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

:root {
  --sidebar-w: 280px;
  --bg:        #0f172a;
  --bg2:       #1e293b;
  --bg3:       #111827;
  --bg4:       #0d1526;
  --border:    rgba(51,65,85,.8);
  --border2:   rgba(51,65,85,.4);
  --text:      #e2e8f0;
  --text2:     #94a3b8;
  --text3:     #475569;
  --accent:    #7c3aed;
  --accent2:   #a78bfa;
  --accent-bg: rgba(124,58,237,.15);
  --accent-brd:rgba(124,58,237,.3);
  --success:   #22c55e;
  --danger:    #ef4444;
  --warn:      #f59e0b;
}

html, body { height: 100%; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: var(--bg); color: var(--text); font-size: 14px; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-thumb { background: rgba(124,58,237,.3); border-radius: 3px; }

/* ── Login ── */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg); background-image: radial-gradient(ellipse at 20% 20%, rgba(124,58,237,.12) 0%, transparent 60%), radial-gradient(ellipse at 80% 80%, rgba(109,40,217,.08) 0%, transparent 60%); }
.login-card { background: var(--bg2); border: 1px solid var(--accent-brd); border-radius: 16px; padding: 40px 36px; width: 380px; box-shadow: 0 20px 60px rgba(0,0,0,.4), 0 0 0 1px rgba(124,58,237,.1); }
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo-icon { width: 56px; height: 56px; background: linear-gradient(135deg, #7c3aed, #4f46e5); border-radius: 14px; display: inline-flex; align-items: center; justify-content: center; font-size: 26px; margin-bottom: 16px; box-shadow: 0 0 24px rgba(124,58,237,.4); }
.login-logo h1 { font-size: 22px; font-weight: 800; color: var(--text); }
.login-logo p { font-size: 13px; color: var(--text2); margin-top: 4px; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 11px; font-weight: 700; color: var(--text2); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .06em; }
.form-group input, .form-group textarea, .form-group select { width: 100%; background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; color: var(--text); font-size: 14px; outline: none; transition: border-color .15s, box-shadow .15s; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(124,58,237,.15); }
.form-group textarea { resize: vertical; min-height: 80px; font-family: inherit; }
.form-group select { background: var(--bg3); cursor: pointer; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 18px; border-radius: 8px; font-size: 13px; font-weight: 600; cursor: pointer; border: none; transition: all .15s; white-space: nowrap; }
.btn:hover { filter: brightness(1.1); }
.btn:active { transform: scale(.97); }
.btn-primary { background: linear-gradient(135deg, #7c3aed, #6d28d9); color: #fff; box-shadow: 0 4px 12px rgba(124,58,237,.3); }
.btn-danger   { background: rgba(239,68,68,.12); color: var(--danger); border: 1px solid rgba(239,68,68,.3); }
.btn-ghost    { background: rgba(255,255,255,.04); color: var(--text2); border: 1px solid var(--border); }
.btn-success  { background: rgba(34,197,94,.12); color: var(--success); border: 1px solid rgba(34,197,94,.3); }
.btn-block { width: 100%; }
.btn-sm { padding: 5px 12px; font-size: 12px; border-radius: 6px; }
.btn-xs { padding: 3px 8px; font-size: 11px; border-radius: 5px; }
.error-msg { color: var(--danger); font-size: 13px; margin-top: 12px; text-align: center; min-height: 20px; }

/* ── App ── */
.admin-app { display: flex; height: 100vh; overflow: hidden; }

/* ── Sidebar ── */
.admin-sidebar {
  width: var(--sidebar-w); min-width: var(--sidebar-w);
  background: var(--bg4);
  border-right: 1px solid rgba(124,58,237,.15);
  display: flex; flex-direction: column; overflow: hidden;
}

.admin-sidebar-header {
  padding: 16px 14px; border-bottom: 1px solid rgba(124,58,237,.15);
  display: flex; align-items: center; gap: 10px; flex-shrink: 0;
}
.admin-logo-icon { width: 28px; height: 28px; background: linear-gradient(135deg, #7c3aed, #4f46e5); border-radius: 7px; display: flex; align-items: center; justify-content: center; font-size: 14px; flex-shrink: 0; }
.admin-sidebar-title { font-size: 13px; font-weight: 800; flex: 1; color: var(--text); }
.admin-view-link { font-size: 11px; color: var(--text3); text-decoration: none; padding: 3px 7px; border-radius: 5px; border: 1px solid var(--border2); transition: all .15s; }
.admin-view-link:hover { color: var(--accent2); border-color: var(--accent-brd); }

.admin-sidebar-actions { padding: 10px 12px; border-bottom: 1px solid var(--border2); flex-shrink: 0; }

