1.1);
  z-index: 10;
  box-shadow: var(--shadow-lg);
}

.calendar-day.holiday {
  background: rgba(239, 68, 68, 0.1);
  border-color: #ef4444;
}

.day-marker {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.day-marker.work {
  background: #ef4444;
}

.day-marker.holiday {
  background: #9ca3af;
}

.today-label {
  position: absolute;
  bottom: -12px;
  font-size: 0.5rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--primary);
}

.settings-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: transform 0.3s, box-shadow 0.3s;
  z-index: 9999;
  border: none;
  cursor: pointer;
}

.settings-btn:hover {
  transform: scale(1.1) rotate(90deg);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.3s;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-content {
  background: var(--bg-secondary);
  border-radius: 1.5rem;
  padding: 2rem;
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.3s;
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-color);
}

.modal-header h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
}

.close-btn {
  background: transparent;
  color: var(--text-secondary);
  font-size: 2rem;
  padding: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.3s;
}

.close-btn:hover {
  background: var(--border-color);
  transform: none;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 1rem;
}

.form-group input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
}

.work-times-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.work-time-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.work-time-row input[type="time"] {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  background: var(--bg-primary);
  color: var(--text-primary);
}

.remove-work-time-btn {
  width: 40px;
  height: 40px;
  padding: 0;
  background: #ef4444;
  color: white;
  font-size: 1.5rem;
  border-radius: 0.5rem;
}

.add-work-time-btn {
  background: var(--bg-primary);
  color: var(--primary);
  border: 2px dashed var(--primary);
  padding: 1rem;
  text-align: center;
  font-weight: 600;
}

.export-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.export-btn {
  flex: 1;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.export-btn:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 2rem;
  text-align: center;
  margin-top: 4rem;
}

footer p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.footer-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: var(--primary);
}

.ad-banner.bottom {
  margin-top: 3rem;
}

.page-section {
  padding: 4rem 2rem;
  min-height: calc(100vh - 200px);
  background: var(--bg-primary);
  border-top: 3px solid var(--primary);
  margin-top: 3rem;
}

.page-section:first-of-type {
  margin-top: 0;
}

.page-section.active {
  display: block;
}

.page-section .page-content {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-secondary);
  padding: 3rem;
  border-radius: 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.page-content h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.page-content p {
  margin-bottom: 1rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.page-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 2rem 0 1rem;
}

.page-content ol {
  margin: 1rem 0 1rem 2rem;
  color: var(--text-secondary);
}

.page-content li {
  margin-bottom: 0.5rem;
}

.faq-item {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item h3 {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.contact-section {
  text-align: center;
  margin-top: 2rem;
}

.qr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.qr-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 1.5rem;
  text-align: center;
  transition: transform 0.3s;
}

.qr-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.qr-card img {
  width: 120px;
  height: 120px;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
}

.qr-card h3 {
  color: var(--text-primary);
  font-weight: 600;
}

.email-contact {
  margin-top: 2rem;
}

.email-contact a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.125rem;
}

.email-contact a:hover {
  text-decoration: underline;
}

#chartWeekly, #chartMonthly, #chartYearly {
  width: 100%;
  margin: 2rem 0;
}

#chartWeekly canvas, #chartMonthly canvas, #chartYearly canvas {
  max-width: 100%;
  height: auto;
}

@media (max-width: 1024px) {
  .main-content {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .hero-features {
    flex-direction: column;
    align-items: center;
  }
  
  .feature-badge {
    width: 100%;
    max-width: 300px;
  }
  
  .salary-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .calendar-grid {
    gap: 0.25rem;
  }
  
  .countdown-ring {
    width: 160px;
    height: 160px;
  }
  
  #countdownTime {
    font-size: 2rem;
  }
  
  .modal-content {
    padding: 1.5rem;
  }
  
  .export-buttons {
    flex-direction: column;
  }
  
  .page-section {
    padding: 2rem 1rem;
  }
  
  .page-section .page-content {
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 480px) {
  header {
    padding: 1rem;
  }
  
  .nav-brand a {
    font-size: 1.25rem;
  }
  
  .main-content {
    padding: 1rem;
  }
  
  .salary-display {
    padding: 1.5rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .page-content {
    padding: 2rem 1.5rem;
  }
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes slideIn {
  from {
    transform: translateX(-100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.slide-in {
  animation: slideIn 0.5s ease-out;
}