/* ── Boot Screen ─────────────────────────────────── */
#boot-screen {
  position: fixed;
  inset: 0;
  background: #0d1117;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease;
}
.boot-text {
  font-family: 'Fira Code', 'Cascadia Code', 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  line-height: 1.9;
  color: #00d4ff;
  max-width: 520px;
  width: 90%;
}

/* ── Custom Cursor ───────────────────────────────── */
body { cursor: none; }

#cursor {
  position: fixed;
  width: 22px; height: 22px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  transition: transform 0.15s, border-color 0.2s, background 0.2s;
}
#cursor-dot {
  position: fixed;
  width: 4px; height: 4px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 8px var(--accent);
}
@media (hover: none), (max-width: 768px) {
  body { cursor: auto; }
  #cursor, #cursor-dot { display: none; }
  a, button { cursor: pointer; }
}

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

:root {
  --bg:           #0d1117;
  --sidebar-bg:   #161b22;
  --border:       #30363d;
  --card-bg:      #161b22;
  --card-hover:   #1c2128;
  --text:         #e6edf3;
  --text-2:       #c9d1d9;
  --muted:        #8b949e;
  --accent:       #00d4ff;
  --accent-hover: #33ddff;
  --accent-dim:   #002233;
  --tag-bg:       #001e2e;
  --tag-text:     #7dd3fc;
  --danger:       #f85149;
  --sidebar-w:    260px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Sidebar ───────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  padding: 2rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-logo .name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.sidebar-logo .name span { color: var(--accent); }
.sidebar-logo .role {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 2px;
}

.sidebar-section-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  padding: 0 0.5rem;
  margin-bottom: 0.25rem;
  display: block;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 0.6rem;
  border-radius: 6px;
  font-size: 0.875rem;
  color: var(--text-2);
  transition: background 0.15s, color 0.15s;
}
.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: var(--card-hover);
  color: var(--accent);
  text-decoration: none;
}
.sidebar-nav a svg { flex-shrink: 0; opacity: 0.75; }

.sidebar-contacts {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.sidebar-contacts a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--muted);
  transition: color 0.15s;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sidebar-contacts a:hover { color: var(--accent); text-decoration: none; }
.sidebar-contacts svg { flex-shrink: 0; }

.sidebar-clock {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.75rem;
}
.sidebar-clock .label {
  font-size: 0.68rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}
.sidebar-clock .time {
  font-size: 1rem;
  color: var(--accent);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.sidebar-footer { margin-top: auto; }

.admin-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--muted);
  padding: 0.45rem 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  transition: all 0.15s;
}
.admin-link:hover {
  color: var(--accent);
  border-color: var(--accent-dim);
  background: var(--accent-dim);
  text-decoration: none;
}

/* ── Main ────────────────────────────────────────── */
.main {
  margin-left: var(--sidebar-w);
  padding: 3rem 4rem 3.5rem;
  max-width: calc(var(--sidebar-w) + 800px);
  min-height: 100vh;
}

.page-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.page-header h1 { font-size: 1.5rem; font-weight: 700; color: var(--text); }
.page-header p  { font-size: 0.875rem; color: var(--muted); margin-top: 4px; }

/* ── Post Cards ──────────────────────────────────── */
.posts-list { display: flex; flex-direction: column; gap: 1.25rem; }

.post-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
}
.post-card:hover {
  border-color: var(--accent-dim);
  background: var(--card-hover);
  transform: translateY(-1px);
}
.post-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.4rem;
  transition: color 0.15s;
}
.post-card:hover .post-card-title { color: var(--accent); }

.post-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}
.post-card-meta .dot::before { content: '·'; margin-right: 0.75rem; }

.post-card-excerpt {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tags { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.tag {
  background: var(--tag-bg);
  color: var(--tag-text);
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
  border-radius: 20px;
}

.read-more {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.82rem;
  color: var(--accent);
}

.empty-state {
  text-align: center;
  padding: 5rem 2rem;
  color: var(--muted);
}
.empty-state .icon { font-size: 2.5rem; margin-bottom: 1rem; }
.empty-state h3 { font-size: 1rem; color: var(--text-2); margin-bottom: 0.4rem; }
.empty-state p { font-size: 0.875rem; }

/* ── Single Post ─────────────────────────────────── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 2rem;
  transition: color 0.15s;
}
.back-link:hover { color: var(--accent); text-decoration: none; }

.post-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.post-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.post-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--muted);
}

.post-content {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-2);
}
.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4 {
  color: var(--text);
  font-weight: 600;
  margin: 2rem 0 0.75rem;
  line-height: 1.3;
}
.post-content h1 { font-size: 1.6rem; }
.post-content h2 { font-size: 1.3rem; border-bottom: 1px solid var(--border); padding-bottom: 0.4rem; }
.post-content h3 { font-size: 1.1rem; }
.post-content p  { margin-bottom: 1.25rem; }

