/* ====================================================
   DevLog — Full Design System
   Dark, developer-friendly aesthetic with premium feel
   ==================================================== */

/* ============= DESIGN TOKENS ============= */
:root {
  /* Backgrounds */
  --bg-primary: #0d1117;
  --bg-card: #161b22;
  --bg-surface: #21262d;
  --bg-surface-hover: #30363d;
  --bg-overlay: rgba(1, 4, 9, 0.88);

  /* Brand accent */
  --accent: #58a6ff;
  --accent-hover: #388bfd;
  --accent-subtle: rgba(88, 166, 255, 0.12);
  --accent-glow: rgba(88, 166, 255, 0.25);

  /* Text */
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #484f58;
  --text-inverse: #0d1117;

  /* Semantic */
  --success: #3fb950;
  --success-subtle: rgba(63, 185, 80, 0.12);
  --danger: #f85149;
  --danger-hover: #da3633;
  --danger-subtle: rgba(248, 81, 73, 0.12);
  --warning: #d29922;
  --warning-subtle: rgba(210, 153, 34, 0.12);

  /* Borders */
  --border: #30363d;
  --border-subtle: #21262d;
  --border-emphasis: #484f58;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Lora', Georgia, serif;
  --font-mono: 'Fira Code', 'Cascadia Code', Consolas, monospace;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
  --shadow-accent: 0 0 20px var(--accent-glow);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============= RESET & BASE ============= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

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

button { cursor: pointer; font-family: inherit; }

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ============= NAVIGATION ============= */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition-base);
}

.nav-header.scrolled { box-shadow: var(--shadow-md); }

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  transition: opacity var(--transition-fast);
  flex-shrink: 0;
}

.nav-logo:hover { opacity: 0.85; color: var(--text-primary); }

.nav-logo-icon {
  font-size: 1.4rem;
  color: var(--accent);
  filter: drop-shadow(0 0 8px var(--accent-glow));
  animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { filter: drop-shadow(0 0 6px var(--accent-glow)); }
  50% { filter: drop-shadow(0 0 14px var(--accent)); }
}

.nav-links { display: flex; align-items: center; }
.nav-guest, .nav-auth { display: flex; align-items: center; gap: var(--space-3); }

.nav-link {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  text-decoration: none;
}

.nav-link:hover { color: var(--text-primary); background: var(--bg-surface); }

/* User avatar menu */
.nav-user-menu { position: relative; }

.nav-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--accent), #a371f7);
  border: 2px solid var(--border);
  color: white;
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-avatar:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 220px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  opacity: 0;
  transform: translateY(-8px) scale(0.96);
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
  z-index: 200;
}

.nav-dropdown.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

.nav-dropdown-header {
  padding: var(--space-3) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-dropdown-header #nav-dropdown-username {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.nav-dropdown-header #nav-dropdown-email {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.dropdown-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--space-2) 0;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  text-align: left;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.dropdown-item:hover { background: var(--bg-surface); color: var(--text-primary); }
.dropdown-item-danger:hover { background: var(--danger-subtle); color: var(--danger); }

.nav-mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 1.1rem;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
}

/* ============= BUTTONS ============= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: white;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:active::after { opacity: 0.06; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 0 0 var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: 0 0 16px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}

.btn-ghost:hover { background: var(--bg-surface); color: var(--text-primary); }

.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

.btn-danger:hover {
  background: var(--danger-hover);
  transform: translateY(-1px);
}

.btn-sm { padding: 7px 14px; font-size: 0.82rem; }
.btn-full { width: 100%; }

.btn-icon {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1rem;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  line-height: 1;
}

.btn-icon:hover { color: var(--text-primary); background: var(--bg-surface); }

/* Spinner inside button */
.btn-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============= MAIN LAYOUT ============= */
.main-content {
  padding-top: 64px;
  min-height: 100vh;
}

.view {
  animation: fade-in var(--transition-base);
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============= FEED VIEW ============= */
.feed-hero {
  background: linear-gradient(160deg, var(--bg-card) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--border);
  padding: var(--space-16) var(--space-6);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.feed-hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
}

