.sidebar { width: 250px; background-color: var(--bg-sidebar); border-right: 1px solid var(--border-card); display: flex; flex-direction: column; justify-content: space-between; height: 100vh; flex-shrink: 0; }
.logo-area { padding: 24px 20px; display: flex; align-items: center; gap: 12px; border-bottom: 1px solid rgba(255, 255, 255, 0.03); }
.logo-icon-wrapper { background-color: rgba(29, 78, 216, 0.1); border: 1.5px solid var(--accent-blue); width: 38px; height: 38px; border-radius: 8px; display: flex; align-items: center; justify-content: center; }
.logo-icon { color: var(--accent-blue-bright); font-size: 18px; }
.logo-title { font-size: 14px; font-weight: 700; color: #ffffff; display: block;}
.logo-subtitle { font-size: 11px; color: var(--text-muted); }
.nav-container { flex: 1; overflow-y: auto; padding: 15px 12px; display: flex; flex-direction: column; gap: 20px; }
.nav-section { display: flex; flex-direction: column; gap: 4px; }
.section-title { font-size: 9px; font-weight: 700; color: var(--text-muted); letter-spacing: 1px; padding-left: 12px; margin-bottom: 6px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; color: var(--text-muted); text-decoration: none; font-size: 12px; font-weight: 500; border-radius: 6px; transition: all 0.2s ease; }
.nav-item i { width: 16px; font-size: 14px; text-align: center; }
.nav-item:hover { color: #ffffff; background-color: rgba(255, 255, 255, 0.02); }
.nav-item.active { background-color: var(--accent-blue); color: #ffffff; }
.user-profile { padding: 15px; border-top: 1px solid rgba(255, 255, 255, 0.03); display: flex; align-items: center; justify-content: space-between; background-color: rgba(0, 0, 0, 0.15); }
.profile-left { display: flex; align-items: center; gap: 10px; }
.avatar-wrapper { width: 36px; height: 36px; border-radius: 50%; overflow: hidden; border: 1.5px solid #2d3748; }
.avatar-placeholder { width: 100%; height: 100%; background: linear-gradient(135deg, #2b6cb0, #1a365d); color: white; display: flex; align-items: center; justify-content: center; font-weight: 700;}
.profile-name { font-size: 12px; font-weight: 600; color: #ffffff; display: block; }
.profile-username { font-size: 10px; color: var(--text-muted); }
.action-btn { background: none; border: none; color: var(--text-muted); font-size: 14px; cursor: pointer; width: 26px; height: 26px; border-radius: 4px; transition: all 0.15s ease; }
.action-btn:hover { color: #ffffff; background-color: rgba(255, 255, 255, 0.05); }