.post-content code {
  background: #161b22;
  border: 1px solid var(--border);
  padding: 0.15em 0.45em;
  border-radius: 4px;
  font-family: 'Fira Code', 'Cascadia Code', 'JetBrains Mono', monospace;
  font-size: 0.875em;
  color: #e6edf3;
}
.post-content pre {
  background: #0d1117;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  margin-bottom: 1.25rem;
}
.post-content pre code { background: none; border: none; padding: 0; font-size: 0.875rem; }

.post-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.5rem 1rem;
  color: var(--muted);
  margin: 1.25rem 0;
  background: var(--card-bg);
  border-radius: 0 6px 6px 0;
}
.post-content ul, .post-content ol { padding-left: 1.5rem; margin-bottom: 1.25rem; }
.post-content li { margin-bottom: 0.35rem; }
.post-content a { color: var(--accent); }
.post-content img { max-width: 100%; border-radius: 8px; margin: 1rem 0; }
.post-content table { width: 100%; border-collapse: collapse; margin-bottom: 1.25rem; font-size: 0.9rem; }
.post-content th, .post-content td { border: 1px solid var(--border); padding: 0.6rem 0.75rem; text-align: left; }
.post-content th { background: var(--card-bg); color: var(--text); font-weight: 600; }
.post-content hr { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }

/* ── Admin ───────────────────────────────────────── */
.auth-overlay {
  position: fixed;
  inset: 0;
  background: rgba(1, 4, 9, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  backdrop-filter: blur(6px);
}
.auth-card {
  background: var(--sidebar-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  width: 100%;
  max-width: 380px;
  position: relative;
}
.auth-card h2 { font-size: 1.1rem; color: var(--text); margin-bottom: 0.35rem; }
.auth-card p  { font-size: 0.85rem; color: var(--muted); margin-bottom: 1.5rem; }

.form-group { display: flex; flex-direction: column; gap: 0.35rem; margin-bottom: 1rem; }
.form-group label { font-size: 0.82rem; color: var(--muted); font-weight: 500; }

input[type="text"],
input[type="password"],
input[type="date"],
textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.6rem 0.75rem;
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.9rem;
  width: 100%;
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-dim);
  box-shadow: 0 0 0 3px rgba(63, 185, 80, 0.1);
}

textarea.code-editor {
  font-family: 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.85rem;
  line-height: 1.65;
  min-height: 420px;
  resize: vertical;
  tab-size: 2;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 0.875rem;
  font-family: inherit;
  font-weight: 500;
  transition: all 0.15s;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #0d1117; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary { background: transparent; border-color: var(--border); color: var(--text-2); }
.btn-secondary:hover { border-color: var(--accent-dim); color: var(--accent); }

.btn-danger { background: transparent; border-color: var(--border); color: var(--muted); }
.btn-danger:hover { border-color: var(--danger); color: var(--danger); }

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.admin-header h1 { font-size: 1.25rem; color: var(--text); }

.admin-toolbar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.editor-wrap { position: relative; }

.preview-panel {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
  display: none;
  margin-top: 1rem;
}
.preview-panel.visible { display: block; }
.preview-panel h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--sidebar-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  z-index: 9999;
  max-width: 340px;
  display: none;
}
.toast.visible {
  display: block;
  animation: slideUp 0.2s ease;
}
.toast.success { border-color: var(--accent); color: var(--accent); }
.toast.error   { border-color: var(--danger); color: var(--danger); }
@keyframes slideUp {
  from { transform: translateY(8px); opacity: 0; }
  to   { transform: translateY(0);   opacity: 1; }
}

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 900px) {
  .main { padding: 2rem; }
}
@media (max-width: 768px) {
  .sidebar {
    position: static;
    width: 100%;
    height: auto;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    padding: 1rem;
    gap: 1rem;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .sidebar-footer,
  .sidebar-clock { display: none; }
  .main { margin-left: 0; padding: 1.5rem; max-width: 100%; }
  .form-row { grid-template-columns: 1fr; }
  .post-title { font-size: 1.5rem; }
}

/* ── Site Footer ─────────────────────────────────── */
.site-footer {
  position: fixed;
  bottom: 28px;
  left: var(--sidebar-w);
  right: 0;
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  font-size: 0.75rem;
  color: var(--accent);
  background: linear-gradient(to top, var(--bg) 60%, transparent);
  z-index: 50;
}
.site-footer a { color: var(--accent); transition: color 0.15s; }
.site-footer a:hover { color: var(--accent-hover); text-decoration: none; }
.footer-dot { opacity: 0.4; }

/* ── Sidebar Visitors ────────────────────────────── */
.sidebar-visitors {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.75rem;
}
.visitors-label {
  font-size: 0.68rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}
.visitors-count {
  font-size: 1rem;
  color: var(--accent);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

/* ── Bottom Status Bar (portfolio-style) ─────────── */
.status-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 28px;
  background: var(--sidebar-bg);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 1rem;
  gap: 1.5rem;
  z-index: 200;
  font-size: 0.68rem;
  font-family: 'Fira Code', 'Cascadia Code', monospace;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.sb-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
}