:root{--primary-color: #4F46E5;--primary-hover: #4338CA;--secondary-color: #10B981;--danger-color: #EF4444;--text-primary: #1F2937;--text-secondary: #6B7280;--bg-gray: #F9FAFB;--border-color: #E5E7EB;--shadow: 0 1px 3px 0 rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Helvetica Neue,Arial,Hiragino Kaku Gothic ProN,Hiragino Sans,Meiryo,sans-serif;line-height:1.6;color:var(--text-primary);background-color:var(--bg-gray)}.container{max-width:1200px;margin:0 auto;padding:0 20px}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.auth-card{background:white;border-radius:12px;box-shadow:var(--shadow-lg);padding:40px;width:100%;max-width:450px}.header{background:white;border-bottom:1px solid var(--border-color);padding:16px 0;box-shadow:var(--shadow)}.header-content{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}.logo{font-size:24px;font-weight:700;color:var(--primary-color);text-decoration:none}.nav-links{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.nav-link{color:var(--text-secondary);text-decoration:none;font-size:16px;transition:color .3s;white-space:nowrap}.nav-link:hover{color:var(--primary-color)}.nav-text{color:var(--text-secondary);font-size:16px;white-space:nowrap}.nav-link-btn{background:none;border:none;color:var(--text-secondary);cursor:pointer;font-size:16px;text-decoration:none;transition:color .3s;white-space:nowrap;padding:0}.nav-link-btn:hover{color:var(--primary-color)}.btn-download-header{background:#EF4444;color:#fff;border:none;padding:8px 16px;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:background .3s;white-space:nowrap}.btn-download-header:hover{background:#DC2626}.form-group{margin-bottom:20px}.form-label{display:block;margin-bottom:8px;font-weight:500;color:var(--text-primary)}.form-input{width:100%;padding:12px 16px;border:1px solid var(--border-color);border-radius:8px;font-size:16px;transition:border-color .3s}.form-input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #4f46e51a}.form-error{color:var(--danger-color);font-size:14px;margin-top:4px}.form-success{background:#D1FAE5;color:#065f46;padding:16px;border-radius:8px;margin-bottom:20px}.btn{display:inline-block;padding:12px 24px;border:none;border-radius:8px;font-size:16px;font-weight:500;cursor:pointer;transition:all .3s;text-decoration:none;text-align:center}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn-primary:disabled{background:#9CA3AF;cursor:not-allowed;transform:none}.btn-secondary{background:white;color:var(--primary-color);border:1px solid var(--primary-color)}.btn-secondary:hover{background:var(--bg-gray)}.btn-danger{background:var(--danger-color);color:#fff}.btn-danger:hover{background:#DC2626;transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn-danger:disabled{background:#9CA3AF;cursor:not-allowed;transform:none}.btn-full{width:100%}.card{background:white;border-radius:12px;box-shadow:var(--shadow);padding:24px;margin-bottom:20px}.card-header{font-size:20px;font-weight:700;margin-bottom:16px;color:var(--text-primary)}.card-body{color:var(--text-secondary)}.dashboard{padding:40px 0}.dashboard-header{margin-bottom:40px}.dashboard-title{font-size:32px;font-weight:700;margin-bottom:8px}.dashboard-subtitle{color:var(--text-secondary);font-size:18px}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}.stat-card{background:white;border-radius:12px;box-shadow:var(--shadow);padding:24px;display:flex;justify-content:space-between;align-items:center}.stat-info h3{font-size:14px;color:var(--text-secondary);margin-bottom:8px}.stat-info p{font-size:32px;font-weight:700;color:var(--text-primary)}.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px}.stat-icon.primary{background:rgba(79,70,229,.1);color:var(--primary-color)}.stat-icon.success{background:rgba(16,185,129,.1);color:var(--secondary-color)}.text-center{text-align:center}.mt-20{margin-top:20px}.mb-20{margin-bottom:20px}.hidden{display:none}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:white;border-radius:12px;padding:32px;width:90%;max-width:500px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.store-card{background:white;border:1px solid var(--border-color);border-radius:8px;padding:16px;margin-bottom:12px;display:flex;justify-content:space-between;align-items:center}.store-info h4{margin:0 0 4px;color:var(--text-primary)}.store-info p{margin:0;color:var(--text-secondary);font-size:14px}.store-actions{display:flex;gap:8px}.store-actions button{padding:6px 12px;font-size:12px}@media (max-width: 768px){.auth-card{padding:24px}.dashboard-title{font-size:24px}.dashboard-grid{grid-template-columns:1fr}.modal-content{padding:24px;margin:20px}.store-card{flex-direction:column;align-items:flex-start;gap:12px}.store-actions{width:100%;justify-content:flex-end}}