/* CSS Variables */
:root {
  --color-bg: #ffffff;
  --color-bg-secondary: #f9fafb;
  --color-text: #1f2937;
  --color-text-secondary: #6b7280;
  --color-accent: #3b82f6;
  --color-accent-hover: #2563eb;
  --color-border: #e5e7eb;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco, Consolas, monospace;
  --max-width: 720px;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Base */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent-hover);
}

img {
  max-width: 100%;
  height: auto;
}

/* Header */
.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) var(--spacing-lg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.site-title:hover {
  color: var(--color-accent);
}

.site-nav {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--color-text-secondary);
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* Dropdown Navigation */
.nav-dropdown {
  position: relative;
}

.dropdown-trigger {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.dropdown-arrow {
  font-size: 0.75rem;
  transition: transform 0.2s ease;
}

.nav-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  min-width: 140px;
  padding: var(--spacing-sm) 0;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
  z-index: 200;
  margin-top: var(--spacing-sm);
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.dropdown-item {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text);
  font-size: 0.875rem;
  transition: background 0.2s ease;
}

.dropdown-item:hover {
  background: var(--color-bg-secondary);
  color: var(--color-accent);
}

.dropdown-item.active {
  color: var(--color-accent);
  font-weight: 600;
}

.dropdown-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--spacing-sm) 0;
}

/* Main Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-lg);
  flex: 1;
}

/* Footer */
.site-footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  margin-top: auto;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* Blog Post List */
.post-list {
  list-style: none;
}

.post-item {
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--color-border);
}

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

.post-item-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.post-item-title a {
  color: var(--color-text);
}

.post-item-title a:hover {
  color: var(--color-accent);
}

.post-item-meta {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.post-item-excerpt {
  color: var(--color-text-secondary);
}

/* Single Post */
.post-header {
  margin-bottom: var(--spacing-xl);
}

.post-title {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
}

.post-meta {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.category {
  background: var(--color-bg-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius);
  font-size: 0.75rem;
}

.post-content {
  line-height: 1.8;
}

.post-content h2 {
  font-size: 1.5rem;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.post-content h3 {
  font-size: 1.25rem;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.post-content p {
  margin-bottom: var(--spacing-md);
}

.post-content ul,
.post-content ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.post-content li {
  margin-bottom: var(--spacing-xs);
}

.post-content code {
  font-family: var(--font-mono);
  background: var(--color-bg-secondary);
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  font-size: 0.875em;
}

.post-content pre {
  background: var(--color-bg-secondary);
  padding: var(--spacing-md);
  border-radius: var(--radius);
  overflow-x: auto;
  margin-bottom: var(--spacing-md);
}

.post-content pre code {
  background: none;
  padding: 0;
}

.post-content blockquote {
  border-left: 4px solid var(--color-accent);
  padding-left: var(--spacing-md);
  margin: var(--spacing-md) 0;
  color: var(--color-text-secondary);
  font-style: italic;
}

.post-footer {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.back-link {
  color: var(--color-text-secondary);
}

/* Page */
.page-header {
  margin-bottom: var(--spacing-xl);
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
}

.page-content {
  line-height: 1.8;
}

.page-content p {
  margin-bottom: var(--spacing-md);
}

/* Dashboard Layout with Sidebar */
.dashboard-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--spacing-xl);
  max-width: 1100px;
  margin: 0 auto;
}

.dashboard-sidebar {
  position: sticky;
  top: 80px;
  height: fit-content;
}

.sidebar-section {
  background: var(--color-bg-secondary);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.sidebar-title {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.sidebar-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-sm);
  color: var(--color-text);
  border-radius: var(--radius);
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.sidebar-link:hover {
  background: var(--color-bg);
  color: var(--color-accent);
}

.sidebar-link.active {
  background: var(--color-accent);
  color: white;
}

.sidebar-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--spacing-sm) 0;
}

.sidebar-label {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--spacing-xs) var(--spacing-sm);
}

