/* ── Variables ── */
:root {
  --bg:        #111217;
  --panel:     #181b1f;
  --sidebar:   #0f1117;
  --border:    #2c2f36;
  --text:      #d8d9da;
  --muted:     #6c737a;
  --accent:    #F46800;
  --accent-h:  #ff7d20;
  --danger:    #e02f44;
  --success:   #1c9b56;
  --input-bg:  #1e2028;
  --radius:    6px;
  --font:      'Segoe UI', system-ui, sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  height: 100vh;
  overflow: hidden;
}

/* ── Pages ── */
.page { width: 100%; height: 100vh; }
.hidden { display: none !important; }

/* ── Login ── */
#loginPage {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}

.login-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  width: 340px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.login-box input {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 10px 12px;
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
}
.login-box input:focus { border-color: var(--accent); }

.login-box button {
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  color: #fff;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  padding: 11px;
  transition: background .2s;
}
.login-box button:hover { background: var(--accent-h); }

.error { color: var(--danger); font-size: 13px; text-align: center; }

/* ── App Layout ── */
#appPage {
  display: flex;
  height: 100vh;
}

/* ── Sidebar ── */
#sidebar {
  width: 260px;
  min-width: 260px;
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 16px;
  border-bottom: 1px solid var(--border);
}

.site-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-search {
  padding: 12px;
  border-bottom: 1px solid var(--border);
}

.sidebar-search input {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 8px 10px;
  font-size: 13px;
  outline: none;
}
.sidebar-search input:focus { border-color: var(--accent); }

.doc-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}

.doc-item {
  padding: 9px 16px;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: background .15s, border-color .15s;
  display: flex;
  align-items: center;
  gap: 8px;
}
.doc-item:hover { background: rgba(244,104,0,.08); }
.doc-item.active {
  background: rgba(244,104,0,.14);
  border-left-color: var(--accent);
  color: var(--accent);
}

.doc-item-icon { font-size: 15px; }
.doc-item-title { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.role-tag {
  font-size: 11px;
  background: rgba(244,104,0,.18);
  color: var(--accent);
  padding: 3px 8px;
  border-radius: 20px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
}

#logoutBtn {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: var(--radius);
  padding: 5px 10px;
  cursor: pointer;
  font-size: 12px;
  transition: color .2s, border-color .2s;
}
#logoutBtn:hover { color: var(--text); border-color: var(--text); }

/* ── Main Content ── */
#mainContent {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.admin-toolbar {
  display: flex;
  gap: 10px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

.btn-primary {
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  color: #fff;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  transition: background .2s;
}
.btn-primary:hover { background: var(--accent-h); }

.btn-secondary {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
  padding: 8px 16px;
  transition: border-color .2s;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.btn-danger {
  background: none;
  border: 1px solid var(--danger);
  border-radius: var(--radius);
  color: var(--danger);
  cursor: pointer;
  font-size: 13px;
  padding: 8px 16px;
  transition: background .2s;
}
.btn-danger:hover { background: var(--danger); color: #fff; }

/* ── Doc Viewer ── */
.doc-viewer {
  flex: 1;
  overflow-y: auto;
  padding: 32px 40px;
}

.welcome { text-align: center; margin-top: 80px; }
.welcome h1 { font-size: 28px; margin-bottom: 12px; color: var(--text); }
.welcome h1 span { color: var(--accent); }
.welcome p { color: var(--muted); font-size: 15px; }

/* Doc content */
.doc-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  gap: 20px;
}

.doc-header h1 { font-size: 26px; color: var(--text); }

.doc-header-meta { color: var(--muted); font-size: 12px; margin-top: 4px; }

.doc-header-actions { display: flex; gap: 8px; flex-shrink: 0; }

.doc-body {
  line-height: 1.8;
  font-size: 14.5px;
  color: var(--text);
  white-space: pre-wrap;
  max-width: 860px;
}

.doc-link-box {
  margin-top: 28px;
  padding: 14px 18px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  border-left: 3px solid var(--accent);
}
.doc-link-box p { color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.doc-link-box code {
  color: var(--accent);
  font-size: 13px;
  word-break: break-all;
}

/* ── Modals ── */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 28px 24px;
  width: 500px;
  max-width: 95vw;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.modal-box h2 { font-size: 18px; font-weight: 700; margin-bottom: 4px; }

.modal-box label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }

.modal-box input[type="text"],
.modal-box input[type="color"],
.modal-box textarea {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 9px 12px;
  font-size: 14px;
  outline: none;
  font-family: var(--font);
  transition: border-color .2s;
}
.modal-box input:focus,
.modal-box textarea:focus { border-color: var(--accent); }

.modal-box textarea { min-height: 200px; resize: vertical; }

.modal-box input[type="color"] {
  height: 40px;
  padding: 4px;
  cursor: pointer;
}

.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 4px; }

/* Link modal */
.link-hint { color: var(--muted); font-size: 13px; }
.link-box {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  color: var(--accent);
  word-break: break-all;
  font-size: 13px;
  font-family: monospace;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }