*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--bg-primary:#0a0a0a;--bg-secondary:#111;--bg-card:#1a1a1a;--bg-card-hover:#222;--border-color:#2a2a2a;--text-primary:#fff;--text-secondary:#a0a0a0;--text-muted:#666;--purple:#7c3aed;--purple-light:#a855f7;--gradient-primary:linear-gradient(135deg,#7c3aed,#a855f7);--gradient-text:linear-gradient(135deg,#a855f7,#7c3aed);--green:#10b981;--red:#ef4444;--orange:#f59e0b;--blue:#3b82f6;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--transition:all 0.3s ease}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}ul{list-style:none}img{max-width:100%}
.gradient-text{background:var(--gradient-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--radius-md);font-weight:600;font-size:0.95rem;cursor:pointer;transition:var(--transition);border:none;white-space:nowrap;font-family:inherit}
.btn-sm{padding:8px 16px;font-size:0.85rem}.btn-block{display:flex;width:100%}
.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:0 4px 20px rgba(124,58,237,0.3)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 30px rgba(124,58,237,0.5)}
.btn-outline{background:transparent;color:var(--text-primary);border:1.5px solid var(--border-color)}.btn-outline:hover{border-color:var(--purple);background:rgba(124,58,237,0.05)}
.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{color:var(--text-primary)}
.btn:disabled{opacity:0.5;cursor:not-allowed;transform:none!important}

/* Auth */
.auth-container{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px}
.auth-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:40px 32px;width:100%;max-width:420px}
.auth-logo{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:32px}
.logo-icon{width:40px;height:40px;background:var(--gradient-primary);border-radius:10px;display:flex;align-items:center;justify-content:center;box-shadow:0 0 20px rgba(124,58,237,0.3)}.logo-icon svg{width:20px;height:20px;fill:#fff}.logo-icon-sm{width:30px;height:30px;border-radius:8px}.logo-icon-sm svg{width:15px;height:15px}
.logo-text{font-size:22px;font-weight:800;letter-spacing:1.5px}
.auth-tabs{display:flex;margin-bottom:24px;background:var(--bg-secondary);border-radius:var(--radius-md);padding:4px}
.auth-tab{flex:1;padding:10px;background:none;border:none;color:var(--text-muted);font-weight:600;font-size:0.9rem;cursor:pointer;border-radius:var(--radius-sm);transition:var(--transition);font-family:inherit}.auth-tab.active{background:var(--bg-card);color:var(--text-primary)}
.auth-form{display:none}.auth-form.active{display:block}
.form-group{margin-bottom:16px}.form-group label{display:block;font-size:0.85rem;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-group input{width:100%;padding:12px 16px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-size:0.95rem;font-family:inherit;transition:var(--transition)}.form-group input:focus{outline:none;border-color:var(--purple)}.form-group input:disabled{opacity:0.5}
.auth-error{color:var(--red);font-size:0.85rem;margin-bottom:12px;min-height:20px}.auth-footer{text-align:center;margin-top:20px;font-size:0.8rem;color:var(--text-muted)}

/* Dashboard Layout */
.dashboard-container{display:flex;min-height:100vh}
.sidebar{width:260px;background:var(--bg-secondary);border-right:1px solid var(--border-color);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;transition:var(--transition)}
.sidebar-brand{padding:20px 24px;border-bottom:1px solid var(--border-color)}
.sidebar-nav{flex:1;padding:16px 12px;display:flex;flex-direction:column;gap:4px}
.nav-item{display:flex;align-items:center;gap:12px;padding:10px 16px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:0.9rem;font-weight:500;transition:var(--transition)}.nav-item:hover{background:var(--bg-card);color:var(--text-primary)}.nav-item.active{background:rgba(124,58,237,0.1);color:var(--purple-light)}.nav-item i{width:20px;text-align:center}
.sidebar-footer{padding:16px 20px;border-top:1px solid var(--border-color)}
.main-content{flex:1;margin-left:260px;min-height:100vh;transition:var(--transition)}
.main-content.expanded{margin-left:0}

/* Topbar */
.topbar{display:flex;align-items:center;justify-content:space-between;padding:20px 32px;background:var(--bg-primary);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:50}.topbar-left{display:flex;align-items:center;gap:12px}.topbar-left h1{font-size:1.5rem;font-weight:700}.topbar-right{display:flex;align-items:center;gap:16px}
.sidebar-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:1.2rem;cursor:pointer;padding:4px}
.credits-badge{display:flex;align-items:center;gap:6px;background:rgba(245,158,11,0.1);border:1px solid rgba(245,158,11,0.3);border-radius:50px;padding:6px 14px;font-size:0.85rem;font-weight:600;color:var(--orange)}
.user-menu{display:flex;align-items:center;gap:10px;cursor:pointer}.user-avatar{width:36px;height:36px;background:var(--gradient-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.85rem;color:#fff}

/* Pages */
.page{display:none;padding:32px}.page.active{display:block}.page h2{font-size:1.5rem;font-weight:700;margin-bottom:24px}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:32px}
.stat-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:20px;display:flex;align-items:center;gap:14px}
.stat-icon{width:48px;height:48px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;flex-shrink:0}.stat-icon i{font-size:1.2rem}.stat-value{display:block;font-size:1.5rem;font-weight:800}.stat-label{font-size:0.8rem;color:var(--text-muted)}