.admin-nav { flex: 1; overflow-y: auto; padding: 6px 0; }
.admin-nav-section { padding: 14px 10px 4px; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--text3); display: flex; align-items: center; justify-content: space-between; }
.admin-nav-section-icon { font-size: 13px; }
.admin-nav-item {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px; font-size: 13px; color: var(--text2);
  cursor: pointer; border-radius: 6px; margin: 1px 6px;
  transition: background .1s, color .1s;
  text-decoration: none; border: none; background: none;
  width: calc(100% - 12px); text-align: left;
  border-left: 2px solid transparent;
}
.admin-nav-item:hover { background: rgba(124,58,237,.08); color: var(--text); }
.admin-nav-item.active { background: rgba(124,58,237,.15); color: var(--accent2); border-left-color: var(--accent); }
.page-published { width: 6px; height: 6px; border-radius: 50%; background: var(--success); margin-left: auto; flex-shrink: 0; }
.page-draft     { width: 6px; height: 6px; border-radius: 50%; background: var(--warn); margin-left: auto; flex-shrink: 0; }

.admin-sidebar-footer { padding: 10px 12px; border-top: 1px solid var(--border2); display: flex; gap: 6px; flex-shrink: 0; }

/* ── Editor ── */
.admin-main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.editor-topbar {
  height: 52px; border-bottom: 1px solid var(--border2);
  display: flex; align-items: center; padding: 0 16px; gap: 10px;
  flex-shrink: 0; background: var(--bg4);
}
.editor-title-input { flex: 1; background: none; border: none; outline: none; font-size: 17px; font-weight: 800; color: var(--text); letter-spacing: -.01em; }
.editor-title-input::placeholder { color: var(--text3); }

/* ── Toolbar ── */
.editor-toolbar {
  display: flex; align-items: center; flex-wrap: wrap; gap: 2px;
  padding: 6px 12px; border-bottom: 1px solid var(--border2);
  background: var(--bg3); flex-shrink: 0;
}
.toolbar-sep { width: 1px; height: 20px; background: var(--border); margin: 0 4px; flex-shrink: 0; }
.toolbar-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 28px; border-radius: 6px; border: none;
  background: none; color: var(--text2); cursor: pointer;
  font-size: 13px; font-weight: 700; transition: background .1s, color .1s;
  position: relative;
}
.toolbar-btn:hover { background: rgba(124,58,237,.15); color: var(--accent2); }
.toolbar-btn.active { background: rgba(124,58,237,.2); color: var(--accent2); }
.toolbar-btn[title]:hover::after {
  content: attr(title); position: absolute; bottom: -28px; left: 50%; transform: translateX(-50%);
  background: var(--bg2); border: 1px solid var(--border); border-radius: 5px;
  padding: 3px 8px; font-size: 11px; color: var(--text2); white-space: nowrap; z-index: 100; font-weight: 400;
}
.toolbar-btn-wide { width: auto; padding: 0 8px; font-size: 12px; }
.toolbar-label { font-size: 11px; color: var(--text3); padding: 0 4px; }

/* ── Editor Body ── */
.editor-body { flex: 1; display: flex; overflow: hidden; }
.editor-pane { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.editor-pane + .editor-pane { border-left: 1px solid var(--border2); }
.editor-pane-header {
  height: 34px; display: flex; align-items: center; padding: 0 14px; gap: 8px;
  border-bottom: 1px solid var(--border2);
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--text3);
  flex-shrink: 0; background: var(--bg3);
}
.editor-textarea {
  flex: 1; padding: 20px 22px; background: var(--bg);
  color: var(--text); font-family: 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  font-size: 14px; line-height: 1.7; border: none; outline: none;
  resize: none; overflow-y: auto; tab-size: 2;
}
.editor-preview { flex: 1; padding: 20px 28px; overflow-y: auto; background: var(--bg2); }

/* Preview markdown */
.editor-preview h1 { font-size: 1.7rem; font-weight: 800; margin-bottom: 18px; border-bottom: 1px solid var(--border2); padding-bottom: 10px; }
.editor-preview h2 { font-size: 1.3rem; font-weight: 700; margin: 26px 0 10px; }
.editor-preview h3 { font-size: 1.1rem; font-weight: 600; margin: 20px 0 8px; }
.editor-preview p  { margin-bottom: 12px; line-height: 1.7; }
.editor-preview code { background: rgba(124,58,237,.12); border: 1px solid rgba(124,58,237,.2); padding: 2px 6px; border-radius: 4px; font-size: 13px; color: #c4b5fd; font-family: monospace; }
.editor-preview pre { background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; overflow-x: auto; margin: 12px 0; }
.editor-preview pre code { background: none; border: none; padding: 0; color: var(--text); }
.editor-preview blockquote { border-left: 3px solid var(--accent); padding: 10px 14px; background: var(--accent-bg); border-radius: 0 6px 6px 0; margin: 12px 0; color: var(--text2); }
.editor-preview ul, .editor-preview ol { margin: 10px 0 14px 20px; }
.editor-preview li { margin-bottom: 4px; }
.editor-preview table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 13px; }
.editor-preview th { background: var(--bg3); padding: 8px 12px; text-align: left; font-size: 11px; font-weight: 700; border: 1px solid var(--border); }
.editor-preview td { padding: 8px 12px; border: 1px solid var(--border2); }
.editor-preview img { max-width: 100%; border-radius: 8px; border: 1px solid var(--border2); }
.editor-preview strong { color: var(--text); font-weight: 700; }
.editor-preview a { color: var(--accent2); }
.editor-preview hr { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

