:root{--color-primary: #6366F1;--color-primary-dark: #4F46E5;--color-surface: #FFFFFF;--color-surface-alt: #F9FAFB;--color-on-surface: #111827;--color-on-surface-muted: #6B7280;--color-border: #E5E7EB;--color-error: #EF4444;--color-success: #10B981;--color-warning: #F59E0B}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--color-on-surface);background:var(--color-surface);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--color-primary);text-decoration:none}.container{max-width:1200px;margin:0 auto;padding:0 16px}.card{background:#fff;border-radius:16px;box-shadow:0 1px 3px #00000014,0 1px 2px #0000000a;padding:20px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 20px;border-radius:10px;font-size:15px;font-weight:600;font-family:inherit;border:none;cursor:pointer;transition:all .15s ease;white-space:nowrap}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:#f3f4f6;color:var(--color-on-surface)}.btn-secondary:hover{background:#e5e7eb}.btn-ghost{background:transparent;color:var(--color-primary)}.btn-ghost:hover{background:#6366f114}.btn-danger{background:var(--color-error);color:#fff}.btn-sm{min-height:36px;padding:0 14px;font-size:13px}.btn-lg{min-height:56px;padding:0 28px;font-size:17px}.btn-full{width:100%}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.input-field{display:block;width:100%;min-height:48px;padding:0 14px;border:1.5px solid var(--color-border);border-radius:10px;font-size:16px;font-family:inherit;color:var(--color-on-surface);background:#fff;transition:border-color .15s ease;outline:none}.input-field:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #6366f11a}.input-field::placeholder{color:var(--color-on-surface-muted)}.input-label{display:block;font-size:14px;font-weight:500;color:var(--color-on-surface);margin-bottom:6px}.form-group{margin-bottom:16px}.badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:100px;font-size:12px;font-weight:600}.badge-green{background:#d1fae5;color:#065f46}.badge-yellow{background:#fef3c7;color:#92400e}.badge-red{background:#fee2e2;color:#991b1b}.badge-blue{background:#dbeafe;color:#1e40af}.badge-gray{background:#f3f4f6;color:#374151}.spinner{width:24px;height:24px;border:3px solid rgba(99,102,241,.2);border-top-color:var(--color-primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.spinner-lg{width:40px;height:40px;border-width:4px}.toast-container{position:fixed;top:16px;right:16px;z-index:9999;display:flex;flex-direction:column;gap:10px;max-width:360px}.toast{display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:12px;box-shadow:0 4px 20px #00000026;font-size:14px;font-weight:500;animation:slideIn .25s ease;cursor:pointer}@keyframes slideIn{0%{transform:translate(110%);opacity:0}to{transform:translate(0);opacity:1}}.toast-success{background:#065f46;color:#fff}.toast-error{background:#991b1b;color:#fff}.toast-info{background:#1e40af;color:#fff}.page-header{padding:24px 16px 16px;border-bottom:1px solid var(--color-border)}.page-title{font-size:22px;font-weight:700}.empty-state{text-align:center;padding:60px 20px}.empty-state-icon{font-size:48px;margin-bottom:16px}.empty-state-title{font-size:18px;font-weight:600;margin-bottom:8px}.empty-state-description{color:var(--color-on-surface-muted);margin-bottom:24px}.avatar{border-radius:50%;object-fit:cover;background:var(--color-primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0}.avatar-sm{width:32px;height:32px;font-size:12px}.avatar-md{width:44px;height:44px;font-size:16px}.avatar-lg{width:64px;height:64px;font-size:22px}.divider{border:none;border-top:1px solid var(--color-border);margin:16px 0}.bottom-nav{padding-bottom:env(safe-area-inset-bottom,0)}.pb-nav{padding-bottom:calc(76px + env(safe-area-inset-bottom,0))}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:3px}