/* Quick Actions */
.quick-actions h3{font-size:1.1rem;margin-bottom:16px}
.agents-quick-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}
.agent-quick-btn{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:16px;color:var(--text-primary);font-size:0.9rem;font-weight:600;cursor:pointer;transition:var(--transition);display:flex;align-items:center;gap:10px;font-family:inherit}.agent-quick-btn:hover{border-color:var(--purple);background:var(--bg-card-hover);transform:translateY(-2px)}

/* Agent Cards */
.agents-full-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.agent-full-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px;transition:var(--transition)}.agent-full-card:hover{border-color:var(--purple);transform:translateY(-2px)}.agent-full-card .agent-icon{width:48px;height:48px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;margin-bottom:12px}.agent-full-card .agent-icon i{color:#fff;font-size:1.2rem}.agent-full-card h3{font-size:1.1rem;margin-bottom:6px}.agent-full-card p{font-size:0.85rem;color:var(--text-secondary);margin-bottom:16px}

/* Tasks */
.tasks-list{display:flex;flex-direction:column;gap:8px}.task-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:14px 18px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;transition:var(--transition)}.task-item:hover{background:var(--bg-card-hover)}
.task-status{padding:4px 10px;border-radius:50px;font-size:0.75rem;font-weight:600;white-space:nowrap}.task-status.pending,.task-status.researching,.task-status.generating_options{background:rgba(245,158,11,0.1);color:var(--orange)}.task-status.building,.task-status.fixing,.task-status.extracting{background:rgba(59,130,246,0.1);color:var(--blue)}.task-status.completed{background:rgba(16,185,129,0.1);color:var(--green)}.task-status.failed{background:rgba(239,68,68,0.1);color:var(--red)}.empty-state{color:var(--text-muted);text-align:center;padding:40px;font-size:0.9rem}

/* Billing */
.pricing-inline{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.pricing-card-inline{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:28px 24px;text-align:center;transition:var(--transition)}.pricing-card-inline.featured{border-color:var(--purple);box-shadow:0 0 30px rgba(124,58,237,0.1)}.pricing-card-inline.current{border-color:var(--green)}.pricing-card-inline h3{font-size:1rem;margin-bottom:8px}.pricing-card-inline .price{font-size:2.5rem;font-weight:900;background:var(--gradient-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.pricing-card-inline .period{font-size:0.8rem;color:var(--text-muted);margin-bottom:16px}.pricing-card-inline ul{text-align:left;margin:16px 0;font-size:0.85rem;color:var(--text-secondary)}.pricing-card-inline ul li{padding:4px 0;display:flex;align-items:center;gap:8px}.pricing-card-inline ul li i{font-size:0.7rem}

/* Settings */
.settings-form{max-width:480px}

/* Modals */
.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.85);z-index:9999;display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn 0.2s ease}
.modal-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:32px;max-width:600px;width:100%;max-height:85vh;overflow-y:auto}.agent-modal-card{max-width:800px}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

/* Welcome Modal */
.welcome-agents{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:8px;margin-bottom:16px}
.welcome-agent-btn{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:12px;color:var(--text-primary);font-size:0.85rem;font-weight:600;cursor:pointer;transition:var(--transition);display:flex;align-items:center;gap:8px;font-family:inherit}.welcome-agent-btn:hover{border-color:var(--purple);background:var(--bg-card)}
.welcome-input-row{display:flex;gap:8px}.welcome-input-row input{flex:1;padding:12px 16px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-size:0.95rem;font-family:inherit}.welcome-input-row input:focus{outline:none;border-color:var(--purple)}

/* Options Grid (in agent modal) */
.options-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:16px 0}
.option-card{background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:var(--radius-md);padding:20px;cursor:pointer;transition:var(--transition)}.option-card:hover{border-color:var(--purple)}.option-card.selected{border-color:var(--purple);background:rgba(124,58,237,0.1)}
.option-card h3{color:var(--purple-light);margin-bottom:4px}

/* Progress */
.progress-container{margin:20px 0}.progress-bar{width:100%;height:8px;background:var(--bg-secondary);border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:var(--gradient-primary);border-radius:4px;transition:width 0.5s ease;width:0%}.progress-text{text-align:center;color:var(--text-muted);font-size:0.85rem;margin-top:8px}

/* Responsive */
@media(max-width:768px){
    .sidebar{left:-260px}.sidebar.open{left:0;box-shadow:4px 0 30px rgba(0,0,0,0.5)}.sidebar-toggle{display:block}.main-content{margin-left:0}
    .topbar{padding:16px;flex-wrap:wrap;gap:8px}.topbar-right{flex-wrap:wrap}
    .page{padding:16px}.stats-grid{grid-template-columns:1fr 1fr;gap:8px}
    .agents-quick-grid{grid-template-columns:repeat(auto-fit,minmax(100px,1fr))}
    .agents-full-grid{grid-template-columns:1fr}
    .pricing-inline{grid-template-columns:1fr}
    .welcome-agents{grid-template-columns:1fr 1fr}
}