.feed-hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: var(--space-4);
}

.feed-hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.feed-hero-decoration {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
}

.hero-orb-1 {
  width: 400px;
  height: 400px;
  background: var(--accent);
  top: -100px;
  left: -100px;
}

.hero-orb-2 {
  width: 300px;
  height: 300px;
  background: #a371f7;
  bottom: -80px;
  right: -50px;
}

.feed-body {
  max-width: 860px;
  margin: 0 auto;
  padding: var(--space-10) var(--space-6);
}

.feed-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.feed-section-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

/* ============= POST CARDS ============= */
.posts-list { display: flex; flex-direction: column; gap: var(--space-4); }

.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.post-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform var(--transition-base);
  border-radius: 0 0 0 var(--radius-lg);
}

.post-card:hover {
  border-color: var(--border-emphasis);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.post-card:hover::before { transform: scaleY(1); }

.post-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.post-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
  letter-spacing: -0.01em;
  transition: color var(--transition-fast);
  flex: 1;
}

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

.post-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.post-card-author {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 500;
}

.mini-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #a371f7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.post-card-meta-divider { color: var(--text-muted); }

.post-card-snippet {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-subtle);
}

.post-card-stats {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.post-card-stat {
  display: flex;
  align-items: center;
  gap: 4px;
}

.post-card-read-more {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition-fast);
}

.post-card:hover .post-card-read-more { gap: 8px; }

/* ============= SKELETON LOADERS ============= */
.skeleton {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  animation: skeleton-pulse 1.5s ease-in-out infinite;
}

.skeleton-line {
  height: 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  margin-bottom: var(--space-3);
}

.skeleton-line.lg { height: 20px; width: 70%; }
.skeleton-line.md { height: 12px; width: 45%; }
.skeleton-line.sm { height: 10px; width: 30%; }
.skeleton-line.full { width: 100%; }
.skeleton-line.w-80 { width: 80%; }
.skeleton-line.w-60 { width: 60%; }

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

/* ============= PAGINATION ============= */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
}

.page-indicator {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ============= SINGLE POST VIEW ============= */
.post-container {
  max-width: 780px;
  margin: 0 auto;
  padding: var(--space-12) var(--space-6) var(--space-8);
}

.post-back-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: var(--space-8);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.post-back-btn:hover { color: var(--text-primary); background: var(--bg-surface); }

.post-header { margin-bottom: var(--space-8); }

.post-category-badge {
  display: inline-block;
  background: var(--accent-subtle);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.post-full-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: var(--space-5);
}

.post-full-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.post-author-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
}

.post-author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #a371f7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.post-author-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.post-date { font-size: 0.82rem; color: var(--text-secondary); }

.post-meta-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.post-action-btns {
  display: flex;
  gap: var(--space-2);
}

.post-body {
  margin-top: var(--space-8);
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.85;
  color: #cdd6e3;
}

.post-body p {
  margin-bottom: 1.4em;
}

.post-body p:last-child { margin-bottom: 0; }

/* ============= COMMENTS SECTION ============= */
.comments-section {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 var(--space-6) var(--space-16);
  border-top: 1px solid var(--border);
}

.comments-header {
  padding: var(--space-8) 0 var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.comments-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.comments-count-badge {
  background: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

/* Comment form */
.comment-form-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-6);
}

.comment-form-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.comment-form-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.comment-textarea {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: var(--space-3) var(--space-4);
  font-size: 0.9rem;
  line-height: 1.6;
  resize: vertical;
  min-height: 100px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  margin-bottom: var(--space-3);
}

.comment-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

.comment-form-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.comment-login-prompt {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: center;
  margin-bottom: var(--space-6);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.comment-login-prompt .link-btn { margin-left: 4px; }

/* Comment items */
.comments-list { display: flex; flex-direction: column; gap: var(--space-4); }