.sidebar-link-small {
  display: block;
  font-size: 0.75rem;
  color: var(--color-accent);
  margin-top: var(--spacing-sm);
}

.sidebar-empty {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* Sidebar Weekly Link */
.sidebar-weekly-link {
  display: block;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
  color: white;
  border-radius: var(--radius);
  padding: var(--spacing-md);
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sidebar-weekly-link:hover {
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.sidebar-weekly-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.9;
  margin-bottom: var(--spacing-xs);
}

.sidebar-weekly-info {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
}

/* Weekly Note in Sidebar */
.weekly-note {
  font-size: 0.875rem;
}

.weekly-date {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

.weekly-content {
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
}

.weekly-highlights {
  list-style: none;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.weekly-highlights li {
  padding-left: var(--spacing-md);
  position: relative;
  margin-bottom: var(--spacing-xs);
}

.weekly-highlights li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.dashboard-main {
  min-width: 0;
}

/* Dashboard */
.dashboard-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.dashboard-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.dashboard-subtitle {
  color: var(--color-text-secondary);
}

/* Time Widget */
.time-widget {
  background: var(--color-bg-secondary);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.current-date {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.year-progress {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.year-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.progress-bar-container {
  background: var(--color-border);
  border-radius: 999px;
  height: 8px;
  overflow: hidden;
  margin-top: var(--spacing-sm);
}

.progress-bar {
  height: 100%;
  background: var(--color-accent);
  border-radius: 999px;
  transition: width 0.3s ease;
}

/* Goals Section */
.goals-section {
  margin-top: var(--spacing-xl);
}

.goals-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
}

.goals-grid {
  display: grid;
  gap: var(--spacing-md);
}

.goal-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow);
}

.goal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.goal-name {
  font-weight: 600;
  font-size: 1.125rem;
}

.goal-percentage {
  font-weight: 700;
  color: var(--color-accent);
}

.goal-progress {
  margin-bottom: var(--spacing-sm);
}

.goal-stats {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--color-text-secondary);
}

/* Tags */
.tag, .tag-small {
  display: inline-block;
  background: var(--color-accent);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius);
  font-size: 0.75rem;
  font-weight: 500;
  transition: background 0.2s ease;
}

.tag:hover {
  background: var(--color-accent-hover);
  color: white;
}

.tag-small {
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  margin-left: var(--spacing-xs);
}

.post-tags {
  margin-top: var(--spacing-sm);
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.post-item-tags {
  margin-left: var(--spacing-sm);
}

/* Blog Header with Search */
.blog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.search-box input {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  width: 200px;
  transition: border-color 0.2s ease;
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-accent);
}

/* Tag Filter */
.tag-filter {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.filter-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.tag-btn {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tag-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.tag-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

/* Tags Page */
.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-2xl);
}

.tag-cloud-item {
  background: var(--color-bg-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius);
  transition: all 0.2s ease;
}

.tag-cloud-item:hover {
  background: var(--color-accent);
  color: white;
}

.tag-count {
  font-size: 0.75rem;
  opacity: 0.7;
}

.tag-section {
  margin-bottom: var(--spacing-2xl);
  scroll-margin-top: 80px;
}

.tag-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

/* Dashboard Half-Year Sections */
.half-section {
  background: var(--color-bg-secondary);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.half-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.half-header .goals-title {
  margin-bottom: 0;
}

.half-dates {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.half-time-remaining {
  font-size: 0.875rem;
  font-weight: 600;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius);
}

.half-time-remaining.active {
  background: var(--color-success);
  color: white;
}

.half-time-remaining.upcoming {
  background: var(--color-bg);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.half-time-remaining.completed {
  background: var(--color-text-secondary);
  color: white;
}

/* Archive Link */
.archive-link {
  display: inline-block;
  margin-top: var(--spacing-md);
  font-size: 0.875rem;
}

