:root{--bg-base: #0b0f1a;--bg-surface: #111726;--bg-surface-2: #161d30;--bg-elevated: #1a2236;--bg-hover: #1e2740;--border-subtle: rgba(255,255,255,.06);--border-default: rgba(255,255,255,.09);--border-strong: rgba(255,255,255,.14);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--accent: #6366f1;--accent-hover: #818cf8;--accent-dim: rgba(99,102,241,.12);--accent-glow: rgba(99,102,241,.25);--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--info: #3b82f6;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-sm: 0 1px 2px rgba(0,0,0,.3);--shadow-md: 0 4px 12px rgba(0,0,0,.25);--shadow-lg: 0 12px 40px rgba(0,0,0,.4);--font-sans: "Inter", -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", "Fira Code", "JetBrains Mono", Consolas, monospace;--transition: .15s cubic-bezier(.4,0,.2,1)}html,body{height:100%;margin:0}*{box-sizing:border-box}body{font-family:var(--font-sans);background:var(--bg-base);color:var(--text-primary);overflow:hidden;font-feature-settings:"cv02","cv03","cv04","cv11";-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app-layout{display:flex;height:100vh;width:100vw}.sidebar{width:250px;min-width:250px;background:var(--bg-surface);border-right:1px solid var(--border-subtle);display:flex;flex-direction:column}.sidebar-header{padding:18px;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;gap:12px}.sidebar-logo{width:38px;height:38px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--accent),#4f46e5);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;color:#fff;flex-shrink:0;box-shadow:0 2px 8px var(--accent-glow)}.sidebar-brand{display:flex;flex-direction:column}.sidebar-brand-name{font-size:15px;font-weight:700;color:var(--text-primary);letter-spacing:-.3px}.sidebar-brand-sub{font-size:10px;color:var(--text-muted);letter-spacing:1.2px;text-transform:uppercase;font-weight:600;margin-top:1px}.nav-section{padding:10px 8px;flex:1;overflow-y:auto}.nav-section-label{font-size:10px;text-transform:uppercase;letter-spacing:1.5px;color:var(--text-muted);padding:14px 12px 8px;font-weight:600}.nav-item{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:var(--radius-md);cursor:pointer;font-size:13px;color:var(--text-secondary);transition:var(--transition);margin-bottom:2px;border:1px solid transparent;font-weight:500}.nav-item:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-item.active{background:var(--accent-dim);border-color:#6366f140;color:#fff;font-weight:600}.nav-item.active .nav-item-icon{color:var(--accent-hover)}.nav-item-icon{font-size:15px;width:20px;text-align:center;flex-shrink:0}.nav-item-badge{margin-left:auto;background:var(--accent);color:#fff;font-size:10px;font-weight:700;padding:2px 7px;border-radius:10px}.sidebar-footer{padding:14px 18px;border-top:1px solid var(--border-subtle);font-size:11px;color:var(--text-muted);font-weight:500}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--bg-base)}.topbar{padding:14px 28px;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between;background:var(--bg-surface);min-height:60px}.topbar-title{font-size:18px;font-weight:700;color:var(--text-primary);letter-spacing:-.3px}.topbar-subtitle{font-size:12px;color:var(--text-secondary);margin-top:2px}.topbar-right{display:flex;align-items:center;gap:14px}.status-pill{display:flex;align-items:center;gap:6px;padding:5px 13px;border-radius:20px;font-size:12px;font-weight:600;background:#10b9811a;color:var(--success);border:1px solid rgba(16,185,129,.2)}.status-pill.offline{background:#ef44441a;color:var(--danger);border-color:#ef444433}.content-area{flex:1;overflow-y:auto;padding:28px}.card{background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-lg);padding:20px;transition:var(--transition)}.card:hover{border-color:var(--border-strong)}.card-title{font-size:13px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;color:var(--text-primary);letter-spacing:-.2px}.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.kpi-card{background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-lg);padding:20px;position:relative;overflow:hidden;transition:var(--transition)}.kpi-card:hover{transform:translateY(-2px);border-color:var(--border-strong);box-shadow:var(--shadow-md)}.kpi-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;border-radius:var(--radius-lg) var(--radius-lg) 0 0}.kpi-card.purple:before{background:var(--accent)}.kpi-card.gold:before{background:var(--warning)}.kpi-card.green:before{background:var(--success)}.kpi-card.blue:before{background:var(--info)}.kpi-card.red:before{background:var(--danger)}.kpi-label{font-size:11px;color:var(--text-secondary);margin-bottom:8px;font-weight:600;text-transform:uppercase;letter-spacing:.8px}.kpi-value{font-size:30px;font-weight:800;color:var(--text-primary);letter-spacing:-1px;line-height:1}.kpi-trend{font-size:11px;margin-top:8px;display:flex;align-items:center;gap:4px;font-weight:500}.kpi-trend.up{color:var(--success)}.kpi-trend.down{color:var(--danger)}.kpi-icon{position:absolute;top:18px;right:18px;font-size:24px;opacity:.15}.data-table{width:100%;border-collapse:collapse;font-size:13px}.data-table