.comment-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  animation: slide-up var(--transition-base);
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.comment-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.comment-author-info {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.comment-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, #a371f7, var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
}

.comment-author-name {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.comment-date { font-size: 0.78rem; color: var(--text-muted); }

.comment-body {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.comment-delete-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.comment-delete-btn:hover { color: var(--danger); background: var(--danger-subtle); }

.comments-empty {
  text-align: center;
  padding: var(--space-8);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ============= DASHBOARD VIEW ============= */
.dashboard-container {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-10) var(--space-6);
}

.dashboard-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--border);
}

.dashboard-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.dashboard-subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: var(--space-1);
}

/* Post editor card */
.editor-card {
  background: var(--bg-card);
  border: 1px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-8);
  box-shadow: 0 0 0 1px var(--accent-subtle), var(--shadow-md);
  animation: fade-in var(--transition-base);
}

.editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.editor-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.editor-form { display: flex; flex-direction: column; gap: var(--space-5); }

.editor-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  padding-top: var(--space-2);
}

/* Dashboard posts list */
.section-heading {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.82rem;
  margin-bottom: var(--space-4);
}

.dashboard-posts-list { display: flex; flex-direction: column; gap: var(--space-3); }

.dashboard-post-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  transition: border-color var(--transition-fast);
}

.dashboard-post-item:hover { border-color: var(--border-emphasis); }

.dashboard-post-info { flex: 1; min-width: 0; }

.dashboard-post-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  transition: color var(--transition-fast);
}

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

.dashboard-post-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  gap: var(--space-3);
}

.dashboard-post-actions {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* ============= FORMS ============= */
.form-group { display: flex; flex-direction: column; gap: var(--space-1); }

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  display: block;
  margin-bottom: 2px;
}

.form-input {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 11px var(--space-4);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

.form-input.error { border-color: var(--danger); box-shadow: 0 0 0 3px var(--danger-subtle); }
.form-input::placeholder { color: var(--text-muted); }

.form-textarea {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: var(--space-3) var(--space-4);
  font-size: 0.9rem;
  resize: vertical;
  width: 100%;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  font-family: var(--font-sans);
  line-height: 1.65;
}

.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

.form-textarea.error { border-color: var(--danger); }
.form-textarea::placeholder { color: var(--text-muted); }

.form-error {
  font-size: 0.78rem;
  color: var(--danger);
  font-weight: 500;
  min-height: 16px;
}

.form-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.form-error-banner {
  background: var(--danger-subtle);
  border: 1px solid rgba(248, 81, 73, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: 0.85rem;
  color: var(--danger);
  font-weight: 500;
}

/* Password toggle */
.input-with-toggle { position: relative; }
.input-with-toggle .form-input { padding-right: 44px; }

.input-toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  line-height: 1;
  padding: 2px;
  transition: color var(--transition-fast);
}

.input-toggle:hover { color: var(--text-secondary); }

/* Password strength */
.password-strength { margin-top: var(--space-2); }

.strength-bar {
  height: 3px;
  background: var(--bg-surface-hover);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: 4px;
}

.strength-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--transition-base), background var(--transition-base);
  width: 0%;
}

.strength-fill.weak { background: var(--danger); }
.strength-fill.fair { background: var(--warning); }
.strength-fill.good { background: #79c0ff; }
.strength-fill.strong { background: var(--success); }

.strength-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ============= MODALS ============= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  animation: fade-in var(--transition-fast);
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(88, 166, 255, 0.08);
  animation: modal-in var(--transition-base);
}

.modal-card-sm { max-width: 360px; }

@keyframes modal-in {
  from { opacity: 0; transform: scale(0.94) translateY(-10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  text-align: center;
  margin-bottom: var(--space-6);
  position: relative;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
  letter-spacing: -0.02em;
}

.modal-subtitle {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.modal-close {
  position: absolute;
  top: -4px;
  right: -4px;
  font-size: 1rem;
  color: var(--text-muted);
}