.back-to-current {
  display: inline-block;
  margin-top: var(--spacing-md);
  color: var(--color-text-secondary);
}

/* Archive Page */
.archive-section {
  max-width: 100%;
}

.archive-header {
  margin-bottom: var(--spacing-2xl);
}

.archive-subtitle {
  color: var(--color-text-secondary);
  margin-top: var(--spacing-sm);
}

.archive-year {
  margin-bottom: var(--spacing-2xl);
}

.archive-year-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-accent);
}

.archive-period {
  background: var(--color-bg-secondary);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.period-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xs);
}

.period-name {
  font-size: 1.125rem;
  font-weight: 600;
}

.period-status {
  font-size: 0.75rem;
  font-weight: 600;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius);
}

.period-status.completed {
  background: var(--color-success);
  color: white;
}

.period-dates {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.period-dates-text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.period-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xs);
}

.period-header-bar .goals-title {
  margin-bottom: 0;
}

.archive-period-section {
  background: var(--color-bg-secondary);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.archive-goals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.archive-goal-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-md);
}

.archive-goal-card .goal-name {
  font-size: 0.875rem;
}

.archive-goal-card .goal-percentage {
  font-size: 0.875rem;
}

/* Long-term Dashboard */
.longterm-section {
  background: var(--color-bg-secondary);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.longterm-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.longterm-header .goals-title {
  margin-bottom: 0;
}

.longterm-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius);
  background: var(--color-accent);
  color: white;
}

.longterm-badge.life {
  background: var(--color-success);
}

.longterm-card .goal-notes {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-top: var(--spacing-sm);
  font-style: italic;
}

/* Weekly Archive Page */
.weekly-archive .page-subtitle {
  color: var(--color-text-secondary);
  margin-top: var(--spacing-sm);
}

.weekly-list {
  margin-top: var(--spacing-xl);
}

.weekly-entry {
  background: var(--color-bg-secondary);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.weekly-entry-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.weekly-entry-title {
  font-size: 1.125rem;
  font-weight: 600;
}

.weekly-entry-date {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.weekly-entry-content p {
  margin-bottom: var(--spacing-md);
}

.weekly-entry-highlights {
  margin-top: var(--spacing-sm);
}

.weekly-entry-highlights ul {
  list-style: none;
  margin-top: var(--spacing-xs);
}

.weekly-entry-highlights li {
  padding-left: var(--spacing-md);
  position: relative;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-secondary);
}

.weekly-entry-highlights li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* Progress bar color variations */
.progress-bar.complete {
  background: var(--color-success);
}

.progress-bar.good {
  background: #22c55e;
}

.progress-bar.partial {
  background: var(--color-warning);
}

.progress-bar.low {
  background: #ef4444;
}

.goal-percentage.complete {
  color: var(--color-success);
}

.goal-percentage.good {
  color: #22c55e;
}

.goal-percentage.partial {
  color: var(--color-warning);
}

.goal-percentage.low {
  color: #ef4444;
}

/* Table styles for post content */
.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-md);
}

.post-content th,
.post-content td {
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  text-align: left;
}

.post-content th {
  background: var(--color-bg-secondary);
  font-weight: 600;
}

/* Responsive */
@media (max-width: 900px) {
  .dashboard-layout {
    grid-template-columns: 1fr;
  }

  .dashboard-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
  }

  .sidebar-section {
    margin-bottom: 0;
  }
}

@media (max-width: 640px) {
  .header-container {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .site-nav {
    gap: var(--spacing-md);
  }

  .post-title,
  .page-title,
  .dashboard-title {
    font-size: 1.5rem;
  }

  .year-stats {
    gap: var(--spacing-lg);
  }

  .stat-value {
    font-size: 1.25rem;
  }

  .dashboard-sidebar {
    grid-template-columns: 1fr;
  }

  .longterm-header,
  .period-header-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
}