th{text-align:left;padding:10px 14px;font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);border-bottom:1px solid var(--border-default);font-weight:600}.data-table td{padding:12px 14px;border-bottom:1px solid var(--border-subtle);color:var(--text-primary)}.data-table tr:hover td{background:var(--bg-hover)}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600;letter-spacing:.2px}.badge-new{background:#3b82f61f;color:#60a5fa;border:1px solid rgba(59,130,246,.25)}.badge-contacted{background:#6366f11f;color:#818cf8;border:1px solid rgba(99,102,241,.25)}.badge-interested{background:#f59e0b1f;color:#fbbf24;border:1px solid rgba(245,158,11,.25)}.badge-trial{background:#10b9811f;color:#34d399;border:1px solid rgba(16,185,129,.25)}.badge-enrolled{background:#10b9812e;color:#10b981;border:1px solid rgba(16,185,129,.3)}.badge-lost{background:#ef44441f;color:#f87171;border:1px solid rgba(239,68,68,.25)}.badge-hot{background:#ef44441a;color:#f87171;border:1px solid rgba(239,68,68,.15)}.badge-warm{background:#f59e0b1a;color:#fbbf24;border:1px solid rgba(245,158,11,.15)}.badge-cold{background:#3b82f61a;color:#60a5fa;border:1px solid rgba(59,130,246,.15)}.kanban-board{display:flex;gap:12px;overflow-x:auto;padding-bottom:12px;min-height:500px}.kanban-column{min-width:250px;background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-lg);display:flex;flex-direction:column}.kanban-column-header{padding:14px 16px;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between}.kanban-column-title{font-size:13px;font-weight:700;color:var(--text-primary)}.kanban-column-count{background:var(--accent-dim);color:var(--accent-hover);font-size:11px;font-weight:700;padding:2px 8px;border-radius:10px}.kanban-cards{padding:10px;flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:8px}.kanban-card{background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-md);padding:14px;cursor:pointer;transition:var(--transition)}.kanban-card:hover{border-color:#6366f14d;box-shadow:var(--shadow-sm)}.kanban-card-name{font-size:13px;font-weight:700;margin-bottom:4px;color:var(--text-primary)}.kanban-card-phone{font-size:11px;color:var(--text-secondary);margin-bottom:8px}.kanban-card-meta{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.chart-bar{display:flex;align-items:flex-end;gap:10px;height:180px;padding:12px 0}.chart-bar-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px}.chart-bar-fill{width:100%;max-width:36px;border-radius:4px 4px 0 0;background:var(--accent);transition:height .5s 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var(--border-subtle);transition:var(--transition)}.activity-item:hover{border-color:var(--border-default)}.activity-icon{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}.activity-icon.message{background:#10b9811a}.activity-icon.lead{background:#f59e0b1a}.activity-icon.trial{background:#6366f11a}.activity-icon.enroll{background:#10b9811f}.activity-content{flex:1;font-size:13px;color:var(--text-primary);line-height:1.4}.activity-time{font-size:11px;color:var(--text-muted);margin-top:3px}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}.calendar-header-cell{text-align:center;font-size:11px;font-weight:700;color:var(--text-muted);padding:10px 0;text-transform:uppercase;letter-spacing:1px}.calendar-cell{aspect-ratio:1;border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:8px;font-size:12px;display:flex;flex-direction:column;gap:3px;cursor:pointer;transition:var(--transition);background:var(--bg-surface)}.calendar-cell:hover{background:var(--bg-hover);border-color:var(--border-default)}.calendar-cell.empty{opacity:.15;background:transparent}.calendar-cell.today{border-color:var(--accent);background:var(--accent-dim)}.calendar-day{font-weight:700;color:var(--text-primary)}.calendar-event{font-size:10px;padding:2px 6px;border-radius:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:600}.cal-event-trial{background:#10b98126;color:#34d399}.cal-event-class{background:#6366f126;color:#818cf8}.cal-event-meeting{background:#f59e0b26;color:#fbbf24}.cal-event-followup{background:#3b82f626;color:#60a5fa}.template-card{background:var(--bg-surface);border:1px solid 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var(--border-subtle)}.template-card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:12px}.login-container{display:flex;align-items:center;justify-content:center;height:100vh;background:var(--bg-base);position:relative}.login-container:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 60% 50% at 30% 20%,var(--accent-dim),transparent),radial-gradient(ellipse 50% 40% at 80% 80%,rgba(245,158,11,.05),transparent);pointer-events:none}.login-box{width:420px;max-width:90vw;background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-xl);padding:40px;box-shadow:var(--shadow-lg);position:relative;z-index:1}.login-logo{width:60px;height:60px;border-radius:var(--radius-lg);background:linear-gradient(135deg,var(--accent),#4f46e5);display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:800;color:#fff;margin:0 auto 18px;box-shadow:0 4px 16px 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