.modal-form { display: flex; flex-direction: column; gap: var(--space-4); }

.modal-footer-text {
  text-align: center;
  margin-top: var(--space-5);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--transition-fast);
}

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

.modal-divider {
  text-align: center;
  margin: var(--space-5) 0 var(--space-4);
  position: relative;
  color: var(--text-muted);
  font-size: 0.78rem;
}

.modal-divider::before,
.modal-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: calc(50% - 60px);
  height: 1px;
  background: var(--border);
}

.modal-divider::before { left: 0; }
.modal-divider::after { right: 0; }

/* Demo credentials */
.demo-creds {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.demo-cred-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.demo-cred-btn:hover {
  background: var(--bg-surface-hover);
  border-color: var(--accent);
  color: var(--text-primary);
}

.demo-avatar { font-size: 1.2rem; }

/* Confirm delete */
.confirm-icon {
  font-size: 2rem;
  text-align: center;
  margin-bottom: var(--space-3);
}

.confirm-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

/* ============= TOASTS ============= */
.toast-container {
  position: fixed;
  top: 80px;
  right: var(--space-6);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  pointer-events: all;
  min-width: 260px;
  max-width: 380px;
  animation: toast-in 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
}

.toast::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  width: 100%;
  animation: toast-progress 3s linear forwards;
}

.toast-success { border-color: rgba(63, 185, 80, 0.4); }
.toast-success::after { background: var(--success); }

.toast-error { border-color: rgba(248, 81, 73, 0.4); }
.toast-error::after { background: var(--danger); }

.toast-info { border-color: rgba(88, 166, 255, 0.4); }
.toast-info::after { background: var(--accent); }

.toast-icon { font-size: 1rem; flex-shrink: 0; }
.toast-message { flex: 1; }

.toast.toast-exit {
  animation: toast-out 0.3s ease-in forwards;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px) scale(0.95); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}

@keyframes toast-out {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(20px); }
}

@keyframes toast-progress {
  from { width: 100%; }
  to { width: 0%; }
}

/* ============= EMPTY STATES ============= */
.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-6);
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
}

.empty-state h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.empty-state p {
  font-size: 0.9rem;
  margin-bottom: var(--space-5);
}

/* ============= GLOBAL LOADER ============= */
.global-spinner {
  position: fixed;
  top: 70px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8rem;
  color: var(--text-secondary);
  box-shadow: var(--shadow-md);
  z-index: 300;
  animation: fade-in var(--transition-fast);
}

.global-spinner-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  border-top-color: transparent;
  animation: spin 0.7s linear infinite;
}

/* ============= RESPONSIVE ============= */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-mobile-toggle { display: flex; }

  .nav-links.mobile-open {
    display: flex;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: var(--space-4);
    flex-direction: column;
    gap: var(--space-2);
    z-index: 99;
  }

  .nav-guest, .nav-auth { flex-direction: column; width: 100%; }
  .nav-guest .btn, .nav-auth .btn { width: 100%; }
  .nav-dropdown { position: fixed; top: auto; right: var(--space-4); bottom: var(--space-4); }

  .feed-hero { padding: var(--space-10) var(--space-4); }

  .dashboard-header { flex-direction: column; gap: var(--space-4); }
  .dashboard-header .btn { width: 100%; }

  .post-full-meta { gap: var(--space-3); }

  .demo-creds { grid-template-columns: 1fr; }

  .modal-card { padding: var(--space-6); }

  .toast-container { right: var(--space-4); left: var(--space-4); }
  .toast { min-width: 0; max-width: 100%; }
}

@media (max-width: 480px) {
  .feed-body { padding: var(--space-6) var(--space-4); }
  .post-container { padding: var(--space-8) var(--space-4) var(--space-6); }
  .comments-section { padding: 0 var(--space-4) var(--space-10); }
  .dashboard-container { padding: var(--space-6) var(--space-4); }

  .post-card { padding: var(--space-4); }
  .post-card-header { flex-direction: column; }

  .post-action-btns { flex-direction: column; }
}