/* ── Page Meta Bar ── */
.page-meta {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 7px 16px; border-top: 1px solid var(--border2);
  background: var(--bg4); flex-shrink: 0; font-size: 12px; color: var(--text2);
}
.meta-input {
  background: var(--bg3); border: 1px solid var(--border); border-radius: 6px;
  padding: 4px 8px; color: var(--text2); font-size: 12px; outline: none;
}
.meta-input:focus { border-color: var(--accent); color: var(--text); }
.slug-input { font-family: monospace; width: 180px; }
.pub-toggle { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.pub-toggle input[type=checkbox] { width: 14px; height: 14px; accent-color: var(--accent); cursor: pointer; }
.word-count { color: var(--text3); font-size: 11px; }

/* ── Settings/Content ── */
.admin-content { flex: 1; overflow-y: auto; padding: 32px; background: var(--bg); }
.admin-content h2 { font-size: 20px; font-weight: 800; margin-bottom: 24px; display: flex; align-items: center; gap: 8px; }

.card { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; padding: 24px; margin-bottom: 20px; }
.card h3 { font-size: 14px; font-weight: 700; margin-bottom: 18px; color: var(--text); display: flex; align-items: center; gap: 6px; }
.card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.page-list-item { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--border2); }
.page-list-item:last-child { border-bottom: none; }
.page-list-slug { font-size: 11px; color: var(--text3); font-family: monospace; margin-top: 2px; }
.page-list-actions { margin-left: auto; display: flex; gap: 6px; }

.badge { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 20px; font-size: 10px; font-weight: 700; }
.badge-green { background: rgba(34,197,94,.12); color: var(--success); }
.badge-warn  { background: rgba(245,158,11,.12); color: var(--warn); }

/* ── Image Modal ── */
.modal-overlay { display: none; position: fixed; inset: 0; z-index: 1000; background: rgba(0,0,0,.65); backdrop-filter: blur(4px); align-items: center; justify-content: center; }
.modal-overlay.open { display: flex; }
.modal { background: var(--bg2); border: 1px solid var(--accent-brd); border-radius: 14px; padding: 28px; width: 480px; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.modal h3 { font-size: 16px; font-weight: 700; margin-bottom: 20px; }
.modal-actions { display: flex; gap: 8px; margin-top: 20px; justify-content: flex-end; }
.tab-bar { display: flex; gap: 2px; background: var(--bg3); border-radius: 8px; padding: 3px; margin-bottom: 16px; }
.tab-btn { flex: 1; padding: 6px 12px; border-radius: 6px; border: none; background: none; color: var(--text2); font-size: 12px; font-weight: 600; cursor: pointer; transition: all .15s; }
.tab-btn.active { background: var(--accent); color: #fff; }
.drop-zone { border: 2px dashed var(--border); border-radius: 10px; padding: 32px; text-align: center; color: var(--text3); cursor: pointer; transition: border-color .15s, background .15s; }
.drop-zone:hover, .drop-zone.drag { border-color: var(--accent); background: var(--accent-bg); color: var(--accent2); }
.drop-zone input { display: none; }

/* ── Toasts ── */
.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 12px 16px; font-size: 13px; font-weight: 600; animation: slideIn .2s ease; max-width: 280px; }
.toast.success { border-color: rgba(34,197,94,.4); color: var(--success); }
.toast.error   { border-color: rgba(239,68,68,.4); color: var(--danger); }
@keyframes slideIn { from { transform: translateY(10px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* ── Welcome screen ── */
.welcome-screen { display: flex; align-items: center; justify-content: center; height: 100%; }
.welcome-inner { text-align: center; max-width: 360px; }
.welcome-icon { font-size: 56px; margin-bottom: 20px; }
.welcome-inner h2 { font-size: 20px; font-weight: 800; margin-bottom: 10px; }
.welcome-inner p { color: var(--text2); font-size: 14px; line-height: 1.6; }